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Metadata-Version: 1.1
Name: Flask
Version: 0.10.1
Summary: A microframework based on Werkzeug, Jinja2 and good intentions
Home-page: http://github.com/mitsuhiko/flask/
Author: Armin Ronacher
Author-email: armin.ronacher@active-4.com
License: BSD
Description:
Flask
-----
Flask is a microframework for Python based on Werkzeug, Jinja 2 and good
intentions. And before you ask: It's BSD licensed!
Flask is Fun
````````````
.. code:: python
from flask import Flask
app = Flask(__name__)
@app.route("/")
def hello():
return "Hello World!"
if __name__ == "__main__":
app.run()
And Easy to Setup
`````````````````
.. code:: bash
$ pip install Flask
$ python hello.py
* Running on http://localhost:5000/
Links
`````
* `website <http://flask.pocoo.org/>`_
* `documentation <http://flask.pocoo.org/docs/>`_
* `development version
<http://github.com/mitsuhiko/flask/zipball/master#egg=Flask-dev>`_
Platform: any
Classifier: Development Status :: 4 - Beta
Classifier: Environment :: Web Environment
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: BSD License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
Classifier: Topic :: Software Development :: Libraries :: Python Modules

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AUTHORS
CHANGES
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MANIFEST.in
Makefile
README
run-tests.py
setup.cfg
setup.py
Flask.egg-info/PKG-INFO
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Flask.egg-info/dependency_links.txt
Flask.egg-info/not-zip-safe
Flask.egg-info/requires.txt
Flask.egg-info/top_level.txt
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artwork/LICENSE
artwork/logo-full.svg
docs/.gitignore
docs/Makefile
docs/advanced_foreword.rst
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docs/becomingbig.rst
docs/blueprints.rst
docs/changelog.rst
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docs/flaskdocext.py
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docs/security.rst
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docs/signals.rst
docs/styleguide.rst
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docs/testing.rst
docs/unicode.rst
docs/upgrading.rst
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../flask/__init__.py
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./
dependency_links.txt
not-zip-safe
PKG-INFO
requires.txt
SOURCES.txt
top_level.txt

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Werkzeug>=0.7
Jinja2>=2.4
itsdangerous>=0.21

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flask

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Metadata-Version: 1.1
Name: Flask-Migrate
Version: 1.2.0
Summary: SQLAlchemy database migrations for Flask applications using Alembic
Home-page: http://github.com/miguelgrinberg/flask-migrate/
Author: Miguel Grinberg
Author-email: miguelgrinberg50@gmail.com
License: MIT
Description:
Flask-Migrate
--------------
SQLAlchemy database migrations for Flask applications using Alembic.
Platform: any
Classifier: Environment :: Web Environment
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
Classifier: Topic :: Software Development :: Libraries :: Python Modules

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LICENSE
MANIFEST.in
README.md
setup.cfg
setup.py
Flask_Migrate.egg-info/PKG-INFO
Flask_Migrate.egg-info/SOURCES.txt
Flask_Migrate.egg-info/dependency_links.txt
Flask_Migrate.egg-info/not-zip-safe
Flask_Migrate.egg-info/requires.txt
Flask_Migrate.egg-info/top_level.txt
flask_migrate/__init__.py
flask_migrate/templates/flask/README
flask_migrate/templates/flask/alembic.ini.mako
flask_migrate/templates/flask/env.py
flask_migrate/templates/flask/script.py.mako
tests/__init__.py
tests/__init__.pyc
tests/app.py
tests/app.pyc
tests/app2.py
tests/test_migrate.py
tests/test_migrate.pyc
tests/test_migrate_custom_directory.py

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../flask_migrate/__init__.py
../flask_migrate/templates/flask/README
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./
dependency_links.txt
not-zip-safe
PKG-INFO
requires.txt
SOURCES.txt
top_level.txt

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Flask>=0.9
Flask-SQLAlchemy>=1.0
alembic>=0.6
Flask-Script>=0.6

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flask_migrate

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Metadata-Version: 1.1
Name: Flask-SQLAlchemy
Version: 1.0
Summary: Adds SQLAlchemy support to your Flask application
Home-page: http://github.com/mitsuhiko/flask-sqlalchemy
Author: Armin Ronacher
Author-email: armin.ronacher@active-4.com
License: BSD
Description:
Flask-SQLAlchemy
----------------
Adds SQLAlchemy support to your Flask application.
Links
`````
* `documentation <http://packages.python.org/Flask-SQLAlchemy>`_
* `development version
<http://github.com/mitsuhiko/flask-sqlalchemy/zipball/master#egg=Flask-SQLAlchemy-dev>`_
Platform: any
Classifier: Environment :: Web Environment
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: BSD License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
Classifier: Topic :: Software Development :: Libraries :: Python Modules

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CHANGES
LICENSE
MANIFEST.in
README
setup.cfg
setup.py
test_sqlalchemy.py
Flask_SQLAlchemy.egg-info/PKG-INFO
Flask_SQLAlchemy.egg-info/SOURCES.txt
Flask_SQLAlchemy.egg-info/dependency_links.txt
Flask_SQLAlchemy.egg-info/not-zip-safe
Flask_SQLAlchemy.egg-info/requires.txt
Flask_SQLAlchemy.egg-info/top_level.txt
docs/Makefile
docs/api.rst
docs/binds.rst
docs/changelog.rst
docs/conf.py
docs/config.rst
docs/contents.rst.inc
docs/contexts.rst
docs/flaskstyle.sty
docs/index.rst
docs/logo.pdf
docs/make.bat
docs/models.rst
docs/queries.rst
docs/quickstart.rst
docs/signals.rst
docs/_static/flask-sqlalchemy-small.png
docs/_static/flask-sqlalchemy.png
docs/_templates/sidebarintro.html
docs/_templates/sidebarlogo.html
flask_sqlalchemy/__init__.py
flask_sqlalchemy/_compat.py

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../flask_sqlalchemy/__init__.py
../flask_sqlalchemy/_compat.py
../flask_sqlalchemy/__init__.pyc
../flask_sqlalchemy/_compat.pyc
./
dependency_links.txt
not-zip-safe
PKG-INFO
requires.txt
SOURCES.txt
top_level.txt

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setuptools
Flask>=0.10
SQLAlchemy

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flask_sqlalchemy

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Metadata-Version: 1.1
Name: Flask-Script
Version: 2.0.3
Summary: Scripting support for Flask
Home-page: http://github.com/smurfix/flask-script
Author: Matthias Urlichs
Author-email: matthias@urlichs.de
License: BSD
Download-URL: https://github.com/smurfix/flask-script/tarball/v2.0.3
Description:
Flask-Script
--------------
Flask support for writing external scripts.
Links
`````
* `documentation <http://flask-script.readthedocs.org>`_
Platform: any
Classifier: Development Status :: 5 - Production/Stable
Classifier: Environment :: Web Environment
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: BSD License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.3
Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
Classifier: Topic :: Software Development :: Libraries :: Python Modules

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LICENSE
MANIFEST.in
README.rst
setup.cfg
setup.py
tests.py
Flask_Script.egg-info/PKG-INFO
Flask_Script.egg-info/SOURCES.txt
Flask_Script.egg-info/dependency_links.txt
Flask_Script.egg-info/not-zip-safe
Flask_Script.egg-info/requires.txt
Flask_Script.egg-info/top_level.txt
docs/Makefile
docs/conf.py
docs/index.rst
docs/make.bat
docs/_static/flask-script.png
docs/_static/index.html
docs/_themes/README
docs/_themes/flask_theme_support.py
docs/_themes/flask/theme.conf
docs/_themes/flask/static/flasky.css_t
docs/_themes/flask_small/layout.html
docs/_themes/flask_small/theme.conf
docs/_themes/flask_small/static/flasky.css_t
flask_script/__init__.py
flask_script/_compat.py
flask_script/cli.py
flask_script/commands.py

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../flask_script/__init__.py
../flask_script/_compat.py
../flask_script/cli.py
../flask_script/commands.py
../flask_script/__init__.pyc
../flask_script/_compat.pyc
../flask_script/cli.pyc
../flask_script/commands.pyc
./
dependency_links.txt
not-zip-safe
PKG-INFO
requires.txt
SOURCES.txt
top_level.txt

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Flask

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flask_script

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Metadata-Version: 1.1
Name: Jinja2
Version: 2.7.2
Summary: A small but fast and easy to use stand-alone template engine written in pure python.
Home-page: http://jinja.pocoo.org/
Author: Armin Ronacher
Author-email: armin.ronacher@active-4.com
License: BSD
Description:
Jinja2
~~~~~~
Jinja2 is a template engine written in pure Python. It provides a
`Django`_ inspired non-XML syntax but supports inline expressions and
an optional `sandboxed`_ environment.
Nutshell
--------
Here a small example of a Jinja template::
{% extends 'base.html' %}
{% block title %}Memberlist{% endblock %}
{% block content %}
<ul>
{% for user in users %}
<li><a href="{{ user.url }}">{{ user.username }}</a></li>
{% endfor %}
</ul>
{% endblock %}
Philosophy
----------
Application logic is for the controller but don't try to make the life
for the template designer too hard by giving him too few functionality.
For more informations visit the new `Jinja2 webpage`_ and `documentation`_.
.. _sandboxed: http://en.wikipedia.org/wiki/Sandbox_(computer_security)
.. _Django: http://www.djangoproject.com/
.. _Jinja2 webpage: http://jinja.pocoo.org/
.. _documentation: http://jinja.pocoo.org/2/documentation/
Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Environment :: Web Environment
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: BSD License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Topic :: Text Processing :: Markup :: HTML

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AUTHORS
CHANGES
LICENSE
MANIFEST.in
Makefile
README.rst
run-tests.py
setup.cfg
setup.py
Jinja2.egg-info/PKG-INFO
Jinja2.egg-info/SOURCES.txt
Jinja2.egg-info/dependency_links.txt
Jinja2.egg-info/entry_points.txt
Jinja2.egg-info/not-zip-safe
Jinja2.egg-info/requires.txt
Jinja2.egg-info/top_level.txt
artwork/jinjalogo.svg
docs/Makefile
docs/api.rst
docs/cache_extension.py
docs/changelog.rst
docs/conf.py
docs/contents.rst.inc
docs/extensions.rst
docs/faq.rst
docs/index.rst
docs/integration.rst
docs/intro.rst
docs/jinjaext.py
docs/jinjastyle.sty
docs/latexindex.rst
docs/logo.pdf
docs/sandbox.rst
docs/switching.rst
docs/templates.rst
docs/tricks.rst
docs/_static/.ignore
docs/_static/jinja-small.png
docs/_templates/sidebarintro.html
docs/_templates/sidebarlogo.html
docs/_themes/LICENSE
docs/_themes/README
docs/_themes/jinja/layout.html
docs/_themes/jinja/relations.html
docs/_themes/jinja/theme.conf
docs/_themes/jinja/static/jinja.css_t
examples/bench.py
examples/profile.py
examples/basic/cycle.py
examples/basic/debugger.py
examples/basic/inheritance.py
examples/basic/test.py
examples/basic/test_filter_and_linestatements.py
examples/basic/test_loop_filter.py
examples/basic/translate.py
examples/basic/templates/broken.html
examples/basic/templates/subbroken.html
examples/rwbench/djangoext.py
examples/rwbench/rwbench.py
examples/rwbench/django/_form.html
examples/rwbench/django/_input_field.html
examples/rwbench/django/_textarea.html
examples/rwbench/django/index.html
examples/rwbench/django/layout.html
examples/rwbench/genshi/helpers.html
examples/rwbench/genshi/index.html
examples/rwbench/genshi/layout.html
examples/rwbench/jinja/helpers.html
examples/rwbench/jinja/index.html
examples/rwbench/jinja/layout.html
examples/rwbench/mako/helpers.html
examples/rwbench/mako/index.html
examples/rwbench/mako/layout.html
ext/djangojinja2.py
ext/inlinegettext.py
ext/jinja.el
ext/Vim/jinja.vim
ext/django2jinja/django2jinja.py
ext/django2jinja/example.py
ext/django2jinja/templates/index.html
ext/django2jinja/templates/layout.html
ext/django2jinja/templates/subtemplate.html
jinja2/__init__.py
jinja2/_compat.py
jinja2/_stringdefs.py
jinja2/bccache.py
jinja2/compiler.py
jinja2/constants.py
jinja2/debug.py
jinja2/defaults.py
jinja2/environment.py
jinja2/exceptions.py
jinja2/ext.py
jinja2/filters.py
jinja2/lexer.py
jinja2/loaders.py
jinja2/meta.py
jinja2/nodes.py
jinja2/optimizer.py
jinja2/parser.py
jinja2/runtime.py
jinja2/sandbox.py
jinja2/tests.py
jinja2/utils.py
jinja2/visitor.py
jinja2/testsuite/__init__.py
jinja2/testsuite/api.py
jinja2/testsuite/bytecode_cache.py
jinja2/testsuite/core_tags.py
jinja2/testsuite/debug.py
jinja2/testsuite/doctests.py
jinja2/testsuite/ext.py
jinja2/testsuite/filters.py
jinja2/testsuite/imports.py
jinja2/testsuite/inheritance.py
jinja2/testsuite/lexnparse.py
jinja2/testsuite/loader.py
jinja2/testsuite/regression.py
jinja2/testsuite/security.py
jinja2/testsuite/tests.py
jinja2/testsuite/utils.py
jinja2/testsuite/res/__init__.py
jinja2/testsuite/res/templates/broken.html
jinja2/testsuite/res/templates/syntaxerror.html
jinja2/testsuite/res/templates/test.html
jinja2/testsuite/res/templates/foo/test.html

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[babel.extractors]
jinja2 = jinja2.ext:babel_extract[i18n]

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../jinja2/__init__.py
../jinja2/_compat.py
../jinja2/_stringdefs.py
../jinja2/bccache.py
../jinja2/compiler.py
../jinja2/constants.py
../jinja2/debug.py
../jinja2/defaults.py
../jinja2/environment.py
../jinja2/exceptions.py
../jinja2/ext.py
../jinja2/filters.py
../jinja2/lexer.py
../jinja2/loaders.py
../jinja2/meta.py
../jinja2/nodes.py
../jinja2/optimizer.py
../jinja2/parser.py
../jinja2/runtime.py
../jinja2/sandbox.py
../jinja2/tests.py
../jinja2/utils.py
../jinja2/visitor.py
../jinja2/testsuite/__init__.py
../jinja2/testsuite/api.py
../jinja2/testsuite/bytecode_cache.py
../jinja2/testsuite/core_tags.py
../jinja2/testsuite/debug.py
../jinja2/testsuite/doctests.py
../jinja2/testsuite/ext.py
../jinja2/testsuite/filters.py
../jinja2/testsuite/imports.py
../jinja2/testsuite/inheritance.py
../jinja2/testsuite/lexnparse.py
../jinja2/testsuite/loader.py
../jinja2/testsuite/regression.py
../jinja2/testsuite/security.py
../jinja2/testsuite/tests.py
../jinja2/testsuite/utils.py
../jinja2/testsuite/res/__init__.py
../jinja2/testsuite/res/templates/broken.html
../jinja2/testsuite/res/templates/syntaxerror.html
../jinja2/testsuite/res/templates/test.html
../jinja2/testsuite/res/templates/foo/test.html
../jinja2/__init__.pyc
../jinja2/_compat.pyc
../jinja2/_stringdefs.pyc
../jinja2/bccache.pyc
../jinja2/compiler.pyc
../jinja2/constants.pyc
../jinja2/debug.pyc
../jinja2/defaults.pyc
../jinja2/environment.pyc
../jinja2/exceptions.pyc
../jinja2/ext.pyc
../jinja2/filters.pyc
../jinja2/lexer.pyc
../jinja2/loaders.pyc
../jinja2/meta.pyc
../jinja2/nodes.pyc
../jinja2/optimizer.pyc
../jinja2/parser.pyc
../jinja2/runtime.pyc
../jinja2/sandbox.pyc
../jinja2/tests.pyc
../jinja2/utils.pyc
../jinja2/visitor.pyc
../jinja2/testsuite/__init__.pyc
../jinja2/testsuite/api.pyc
../jinja2/testsuite/bytecode_cache.pyc
../jinja2/testsuite/core_tags.pyc
../jinja2/testsuite/debug.pyc
../jinja2/testsuite/doctests.pyc
../jinja2/testsuite/ext.pyc
../jinja2/testsuite/filters.pyc
../jinja2/testsuite/imports.pyc
../jinja2/testsuite/inheritance.pyc
../jinja2/testsuite/lexnparse.pyc
../jinja2/testsuite/loader.pyc
../jinja2/testsuite/regression.pyc
../jinja2/testsuite/security.pyc
../jinja2/testsuite/tests.pyc
../jinja2/testsuite/utils.pyc
../jinja2/testsuite/res/__init__.pyc
./
dependency_links.txt
entry_points.txt
not-zip-safe
PKG-INFO
requires.txt
SOURCES.txt
top_level.txt

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markupsafe
[i18n]
Babel>=0.8

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jinja2

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Metadata-Version: 1.1
Name: Mako
Version: 0.9.1
Summary: A super-fast templating language that borrows the best ideas from the existing templating languages.
Home-page: http://www.makotemplates.org/
Author: Mike Bayer
Author-email: mike@zzzcomputing.com
License: MIT
Description: =========================
Mako Templates for Python
=========================
Mako is a template library written in Python. It provides a familiar, non-XML
syntax which compiles into Python modules for maximum performance. Mako's
syntax and API borrows from the best ideas of many others, including Django
templates, Cheetah, Myghty, and Genshi. Conceptually, Mako is an embedded
Python (i.e. Python Server Page) language, which refines the familiar ideas
of componentized layout and inheritance to produce one of the most
straightforward and flexible models available, while also maintaining close
ties to Python calling and scoping semantics.
Nutshell
========
::
<%inherit file="base.html"/>
<%
rows = [[v for v in range(0,10)] for row in range(0,10)]
%>
<table>
% for row in rows:
${makerow(row)}
% endfor
</table>
<%def name="makerow(row)">
<tr>
% for name in row:
<td>${name}</td>\
% endfor
</tr>
</%def>
Philosophy
===========
Python is a great scripting language. Don't reinvent the wheel...your templates can handle it !
Documentation
==============
See documentation for Mako at http://www.makotemplates.org/docs/
License
========
Mako is licensed under an MIT-style license (see LICENSE).
Other incorporated projects may be licensed under different licenses.
All licenses allow for non-commercial and commercial use.
Keywords: templates
Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Environment :: Web Environment
Classifier: Intended Audience :: Developers
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content

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CHANGES
LICENSE
MANIFEST.in
README.rst
distribute_setup.py
setup.cfg
setup.py
Mako.egg-info/PKG-INFO
Mako.egg-info/SOURCES.txt
Mako.egg-info/dependency_links.txt
Mako.egg-info/entry_points.txt
Mako.egg-info/not-zip-safe
Mako.egg-info/requires.txt
Mako.egg-info/top_level.txt
doc/caching.html
doc/defs.html
doc/filtering.html
doc/genindex.html
doc/index.html
doc/inheritance.html
doc/namespaces.html
doc/runtime.html
doc/search.html
doc/searchindex.js
doc/syntax.html
doc/unicode.html
doc/usage.html
doc/_sources/caching.txt
doc/_sources/defs.txt
doc/_sources/filtering.txt
doc/_sources/index.txt
doc/_sources/inheritance.txt
doc/_sources/namespaces.txt
doc/_sources/runtime.txt
doc/_sources/syntax.txt
doc/_sources/unicode.txt
doc/_sources/usage.txt
doc/_static/basic.css
doc/_static/comment-bright.png
doc/_static/comment-close.png
doc/_static/comment.png
doc/_static/default.css
doc/_static/docs.css
doc/_static/doctools.js
doc/_static/down-pressed.png
doc/_static/down.png
doc/_static/file.png
doc/_static/jquery.js
doc/_static/makoLogo.png
doc/_static/minus.png
doc/_static/plus.png
doc/_static/pygments.css
doc/_static/searchtools.js
doc/_static/sidebar.js
doc/_static/site.css
doc/_static/underscore.js
doc/_static/up-pressed.png
doc/_static/up.png
doc/_static/websupport.js
doc/build/Makefile
doc/build/caching.rst
doc/build/conf.py
doc/build/defs.rst
doc/build/filtering.rst
doc/build/index.rst
doc/build/inheritance.rst
doc/build/namespaces.rst
doc/build/runtime.rst
doc/build/syntax.rst
doc/build/unicode.rst
doc/build/usage.rst
doc/build/builder/__init__.py
doc/build/builder/builders.py
doc/build/builder/util.py
doc/build/static/docs.css
doc/build/static/makoLogo.png
doc/build/static/site.css
doc/build/templates/base.mako
doc/build/templates/genindex.mako
doc/build/templates/layout.mako
doc/build/templates/page.mako
doc/build/templates/rtd_layout.mako
doc/build/templates/search.mako
examples/bench/basic.py
examples/bench/cheetah/footer.tmpl
examples/bench/cheetah/header.tmpl
examples/bench/cheetah/template.tmpl
examples/bench/django/templatetags/__init__.py
examples/bench/django/templatetags/bench.py
examples/bench/kid/base.kid
examples/bench/kid/template.kid
examples/bench/myghty/base.myt
examples/bench/myghty/template.myt
examples/wsgi/run_wsgi.py
mako/__init__.py
mako/_ast_util.py
mako/ast.py
mako/cache.py
mako/codegen.py
mako/compat.py
mako/exceptions.py
mako/filters.py
mako/lexer.py
mako/lookup.py
mako/parsetree.py
mako/pygen.py
mako/pyparser.py
mako/runtime.py
mako/template.py
mako/util.py
mako/ext/__init__.py
mako/ext/autohandler.py
mako/ext/babelplugin.py
mako/ext/beaker_cache.py
mako/ext/preprocessors.py
mako/ext/pygmentplugin.py
mako/ext/turbogears.py
scripts/mako-render
test/__init__.py
test/sample_module_namespace.py
test/test_ast.py
test/test_babelplugin.py
test/test_block.py
test/test_cache.py
test/test_call.py
test/test_decorators.py
test/test_def.py
test/test_exceptions.py
test/test_filters.py
test/test_inheritance.py
test/test_lexer.py
test/test_lookup.py
test/test_loop.py
test/test_lru.py
test/test_namespace.py
test/test_pygen.py
test/test_runtime.py
test/test_template.py
test/test_tgplugin.py
test/test_util.py
test/util.py
test/foo/__init__.py
test/foo/test_ns.py
test/templates/badbom.html
test/templates/bom.html
test/templates/bommagic.html
test/templates/chs_unicode.html
test/templates/chs_unicode_py3k.html
test/templates/chs_utf8.html
test/templates/crlf.html
test/templates/gettext.mako
test/templates/index.html
test/templates/internationalization.html
test/templates/modtest.html
test/templates/read_unicode.html
test/templates/read_unicode_py3k.html
test/templates/runtimeerr.html
test/templates/runtimeerr_py3k.html
test/templates/unicode.html
test/templates/unicode_arguments.html
test/templates/unicode_arguments_py3k.html
test/templates/unicode_code.html
test/templates/unicode_code_py3k.html
test/templates/unicode_expr.html
test/templates/unicode_expr_py3k.html
test/templates/unicode_runtime_error.html
test/templates/unicode_syntax_error.html
test/templates/foo/modtest.html.py
test/templates/othersubdir/foo.html
test/templates/subdir/incl.html
test/templates/subdir/index.html
test/templates/subdir/modtest.html
test/templates/subdir/foo/modtest.html.py

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[python.templating.engines]
mako = mako.ext.turbogears:TGPlugin
[pygments.lexers]
mako = mako.ext.pygmentplugin:MakoLexer
html+mako = mako.ext.pygmentplugin:MakoHtmlLexer
xml+mako = mako.ext.pygmentplugin:MakoXmlLexer
js+mako = mako.ext.pygmentplugin:MakoJavascriptLexer
css+mako = mako.ext.pygmentplugin:MakoCssLexer
[babel.extractors]
mako = mako.ext.babelplugin:extract

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../mako/__init__.py
../mako/_ast_util.py
../mako/ast.py
../mako/cache.py
../mako/codegen.py
../mako/compat.py
../mako/exceptions.py
../mako/filters.py
../mako/lexer.py
../mako/lookup.py
../mako/parsetree.py
../mako/pygen.py
../mako/pyparser.py
../mako/runtime.py
../mako/template.py
../mako/util.py
../mako/ext/__init__.py
../mako/ext/autohandler.py
../mako/ext/babelplugin.py
../mako/ext/beaker_cache.py
../mako/ext/preprocessors.py
../mako/ext/pygmentplugin.py
../mako/ext/turbogears.py
../mako/__init__.pyc
../mako/_ast_util.pyc
../mako/ast.pyc
../mako/cache.pyc
../mako/codegen.pyc
../mako/compat.pyc
../mako/exceptions.pyc
../mako/filters.pyc
../mako/lexer.pyc
../mako/lookup.pyc
../mako/parsetree.pyc
../mako/pygen.pyc
../mako/pyparser.pyc
../mako/runtime.pyc
../mako/template.pyc
../mako/util.pyc
../mako/ext/__init__.pyc
../mako/ext/autohandler.pyc
../mako/ext/babelplugin.pyc
../mako/ext/beaker_cache.pyc
../mako/ext/preprocessors.pyc
../mako/ext/pygmentplugin.pyc
../mako/ext/turbogears.pyc
./
dependency_links.txt
entry_points.txt
not-zip-safe
PKG-INFO
requires.txt
SOURCES.txt
top_level.txt
../../../../bin/mako-render

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MarkupSafe>=0.9.2
[beaker]
Beaker>=1.1

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mako

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Metadata-Version: 1.1
Name: MarkupSafe
Version: 0.23
Summary: Implements a XML/HTML/XHTML Markup safe string for Python
Home-page: http://github.com/mitsuhiko/markupsafe
Author: Armin Ronacher
Author-email: armin.ronacher@active-4.com
License: BSD
Description: MarkupSafe
==========
Implements a unicode subclass that supports HTML strings:
>>> from markupsafe import Markup, escape
>>> escape("<script>alert(document.cookie);</script>")
Markup(u'&lt;script&gt;alert(document.cookie);&lt;/script&gt;')
>>> tmpl = Markup("<em>%s</em>")
>>> tmpl % "Peter > Lustig"
Markup(u'<em>Peter &gt; Lustig</em>')
If you want to make an object unicode that is not yet unicode
but don't want to lose the taint information, you can use the
`soft_unicode` function. (On Python 3 you can also use `soft_str` which
is a different name for the same function).
>>> from markupsafe import soft_unicode
>>> soft_unicode(42)
u'42'
>>> soft_unicode(Markup('foo'))
Markup(u'foo')
HTML Representations
--------------------
Objects can customize their HTML markup equivalent by overriding
the `__html__` function:
>>> class Foo(object):
... def __html__(self):
... return '<strong>Nice</strong>'
...
>>> escape(Foo())
Markup(u'<strong>Nice</strong>')
>>> Markup(Foo())
Markup(u'<strong>Nice</strong>')
Silent Escapes
--------------
Since MarkupSafe 0.10 there is now also a separate escape function
called `escape_silent` that returns an empty string for `None` for
consistency with other systems that return empty strings for `None`
when escaping (for instance Pylons' webhelpers).
If you also want to use this for the escape method of the Markup
object, you can create your own subclass that does that::
from markupsafe import Markup, escape_silent as escape
class SilentMarkup(Markup):
__slots__ = ()
@classmethod
def escape(cls, s):
return cls(escape(s))
New-Style String Formatting
---------------------------
Starting with MarkupSafe 0.21 new style string formats from Python 2.6 and
3.x are now fully supported. Previously the escape behavior of those
functions was spotty at best. The new implementations operates under the
following algorithm:
1. if an object has an ``__html_format__`` method it is called as
replacement for ``__format__`` with the format specifier. It either
has to return a string or markup object.
2. if an object has an ``__html__`` method it is called.
3. otherwise the default format system of Python kicks in and the result
is HTML escaped.
Here is how you can implement your own formatting::
class User(object):
def __init__(self, id, username):
self.id = id
self.username = username
def __html_format__(self, format_spec):
if format_spec == 'link':
return Markup('<a href="/user/{0}">{1}</a>').format(
self.id,
self.__html__(),
)
elif format_spec:
raise ValueError('Invalid format spec')
return self.__html__()
def __html__(self):
return Markup('<span class=user>{0}</span>').format(self.username)
And to format that user:
>>> user = User(1, 'foo')
>>> Markup('<p>User: {0:link}').format(user)
Markup(u'<p>User: <a href="/user/1"><span class=user>foo</span></a>')
Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Environment :: Web Environment
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: BSD License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Topic :: Text Processing :: Markup :: HTML

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AUTHORS
LICENSE
MANIFEST.in
README.rst
setup.cfg
setup.py
MarkupSafe.egg-info/PKG-INFO
MarkupSafe.egg-info/SOURCES.txt
MarkupSafe.egg-info/dependency_links.txt
MarkupSafe.egg-info/not-zip-safe
MarkupSafe.egg-info/top_level.txt
markupsafe/__init__.py
markupsafe/_compat.py
markupsafe/_constants.py
markupsafe/_native.py
markupsafe/_speedups.c
markupsafe/tests.py

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../markupsafe/__init__.py
../markupsafe/_compat.py
../markupsafe/_constants.py
../markupsafe/_native.py
../markupsafe/tests.py
../markupsafe/_speedups.c
../markupsafe/__init__.pyc
../markupsafe/_compat.pyc
../markupsafe/_constants.pyc
../markupsafe/_native.pyc
../markupsafe/tests.pyc
../markupsafe/_speedups.so
./
dependency_links.txt
not-zip-safe
PKG-INFO
SOURCES.txt
top_level.txt

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markupsafe

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# Copyright (C) AB Strakt
# See LICENSE for details.
"""
pyOpenSSL - A simple wrapper around the OpenSSL library
"""
from OpenSSL import rand, crypto, SSL
from OpenSSL.version import __version__
__all__ = [
'rand', 'crypto', 'SSL', 'tsafe', '__version__']

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from six import PY3, binary_type, text_type
from cryptography.hazmat.bindings.openssl.binding import Binding
binding = Binding()
ffi = binding.ffi
lib = binding.lib
def exception_from_error_queue(exceptionType):
def text(charp):
return native(ffi.string(charp))
errors = []
while True:
error = lib.ERR_get_error()
if error == 0:
break
errors.append((
text(lib.ERR_lib_error_string(error)),
text(lib.ERR_func_error_string(error)),
text(lib.ERR_reason_error_string(error))))
raise exceptionType(errors)
def native(s):
"""
Convert :py:class:`bytes` or :py:class:`unicode` to the native
:py:class:`str` type, using UTF-8 encoding if conversion is necessary.
:raise UnicodeError: The input string is not UTF-8 decodeable.
:raise TypeError: The input is neither :py:class:`bytes` nor
:py:class:`unicode`.
"""
if not isinstance(s, (binary_type, text_type)):
raise TypeError("%r is neither bytes nor unicode" % s)
if PY3:
if isinstance(s, binary_type):
return s.decode("utf-8")
else:
if isinstance(s, text_type):
return s.encode("utf-8")
return s
if PY3:
def byte_string(s):
return s.encode("charmap")
else:
def byte_string(s):
return s

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"""
PRNG management routines, thin wrappers.
See the file RATIONALE for a short explanation of why this module was written.
"""
from functools import partial
from six import integer_types as _integer_types
from OpenSSL._util import (
ffi as _ffi,
lib as _lib,
exception_from_error_queue as _exception_from_error_queue)
class Error(Exception):
"""
An error occurred in an `OpenSSL.rand` API.
"""
_raise_current_error = partial(_exception_from_error_queue, Error)
_unspecified = object()
_builtin_bytes = bytes
def bytes(num_bytes):
"""
Get some random bytes as a string.
:param num_bytes: The number of bytes to fetch
:return: A string of random bytes
"""
if not isinstance(num_bytes, _integer_types):
raise TypeError("num_bytes must be an integer")
if num_bytes < 0:
raise ValueError("num_bytes must not be negative")
result_buffer = _ffi.new("char[]", num_bytes)
result_code = _lib.RAND_bytes(result_buffer, num_bytes)
if result_code == -1:
# TODO: No tests for this code path. Triggering a RAND_bytes failure
# might involve supplying a custom ENGINE? That's hard.
_raise_current_error()
return _ffi.buffer(result_buffer)[:]
def add(buffer, entropy):
"""
Add data with a given entropy to the PRNG
:param buffer: Buffer with random data
:param entropy: The entropy (in bytes) measurement of the buffer
:return: None
"""
if not isinstance(buffer, _builtin_bytes):
raise TypeError("buffer must be a byte string")
if not isinstance(entropy, int):
raise TypeError("entropy must be an integer")
# TODO Nothing tests this call actually being made, or made properly.
_lib.RAND_add(buffer, len(buffer), entropy)
def seed(buffer):
"""
Alias for rand_add, with entropy equal to length
:param buffer: Buffer with random data
:return: None
"""
if not isinstance(buffer, _builtin_bytes):
raise TypeError("buffer must be a byte string")
# TODO Nothing tests this call actually being made, or made properly.
_lib.RAND_seed(buffer, len(buffer))
def status():
"""
Retrieve the status of the PRNG
:return: True if the PRNG is seeded enough, false otherwise
"""
return _lib.RAND_status()
def egd(path, bytes=_unspecified):
"""
Query an entropy gathering daemon (EGD) for random data and add it to the
PRNG. I haven't found any problems when the socket is missing, the function
just returns 0.
:param path: The path to the EGD socket
:param bytes: (optional) The number of bytes to read, default is 255
:returns: The number of bytes read (NB: a value of 0 isn't necessarily an
error, check rand.status())
"""
if not isinstance(path, _builtin_bytes):
raise TypeError("path must be a byte string")
if bytes is _unspecified:
bytes = 255
elif not isinstance(bytes, int):
raise TypeError("bytes must be an integer")
return _lib.RAND_egd_bytes(path, bytes)
def cleanup():
"""
Erase the memory used by the PRNG.
:return: None
"""
# TODO Nothing tests this call actually being made, or made properly.
_lib.RAND_cleanup()
def load_file(filename, maxbytes=_unspecified):
"""
Seed the PRNG with data from a file
:param filename: The file to read data from
:param maxbytes: (optional) The number of bytes to read, default is
to read the entire file
:return: The number of bytes read
"""
if not isinstance(filename, _builtin_bytes):
raise TypeError("filename must be a string")
if maxbytes is _unspecified:
maxbytes = -1
elif not isinstance(maxbytes, int):
raise TypeError("maxbytes must be an integer")
return _lib.RAND_load_file(filename, maxbytes)
def write_file(filename):
"""
Save PRNG state to a file
:param filename: The file to write data to
:return: The number of bytes written
"""
if not isinstance(filename, _builtin_bytes):
raise TypeError("filename must be a string")
return _lib.RAND_write_file(filename)
# TODO There are no tests for screen at all
def screen():
"""
Add the current contents of the screen to the PRNG state. Availability:
Windows.
:return: None
"""
_lib.RAND_screen()
if getattr(_lib, 'RAND_screen', None) is None:
del screen
# TODO There are no tests for the RAND strings being loaded, whatever that
# means.
_lib.ERR_load_RAND_strings()

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# Copyright (C) Jean-Paul Calderone
# See LICENSE for details.
"""
Package containing unit tests for :py:mod:`OpenSSL`.
"""

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# Copyright (c) Frederick Dean
# See LICENSE for details.
"""
Unit tests for :py:obj:`OpenSSL.rand`.
"""
from unittest import main
import os
import stat
import sys
from OpenSSL.test.util import TestCase, b
from OpenSSL import rand
class RandTests(TestCase):
def test_bytes_wrong_args(self):
"""
:py:obj:`OpenSSL.rand.bytes` raises :py:obj:`TypeError` if called with the wrong
number of arguments or with a non-:py:obj:`int` argument.
"""
self.assertRaises(TypeError, rand.bytes)
self.assertRaises(TypeError, rand.bytes, None)
self.assertRaises(TypeError, rand.bytes, 3, None)
def test_insufficientMemory(self):
"""
:py:obj:`OpenSSL.rand.bytes` raises :py:obj:`MemoryError` if more bytes
are requested than will fit in memory.
"""
self.assertRaises(MemoryError, rand.bytes, sys.maxsize)
def test_bytes(self):
"""
Verify that we can obtain bytes from rand_bytes() and
that they are different each time. Test the parameter
of rand_bytes() for bad values.
"""
b1 = rand.bytes(50)
self.assertEqual(len(b1), 50)
b2 = rand.bytes(num_bytes=50) # parameter by name
self.assertNotEqual(b1, b2) # Hip, Hip, Horay! FIPS complaince
b3 = rand.bytes(num_bytes=0)
self.assertEqual(len(b3), 0)
exc = self.assertRaises(ValueError, rand.bytes, -1)
self.assertEqual(str(exc), "num_bytes must not be negative")
def test_add_wrong_args(self):
"""
When called with the wrong number of arguments, or with arguments not of
type :py:obj:`str` and :py:obj:`int`, :py:obj:`OpenSSL.rand.add` raises :py:obj:`TypeError`.
"""
self.assertRaises(TypeError, rand.add)
self.assertRaises(TypeError, rand.add, b("foo"), None)
self.assertRaises(TypeError, rand.add, None, 3)
self.assertRaises(TypeError, rand.add, b("foo"), 3, None)
def test_add(self):
"""
:py:obj:`OpenSSL.rand.add` adds entropy to the PRNG.
"""
rand.add(b('hamburger'), 3)
def test_seed_wrong_args(self):
"""
When called with the wrong number of arguments, or with a non-:py:obj:`str`
argument, :py:obj:`OpenSSL.rand.seed` raises :py:obj:`TypeError`.
"""
self.assertRaises(TypeError, rand.seed)
self.assertRaises(TypeError, rand.seed, None)
self.assertRaises(TypeError, rand.seed, b("foo"), None)
def test_seed(self):
"""
:py:obj:`OpenSSL.rand.seed` adds entropy to the PRNG.
"""
rand.seed(b('milk shake'))
def test_status_wrong_args(self):
"""
:py:obj:`OpenSSL.rand.status` raises :py:obj:`TypeError` when called with any
arguments.
"""
self.assertRaises(TypeError, rand.status, None)
def test_status(self):
"""
:py:obj:`OpenSSL.rand.status` returns :py:obj:`True` if the PRNG has sufficient
entropy, :py:obj:`False` otherwise.
"""
# It's hard to know what it is actually going to return. Different
# OpenSSL random engines decide differently whether they have enough
# entropy or not.
self.assertTrue(rand.status() in (1, 2))
def test_egd_wrong_args(self):
"""
:py:obj:`OpenSSL.rand.egd` raises :py:obj:`TypeError` when called with the wrong
number of arguments or with arguments not of type :py:obj:`str` and :py:obj:`int`.
"""
self.assertRaises(TypeError, rand.egd)
self.assertRaises(TypeError, rand.egd, None)
self.assertRaises(TypeError, rand.egd, "foo", None)
self.assertRaises(TypeError, rand.egd, None, 3)
self.assertRaises(TypeError, rand.egd, "foo", 3, None)
def test_egd_missing(self):
"""
:py:obj:`OpenSSL.rand.egd` returns :py:obj:`0` or :py:obj:`-1` if the
EGD socket passed to it does not exist.
"""
result = rand.egd(self.mktemp())
expected = (-1, 0)
self.assertTrue(
result in expected,
"%r not in %r" % (result, expected))
def test_egd_missing_and_bytes(self):
"""
:py:obj:`OpenSSL.rand.egd` returns :py:obj:`0` or :py:obj:`-1` if the
EGD socket passed to it does not exist even if a size argument is
explicitly passed.
"""
result = rand.egd(self.mktemp(), 1024)
expected = (-1, 0)
self.assertTrue(
result in expected,
"%r not in %r" % (result, expected))
def test_cleanup_wrong_args(self):
"""
:py:obj:`OpenSSL.rand.cleanup` raises :py:obj:`TypeError` when called with any
arguments.
"""
self.assertRaises(TypeError, rand.cleanup, None)
def test_cleanup(self):
"""
:py:obj:`OpenSSL.rand.cleanup` releases the memory used by the PRNG and returns
:py:obj:`None`.
"""
self.assertIdentical(rand.cleanup(), None)
def test_load_file_wrong_args(self):
"""
:py:obj:`OpenSSL.rand.load_file` raises :py:obj:`TypeError` when called the wrong
number of arguments or arguments not of type :py:obj:`str` and :py:obj:`int`.
"""
self.assertRaises(TypeError, rand.load_file)
self.assertRaises(TypeError, rand.load_file, "foo", None)
self.assertRaises(TypeError, rand.load_file, None, 1)
self.assertRaises(TypeError, rand.load_file, "foo", 1, None)
def test_write_file_wrong_args(self):
"""
:py:obj:`OpenSSL.rand.write_file` raises :py:obj:`TypeError` when called with the
wrong number of arguments or a non-:py:obj:`str` argument.
"""
self.assertRaises(TypeError, rand.write_file)
self.assertRaises(TypeError, rand.write_file, None)
self.assertRaises(TypeError, rand.write_file, "foo", None)
def test_files(self):
"""
Test reading and writing of files via rand functions.
"""
# Write random bytes to a file
tmpfile = self.mktemp()
# Make sure it exists (so cleanup definitely succeeds)
fObj = open(tmpfile, 'w')
fObj.close()
try:
rand.write_file(tmpfile)
# Verify length of written file
size = os.stat(tmpfile)[stat.ST_SIZE]
self.assertEqual(1024, size)
# Read random bytes from file
rand.load_file(tmpfile)
rand.load_file(tmpfile, 4) # specify a length
finally:
# Cleanup
os.unlink(tmpfile)
if __name__ == '__main__':
main()

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# Copyright (C) Jean-Paul Calderone
# Copyright (C) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Helpers for the OpenSSL test suite, largely copied from
U{Twisted<http://twistedmatrix.com/>}.
"""
import shutil
import traceback
import os, os.path
from tempfile import mktemp
from unittest import TestCase
import sys
from OpenSSL._util import exception_from_error_queue
from OpenSSL.crypto import Error
try:
import memdbg
except Exception:
class _memdbg(object): heap = None
memdbg = _memdbg()
from OpenSSL._util import ffi, lib, byte_string as b
class TestCase(TestCase):
"""
:py:class:`TestCase` adds useful testing functionality beyond what is available
from the standard library :py:class:`unittest.TestCase`.
"""
def run(self, result):
run = super(TestCase, self).run
if memdbg.heap is None:
return run(result)
# Run the test as usual
before = set(memdbg.heap)
run(result)
# Clean up some long-lived allocations so they won't be reported as
# memory leaks.
lib.CRYPTO_cleanup_all_ex_data()
lib.ERR_remove_thread_state(ffi.NULL)
after = set(memdbg.heap)
if not after - before:
# No leaks, fast succeed
return
if result.wasSuccessful():
# If it passed, run it again with memory debugging
before = set(memdbg.heap)
run(result)
# Clean up some long-lived allocations so they won't be reported as
# memory leaks.
lib.CRYPTO_cleanup_all_ex_data()
lib.ERR_remove_thread_state(ffi.NULL)
after = set(memdbg.heap)
self._reportLeaks(after - before, result)
def _reportLeaks(self, leaks, result):
def format_leak(p):
stacks = memdbg.heap[p]
# Eventually look at multiple stacks for the realloc() case. For
# now just look at the original allocation location.
(size, python_stack, c_stack) = stacks[0]
stack = traceback.format_list(python_stack)[:-1]
# c_stack looks something like this (interesting parts indicated
# with inserted arrows not part of the data):
#
# /home/exarkun/Projects/pyOpenSSL/branches/use-opentls/__pycache__/_cffi__x89095113xb9185b9b.so(+0x12cf) [0x7fe2e20582cf]
# /home/exarkun/Projects/cpython/2.7/python(PyCFunction_Call+0x8b) [0x56265a]
# /home/exarkun/Projects/cpython/2.7/python() [0x4d5f52]
# /home/exarkun/Projects/cpython/2.7/python(PyEval_EvalFrameEx+0x753b) [0x4d0e1e]
# /home/exarkun/Projects/cpython/2.7/python() [0x4d6419]
# /home/exarkun/Projects/cpython/2.7/python() [0x4d6129]
# /home/exarkun/Projects/cpython/2.7/python(PyEval_EvalFrameEx+0x753b) [0x4d0e1e]
# /home/exarkun/Projects/cpython/2.7/python(PyEval_EvalCodeEx+0x1043) [0x4d3726]
# /home/exarkun/Projects/cpython/2.7/python() [0x55fd51]
# /home/exarkun/Projects/cpython/2.7/python(PyObject_Call+0x7e) [0x420ee6]
# /home/exarkun/Projects/cpython/2.7/python(PyEval_CallObjectWithKeywords+0x158) [0x4d56ec]
# /home/exarkun/.local/lib/python2.7/site-packages/cffi-0.5-py2.7-linux-x86_64.egg/_cffi_backend.so(+0xe96e) [0x7fe2e38be96e]
# /usr/lib/x86_64-linux-gnu/libffi.so.6(ffi_closure_unix64_inner+0x1b9) [0x7fe2e36ad819]
# /usr/lib/x86_64-linux-gnu/libffi.so.6(ffi_closure_unix64+0x46) [0x7fe2e36adb7c]
# /lib/x86_64-linux-gnu/libcrypto.so.1.0.0(CRYPTO_malloc+0x64) [0x7fe2e1cef784] <------ end interesting
# /lib/x86_64-linux-gnu/libcrypto.so.1.0.0(lh_insert+0x16b) [0x7fe2e1d6a24b] .
# /lib/x86_64-linux-gnu/libcrypto.so.1.0.0(+0x61c18) [0x7fe2e1cf0c18] .
# /lib/x86_64-linux-gnu/libcrypto.so.1.0.0(+0x625ec) [0x7fe2e1cf15ec] .
# /lib/x86_64-linux-gnu/libcrypto.so.1.0.0(DSA_new_method+0xe6) [0x7fe2e1d524d6] .
# /lib/x86_64-linux-gnu/libcrypto.so.1.0.0(DSA_generate_parameters+0x3a) [0x7fe2e1d5364a] <------ begin interesting
# /home/exarkun/Projects/opentls/trunk/tls/c/__pycache__/_cffi__x305d4698xb539baaa.so(+0x1f397) [0x7fe2df84d397]
# /home/exarkun/Projects/cpython/2.7/python(PyCFunction_Call+0x8b) [0x56265a]
# /home/exarkun/Projects/cpython/2.7/python() [0x4d5f52]
# /home/exarkun/Projects/cpython/2.7/python(PyEval_EvalFrameEx+0x753b) [0x4d0e1e]
# /home/exarkun/Projects/cpython/2.7/python() [0x4d6419]
# ...
#
# Notice the stack is upside down compared to a Python traceback.
# Identify the start and end of interesting bits and stuff it into the stack we report.
saved = list(c_stack)
# Figure the first interesting frame will be after a the cffi-compiled module
while c_stack and '/__pycache__/_cffi__' not in c_stack[-1]:
c_stack.pop()
# Figure the last interesting frame will always be CRYPTO_malloc,
# since that's where we hooked in to things.
while c_stack and 'CRYPTO_malloc' not in c_stack[0] and 'CRYPTO_realloc' not in c_stack[0]:
c_stack.pop(0)
if c_stack:
c_stack.reverse()
else:
c_stack = saved[::-1]
stack.extend([frame + "\n" for frame in c_stack])
stack.insert(0, "Leaked (%s) at:\n")
return "".join(stack)
if leaks:
unique_leaks = {}
for p in leaks:
size = memdbg.heap[p][-1][0]
new_leak = format_leak(p)
if new_leak not in unique_leaks:
unique_leaks[new_leak] = [(size, p)]
else:
unique_leaks[new_leak].append((size, p))
memdbg.free(p)
for (stack, allocs) in unique_leaks.iteritems():
allocs_accum = []
for (size, pointer) in allocs:
addr = int(ffi.cast('uintptr_t', pointer))
allocs_accum.append("%d@0x%x" % (size, addr))
allocs_report = ", ".join(sorted(allocs_accum))
result.addError(
self,
(None, Exception(stack % (allocs_report,)), None))
def tearDown(self):
"""
Clean up any files or directories created using :py:meth:`TestCase.mktemp`.
Subclasses must invoke this method if they override it or the
cleanup will not occur.
"""
if False and self._temporaryFiles is not None:
for temp in self._temporaryFiles:
if os.path.isdir(temp):
shutil.rmtree(temp)
elif os.path.exists(temp):
os.unlink(temp)
try:
exception_from_error_queue(Error)
except Error:
e = sys.exc_info()[1]
if e.args != ([],):
self.fail("Left over errors in OpenSSL error queue: " + repr(e))
def assertIsInstance(self, instance, classOrTuple, message=None):
"""
Fail if C{instance} is not an instance of the given class or of
one of the given classes.
@param instance: the object to test the type (first argument of the
C{isinstance} call).
@type instance: any.
@param classOrTuple: the class or classes to test against (second
argument of the C{isinstance} call).
@type classOrTuple: class, type, or tuple.
@param message: Custom text to include in the exception text if the
assertion fails.
"""
if not isinstance(instance, classOrTuple):
if message is None:
suffix = ""
else:
suffix = ": " + message
self.fail("%r is not an instance of %s%s" % (
instance, classOrTuple, suffix))
def failUnlessIn(self, containee, container, msg=None):
"""
Fail the test if :py:data:`containee` is not found in :py:data:`container`.
:param containee: the value that should be in :py:class:`container`
:param container: a sequence type, or in the case of a mapping type,
will follow semantics of 'if key in dict.keys()'
:param msg: if msg is None, then the failure message will be
'%r not in %r' % (first, second)
"""
if containee not in container:
raise self.failureException(msg or "%r not in %r"
% (containee, container))
return containee
assertIn = failUnlessIn
def failUnlessIdentical(self, first, second, msg=None):
"""
Fail the test if :py:data:`first` is not :py:data:`second`. This is an
obect-identity-equality test, not an object equality
(i.e. :py:func:`__eq__`) test.
:param msg: if msg is None, then the failure message will be
'%r is not %r' % (first, second)
"""
if first is not second:
raise self.failureException(msg or '%r is not %r' % (first, second))
return first
assertIdentical = failUnlessIdentical
def failIfIdentical(self, first, second, msg=None):
"""
Fail the test if :py:data:`first` is :py:data:`second`. This is an
obect-identity-equality test, not an object equality
(i.e. :py:func:`__eq__`) test.
:param msg: if msg is None, then the failure message will be
'%r is %r' % (first, second)
"""
if first is second:
raise self.failureException(msg or '%r is %r' % (first, second))
return first
assertNotIdentical = failIfIdentical
def failUnlessRaises(self, exception, f, *args, **kwargs):
"""
Fail the test unless calling the function :py:data:`f` with the given
:py:data:`args` and :py:data:`kwargs` raises :py:data:`exception`. The
failure will report the traceback and call stack of the unexpected
exception.
:param exception: exception type that is to be expected
:param f: the function to call
:return: The raised exception instance, if it is of the given type.
:raise self.failureException: Raised if the function call does
not raise an exception or if it raises an exception of a
different type.
"""
try:
result = f(*args, **kwargs)
except exception:
inst = sys.exc_info()[1]
return inst
except:
raise self.failureException('%s raised instead of %s'
% (sys.exc_info()[0],
exception.__name__,
))
else:
raise self.failureException('%s not raised (%r returned)'
% (exception.__name__, result))
assertRaises = failUnlessRaises
_temporaryFiles = None
def mktemp(self):
"""
Pathetic substitute for twisted.trial.unittest.TestCase.mktemp.
"""
if self._temporaryFiles is None:
self._temporaryFiles = []
temp = b(mktemp(dir="."))
self._temporaryFiles.append(temp)
return temp
# Other stuff
def assertConsistentType(self, theType, name, *constructionArgs):
"""
Perform various assertions about :py:data:`theType` to ensure that it is a
well-defined type. This is useful for extension types, where it's
pretty easy to do something wacky. If something about the type is
unusual, an exception will be raised.
:param theType: The type object about which to make assertions.
:param name: A string giving the name of the type.
:param constructionArgs: Positional arguments to use with :py:data:`theType` to
create an instance of it.
"""
self.assertEqual(theType.__name__, name)
self.assertTrue(isinstance(theType, type))
instance = theType(*constructionArgs)
self.assertIdentical(type(instance), theType)

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from OpenSSL import SSL
_ssl = SSL
del SSL
import threading
_RLock = threading.RLock
del threading
class Connection:
def __init__(self, *args):
self._ssl_conn = apply(_ssl.Connection, args)
self._lock = _RLock()
for f in ('get_context', 'pending', 'send', 'write', 'recv', 'read',
'renegotiate', 'bind', 'listen', 'connect', 'accept',
'setblocking', 'fileno', 'shutdown', 'close', 'get_cipher_list',
'getpeername', 'getsockname', 'getsockopt', 'setsockopt',
'makefile', 'get_app_data', 'set_app_data', 'state_string',
'sock_shutdown', 'get_peer_certificate', 'get_peer_cert_chain', 'want_read',
'want_write', 'set_connect_state', 'set_accept_state',
'connect_ex', 'sendall'):
exec("""def %s(self, *args):
self._lock.acquire()
try:
return self._ssl_conn.%s(*args)
finally:
self._lock.release()\n""" % (f, f))

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# Copyright (C) AB Strakt
# Copyright (C) Jean-Paul Calderone
# See LICENSE for details.
"""
pyOpenSSL - A simple wrapper around the OpenSSL library
"""
__version__ = '0.14'

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PIL

504
Darwin/lib/python2.7/site-packages/PIL/ArgImagePlugin.py Normal file
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#
# THIS IS WORK IN PROGRESS
#
# The Python Imaging Library.
# $Id$
#
# ARG animation support code
#
# history:
# 1996-12-30 fl Created
# 1996-01-06 fl Added safe scripting environment
# 1996-01-10 fl Added JHDR, UHDR and sYNC support
# 2005-03-02 fl Removed AAPP and ARUN support
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1996-97.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.4"
import Image, ImageFile, ImagePalette
from PngImagePlugin import i16, i32, ChunkStream, _MODES
MAGIC = "\212ARG\r\n\032\n"
# --------------------------------------------------------------------
# ARG parser
class ArgStream(ChunkStream):
"Parser callbacks for ARG data"
def __init__(self, fp):
ChunkStream.__init__(self, fp)
self.eof = 0
self.im = None
self.palette = None
self.__reset()
def __reset(self):
# reset decoder state (called on init and sync)
self.count = 0
self.id = None
self.action = ("NONE",)
self.images = {}
self.names = {}
def chunk_AHDR(self, offset, bytes):
"AHDR -- animation header"
# assertions
if self.count != 0:
raise SyntaxError, "misplaced AHDR chunk"
s = self.fp.read(bytes)
self.size = i32(s), i32(s[4:])
try:
self.mode, self.rawmode = _MODES[(ord(s[8]), ord(s[9]))]
except:
raise SyntaxError, "unknown ARG mode"
if Image.DEBUG:
print "AHDR size", self.size
print "AHDR mode", self.mode, self.rawmode
return s
def chunk_AFRM(self, offset, bytes):
"AFRM -- next frame follows"
# assertions
if self.count != 0:
raise SyntaxError, "misplaced AFRM chunk"
self.show = 1
self.id = 0
self.count = 1
self.repair = None
s = self.fp.read(bytes)
if len(s) >= 2:
self.id = i16(s)
if len(s) >= 4:
self.count = i16(s[2:4])
if len(s) >= 6:
self.repair = i16(s[4:6])
else:
self.repair = None
if Image.DEBUG:
print "AFRM", self.id, self.count
return s
def chunk_ADEF(self, offset, bytes):
"ADEF -- store image"
# assertions
if self.count != 0:
raise SyntaxError, "misplaced ADEF chunk"
self.show = 0
self.id = 0
self.count = 1
self.repair = None
s = self.fp.read(bytes)
if len(s) >= 2:
self.id = i16(s)
if len(s) >= 4:
self.count = i16(s[2:4])
if Image.DEBUG:
print "ADEF", self.id, self.count
return s
def chunk_NAME(self, offset, bytes):
"NAME -- name the current image"
# assertions
if self.count == 0:
raise SyntaxError, "misplaced NAME chunk"
name = self.fp.read(bytes)
self.names[self.id] = name
return name
def chunk_AEND(self, offset, bytes):
"AEND -- end of animation"
if Image.DEBUG:
print "AEND"
self.eof = 1
raise EOFError, "end of ARG file"
def __getmodesize(self, s, full=1):
size = i32(s), i32(s[4:])
try:
mode, rawmode = _MODES[(ord(s[8]), ord(s[9]))]
except:
raise SyntaxError, "unknown image mode"
if full:
if ord(s[12]):
pass # interlace not yet supported
if ord(s[11]):
raise SyntaxError, "unknown filter category"
return size, mode, rawmode
def chunk_PAST(self, offset, bytes):
"PAST -- paste one image into another"
# assertions
if self.count == 0:
raise SyntaxError, "misplaced PAST chunk"
if self.repair is not None:
# we must repair the target image before we
# start pasting
# brute force; a better solution would be to
# update only the dirty rectangles in images[id].
# note that if images[id] doesn't exist, it must
# be created
self.images[self.id] = self.images[self.repair].copy()
self.repair = None
s = self.fp.read(bytes)
im = self.images[i16(s)]
x, y = i32(s[2:6]), i32(s[6:10])
bbox = x, y, im.size[0]+x, im.size[1]+y
if im.mode in ["RGBA"]:
# paste with transparency
# FIXME: should handle P+transparency as well
self.images[self.id].paste(im, bbox, im)
else:
# paste without transparency
self.images[self.id].paste(im, bbox)
self.action = ("PAST",)
self.__store()
return s
def chunk_BLNK(self, offset, bytes):
"BLNK -- create blank image"
# assertions
if self.count == 0:
raise SyntaxError, "misplaced BLNK chunk"
s = self.fp.read(bytes)
size, mode, rawmode = self.__getmodesize(s, 0)
# store image (FIXME: handle colour)
self.action = ("BLNK",)
self.im = Image.core.fill(mode, size, 0)
self.__store()
return s
def chunk_IHDR(self, offset, bytes):
"IHDR -- full image follows"
# assertions
if self.count == 0:
raise SyntaxError, "misplaced IHDR chunk"
# image header
s = self.fp.read(bytes)
size, mode, rawmode = self.__getmodesize(s)
# decode and store image
self.action = ("IHDR",)
self.im = Image.core.new(mode, size)
self.decoder = Image.core.zip_decoder(rawmode)
self.decoder.setimage(self.im, (0,0) + size)
self.data = ""
return s
def chunk_DHDR(self, offset, bytes):
"DHDR -- delta image follows"
# assertions
if self.count == 0:
raise SyntaxError, "misplaced DHDR chunk"
s = self.fp.read(bytes)
size, mode, rawmode = self.__getmodesize(s)
# delta header
diff = ord(s[13])
offs = i32(s[14:18]), i32(s[18:22])
bbox = offs + (offs[0]+size[0], offs[1]+size[1])
if Image.DEBUG:
print "DHDR", diff, bbox
# FIXME: decode and apply image
self.action = ("DHDR", diff, bbox)
# setup decoder
self.im = Image.core.new(mode, size)
self.decoder = Image.core.zip_decoder(rawmode)
self.decoder.setimage(self.im, (0,0) + size)
self.data = ""
return s
def chunk_JHDR(self, offset, bytes):
"JHDR -- JPEG image follows"
# assertions
if self.count == 0:
raise SyntaxError, "misplaced JHDR chunk"
# image header
s = self.fp.read(bytes)
size, mode, rawmode = self.__getmodesize(s, 0)
# decode and store image
self.action = ("JHDR",)
self.im = Image.core.new(mode, size)
self.decoder = Image.core.jpeg_decoder(rawmode)
self.decoder.setimage(self.im, (0,0) + size)
self.data = ""
return s
def chunk_UHDR(self, offset, bytes):
"UHDR -- uncompressed image data follows (EXPERIMENTAL)"
# assertions
if self.count == 0:
raise SyntaxError, "misplaced UHDR chunk"
# image header
s = self.fp.read(bytes)
size, mode, rawmode = self.__getmodesize(s, 0)
# decode and store image
self.action = ("UHDR",)
self.im = Image.core.new(mode, size)
self.decoder = Image.core.raw_decoder(rawmode)
self.decoder.setimage(self.im, (0,0) + size)
self.data = ""
return s
def chunk_IDAT(self, offset, bytes):
"IDAT -- image data block"
# pass compressed chunks through the decoder
s = self.fp.read(bytes)
self.data = self.data + s
n, e = self.decoder.decode(self.data)
if n < 0:
# end of image
if e < 0:
raise IOError, "decoder error %d" % e
else:
self.data = self.data[n:]
return s
def chunk_DEND(self, offset, bytes):
return self.chunk_IEND(offset, bytes)
def chunk_JEND(self, offset, bytes):
return self.chunk_IEND(offset, bytes)
def chunk_UEND(self, offset, bytes):
return self.chunk_IEND(offset, bytes)
def chunk_IEND(self, offset, bytes):
"IEND -- end of image"
# we now have a new image. carry out the operation
# defined by the image header.
# won't need these anymore
del self.decoder
del self.data
self.__store()
return self.fp.read(bytes)
def __store(self):
# apply operation
cid = self.action[0]
if cid in ["BLNK", "IHDR", "JHDR", "UHDR"]:
# store
self.images[self.id] = self.im
elif cid == "DHDR":
# paste
cid, mode, bbox = self.action
im0 = self.images[self.id]
im1 = self.im
if mode == 0:
im1 = im1.chop_add_modulo(im0.crop(bbox))
im0.paste(im1, bbox)
self.count = self.count - 1
if self.count == 0 and self.show:
self.im = self.images[self.id]
raise EOFError # end of this frame
def chunk_PLTE(self, offset, bytes):
"PLTE -- palette data"
s = self.fp.read(bytes)
if self.mode == "P":
self.palette = ImagePalette.raw("RGB", s)
return s
def chunk_sYNC(self, offset, bytes):
"SYNC -- reset decoder"
if self.count != 0:
raise SyntaxError, "misplaced sYNC chunk"
s = self.fp.read(bytes)
self.__reset()
return s
# --------------------------------------------------------------------
# ARG reader
def _accept(prefix):
return prefix[:8] == MAGIC
##
# Image plugin for the experimental Animated Raster Graphics format.
class ArgImageFile(ImageFile.ImageFile):
format = "ARG"
format_description = "Animated raster graphics"
def _open(self):
if Image.warnings:
Image.warnings.warn(
"The ArgImagePlugin driver is obsolete, and will be removed "
"from a future release of PIL. If you rely on this module, "
"please contact the PIL authors.",
RuntimeWarning
)
if self.fp.read(8) != MAGIC:
raise SyntaxError, "not an ARG file"
self.arg = ArgStream(self.fp)
# read and process the first chunk (AHDR)
cid, offset, bytes = self.arg.read()
if cid != "AHDR":
raise SyntaxError, "expected an AHDR chunk"
s = self.arg.call(cid, offset, bytes)
self.arg.crc(cid, s)
# image characteristics
self.mode = self.arg.mode
self.size = self.arg.size
def load(self):
if self.arg.im is None:
self.seek(0)
# image data
self.im = self.arg.im
self.palette = self.arg.palette
# set things up for further processing
Image.Image.load(self)
def seek(self, frame):
if self.arg.eof:
raise EOFError, "end of animation"
self.fp = self.arg.fp
while 1:
#
# process chunks
cid, offset, bytes = self.arg.read()
if self.arg.eof:
raise EOFError, "end of animation"
try:
s = self.arg.call(cid, offset, bytes)
except EOFError:
break
except "glurk": # AttributeError
if Image.DEBUG:
print cid, bytes, "(unknown)"
s = self.fp.read(bytes)
self.arg.crc(cid, s)
self.fp.read(4) # ship extra CRC
def tell(self):
return 0
def verify(self):
"Verify ARG file"
# back up to first chunk
self.fp.seek(8)
self.arg.verify(self)
self.arg.close()
self.fp = None
#
# --------------------------------------------------------------------
Image.register_open("ARG", ArgImageFile, _accept)
Image.register_extension("ARG", ".arg")
Image.register_mime("ARG", "video/x-arg")

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#
# The Python Imaging Library
# $Id$
#
# bitmap distribution font (bdf) file parser
#
# history:
# 1996-05-16 fl created (as bdf2pil)
# 1997-08-25 fl converted to FontFile driver
# 2001-05-25 fl removed bogus __init__ call
# 2002-11-20 fl robustification (from Kevin Cazabon, Dmitry Vasiliev)
# 2003-04-22 fl more robustification (from Graham Dumpleton)
#
# Copyright (c) 1997-2003 by Secret Labs AB.
# Copyright (c) 1997-2003 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
import Image
import FontFile
import string
# --------------------------------------------------------------------
# parse X Bitmap Distribution Format (BDF)
# --------------------------------------------------------------------
bdf_slant = {
"R": "Roman",
"I": "Italic",
"O": "Oblique",
"RI": "Reverse Italic",
"RO": "Reverse Oblique",
"OT": "Other"
}
bdf_spacing = {
"P": "Proportional",
"M": "Monospaced",
"C": "Cell"
}
def bdf_char(f):
# skip to STARTCHAR
while 1:
s = f.readline()
if not s:
return None
if s[:9] == "STARTCHAR":
break
id = string.strip(s[9:])
# load symbol properties
props = {}
while 1:
s = f.readline()
if not s or s[:6] == "BITMAP":
break
i = string.find(s, " ")
props[s[:i]] = s[i+1:-1]
# load bitmap
bitmap = []
while 1:
s = f.readline()
if not s or s[:7] == "ENDCHAR":
break
bitmap.append(s[:-1])
bitmap = string.join(bitmap, "")
[x, y, l, d] = map(int, string.split(props["BBX"]))
[dx, dy] = map(int, string.split(props["DWIDTH"]))
bbox = (dx, dy), (l, -d-y, x+l, -d), (0, 0, x, y)
try:
im = Image.fromstring("1", (x, y), bitmap, "hex", "1")
except ValueError:
# deal with zero-width characters
im = Image.new("1", (x, y))
return id, int(props["ENCODING"]), bbox, im
##
# Font file plugin for the X11 BDF format.
class BdfFontFile(FontFile.FontFile):
def __init__(self, fp):
FontFile.FontFile.__init__(self)
s = fp.readline()
if s[:13] != "STARTFONT 2.1":
raise SyntaxError, "not a valid BDF file"
props = {}
comments = []
while 1:
s = fp.readline()
if not s or s[:13] == "ENDPROPERTIES":
break
i = string.find(s, " ")
props[s[:i]] = s[i+1:-1]
if s[:i] in ["COMMENT", "COPYRIGHT"]:
if string.find(s, "LogicalFontDescription") < 0:
comments.append(s[i+1:-1])
font = string.split(props["FONT"], "-")
font[4] = bdf_slant[string.upper(font[4])]
font[11] = bdf_spacing[string.upper(font[11])]
ascent = int(props["FONT_ASCENT"])
descent = int(props["FONT_DESCENT"])
fontname = string.join(font[1:], ";")
# print "#", fontname
# for i in comments:
# print "#", i
font = []
while 1:
c = bdf_char(fp)
if not c:
break
id, ch, (xy, dst, src), im = c
if ch >= 0 and ch < len(self.glyph):
self.glyph[ch] = xy, dst, src, im

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#
# The Python Imaging Library.
# $Id$
#
# BMP file handler
#
# Windows (and OS/2) native bitmap storage format.
#
# history:
# 1995-09-01 fl Created
# 1996-04-30 fl Added save
# 1997-08-27 fl Fixed save of 1-bit images
# 1998-03-06 fl Load P images as L where possible
# 1998-07-03 fl Load P images as 1 where possible
# 1998-12-29 fl Handle small palettes
# 2002-12-30 fl Fixed load of 1-bit palette images
# 2003-04-21 fl Fixed load of 1-bit monochrome images
# 2003-04-23 fl Added limited support for BI_BITFIELDS compression
#
# Copyright (c) 1997-2003 by Secret Labs AB
# Copyright (c) 1995-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.7"
import string
import Image, ImageFile, ImagePalette
#
# --------------------------------------------------------------------
# Read BMP file
def i16(c):
return ord(c[0]) + (ord(c[1])<<8)
def i32(c):
return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
BIT2MODE = {
# bits => mode, rawmode
1: ("P", "P;1"),
4: ("P", "P;4"),
8: ("P", "P"),
16: ("RGB", "BGR;15"),
24: ("RGB", "BGR"),
32: ("RGB", "BGRX")
}
def _accept(prefix):
return prefix[:2] == "BM"
##
# Image plugin for the Windows BMP format.
class BmpImageFile(ImageFile.ImageFile):
format = "BMP"
format_description = "Windows Bitmap"
def _bitmap(self, header = 0, offset = 0):
if header:
self.fp.seek(header)
read = self.fp.read
# CORE/INFO
s = read(4)
s = s + ImageFile._safe_read(self.fp, i32(s)-4)
if len(s) == 12:
# OS/2 1.0 CORE
bits = i16(s[10:])
self.size = i16(s[4:]), i16(s[6:])
compression = 0
lutsize = 3
colors = 0
direction = -1
elif len(s) in [40, 64]:
# WIN 3.1 or OS/2 2.0 INFO
bits = i16(s[14:])
self.size = i32(s[4:]), i32(s[8:])
compression = i32(s[16:])
lutsize = 4
colors = i32(s[32:])
direction = -1
if s[11] == '\xff':
# upside-down storage
self.size = self.size[0], 2**32 - self.size[1]
direction = 0
else:
raise IOError("Unsupported BMP header type (%d)" % len(s))
if not colors:
colors = 1 << bits
# MODE
try:
self.mode, rawmode = BIT2MODE[bits]
except KeyError:
raise IOError("Unsupported BMP pixel depth (%d)" % bits)
if compression == 3:
# BI_BITFIELDS compression
mask = i32(read(4)), i32(read(4)), i32(read(4))
if bits == 32 and mask == (0xff0000, 0x00ff00, 0x0000ff):
rawmode = "BGRX"
elif bits == 16 and mask == (0x00f800, 0x0007e0, 0x00001f):
rawmode = "BGR;16"
elif bits == 16 and mask == (0x007c00, 0x0003e0, 0x00001f):
rawmode = "BGR;15"
else:
# print bits, map(hex, mask)
raise IOError("Unsupported BMP bitfields layout")
elif compression != 0:
raise IOError("Unsupported BMP compression (%d)" % compression)
# LUT
if self.mode == "P":
palette = []
greyscale = 1
if colors == 2:
indices = (0, 255)
else:
indices = range(colors)
for i in indices:
rgb = read(lutsize)[:3]
if rgb != chr(i)*3:
greyscale = 0
palette.append(rgb)
if greyscale:
if colors == 2:
self.mode = rawmode = "1"
else:
self.mode = rawmode = "L"
else:
self.mode = "P"
self.palette = ImagePalette.raw(
"BGR", string.join(palette, "")
)
if not offset:
offset = self.fp.tell()
self.tile = [("raw",
(0, 0) + self.size,
offset,
(rawmode, ((self.size[0]*bits+31)>>3)&(~3), direction))]
self.info["compression"] = compression
def _open(self):
# HEAD
s = self.fp.read(14)
if s[:2] != "BM":
raise SyntaxError("Not a BMP file")
offset = i32(s[10:])
self._bitmap(offset=offset)
class DibImageFile(BmpImageFile):
format = "DIB"
format_description = "Windows Bitmap"
def _open(self):
self._bitmap()
#
# --------------------------------------------------------------------
# Write BMP file
def o16(i):
return chr(i&255) + chr(i>>8&255)
def o32(i):
return chr(i&255) + chr(i>>8&255) + chr(i>>16&255) + chr(i>>24&255)
SAVE = {
"1": ("1", 1, 2),
"L": ("L", 8, 256),
"P": ("P", 8, 256),
"RGB": ("BGR", 24, 0),
}
def _save(im, fp, filename, check=0):
try:
rawmode, bits, colors = SAVE[im.mode]
except KeyError:
raise IOError("cannot write mode %s as BMP" % im.mode)
if check:
return check
stride = ((im.size[0]*bits+7)/8+3)&(~3)
header = 40 # or 64 for OS/2 version 2
offset = 14 + header + colors * 4
image = stride * im.size[1]
# bitmap header
fp.write("BM" + # file type (magic)
o32(offset+image) + # file size
o32(0) + # reserved
o32(offset)) # image data offset
# bitmap info header
fp.write(o32(header) + # info header size
o32(im.size[0]) + # width
o32(im.size[1]) + # height
o16(1) + # planes
o16(bits) + # depth
o32(0) + # compression (0=uncompressed)
o32(image) + # size of bitmap
o32(1) + o32(1) + # resolution
o32(colors) + # colors used
o32(colors)) # colors important
fp.write("\000" * (header - 40)) # padding (for OS/2 format)
if im.mode == "1":
for i in (0, 255):
fp.write(chr(i) * 4)
elif im.mode == "L":
for i in range(256):
fp.write(chr(i) * 4)
elif im.mode == "P":
fp.write(im.im.getpalette("RGB", "BGRX"))
ImageFile._save(im, fp, [("raw", (0,0)+im.size, 0, (rawmode, stride, -1))])
#
# --------------------------------------------------------------------
# Registry
Image.register_open(BmpImageFile.format, BmpImageFile, _accept)
Image.register_save(BmpImageFile.format, _save)
Image.register_extension(BmpImageFile.format, ".bmp")

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#
# The Python Imaging Library
# $Id$
#
# BUFR stub adapter
#
# Copyright (c) 1996-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image, ImageFile
_handler = None
##
# Install application-specific BUFR image handler.
#
# @param handler Handler object.
def register_handler(handler):
global _handler
_handler = handler
# --------------------------------------------------------------------
# Image adapter
def _accept(prefix):
return prefix[:4] == "BUFR" or prefix[:4] == "ZCZC"
class BufrStubImageFile(ImageFile.StubImageFile):
format = "BUFR"
format_description = "BUFR"
def _open(self):
offset = self.fp.tell()
if not _accept(self.fp.read(8)):
raise SyntaxError("Not a BUFR file")
self.fp.seek(offset)
# make something up
self.mode = "F"
self.size = 1, 1
loader = self._load()
if loader:
loader.open(self)
def _load(self):
return _handler
def _save(im, fp, filename):
if _handler is None or not hasattr("_handler", "save"):
raise IOError("BUFR save handler not installed")
_handler.save(im, fp, filename)
# --------------------------------------------------------------------
# Registry
Image.register_open(BufrStubImageFile.format, BufrStubImageFile, _accept)
Image.register_save(BufrStubImageFile.format, _save)
Image.register_extension(BufrStubImageFile.format, ".bufr")

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#
# The Python Imaging Library.
# $Id$
#
# a class to read from a container file
#
# History:
# 1995-06-18 fl Created
# 1995-09-07 fl Added readline(), readlines()
#
# Copyright (c) 1997-2001 by Secret Labs AB
# Copyright (c) 1995 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
##
# A file object that provides read access to a part of an existing
# file (for example a TAR file).
class ContainerIO:
##
# Create file object.
#
# @param file Existing file.
# @param offset Start of region, in bytes.
# @param length Size of region, in bytes.
def __init__(self, file, offset, length):
self.fh = file
self.pos = 0
self.offset = offset
self.length = length
self.fh.seek(offset)
##
# Always false.
def isatty(self):
return 0
##
# Move file pointer.
#
# @param offset Offset in bytes.
# @param mode Starting position. Use 0 for beginning of region, 1
# for current offset, and 2 for end of region. You cannot move
# the pointer outside the defined region.
def seek(self, offset, mode = 0):
if mode == 1:
self.pos = self.pos + offset
elif mode == 2:
self.pos = self.length + offset
else:
self.pos = offset
# clamp
self.pos = max(0, min(self.pos, self.length))
self.fh.seek(self.offset + self.pos)
##
# Get current file pointer.
#
# @return Offset from start of region, in bytes.
def tell(self):
return self.pos
##
# Read data.
#
# @def read(bytes=0)
# @param bytes Number of bytes to read. If omitted or zero,
# read until end of region.
# @return An 8-bit string.
def read(self, n = 0):
if n:
n = min(n, self.length - self.pos)
else:
n = self.length - self.pos
if not n: # EOF
return ""
self.pos = self.pos + n
return self.fh.read(n)
##
# Read a line of text.
#
# @return An 8-bit string.
def readline(self):
s = ""
while 1:
c = self.read(1)
if not c:
break
s = s + c
if c == "\n":
break
return s
##
# Read multiple lines of text.
#
# @return A list of 8-bit strings.
def readlines(self):
l = []
while 1:
s = self.readline()
if not s:
break
l.append(s)
return l

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#
# The Python Imaging Library.
# $Id$
#
# Windows Cursor support for PIL
#
# notes:
# uses BmpImagePlugin.py to read the bitmap data.
#
# history:
# 96-05-27 fl Created
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1996.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.1"
import Image, BmpImagePlugin
#
# --------------------------------------------------------------------
def i16(c):
return ord(c[0]) + (ord(c[1])<<8)
def i32(c):
return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
def _accept(prefix):
return prefix[:4] == "\0\0\2\0"
##
# Image plugin for Windows Cursor files.
class CurImageFile(BmpImagePlugin.BmpImageFile):
format = "CUR"
format_description = "Windows Cursor"
def _open(self):
offset = self.fp.tell()
# check magic
s = self.fp.read(6)
if not _accept(s):
raise SyntaxError, "not an CUR file"
# pick the largest cursor in the file
m = ""
for i in range(i16(s[4:])):
s = self.fp.read(16)
if not m:
m = s
elif ord(s[0]) > ord(m[0]) and ord(s[1]) > ord(m[1]):
m = s
#print "width", ord(s[0])
#print "height", ord(s[1])
#print "colors", ord(s[2])
#print "reserved", ord(s[3])
#print "hotspot x", i16(s[4:])
#print "hotspot y", i16(s[6:])
#print "bytes", i32(s[8:])
#print "offset", i32(s[12:])
# load as bitmap
self._bitmap(i32(m[12:]) + offset)
# patch up the bitmap height
self.size = self.size[0], self.size[1]/2
d, e, o, a = self.tile[0]
self.tile[0] = d, (0,0)+self.size, o, a
return
#
# --------------------------------------------------------------------
Image.register_open("CUR", CurImageFile, _accept)
Image.register_extension("CUR", ".cur")

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#
# The Python Imaging Library.
# $Id$
#
# DCX file handling
#
# DCX is a container file format defined by Intel, commonly used
# for fax applications. Each DCX file consists of a directory
# (a list of file offsets) followed by a set of (usually 1-bit)
# PCX files.
#
# History:
# 1995-09-09 fl Created
# 1996-03-20 fl Properly derived from PcxImageFile.
# 1998-07-15 fl Renamed offset attribute to avoid name clash
# 2002-07-30 fl Fixed file handling
#
# Copyright (c) 1997-98 by Secret Labs AB.
# Copyright (c) 1995-96 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.2"
import Image
from PcxImagePlugin import PcxImageFile
MAGIC = 0x3ADE68B1 # QUIZ: what's this value, then?
def i32(c):
return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
def _accept(prefix):
return i32(prefix) == MAGIC
##
# Image plugin for the Intel DCX format.
class DcxImageFile(PcxImageFile):
format = "DCX"
format_description = "Intel DCX"
def _open(self):
# Header
s = self.fp.read(4)
if i32(s) != MAGIC:
raise SyntaxError, "not a DCX file"
# Component directory
self._offset = []
for i in range(1024):
offset = i32(self.fp.read(4))
if not offset:
break
self._offset.append(offset)
self.__fp = self.fp
self.seek(0)
def seek(self, frame):
if frame >= len(self._offset):
raise EOFError("attempt to seek outside DCX directory")
self.frame = frame
self.fp = self.__fp
self.fp.seek(self._offset[frame])
PcxImageFile._open(self)
def tell(self):
return self.frame
Image.register_open("DCX", DcxImageFile, _accept)
Image.register_extension("DCX", ".dcx")

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#
# The Python Imaging Library.
# $Id$
#
# EPS file handling
#
# History:
# 1995-09-01 fl Created (0.1)
# 1996-05-18 fl Don't choke on "atend" fields, Ghostscript interface (0.2)
# 1996-08-22 fl Don't choke on floating point BoundingBox values
# 1996-08-23 fl Handle files from Macintosh (0.3)
# 2001-02-17 fl Use 're' instead of 'regex' (Python 2.1) (0.4)
# 2003-09-07 fl Check gs.close status (from Federico Di Gregorio) (0.5)
#
# Copyright (c) 1997-2003 by Secret Labs AB.
# Copyright (c) 1995-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.5"
import re, string
import Image, ImageFile
#
# --------------------------------------------------------------------
def i32(c):
return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
def o32(i):
return chr(i&255) + chr(i>>8&255) + chr(i>>16&255) + chr(i>>24&255)
split = re.compile(r"^%%([^:]*):[ \t]*(.*)[ \t]*$")
field = re.compile(r"^%[%!\w]([^:]*)[ \t]*$")
def Ghostscript(tile, size, fp):
"""Render an image using Ghostscript (Unix only)"""
# Unpack decoder tile
decoder, tile, offset, data = tile[0]
length, bbox = data
import tempfile, os
file = tempfile.mktemp()
# Build ghostscript command
command = ["gs",
"-q", # quite mode
"-g%dx%d" % size, # set output geometry (pixels)
"-dNOPAUSE -dSAFER", # don't pause between pages, safe mode
"-sDEVICE=ppmraw", # ppm driver
"-sOutputFile=%s" % file,# output file
"- >/dev/null 2>/dev/null"]
command = string.join(command)
# push data through ghostscript
try:
gs = os.popen(command, "w")
# adjust for image origin
if bbox[0] != 0 or bbox[1] != 0:
gs.write("%d %d translate\n" % (-bbox[0], -bbox[1]))
fp.seek(offset)
while length > 0:
s = fp.read(8192)
if not s:
break
length = length - len(s)
gs.write(s)
status = gs.close()
if status:
raise IOError("gs failed (status %d)" % status)
im = Image.core.open_ppm(file)
finally:
try: os.unlink(file)
except: pass
return im
class PSFile:
"""Wrapper that treats either CR or LF as end of line."""
def __init__(self, fp):
self.fp = fp
self.char = None
def __getattr__(self, id):
v = getattr(self.fp, id)
setattr(self, id, v)
return v
def seek(self, offset, whence=0):
self.char = None
self.fp.seek(offset, whence)
def tell(self):
pos = self.fp.tell()
if self.char:
pos = pos - 1
return pos
def readline(self):
s = ""
if self.char:
c = self.char
self.char = None
else:
c = self.fp.read(1)
while c not in "\r\n":
s = s + c
c = self.fp.read(1)
if c == "\r":
self.char = self.fp.read(1)
if self.char == "\n":
self.char = None
return s + "\n"
def _accept(prefix):
return prefix[:4] == "%!PS" or i32(prefix) == 0xC6D3D0C5L
##
# Image plugin for Encapsulated Postscript. This plugin supports only
# a few variants of this format.
class EpsImageFile(ImageFile.ImageFile):
"""EPS File Parser for the Python Imaging Library"""
format = "EPS"
format_description = "Encapsulated Postscript"
def _open(self):
# FIXME: should check the first 512 bytes to see if this
# really is necessary (platform-dependent, though...)
fp = PSFile(self.fp)
# HEAD
s = fp.read(512)
if s[:4] == "%!PS":
offset = 0
fp.seek(0, 2)
length = fp.tell()
elif i32(s) == 0xC6D3D0C5L:
offset = i32(s[4:])
length = i32(s[8:])
fp.seek(offset)
else:
raise SyntaxError, "not an EPS file"
fp.seek(offset)
box = None
self.mode = "RGB"
self.size = 1, 1 # FIXME: huh?
#
# Load EPS header
s = fp.readline()
while s:
if len(s) > 255:
raise SyntaxError, "not an EPS file"
if s[-2:] == '\r\n':
s = s[:-2]
elif s[-1:] == '\n':
s = s[:-1]
try:
m = split.match(s)
except re.error, v:
raise SyntaxError, "not an EPS file"
if m:
k, v = m.group(1, 2)
self.info[k] = v
if k == "BoundingBox":
try:
# Note: The DSC spec says that BoundingBox
# fields should be integers, but some drivers
# put floating point values there anyway.
box = map(int, map(float, string.split(v)))
self.size = box[2] - box[0], box[3] - box[1]
self.tile = [("eps", (0,0) + self.size, offset,
(length, box))]
except:
pass
else:
m = field.match(s)
if m:
k = m.group(1)
if k == "EndComments":
break
if k[:8] == "PS-Adobe":
self.info[k[:8]] = k[9:]
else:
self.info[k] = ""
else:
raise IOError, "bad EPS header"
s = fp.readline()
if s[:1] != "%":
break
#
# Scan for an "ImageData" descriptor
while s[0] == "%":
if len(s) > 255:
raise SyntaxError, "not an EPS file"
if s[-2:] == '\r\n':
s = s[:-2]
elif s[-1:] == '\n':
s = s[:-1]
if s[:11] == "%ImageData:":
[x, y, bi, mo, z3, z4, en, id] =\
string.split(s[11:], maxsplit=7)
x = int(x); y = int(y)
bi = int(bi)
mo = int(mo)
en = int(en)
if en == 1:
decoder = "eps_binary"
elif en == 2:
decoder = "eps_hex"
else:
break
if bi != 8:
break
if mo == 1:
self.mode = "L"
elif mo == 2:
self.mode = "LAB"
elif mo == 3:
self.mode = "RGB"
else:
break
if id[:1] == id[-1:] == '"':
id = id[1:-1]
# Scan forward to the actual image data
while 1:
s = fp.readline()
if not s:
break
if s[:len(id)] == id:
self.size = x, y
self.tile2 = [(decoder,
(0, 0, x, y),
fp.tell(),
0)]
return
s = fp.readline()
if not s:
break
if not box:
raise IOError, "cannot determine EPS bounding box"
def load(self):
# Load EPS via Ghostscript
if not self.tile:
return
self.im = Ghostscript(self.tile, self.size, self.fp)
self.mode = self.im.mode
self.size = self.im.size
self.tile = []
#
# --------------------------------------------------------------------
def _save(im, fp, filename, eps=1):
"""EPS Writer for the Python Imaging Library."""
#
# make sure image data is available
im.load()
#
# determine postscript image mode
if im.mode == "L":
operator = (8, 1, "image")
elif im.mode == "RGB":
operator = (8, 3, "false 3 colorimage")
elif im.mode == "CMYK":
operator = (8, 4, "false 4 colorimage")
else:
raise ValueError, "image mode is not supported"
if eps:
#
# write EPS header
fp.write("%!PS-Adobe-3.0 EPSF-3.0\n")
fp.write("%%Creator: PIL 0.1 EpsEncode\n")
#fp.write("%%CreationDate: %s"...)
fp.write("%%%%BoundingBox: 0 0 %d %d\n" % im.size)
fp.write("%%Pages: 1\n")
fp.write("%%EndComments\n")
fp.write("%%Page: 1 1\n")
fp.write("%%ImageData: %d %d " % im.size)
fp.write("%d %d 0 1 1 \"%s\"\n" % operator)
#
# image header
fp.write("gsave\n")
fp.write("10 dict begin\n")
fp.write("/buf %d string def\n" % (im.size[0] * operator[1]))
fp.write("%d %d scale\n" % im.size)
fp.write("%d %d 8\n" % im.size) # <= bits
fp.write("[%d 0 0 -%d 0 %d]\n" % (im.size[0], im.size[1], im.size[1]))
fp.write("{ currentfile buf readhexstring pop } bind\n")
fp.write("%s\n" % operator[2])
ImageFile._save(im, fp, [("eps", (0,0)+im.size, 0, None)])
fp.write("\n%%%%EndBinary\n")
fp.write("grestore end\n")
fp.flush()
#
# --------------------------------------------------------------------
Image.register_open(EpsImageFile.format, EpsImageFile, _accept)
Image.register_save(EpsImageFile.format, _save)
Image.register_extension(EpsImageFile.format, ".ps")
Image.register_extension(EpsImageFile.format, ".eps")
Image.register_mime(EpsImageFile.format, "application/postscript")

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#
# The Python Imaging Library.
# $Id$
#
# EXIF tags
#
# Copyright (c) 2003 by Secret Labs AB
#
# See the README file for information on usage and redistribution.
#
##
# This module provides constants and clear-text names for various
# well-known EXIF tags.
##
##
# Maps EXIF tags to tag names.
TAGS = {
# possibly incomplete
0x0100: "ImageWidth",
0x0101: "ImageLength",
0x0102: "BitsPerSample",
0x0103: "Compression",
0x0106: "PhotometricInterpretation",
0x010e: "ImageDescription",
0x010f: "Make",
0x0110: "Model",
0x0111: "StripOffsets",
0x0112: "Orientation",
0x0115: "SamplesPerPixel",
0x0116: "RowsPerStrip",
0x0117: "StripByteConunts",
0x011a: "XResolution",
0x011a: "XResolution",
0x011b: "YResolution",
0x011b: "YResolution",
0x011c: "PlanarConfiguration",
0x0128: "ResolutionUnit",
0x0128: "ResolutionUnit",
0x012d: "TransferFunction",
0x0131: "Software",
0x0132: "DateTime",
0x013b: "Artist",
0x013e: "WhitePoint",
0x013f: "PrimaryChromaticities",
0x0201: "JpegIFOffset",
0x0202: "JpegIFByteCount",
0x0211: "YCbCrCoefficients",
0x0211: "YCbCrCoefficients",
0x0212: "YCbCrSubSampling",
0x0213: "YCbCrPositioning",
0x0213: "YCbCrPositioning",
0x0214: "ReferenceBlackWhite",
0x0214: "ReferenceBlackWhite",
0x1000: "RelatedImageFileFormat",
0x1001: "RelatedImageLength",
0x1001: "RelatedImageWidth",
0x828d: "CFARepeatPatternDim",
0x828e: "CFAPattern",
0x828f: "BatteryLevel",
0x8298: "Copyright",
0x829a: "ExposureTime",
0x829d: "FNumber",
0x8769: "ExifOffset",
0x8773: "InterColorProfile",
0x8822: "ExposureProgram",
0x8824: "SpectralSensitivity",
0x8825: "GPSInfo",
0x8827: "ISOSpeedRatings",
0x8828: "OECF",
0x8829: "Interlace",
0x882a: "TimeZoneOffset",
0x882b: "SelfTimerMode",
0x9000: "ExifVersion",
0x9003: "DateTimeOriginal",
0x9004: "DateTimeDigitized",
0x9101: "ComponentsConfiguration",
0x9102: "CompressedBitsPerPixel",
0x9201: "ShutterSpeedValue",
0x9202: "ApertureValue",
0x9203: "BrightnessValue",
0x9204: "ExposureBiasValue",
0x9205: "MaxApertureValue",
0x9206: "SubjectDistance",
0x9207: "MeteringMode",
0x9208: "LightSource",
0x9209: "Flash",
0x920a: "FocalLength",
0x920b: "FlashEnergy",
0x920c: "SpatialFrequencyResponse",
0x920d: "Noise",
0x9211: "ImageNumber",
0x9212: "SecurityClassification",
0x9213: "ImageHistory",
0x9214: "SubjectLocation",
0x9215: "ExposureIndex",
0x9216: "TIFF/EPStandardID",
0x927c: "MakerNote",
0x9286: "UserComment",
0x9290: "SubsecTime",
0x9291: "SubsecTimeOriginal",
0x9292: "SubsecTimeDigitized",
0xa000: "FlashPixVersion",
0xa001: "ColorSpace",
0xa002: "ExifImageWidth",
0xa003: "ExifImageHeight",
0xa004: "RelatedSoundFile",
0xa005: "ExifInteroperabilityOffset",
0xa20b: "FlashEnergy",
0xa20c: "SpatialFrequencyResponse",
0xa20e: "FocalPlaneXResolution",
0xa20f: "FocalPlaneYResolution",
0xa210: "FocalPlaneResolutionUnit",
0xa214: "SubjectLocation",
0xa215: "ExposureIndex",
0xa217: "SensingMethod",
0xa300: "FileSource",
0xa301: "SceneType",
0xa302: "CFAPattern",
}
##
# Maps EXIF GSP tags to tag names.
GPSTAGS = {
0: "GPSVersionID",
1: "GPSLatitudeRef",
2: "GPSLatitude",
3: "GPSLongitudeRef",
4: "GPSLongitude",
5: "GPSAltitudeRef",
6: "GPSAltitude",
7: "GPSTimeStamp",
8: "GPSSatellites",
9: "GPSStatus",
10: "GPSMeasureMode",
11: "GPSDOP",
12: "GPSSpeedRef",
13: "GPSSpeed",
14: "GPSTrackRef",
15: "GPSTrack",
16: "GPSImgDirectionRef",
17: "GPSImgDirection",
18: "GPSMapDatum",
19: "GPSDestLatitudeRef",
20: "GPSDestLatitude",
21: "GPSDestLongitudeRef",
22: "GPSDestLongitude",
23: "GPSDestBearingRef",
24: "GPSDestBearing",
25: "GPSDestDistanceRef",
26: "GPSDestDistance"
}

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#
# The Python Imaging Library
# $Id$
#
# FITS stub adapter
#
# Copyright (c) 1998-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image, ImageFile
_handler = None
##
# Install application-specific FITS image handler.
#
# @param handler Handler object.
def register_handler(handler):
global _handler
_handler = handler
# --------------------------------------------------------------------
# Image adapter
def _accept(prefix):
return prefix[:6] == "SIMPLE"
class FITSStubImageFile(ImageFile.StubImageFile):
format = "FITS"
format_description = "FITS"
def _open(self):
offset = self.fp.tell()
if not _accept(self.fp.read(6)):
raise SyntaxError("Not a FITS file")
# FIXME: add more sanity checks here; mandatory header items
# include SIMPLE, BITPIX, NAXIS, etc.
self.fp.seek(offset)
# make something up
self.mode = "F"
self.size = 1, 1
loader = self._load()
if loader:
loader.open(self)
def _load(self):
return _handler
def _save(im, fp, filename):
if _handler is None or not hasattr("_handler", "save"):
raise IOError("FITS save handler not installed")
_handler.save(im, fp, filename)
# --------------------------------------------------------------------
# Registry
Image.register_open(FITSStubImageFile.format, FITSStubImageFile, _accept)
Image.register_save(FITSStubImageFile.format, _save)
Image.register_extension(FITSStubImageFile.format, ".fit")
Image.register_extension(FITSStubImageFile.format, ".fits")

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#
# The Python Imaging Library.
# $Id$
#
# FLI/FLC file handling.
#
# History:
# 95-09-01 fl Created
# 97-01-03 fl Fixed parser, setup decoder tile
# 98-07-15 fl Renamed offset attribute to avoid name clash
#
# Copyright (c) Secret Labs AB 1997-98.
# Copyright (c) Fredrik Lundh 1995-97.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.2"
import Image, ImageFile, ImagePalette
import string
def i16(c):
return ord(c[0]) + (ord(c[1])<<8)
def i32(c):
return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
#
# decoder
def _accept(prefix):
return i16(prefix[4:6]) in [0xAF11, 0xAF12]
##
# Image plugin for the FLI/FLC animation format. Use the <b>seek</b>
# method to load individual frames.
class FliImageFile(ImageFile.ImageFile):
format = "FLI"
format_description = "Autodesk FLI/FLC Animation"
def _open(self):
# HEAD
s = self.fp.read(128)
magic = i16(s[4:6])
if magic not in [0xAF11, 0xAF12]:
raise SyntaxError, "not an FLI/FLC file"
# image characteristics
self.mode = "P"
self.size = i16(s[8:10]), i16(s[10:12])
# animation speed
duration = i32(s[16:20])
if magic == 0xAF11:
duration = (duration * 1000) / 70
self.info["duration"] = duration
# look for palette
palette = map(lambda a: (a,a,a), range(256))
s = self.fp.read(16)
self.__offset = 128
if i16(s[4:6]) == 0xF100:
# prefix chunk; ignore it
self.__offset = self.__offset + i32(s)
s = self.fp.read(16)
if i16(s[4:6]) == 0xF1FA:
# look for palette chunk
s = self.fp.read(6)
if i16(s[4:6]) == 11:
self._palette(palette, 2)
elif i16(s[4:6]) == 4:
self._palette(palette, 0)
palette = map(lambda (r,g,b): chr(r)+chr(g)+chr(b), palette)
self.palette = ImagePalette.raw("RGB", string.join(palette, ""))
# set things up to decode first frame
self.frame = -1
self.__fp = self.fp
self.seek(0)
def _palette(self, palette, shift):
# load palette
i = 0
for e in range(i16(self.fp.read(2))):
s = self.fp.read(2)
i = i + ord(s[0])
n = ord(s[1])
if n == 0:
n = 256
s = self.fp.read(n * 3)
for n in range(0, len(s), 3):
r = ord(s[n]) << shift
g = ord(s[n+1]) << shift
b = ord(s[n+2]) << shift
palette[i] = (r, g, b)
i = i + 1
def seek(self, frame):
if frame != self.frame + 1:
raise ValueError, "cannot seek to frame %d" % frame
self.frame = frame
# move to next frame
self.fp = self.__fp
self.fp.seek(self.__offset)
s = self.fp.read(4)
if not s:
raise EOFError
framesize = i32(s)
self.decodermaxblock = framesize
self.tile = [("fli", (0,0)+self.size, self.__offset, None)]
self.__offset = self.__offset + framesize
def tell(self):
return self.frame
#
# registry
Image.register_open("FLI", FliImageFile, _accept)
Image.register_extension("FLI", ".fli")
Image.register_extension("FLI", ".flc")

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#
# The Python Imaging Library
# $Id$
#
# base class for raster font file parsers
#
# history:
# 1997-06-05 fl created
# 1997-08-19 fl restrict image width
#
# Copyright (c) 1997-1998 by Secret Labs AB
# Copyright (c) 1997-1998 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import os
import Image
import marshal
try:
import zlib
except ImportError:
zlib = None
WIDTH = 800
def puti16(fp, values):
# write network order (big-endian) 16-bit sequence
for v in values:
if v < 0:
v = v + 65536
fp.write(chr(v>>8&255) + chr(v&255))
##
# Base class for raster font file handlers.
class FontFile:
bitmap = None
def __init__(self):
self.info = {}
self.glyph = [None] * 256
def __getitem__(self, ix):
return self.glyph[ix]
def compile(self):
"Create metrics and bitmap"
if self.bitmap:
return
# create bitmap large enough to hold all data
h = w = maxwidth = 0
lines = 1
for glyph in self:
if glyph:
d, dst, src, im = glyph
h = max(h, src[3] - src[1])
w = w + (src[2] - src[0])
if w > WIDTH:
lines = lines + 1
w = (src[2] - src[0])
maxwidth = max(maxwidth, w)
xsize = maxwidth
ysize = lines * h
if xsize == 0 and ysize == 0:
return ""
self.ysize = h
# paste glyphs into bitmap
self.bitmap = Image.new("1", (xsize, ysize))
self.metrics = [None] * 256
x = y = 0
for i in range(256):
glyph = self[i]
if glyph:
d, dst, src, im = glyph
xx, yy = src[2] - src[0], src[3] - src[1]
x0, y0 = x, y
x = x + xx
if x > WIDTH:
x, y = 0, y + h
x0, y0 = x, y
x = xx
s = src[0] + x0, src[1] + y0, src[2] + x0, src[3] + y0
self.bitmap.paste(im.crop(src), s)
# print chr(i), dst, s
self.metrics[i] = d, dst, s
def save1(self, filename):
"Save font in version 1 format"
self.compile()
# font data
self.bitmap.save(os.path.splitext(filename)[0] + ".pbm", "PNG")
# font metrics
fp = open(os.path.splitext(filename)[0] + ".pil", "wb")
fp.write("PILfont\n")
fp.write(";;;;;;%d;\n" % self.ysize) # HACK!!!
fp.write("DATA\n")
for id in range(256):
m = self.metrics[id]
if not m:
puti16(fp, [0] * 10)
else:
puti16(fp, m[0] + m[1] + m[2])
fp.close()
def save2(self, filename):
"Save font in version 2 format"
# THIS IS WORK IN PROGRESS
self.compile()
data = marshal.dumps((self.metrics, self.info))
if zlib:
data = "z" + zlib.compress(data, 9)
else:
data = "u" + data
fp = open(os.path.splitext(filename)[0] + ".pil", "wb")
fp.write("PILfont2\n" + self.name + "\n" + "DATA\n")
fp.write(data)
self.bitmap.save(fp, "PNG")
fp.close()
save = save1 # for now

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#
# THIS IS WORK IN PROGRESS
#
# The Python Imaging Library.
# $Id$
#
# FlashPix support for PIL
#
# History:
# 97-01-25 fl Created (reads uncompressed RGB images only)
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1997.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.1"
import Image, ImageFile
from OleFileIO import *
# we map from colour field tuples to (mode, rawmode) descriptors
MODES = {
# opacity
(0x00007ffe): ("A", "L"),
# monochrome
(0x00010000,): ("L", "L"),
(0x00018000, 0x00017ffe): ("RGBA", "LA"),
# photo YCC
(0x00020000, 0x00020001, 0x00020002): ("RGB", "YCC;P"),
(0x00028000, 0x00028001, 0x00028002, 0x00027ffe): ("RGBA", "YCCA;P"),
# standard RGB (NIFRGB)
(0x00030000, 0x00030001, 0x00030002): ("RGB","RGB"),
(0x00038000, 0x00038001, 0x00038002, 0x00037ffe): ("RGBA","RGBA"),
}
#
# --------------------------------------------------------------------
def _accept(prefix):
return prefix[:8] == MAGIC
##
# Image plugin for the FlashPix images.
class FpxImageFile(ImageFile.ImageFile):
format = "FPX"
format_description = "FlashPix"
def _open(self):
#
# read the OLE directory and see if this is a likely
# to be a FlashPix file
try:
self.ole = OleFileIO(self.fp)
except IOError:
raise SyntaxError, "not an FPX file; invalid OLE file"
if self.ole.root.clsid != "56616700-C154-11CE-8553-00AA00A1F95B":
raise SyntaxError, "not an FPX file; bad root CLSID"
self._open_index(1)
def _open_index(self, index = 1):
#
# get the Image Contents Property Set
prop = self.ole.getproperties([
"Data Object Store %06d" % index,
"\005Image Contents"
])
# size (highest resolution)
self.size = prop[0x1000002], prop[0x1000003]
size = max(self.size)
i = 1
while size > 64:
size = size / 2
i = i + 1
self.maxid = i - 1
# mode. instead of using a single field for this, flashpix
# requires you to specify the mode for each channel in each
# resolution subimage, and leaves it to the decoder to make
# sure that they all match. for now, we'll cheat and assume
# that this is always the case.
id = self.maxid << 16
s = prop[0x2000002|id]
colors = []
for i in range(i32(s, 4)):
# note: for now, we ignore the "uncalibrated" flag
colors.append(i32(s, 8+i*4) & 0x7fffffff)
self.mode, self.rawmode = MODES[tuple(colors)]
# load JPEG tables, if any
self.jpeg = {}
for i in range(256):
id = 0x3000001|(i << 16)
if prop.has_key(id):
self.jpeg[i] = prop[id]
# print len(self.jpeg), "tables loaded"
self._open_subimage(1, self.maxid)
def _open_subimage(self, index = 1, subimage = 0):
#
# setup tile descriptors for a given subimage
stream = [
"Data Object Store %06d" % index,
"Resolution %04d" % subimage,
"Subimage 0000 Header"
]
fp = self.ole.openstream(stream)
# skip prefix
p = fp.read(28)
# header stream
s = fp.read(36)
size = i32(s, 4), i32(s, 8)
tilecount = i32(s, 12)
tilesize = i32(s, 16), i32(s, 20)
channels = i32(s, 24)
offset = i32(s, 28)
length = i32(s, 32)
# print size, self.mode, self.rawmode
if size != self.size:
raise IOError, "subimage mismatch"
# get tile descriptors
fp.seek(28 + offset)
s = fp.read(i32(s, 12) * length)
x = y = 0
xsize, ysize = size
xtile, ytile = tilesize
self.tile = []
for i in range(0, len(s), length):
compression = i32(s, i+8)
if compression == 0:
self.tile.append(("raw", (x,y,x+xtile,y+ytile),
i32(s, i) + 28, (self.rawmode)))
elif compression == 1:
# FIXME: the fill decoder is not implemented
self.tile.append(("fill", (x,y,x+xtile,y+ytile),
i32(s, i) + 28, (self.rawmode, s[12:16])))
elif compression == 2:
internal_color_conversion = ord(s[14])
jpeg_tables = ord(s[15])
rawmode = self.rawmode
if internal_color_conversion:
# The image is stored as usual (usually YCbCr).
if rawmode == "RGBA":
# For "RGBA", data is stored as YCbCrA based on
# negative RGB. The following trick works around
# this problem :
jpegmode, rawmode = "YCbCrK", "CMYK"
else:
jpegmode = None # let the decoder decide
else:
# The image is stored as defined by rawmode
jpegmode = rawmode
self.tile.append(("jpeg", (x,y,x+xtile,y+ytile),
i32(s, i) + 28, (rawmode, jpegmode)))
# FIXME: jpeg tables are tile dependent; the prefix
# data must be placed in the tile descriptor itself!
if jpeg_tables:
self.tile_prefix = self.jpeg[jpeg_tables]
else:
raise IOError, "unknown/invalid compression"
x = x + xtile
if x >= xsize:
x, y = 0, y + ytile
if y >= ysize:
break # isn't really required
self.stream = stream
self.fp = None
def load(self):
if not self.fp:
self.fp = self.ole.openstream(self.stream[:2] + ["Subimage 0000 Data"])
ImageFile.ImageFile.load(self)
#
# --------------------------------------------------------------------
Image.register_open("FPX", FpxImageFile, _accept)
Image.register_extension("FPX", ".fpx")

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#
# The Python Imaging Library
# $Id$
#
# load a GIMP brush file
#
# History:
# 96-03-14 fl Created
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1996.
#
# See the README file for information on usage and redistribution.
#
import Image, ImageFile
def i32(c):
return ord(c[3]) + (ord(c[2])<<8) + (ord(c[1])<<16) + (ord(c[0])<<24L)
def _accept(prefix):
return i32(prefix) >= 20 and i32(prefix[4:8]) == 1
##
# Image plugin for the GIMP brush format.
class GbrImageFile(ImageFile.ImageFile):
format = "GBR"
format_description = "GIMP brush file"
def _open(self):
header_size = i32(self.fp.read(4))
version = i32(self.fp.read(4))
if header_size < 20 or version != 1:
raise SyntaxError, "not a GIMP brush"
width = i32(self.fp.read(4))
height = i32(self.fp.read(4))
bytes = i32(self.fp.read(4))
if width <= 0 or height <= 0 or bytes != 1:
raise SyntaxError, "not a GIMP brush"
comment = self.fp.read(header_size - 20)[:-1]
self.mode = "L"
self.size = width, height
self.info["comment"] = comment
# Since the brush is so small, we read the data immediately
self.data = self.fp.read(width * height)
def load(self):
if not self.data:
return
# create an image out of the brush data block
self.im = Image.core.new(self.mode, self.size)
self.im.fromstring(self.data)
self.data = ""
#
# registry
Image.register_open("GBR", GbrImageFile, _accept)
Image.register_extension("GBR", ".gbr")

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#
# The Python Imaging Library.
# $Id$
#
# GD file handling
#
# History:
# 1996-04-12 fl Created
#
# Copyright (c) 1997 by Secret Labs AB.
# Copyright (c) 1996 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
# NOTE: This format cannot be automatically recognized, so the
# class is not registered for use with Image.open(). To open a
# gd file, use the GdImageFile.open() function instead.
# THE GD FORMAT IS NOT DESIGNED FOR DATA INTERCHANGE. This
# implementation is provided for convenience and demonstrational
# purposes only.
__version__ = "0.1"
import ImageFile, ImagePalette
def i16(c):
return ord(c[1]) + (ord(c[0])<<8)
##
# Image plugin for the GD uncompressed format. Note that this format
# is not supported by the standard <b>Image.open</b> function. To use
# this plugin, you have to import the <b>GdImageFile</b> module and
# use the <b>GdImageFile.open</b> function.
class GdImageFile(ImageFile.ImageFile):
format = "GD"
format_description = "GD uncompressed images"
def _open(self):
# Header
s = self.fp.read(775)
self.mode = "L" # FIXME: "P"
self.size = i16(s[0:2]), i16(s[2:4])
# transparency index
tindex = i16(s[5:7])
if tindex < 256:
self.info["transparent"] = tindex
self.palette = ImagePalette.raw("RGB", s[7:])
self.tile = [("raw", (0,0)+self.size, 775, ("L", 0, -1))]
##
# Load texture from a GD image file.
#
# @param filename GD file name, or an opened file handle.
# @param mode Optional mode. In this version, if the mode argument
# is given, it must be "r".
# @return An image instance.
# @exception IOError If the image could not be read.
def open(fp, mode = "r"):
if mode != "r":
raise ValueError("bad mode")
if type(fp) == type(""):
import __builtin__
filename = fp
fp = __builtin__.open(fp, "rb")
else:
filename = ""
try:
return GdImageFile(fp, filename)
except SyntaxError:
raise IOError("cannot identify this image file")

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#
# The Python Imaging Library.
# $Id$
#
# GIF file handling
#
# History:
# 1995-09-01 fl Created
# 1996-12-14 fl Added interlace support
# 1996-12-30 fl Added animation support
# 1997-01-05 fl Added write support, fixed local colour map bug
# 1997-02-23 fl Make sure to load raster data in getdata()
# 1997-07-05 fl Support external decoder (0.4)
# 1998-07-09 fl Handle all modes when saving (0.5)
# 1998-07-15 fl Renamed offset attribute to avoid name clash
# 2001-04-16 fl Added rewind support (seek to frame 0) (0.6)
# 2001-04-17 fl Added palette optimization (0.7)
# 2002-06-06 fl Added transparency support for save (0.8)
# 2004-02-24 fl Disable interlacing for small images
#
# Copyright (c) 1997-2004 by Secret Labs AB
# Copyright (c) 1995-2004 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.9"
import Image, ImageFile, ImagePalette
# --------------------------------------------------------------------
# Helpers
def i16(c):
return ord(c[0]) + (ord(c[1])<<8)
def o16(i):
return chr(i&255) + chr(i>>8&255)
# --------------------------------------------------------------------
# Identify/read GIF files
def _accept(prefix):
return prefix[:6] in ["GIF87a", "GIF89a"]
##
# Image plugin for GIF images. This plugin supports both GIF87 and
# GIF89 images.
class GifImageFile(ImageFile.ImageFile):
format = "GIF"
format_description = "Compuserve GIF"
global_palette = None
def data(self):
s = self.fp.read(1)
if s and ord(s):
return self.fp.read(ord(s))
return None
def _open(self):
# Screen
s = self.fp.read(13)
if s[:6] not in ["GIF87a", "GIF89a"]:
raise SyntaxError, "not a GIF file"
self.info["version"] = s[:6]
self.size = i16(s[6:]), i16(s[8:])
self.tile = []
flags = ord(s[10])
bits = (flags & 7) + 1
if flags & 128:
# get global palette
self.info["background"] = ord(s[11])
# check if palette contains colour indices
p = self.fp.read(3<<bits)
for i in range(0, len(p), 3):
if not (chr(i/3) == p[i] == p[i+1] == p[i+2]):
p = ImagePalette.raw("RGB", p)
self.global_palette = self.palette = p
break
self.__fp = self.fp # FIXME: hack
self.__rewind = self.fp.tell()
self.seek(0) # get ready to read first frame
def seek(self, frame):
if frame == 0:
# rewind
self.__offset = 0
self.dispose = None
self.__frame = -1
self.__fp.seek(self.__rewind)
if frame != self.__frame + 1:
raise ValueError, "cannot seek to frame %d" % frame
self.__frame = frame
self.tile = []
self.fp = self.__fp
if self.__offset:
# backup to last frame
self.fp.seek(self.__offset)
while self.data():
pass
self.__offset = 0
if self.dispose:
self.im = self.dispose
self.dispose = None
self.palette = self.global_palette
while 1:
s = self.fp.read(1)
if not s or s == ";":
break
elif s == "!":
#
# extensions
#
s = self.fp.read(1)
block = self.data()
if ord(s) == 249:
#
# graphic control extension
#
flags = ord(block[0])
if flags & 1:
self.info["transparency"] = ord(block[3])
self.info["duration"] = i16(block[1:3]) * 10
try:
# disposal methods
if flags & 8:
# replace with background colour
self.dispose = Image.core.fill("P", self.size,
self.info["background"])
elif flags & 16:
# replace with previous contents
self.dispose = self.im.copy()
except (AttributeError, KeyError):
pass
elif ord(s) == 255:
#
# application extension
#
self.info["extension"] = block, self.fp.tell()
if block[:11] == "NETSCAPE2.0":
block = self.data()
if len(block) >= 3 and ord(block[0]) == 1:
self.info["loop"] = i16(block[1:3])
while self.data():
pass
elif s == ",":
#
# local image
#
s = self.fp.read(9)
# extent
x0, y0 = i16(s[0:]), i16(s[2:])
x1, y1 = x0 + i16(s[4:]), y0 + i16(s[6:])
flags = ord(s[8])
interlace = (flags & 64) != 0
if flags & 128:
bits = (flags & 7) + 1
self.palette =\
ImagePalette.raw("RGB", self.fp.read(3<<bits))
# image data
bits = ord(self.fp.read(1))
self.__offset = self.fp.tell()
self.tile = [("gif",
(x0, y0, x1, y1),
self.__offset,
(bits, interlace))]
break
else:
pass
# raise IOError, "illegal GIF tag `%x`" % ord(s)
if not self.tile:
# self.__fp = None
raise EOFError, "no more images in GIF file"
self.mode = "L"
if self.palette:
self.mode = "P"
def tell(self):
return self.__frame
# --------------------------------------------------------------------
# Write GIF files
try:
import _imaging_gif
except ImportError:
_imaging_gif = None
RAWMODE = {
"1": "L",
"L": "L",
"P": "P",
}
def _save(im, fp, filename):
if _imaging_gif:
# call external driver
try:
_imaging_gif.save(im, fp, filename)
return
except IOError:
pass # write uncompressed file
try:
rawmode = RAWMODE[im.mode]
imOut = im
except KeyError:
# convert on the fly (EXPERIMENTAL -- I'm not sure PIL
# should automatically convert images on save...)
if Image.getmodebase(im.mode) == "RGB":
imOut = im.convert("P")
rawmode = "P"
else:
imOut = im.convert("L")
rawmode = "L"
# header
for s in getheader(imOut, im.encoderinfo):
fp.write(s)
flags = 0
try:
interlace = im.encoderinfo["interlace"]
except KeyError:
interlace = 1
# workaround for @PIL153
if min(im.size) < 16:
interlace = 0
if interlace:
flags = flags | 64
try:
transparency = im.encoderinfo["transparency"]
except KeyError:
pass
else:
# transparency extension block
fp.write("!" +
chr(249) + # extension intro
chr(4) + # length
chr(1) + # transparency info present
o16(0) + # duration
chr(int(transparency)) # transparency index
+ chr(0))
# local image header
fp.write("," +
o16(0) + o16(0) + # bounding box
o16(im.size[0]) + # size
o16(im.size[1]) +
chr(flags) + # flags
chr(8)) # bits
imOut.encoderconfig = (8, interlace)
ImageFile._save(imOut, fp, [("gif", (0,0)+im.size, 0, rawmode)])
fp.write("\0") # end of image data
fp.write(";") # end of file
try:
fp.flush()
except: pass
def _save_netpbm(im, fp, filename):
#
# If you need real GIF compression and/or RGB quantization, you
# can use the external NETPBM/PBMPLUS utilities. See comments
# below for information on how to enable this.
import os
file = im._dump()
if im.mode != "RGB":
os.system("ppmtogif %s >%s" % (file, filename))
else:
os.system("ppmquant 256 %s | ppmtogif >%s" % (file, filename))
try: os.unlink(file)
except: pass
# --------------------------------------------------------------------
# GIF utilities
def getheader(im, info=None):
"""Return a list of strings representing a GIF header"""
optimize = info and info.get("optimize", 0)
s = [
"GIF87a" + # magic
o16(im.size[0]) + # size
o16(im.size[1]) +
chr(7 + 128) + # flags: bits + palette
chr(0) + # background
chr(0) # reserved/aspect
]
if optimize:
# minimize color palette
i = 0
maxcolor = 0
for count in im.histogram():
if count:
maxcolor = i
i = i + 1
else:
maxcolor = 256
# global palette
if im.mode == "P":
# colour palette
s.append(im.im.getpalette("RGB")[:maxcolor*3])
else:
# greyscale
for i in range(maxcolor):
s.append(chr(i) * 3)
return s
def getdata(im, offset = (0, 0), **params):
"""Return a list of strings representing this image.
The first string is a local image header, the rest contains
encoded image data."""
class collector:
data = []
def write(self, data):
self.data.append(data)
im.load() # make sure raster data is available
fp = collector()
try:
im.encoderinfo = params
# local image header
fp.write("," +
o16(offset[0]) + # offset
o16(offset[1]) +
o16(im.size[0]) + # size
o16(im.size[1]) +
chr(0) + # flags
chr(8)) # bits
ImageFile._save(im, fp, [("gif", (0,0)+im.size, 0, RAWMODE[im.mode])])
fp.write("\0") # end of image data
finally:
del im.encoderinfo
return fp.data
# --------------------------------------------------------------------
# Registry
Image.register_open(GifImageFile.format, GifImageFile, _accept)
Image.register_save(GifImageFile.format, _save)
Image.register_extension(GifImageFile.format, ".gif")
Image.register_mime(GifImageFile.format, "image/gif")
#
# Uncomment the following line if you wish to use NETPBM/PBMPLUS
# instead of the built-in "uncompressed" GIF encoder
# Image.register_save(GifImageFile.format, _save_netpbm)

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#
# Python Imaging Library
# $Id$
#
# stuff to read (and render) GIMP gradient files
#
# History:
# 97-08-23 fl Created
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1997.
#
# See the README file for information on usage and redistribution.
#
from math import pi, log, sin, sqrt
import string
# --------------------------------------------------------------------
# Stuff to translate curve segments to palette values (derived from
# the corresponding code in GIMP, written by Federico Mena Quintero.
# See the GIMP distribution for more information.)
#
EPSILON = 1e-10
def linear(middle, pos):
if pos <= middle:
if middle < EPSILON:
return 0.0
else:
return 0.5 * pos / middle
else:
pos = pos - middle
middle = 1.0 - middle
if middle < EPSILON:
return 1.0
else:
return 0.5 + 0.5 * pos / middle
def curved(middle, pos):
return pos ** (log(0.5) / log(max(middle, EPSILON)))
def sine(middle, pos):
return (sin((-pi / 2.0) + pi * linear(middle, pos)) + 1.0) / 2.0
def sphere_increasing(middle, pos):
return sqrt(1.0 - (linear(middle, pos) - 1.0) ** 2)
def sphere_decreasing(middle, pos):
return 1.0 - sqrt(1.0 - linear(middle, pos) ** 2)
SEGMENTS = [ linear, curved, sine, sphere_increasing, sphere_decreasing ]
class GradientFile:
gradient = None
def getpalette(self, entries = 256):
palette = []
ix = 0
x0, x1, xm, rgb0, rgb1, segment = self.gradient[ix]
for i in range(entries):
x = i / float(entries-1)
while x1 < x:
ix = ix + 1
x0, x1, xm, rgb0, rgb1, segment = self.gradient[ix]
w = x1 - x0
if w < EPSILON:
scale = segment(0.5, 0.5)
else:
scale = segment((xm - x0) / w, (x - x0) / w)
# expand to RGBA
r = chr(int(255 * ((rgb1[0] - rgb0[0]) * scale + rgb0[0]) + 0.5))
g = chr(int(255 * ((rgb1[1] - rgb0[1]) * scale + rgb0[1]) + 0.5))
b = chr(int(255 * ((rgb1[2] - rgb0[2]) * scale + rgb0[2]) + 0.5))
a = chr(int(255 * ((rgb1[3] - rgb0[3]) * scale + rgb0[3]) + 0.5))
# add to palette
palette.append(r + g + b + a)
return string.join(palette, ""), "RGBA"
##
# File handler for GIMP's gradient format.
class GimpGradientFile(GradientFile):
def __init__(self, fp):
if fp.readline()[:13] != "GIMP Gradient":
raise SyntaxError, "not a GIMP gradient file"
count = int(fp.readline())
gradient = []
for i in range(count):
s = string.split(fp.readline())
w = map(float, s[:11])
x0, x1 = w[0], w[2]
xm = w[1]
rgb0 = w[3:7]
rgb1 = w[7:11]
segment = SEGMENTS[int(s[11])]
cspace = int(s[12])
if cspace != 0:
raise IOError, "cannot handle HSV colour space"
gradient.append((x0, x1, xm, rgb0, rgb1, segment))
self.gradient = gradient

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#
# Python Imaging Library
# $Id$
#
# stuff to read GIMP palette files
#
# History:
# 1997-08-23 fl Created
# 2004-09-07 fl Support GIMP 2.0 palette files.
#
# Copyright (c) Secret Labs AB 1997-2004. All rights reserved.
# Copyright (c) Fredrik Lundh 1997-2004.
#
# See the README file for information on usage and redistribution.
#
import re, string
##
# File handler for GIMP's palette format.
class GimpPaletteFile:
rawmode = "RGB"
def __init__(self, fp):
self.palette = map(lambda i: chr(i)*3, range(256))
if fp.readline()[:12] != "GIMP Palette":
raise SyntaxError, "not a GIMP palette file"
i = 0
while i <= 255:
s = fp.readline()
if not s:
break
# skip fields and comment lines
if re.match("\w+:|#", s):
continue
if len(s) > 100:
raise SyntaxError, "bad palette file"
v = tuple(map(int, string.split(s)[:3]))
if len(v) != 3:
raise ValueError, "bad palette entry"
if 0 <= i <= 255:
self.palette[i] = chr(v[0]) + chr(v[1]) + chr(v[2])
i = i + 1
self.palette = string.join(self.palette, "")
def getpalette(self):
return self.palette, self.rawmode

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#
# The Python Imaging Library
# $Id$
#
# GRIB stub adapter
#
# Copyright (c) 1996-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image, ImageFile
_handler = None
##
# Install application-specific GRIB image handler.
#
# @param handler Handler object.
def register_handler(handler):
global _handler
_handler = handler
# --------------------------------------------------------------------
# Image adapter
def _accept(prefix):
return prefix[0:4] == "GRIB" and prefix[7] == chr(1)
class GribStubImageFile(ImageFile.StubImageFile):
format = "GRIB"
format_description = "GRIB"
def _open(self):
offset = self.fp.tell()
if not _accept(self.fp.read(8)):
raise SyntaxError("Not a GRIB file")
self.fp.seek(offset)
# make something up
self.mode = "F"
self.size = 1, 1
loader = self._load()
if loader:
loader.open(self)
def _load(self):
return _handler
def _save(im, fp, filename):
if _handler is None or not hasattr("_handler", "save"):
raise IOError("GRIB save handler not installed")
_handler.save(im, fp, filename)
# --------------------------------------------------------------------
# Registry
Image.register_open(GribStubImageFile.format, GribStubImageFile, _accept)
Image.register_save(GribStubImageFile.format, _save)
Image.register_extension(GribStubImageFile.format, ".grib")

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#
# The Python Imaging Library
# $Id$
#
# HDF5 stub adapter
#
# Copyright (c) 2000-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image, ImageFile
_handler = None
##
# Install application-specific HDF5 image handler.
#
# @param handler Handler object.
def register_handler(handler):
global _handler
_handler = handler
# --------------------------------------------------------------------
# Image adapter
def _accept(prefix):
return prefix[:8] == "\x89HDF\r\n\x1a\n"
class HDF5StubImageFile(ImageFile.StubImageFile):
format = "HDF5"
format_description = "HDF5"
def _open(self):
offset = self.fp.tell()
if not _accept(self.fp.read(8)):
raise SyntaxError("Not an HDF file")
self.fp.seek(offset)
# make something up
self.mode = "F"
self.size = 1, 1
loader = self._load()
if loader:
loader.open(self)
def _load(self):
return _handler
def _save(im, fp, filename):
if _handler is None or not hasattr("_handler", "save"):
raise IOError("HDF5 save handler not installed")
_handler.save(im, fp, filename)
# --------------------------------------------------------------------
# Registry
Image.register_open(HDF5StubImageFile.format, HDF5StubImageFile, _accept)
Image.register_save(HDF5StubImageFile.format, _save)
Image.register_extension(HDF5StubImageFile.format, ".h5")
Image.register_extension(HDF5StubImageFile.format, ".hdf")

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#
# The Python Imaging Library.
# $Id$
#
# Mac OS X icns file decoder, based on icns.py by Bob Ippolito.
#
# history:
# 2004-10-09 fl Turned into a PIL plugin; removed 2.3 dependencies.
#
# Copyright (c) 2004 by Bob Ippolito.
# Copyright (c) 2004 by Secret Labs.
# Copyright (c) 2004 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
import Image, ImageFile
import string, struct
HEADERSIZE = 8
def nextheader(fobj):
return struct.unpack('>4sI', fobj.read(HEADERSIZE))
def read_32t(fobj, (start, length), (width, height)):
# The 128x128 icon seems to have an extra header for some reason.
fobj.seek(start)
sig = fobj.read(4)
if sig != '\x00\x00\x00\x00':
raise SyntaxError, 'Unknown signature, expecting 0x00000000'
return read_32(fobj, (start + 4, length - 4), (width, height))
def read_32(fobj, (start, length), size):
"""
Read a 32bit RGB icon resource. Seems to be either uncompressed or
an RLE packbits-like scheme.
"""
fobj.seek(start)
sizesq = size[0] * size[1]
if length == sizesq * 3:
# uncompressed ("RGBRGBGB")
indata = fobj.read(length)
im = Image.frombuffer("RGB", size, indata, "raw", "RGB", 0, 1)
else:
# decode image
im = Image.new("RGB", size, None)
for band_ix in range(3):
data = []
bytesleft = sizesq
while bytesleft > 0:
byte = fobj.read(1)
if not byte:
break
byte = ord(byte)
if byte & 0x80:
blocksize = byte - 125
byte = fobj.read(1)
for i in range(blocksize):
data.append(byte)
else:
blocksize = byte + 1
data.append(fobj.read(blocksize))
bytesleft = bytesleft - blocksize
if bytesleft <= 0:
break
if bytesleft != 0:
raise SyntaxError(
"Error reading channel [%r left]" % bytesleft
)
band = Image.frombuffer(
"L", size, string.join(data, ""), "raw", "L", 0, 1
)
im.im.putband(band.im, band_ix)
return {"RGB": im}
def read_mk(fobj, (start, length), size):
# Alpha masks seem to be uncompressed
fobj.seek(start)
band = Image.frombuffer(
"L", size, fobj.read(size[0]*size[1]), "raw", "L", 0, 1
)
return {"A": band}
class IcnsFile:
SIZES = {
(128, 128): [
('it32', read_32t),
('t8mk', read_mk),
],
(48, 48): [
('ih32', read_32),
('h8mk', read_mk),
],
(32, 32): [
('il32', read_32),
('l8mk', read_mk),
],
(16, 16): [
('is32', read_32),
('s8mk', read_mk),
],
}
def __init__(self, fobj):
"""
fobj is a file-like object as an icns resource
"""
# signature : (start, length)
self.dct = dct = {}
self.fobj = fobj
sig, filesize = nextheader(fobj)
if sig != 'icns':
raise SyntaxError, 'not an icns file'
i = HEADERSIZE
while i < filesize:
sig, blocksize = nextheader(fobj)
i = i + HEADERSIZE
blocksize = blocksize - HEADERSIZE
dct[sig] = (i, blocksize)
fobj.seek(blocksize, 1)
i = i + blocksize
def itersizes(self):
sizes = []
for size, fmts in self.SIZES.items():
for (fmt, reader) in fmts:
if self.dct.has_key(fmt):
sizes.append(size)
break
return sizes
def bestsize(self):
sizes = self.itersizes()
if not sizes:
raise SyntaxError, "No 32bit icon resources found"
return max(sizes)
def dataforsize(self, size):
"""
Get an icon resource as {channel: array}. Note that
the arrays are bottom-up like windows bitmaps and will likely
need to be flipped or transposed in some way.
"""
dct = {}
for code, reader in self.SIZES[size]:
desc = self.dct.get(code)
if desc is not None:
dct.update(reader(self.fobj, desc, size))
return dct
def getimage(self, size=None):
if size is None:
size = self.bestsize()
channels = self.dataforsize(size)
im = channels.get("RGB").copy()
try:
im.putalpha(channels["A"])
except KeyError:
pass
return im
##
# Image plugin for Mac OS icons.
class IcnsImageFile(ImageFile.ImageFile):
"""
PIL read-only image support for Mac OS .icns files.
Chooses the best resolution, but will possibly load
a different size image if you mutate the size attribute
before calling 'load'.
The info dictionary has a key 'sizes' that is a list
of sizes that the icns file has.
"""
format = "ICNS"
format_description = "Mac OS icns resource"
def _open(self):
self.icns = IcnsFile(self.fp)
self.mode = 'RGBA'
self.size = self.icns.bestsize()
self.info['sizes'] = self.icns.itersizes()
# Just use this to see if it's loaded or not yet.
self.tile = ('',)
def load(self):
Image.Image.load(self)
if not self.tile:
return
self.load_prepare()
# This is likely NOT the best way to do it, but whatever.
im = self.icns.getimage(self.size)
self.im = im.im
self.mode = im.mode
self.size = im.size
self.fp = None
self.icns = None
self.tile = ()
self.load_end()
Image.register_open("ICNS", IcnsImageFile, lambda x: x[:4] == 'icns')
Image.register_extension("ICNS", '.icns')
if __name__ == '__main__':
import os, sys
im = Image.open(open(sys.argv[1], "rb"))
im.save("out.png")
os.startfile("out.png")

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#
# The Python Imaging Library.
# $Id$
#
# Windows Icon support for PIL
#
# Notes:
# uses BmpImagePlugin.py to read the bitmap data.
#
# History:
# 96-05-27 fl Created
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1996.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.1"
import Image, BmpImagePlugin
#
# --------------------------------------------------------------------
def i16(c):
return ord(c[0]) + (ord(c[1])<<8)
def i32(c):
return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
def _accept(prefix):
return prefix[:4] == "\0\0\1\0"
##
# Image plugin for Windows Icon files.
class IcoImageFile(BmpImagePlugin.BmpImageFile):
format = "ICO"
format_description = "Windows Icon"
def _open(self):
# check magic
s = self.fp.read(6)
if not _accept(s):
raise SyntaxError, "not an ICO file"
# pick the largest icon in the file
m = ""
for i in range(i16(s[4:])):
s = self.fp.read(16)
if not m:
m = s
elif ord(s[0]) > ord(m[0]) and ord(s[1]) > ord(m[1]):
m = s
#print "width", ord(s[0])
#print "height", ord(s[1])
#print "colors", ord(s[2])
#print "reserved", ord(s[3])
#print "planes", i16(s[4:])
#print "bitcount", i16(s[6:])
#print "bytes", i32(s[8:])
#print "offset", i32(s[12:])
# load as bitmap
self._bitmap(i32(m[12:]))
# patch up the bitmap height
self.size = self.size[0], self.size[1]/2
d, e, o, a = self.tile[0]
self.tile[0] = d, (0,0)+self.size, o, a
return
#
# --------------------------------------------------------------------
Image.register_open("ICO", IcoImageFile, _accept)
Image.register_extension("ICO", ".ico")

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#
# The Python Imaging Library.
# $Id$
#
# IFUNC IM file handling for PIL
#
# history:
# 1995-09-01 fl Created.
# 1997-01-03 fl Save palette images
# 1997-01-08 fl Added sequence support
# 1997-01-23 fl Added P and RGB save support
# 1997-05-31 fl Read floating point images
# 1997-06-22 fl Save floating point images
# 1997-08-27 fl Read and save 1-bit images
# 1998-06-25 fl Added support for RGB+LUT images
# 1998-07-02 fl Added support for YCC images
# 1998-07-15 fl Renamed offset attribute to avoid name clash
# 1998-12-29 fl Added I;16 support
# 2001-02-17 fl Use 're' instead of 'regex' (Python 2.1) (0.7)
# 2003-09-26 fl Added LA/PA support
#
# Copyright (c) 1997-2003 by Secret Labs AB.
# Copyright (c) 1995-2001 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
__version__ = "0.7"
import re, string
import Image, ImageFile, ImagePalette
# --------------------------------------------------------------------
# Standard tags
COMMENT = "Comment"
DATE = "Date"
EQUIPMENT = "Digitalization equipment"
FRAMES = "File size (no of images)"
LUT = "Lut"
NAME = "Name"
SCALE = "Scale (x,y)"
SIZE = "Image size (x*y)"
MODE = "Image type"
TAGS = { COMMENT:0, DATE:0, EQUIPMENT:0, FRAMES:0, LUT:0, NAME:0,
SCALE:0, SIZE:0, MODE:0 }
OPEN = {
# ifunc93/p3cfunc formats
"0 1 image": ("1", "1"),
"L 1 image": ("1", "1"),
"Greyscale image": ("L", "L"),
"Grayscale image": ("L", "L"),
"RGB image": ("RGB", "RGB;L"),
"RLB image": ("RGB", "RLB"),
"RYB image": ("RGB", "RLB"),
"B1 image": ("1", "1"),
"B2 image": ("P", "P;2"),
"B4 image": ("P", "P;4"),
"X 24 image": ("RGB", "RGB"),
"L 32 S image": ("I", "I;32"),
"L 32 F image": ("F", "F;32"),
# old p3cfunc formats
"RGB3 image": ("RGB", "RGB;T"),
"RYB3 image": ("RGB", "RYB;T"),
# extensions
"LA image": ("LA", "LA;L"),
"RGBA image": ("RGBA", "RGBA;L"),
"RGBX image": ("RGBX", "RGBX;L"),
"CMYK image": ("CMYK", "CMYK;L"),
"YCC image": ("YCbCr", "YCbCr;L"),
}
# ifunc95 extensions
for i in ["8", "8S", "16", "16S", "32", "32F"]:
OPEN["L %s image" % i] = ("F", "F;%s" % i)
OPEN["L*%s image" % i] = ("F", "F;%s" % i)
for i in ["16", "16L", "16B"]:
OPEN["L %s image" % i] = ("I;%s" % i, "I;%s" % i)
OPEN["L*%s image" % i] = ("I;%s" % i, "I;%s" % i)
for i in ["32S"]:
OPEN["L %s image" % i] = ("I", "I;%s" % i)
OPEN["L*%s image" % i] = ("I", "I;%s" % i)
for i in range(2, 33):
OPEN["L*%s image" % i] = ("F", "F;%s" % i)
# --------------------------------------------------------------------
# Read IM directory
split = re.compile(r"^([A-Za-z][^:]*):[ \t]*(.*)[ \t]*$")
def number(s):
try:
return int(s)
except ValueError:
return float(s)
##
# Image plugin for the IFUNC IM file format.
class ImImageFile(ImageFile.ImageFile):
format = "IM"
format_description = "IFUNC Image Memory"
def _open(self):
# Quick rejection: if there's not an LF among the first
# 100 bytes, this is (probably) not a text header.
if not "\n" in self.fp.read(100):
raise SyntaxError, "not an IM file"
self.fp.seek(0)
n = 0
# Default values
self.info[MODE] = "L"
self.info[SIZE] = (512, 512)
self.info[FRAMES] = 1
self.rawmode = "L"
while 1:
s = self.fp.read(1)
# Some versions of IFUNC uses \n\r instead of \r\n...
if s == "\r":
continue
if not s or s[0] == chr(0) or s[0] == chr(26):
break
# FIXME: this may read whole file if not a text file
s = s + self.fp.readline()
if len(s) > 100:
raise SyntaxError, "not an IM file"
if s[-2:] == '\r\n':
s = s[:-2]
elif s[-1:] == '\n':
s = s[:-1]
try:
m = split.match(s)
except re.error, v:
raise SyntaxError, "not an IM file"
if m:
k, v = m.group(1,2)
# Convert value as appropriate
if k in [FRAMES, SCALE, SIZE]:
v = string.replace(v, "*", ",")
v = tuple(map(number, string.split(v, ",")))
if len(v) == 1:
v = v[0]
elif k == MODE and OPEN.has_key(v):
v, self.rawmode = OPEN[v]
# Add to dictionary. Note that COMMENT tags are
# combined into a list of strings.
if k == COMMENT:
if self.info.has_key(k):
self.info[k].append(v)
else:
self.info[k] = [v]
else:
self.info[k] = v
if TAGS.has_key(k):
n = n + 1
else:
raise SyntaxError, "Syntax error in IM header: " + s
if not n:
raise SyntaxError, "Not an IM file"
# Basic attributes
self.size = self.info[SIZE]
self.mode = self.info[MODE]
# Skip forward to start of image data
while s and s[0] != chr(26):
s = self.fp.read(1)
if not s:
raise SyntaxError, "File truncated"
if self.info.has_key(LUT):
# convert lookup table to palette or lut attribute
palette = self.fp.read(768)
greyscale = 1 # greyscale palette
linear = 1 # linear greyscale palette
for i in range(256):
if palette[i] == palette[i+256] == palette[i+512]:
if palette[i] != chr(i):
linear = 0
else:
greyscale = 0
if self.mode == "L" or self.mode == "LA":
if greyscale:
if not linear:
self.lut = map(ord, palette[:256])
else:
if self.mode == "L":
self.mode = self.rawmode = "P"
elif self.mode == "LA":
self.mode = self.rawmode = "PA"
self.palette = ImagePalette.raw("RGB;L", palette)
elif self.mode == "RGB":
if not greyscale or not linear:
self.lut = map(ord, palette)
self.frame = 0
self.__offset = offs = self.fp.tell()
self.__fp = self.fp # FIXME: hack
if self.rawmode[:2] == "F;":
# ifunc95 formats
try:
# use bit decoder (if necessary)
bits = int(self.rawmode[2:])
if bits not in [8, 16, 32]:
self.tile = [("bit", (0,0)+self.size, offs,
(bits, 8, 3, 0, -1))]
return
except ValueError:
pass
if self.rawmode in ["RGB;T", "RYB;T"]:
# Old LabEye/3PC files. Would be very surprised if anyone
# ever stumbled upon such a file ;-)
size = self.size[0] * self.size[1]
self.tile = [("raw", (0,0)+self.size, offs, ("G", 0, -1)),
("raw", (0,0)+self.size, offs+size, ("R", 0, -1)),
("raw", (0,0)+self.size, offs+2*size, ("B", 0, -1))]
else:
# LabEye/IFUNC files
self.tile = [("raw", (0,0)+self.size, offs, (self.rawmode, 0, -1))]
def seek(self, frame):
if frame < 0 or frame >= self.info[FRAMES]:
raise EOFError, "seek outside sequence"
if self.frame == frame:
return
self.frame = frame
if self.mode == "1":
bits = 1
else:
bits = 8 * len(self.mode)
size = ((self.size[0] * bits + 7) / 8) * self.size[1]
offs = self.__offset + frame * size
self.fp = self.__fp
self.tile = [("raw", (0,0)+self.size, offs, (self.rawmode, 0, -1))]
def tell(self):
return self.frame
#
# --------------------------------------------------------------------
# Save IM files
SAVE = {
# mode: (im type, raw mode)
"1": ("0 1", "1"),
"L": ("Greyscale", "L"),
"LA": ("LA", "LA;L"),
"P": ("Greyscale", "P"),
"PA": ("LA", "PA;L"),
"I": ("L 32S", "I;32S"),
"I;16": ("L 16", "I;16"),
"I;16L": ("L 16L", "I;16L"),
"I;16B": ("L 16B", "I;16B"),
"F": ("L 32F", "F;32F"),
"RGB": ("RGB", "RGB;L"),
"RGBA": ("RGBA", "RGBA;L"),
"RGBX": ("RGBX", "RGBX;L"),
"CMYK": ("CMYK", "CMYK;L"),
"YCbCr": ("YCC", "YCbCr;L")
}
def _save(im, fp, filename, check=0):
try:
type, rawmode = SAVE[im.mode]
except KeyError:
raise ValueError, "Cannot save %s images as IM" % im.mode
try:
frames = im.encoderinfo["frames"]
except KeyError:
frames = 1
if check:
return check
fp.write("Image type: %s image\r\n" % type)
if filename:
fp.write("Name: %s\r\n" % filename)
fp.write("Image size (x*y): %d*%d\r\n" % im.size)
fp.write("File size (no of images): %d\r\n" % frames)
if im.mode == "P":
fp.write("Lut: 1\r\n")
fp.write("\000" * (511-fp.tell()) + "\032")
if im.mode == "P":
fp.write(im.im.getpalette("RGB", "RGB;L")) # 768 bytes
ImageFile._save(im, fp, [("raw", (0,0)+im.size, 0, (rawmode, 0, -1))])
#
# --------------------------------------------------------------------
# Registry
Image.register_open("IM", ImImageFile)
Image.register_save("IM", _save)
Image.register_extension("IM", ".im")

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#
# The Python Imaging Library.
# $Id$
#
# standard channel operations
#
# History:
# 1996-03-24 fl Created
# 1996-08-13 fl Added logical operations (for "1" images)
# 2000-10-12 fl Added offset method (from Image.py)
#
# Copyright (c) 1997-2000 by Secret Labs AB
# Copyright (c) 1996-2000 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image
##
# The <b>ImageChops</b> module contains a number of arithmetical image
# operations, called <i>channel operations</i> ("chops"). These can be
# used for various purposes, including special effects, image
# compositions, algorithmic painting, and more.
# <p>
# At this time, channel operations are only implemented for 8-bit
# images (e.g. &quot;L&quot; and &quot;RGB&quot;).
# <p>
# Most channel operations take one or two image arguments and returns
# a new image. Unless otherwise noted, the result of a channel
# operation is always clipped to the range 0 to MAX (which is 255 for
# all modes supported by the operations in this module).
##
##
# Return an image with the same size as the given image, but filled
# with the given pixel value.
#
# @param image Reference image.
# @param value Pixel value.
# @return An image object.
def constant(image, value):
"Fill a channel with a given grey level"
return Image.new("L", image.size, value)
##
# Copy image.
#
# @param image Source image.
# @return A copy of the source image.
def duplicate(image):
"Create a copy of a channel"
return image.copy()
##
# Inverts an image
# (MAX - image).
#
# @param image Source image.
# @return An image object.
def invert(image):
"Invert a channel"
image.load()
return image._new(image.im.chop_invert())
##
# Compare images, and return lighter pixel value
# (max(image1, image2)).
# <p>
# Compares the two images, pixel by pixel, and returns a new image
# containing the lighter values.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def lighter(image1, image2):
"Select the lighter pixels from each image"
image1.load()
image2.load()
return image1._new(image1.im.chop_lighter(image2.im))
##
# Compare images, and return darker pixel value
# (min(image1, image2)).
# <p>
# Compares the two images, pixel by pixel, and returns a new image
# containing the darker values.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def darker(image1, image2):
"Select the darker pixels from each image"
image1.load()
image2.load()
return image1._new(image1.im.chop_darker(image2.im))
##
# Calculate absolute difference
# (abs(image1 - image2)).
# <p>
# Returns the absolute value of the difference between the two images.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def difference(image1, image2):
"Subtract one image from another"
image1.load()
image2.load()
return image1._new(image1.im.chop_difference(image2.im))
##
# Superimpose positive images
# (image1 * image2 / MAX).
# <p>
# Superimposes two images on top of each other. If you multiply an
# image with a solid black image, the result is black. If you multiply
# with a solid white image, the image is unaffected.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def multiply(image1, image2):
"Superimpose two positive images"
image1.load()
image2.load()
return image1._new(image1.im.chop_multiply(image2.im))
##
# Superimpose negative images
# (MAX - ((MAX - image1) * (MAX - image2) / MAX)).
# <p>
# Superimposes two inverted images on top of each other.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def screen(image1, image2):
"Superimpose two negative images"
image1.load()
image2.load()
return image1._new(image1.im.chop_screen(image2.im))
##
# Add images
# ((image1 + image2) / scale + offset).
# <p>
# Adds two images, dividing the result by scale and adding the
# offset. If omitted, scale defaults to 1.0, and offset to 0.0.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def add(image1, image2, scale=1.0, offset=0):
"Add two images"
image1.load()
image2.load()
return image1._new(image1.im.chop_add(image2.im, scale, offset))
##
# Subtract images
# ((image1 - image2) / scale + offset).
# <p>
# Subtracts two images, dividing the result by scale and adding the
# offset. If omitted, scale defaults to 1.0, and offset to 0.0.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def subtract(image1, image2, scale=1.0, offset=0):
"Subtract two images"
image1.load()
image2.load()
return image1._new(image1.im.chop_subtract(image2.im, scale, offset))
##
# Add images without clipping
# ((image1 + image2) % MAX).
# <p>
# Adds two images, without clipping the result.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def add_modulo(image1, image2):
"Add two images without clipping"
image1.load()
image2.load()
return image1._new(image1.im.chop_add_modulo(image2.im))
##
# Subtract images without clipping
# ((image1 - image2) % MAX).
# <p>
# Subtracts two images, without clipping the result.
#
# @param image1 First image.
# @param image1 Second image.
# @return An image object.
def subtract_modulo(image1, image2):
"Subtract two images without clipping"
image1.load()
image2.load()
return image1._new(image1.im.chop_subtract_modulo(image2.im))
##
# Logical AND
# (image1 and image2).
def logical_and(image1, image2):
"Logical and between two images"
image1.load()
image2.load()
return image1._new(image1.im.chop_and(image2.im))
##
# Logical OR
# (image1 or image2).
def logical_or(image1, image2):
"Logical or between two images"
image1.load()
image2.load()
return image1._new(image1.im.chop_or(image2.im))
##
# Logical XOR
# (image1 xor image2).
def logical_xor(image1, image2):
"Logical xor between two images"
image1.load()
image2.load()
return image1._new(image1.im.chop_xor(image2.im))
##
# Blend images using constant transparency weight.
# <p>
# Same as the <b>blend</b> function in the <b>Image</b> module.
def blend(image1, image2, alpha):
"Blend two images using a constant transparency weight"
return Image.blend(image1, image2, alpha)
##
# Create composite using transparency mask.
# <p>
# Same as the <b>composite</b> function in the <b>Image</b> module.
def composite(image1, image2, mask):
"Create composite image by blending images using a transparency mask"
return Image.composite(image1, image2, mask)
##
# Offset image data.
# <p>
# Returns a copy of the image where data has been offset by the given
# distances. Data wraps around the edges. If yoffset is omitted, it
# is assumed to be equal to xoffset.
#
# @param image Source image.
# @param xoffset The horizontal distance.
# @param yoffset The vertical distance. If omitted, both
# distances are set to the same value.
# @return An Image object.
def offset(image, xoffset, yoffset=None):
"Offset image in horizontal and/or vertical direction"
if yoffset is None:
yoffset = xoffset
image.load()
return image._new(image.im.offset(xoffset, yoffset))

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#
# The Python Imaging Library.
# $Id$
#
# optional color managment support, based on Kevin Cazabon's PyCMS
# library.
#
# History:
# 2009-03-08 fl Added to PIL.
#
# Copyright (C) 2002-2003 Kevin Cazabon
# Copyright (c) 2009 by Fredrik Lundh
#
# See the README file for information on usage and redistribution. See
# below for the original description.
#
DESCRIPTION = """
pyCMS
a Python / PIL interface to the littleCMS ICC Color Management System
Copyright (C) 2002-2003 Kevin Cazabon
kevin@cazabon.com
http://www.cazabon.com
pyCMS home page: http://www.cazabon.com/pyCMS
littleCMS home page: http://www.littlecms.com
(littleCMS is Copyright (C) 1998-2001 Marti Maria)
Originally released under LGPL. Graciously donated to PIL in
March 2009, for distribution under the standard PIL license
The pyCMS.py module provides a "clean" interface between Python/PIL and
pyCMSdll, taking care of some of the more complex handling of the direct
pyCMSdll functions, as well as error-checking and making sure that all
relevant data is kept together.
While it is possible to call pyCMSdll functions directly, it's not highly
recommended.
Version History:
0.1.0 pil mod March 10, 2009
Renamed display profile to proof profile. The proof
profile is the profile of the device that is being
simulated, not the profile of the device which is
actually used to display/print the final simulation
(that'd be the output profile) - also see LCMSAPI.txt
input colorspace -> using 'renderingIntent' -> proof
colorspace -> using 'proofRenderingIntent' -> output
colorspace
Added LCMS FLAGS support.
Added FLAGS["SOFTPROOFING"] as default flag for
buildProofTransform (otherwise the proof profile/intent
would be ignored).
0.1.0 pil March 2009 - added to PIL, as PIL.ImageCms
0.0.2 alpha Jan 6, 2002
Added try/except statements arount type() checks of
potential CObjects... Python won't let you use type()
on them, and raises a TypeError (stupid, if you ask me!)
Added buildProofTransformFromOpenProfiles() function.
Additional fixes in DLL, see DLL code for details.
0.0.1 alpha first public release, Dec. 26, 2002
Known to-do list with current version (of Python interface, not pyCMSdll):
none
"""
VERSION = "0.1.0 pil"
# --------------------------------------------------------------------.
import Image
import _imagingcms
core = _imagingcms
#
# intent/direction values
INTENT_PERCEPTUAL = 0
INTENT_RELATIVE_COLORIMETRIC = 1
INTENT_SATURATION = 2
INTENT_ABSOLUTE_COLORIMETRIC = 3
DIRECTION_INPUT = 0
DIRECTION_OUTPUT = 1
DIRECTION_PROOF = 2
#
# flags
FLAGS = {
"MATRIXINPUT": 1,
"MATRIXOUTPUT": 2,
"MATRIXONLY": (1|2),
"NOWHITEONWHITEFIXUP": 4, # Don't hot fix scum dot
"NOPRELINEARIZATION": 16, # Don't create prelinearization tables on precalculated transforms (internal use)
"GUESSDEVICECLASS": 32, # Guess device class (for transform2devicelink)
"NOTCACHE": 64, # Inhibit 1-pixel cache
"NOTPRECALC": 256,
"NULLTRANSFORM": 512, # Don't transform anyway
"HIGHRESPRECALC": 1024, # Use more memory to give better accurancy
"LOWRESPRECALC": 2048, # Use less memory to minimize resouces
"WHITEBLACKCOMPENSATION": 8192,
"BLACKPOINTCOMPENSATION": 8192,
"GAMUTCHECK": 4096, # Out of Gamut alarm
"SOFTPROOFING": 16384, # Do softproofing
"PRESERVEBLACK": 32768, # Black preservation
"NODEFAULTRESOURCEDEF": 16777216, # CRD special
"GRIDPOINTS": lambda n: ((n) & 0xFF) << 16 # Gridpoints
}
_MAX_FLAG = 0
for flag in FLAGS.values():
if isinstance(flag, type(0)):
_MAX_FLAG = _MAX_FLAG | flag
# --------------------------------------------------------------------.
# Experimental PIL-level API
# --------------------------------------------------------------------.
##
# Profile.
class ImageCmsProfile:
def __init__(self, profile):
# accepts a string (filename), a file-like object, or a low-level
# profile object
if Image.isStringType(profile):
self._set(core.profile_open(profile), profile)
elif hasattr(profile, "read"):
self._set(core.profile_fromstring(profile.read()))
else:
self._set(profile) # assume it's already a profile
def _set(self, profile, filename=None):
self.profile = profile
self.filename = filename
if profile:
self.product_name = profile.product_name
self.product_info = profile.product_info
else:
self.product_name = None
self.product_info = None
##
# Transform. This can be used with the procedural API, or with the
# standard {@link Image.point} method.
class ImageCmsTransform(Image.ImagePointHandler):
def __init__(self, input, output, input_mode, output_mode,
intent=INTENT_PERCEPTUAL,
proof=None, proof_intent=INTENT_ABSOLUTE_COLORIMETRIC, flags=0):
if proof is None:
self.transform = core.buildTransform(
input.profile, output.profile,
input_mode, output_mode,
intent,
flags
)
else:
self.transform = core.buildProofTransform(
input.profile, output.profile, proof.profile,
input_mode, output_mode,
intent, proof_intent,
flags
)
# Note: inputMode and outputMode are for pyCMS compatibility only
self.input_mode = self.inputMode = input_mode
self.output_mode = self.outputMode = output_mode
def point(self, im):
return self.apply(im)
def apply(self, im, imOut=None):
im.load()
if imOut is None:
imOut = Image.new(self.output_mode, im.size, None)
result = self.transform.apply(im.im.id, imOut.im.id)
return imOut
def apply_in_place(self, im):
im.load()
if im.mode != self.output_mode:
raise ValueError("mode mismatch") # wrong output mode
result = self.transform.apply(im.im.id, im.im.id)
return im
##
# (experimental) Fetches the profile for the current display device.
# Returns None if the profile is not known.
def get_display_profile(handle=None):
import sys
if sys.platform == "win32":
import ImageWin
if isinstance(handle, ImageWin.HDC):
profile = core.get_display_profile_win32(handle, 1)
else:
profile = core.get_display_profile_win32(handle or 0)
else:
try:
get = _imagingcms.get_display_profile
except AttributeError:
return None
else:
profile = get()
return ImageCmsProfile(profile)
# --------------------------------------------------------------------.
# pyCMS compatible layer
# --------------------------------------------------------------------.
##
# (pyCMS) Exception class. This is used for all errors in the pyCMS API.
class PyCMSError(Exception):
pass
##
# (pyCMS) Applies an ICC transformation to a given image, mapping from
# inputProfile to outputProfile.
def profileToProfile(im, inputProfile, outputProfile, renderingIntent=INTENT_PERCEPTUAL, outputMode=None, inPlace=0, flags=0):
"""
ImageCms.profileToProfile(im, inputProfile, outputProfile,
[renderingIntent], [outputMode], [inPlace])
Returns either None or a new PIL image object, depending on value of
inPlace (see below).
im = an open PIL image object (i.e. Image.new(...) or
Image.open(...), etc.)
inputProfile = string, as a valid filename path to the ICC input
profile you wish to use for this image, or a profile object
outputProfile = string, as a valid filename path to the ICC output
profile you wish to use for this image, or a profile object
renderingIntent = integer (0-3) specifying the rendering intent you
wish to use for the transform
INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL)
INTENT_RELATIVE_COLORIMETRIC =1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC)
INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION)
INTENT_ABSOLUTE_COLORIMETRIC =3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC)
see the pyCMS documentation for details on rendering intents and
what they do.
outputMode = a valid PIL mode for the output image (i.e. "RGB", "CMYK",
etc.). Note: if rendering the image "inPlace", outputMode MUST be
the same mode as the input, or omitted completely. If omitted, the
outputMode will be the same as the mode of the input image (im.mode)
inPlace = BOOL (1 = TRUE, None or 0 = FALSE). If TRUE, the original
image is modified in-place, and None is returned. If FALSE
(default), a new Image object is returned with the transform
applied.
flags = integer (0-...) specifying additional flags
If the input or output profiles specified are not valid filenames, a
PyCMSError will be raised. If inPlace == TRUE and outputMode != im.mode,
a PyCMSError will be raised. If an error occurs during application of
the profiles, a PyCMSError will be raised. If outputMode is not a mode
supported by the outputProfile (or by pyCMS), a PyCMSError will be
raised.
This function applies an ICC transformation to im from inputProfile's
color space to outputProfile's color space using the specified rendering
intent to decide how to handle out-of-gamut colors.
OutputMode can be used to specify that a color mode conversion is to
be done using these profiles, but the specified profiles must be able
to handle that mode. I.e., if converting im from RGB to CMYK using
profiles, the input profile must handle RGB data, and the output
profile must handle CMYK data.
"""
if outputMode is None:
outputMode = im.mode
if type(renderingIntent) != type(1) or not (0 <= renderingIntent <=3):
raise PyCMSError("renderingIntent must be an integer between 0 and 3")
if type(flags) != type(1) or not (0 <= flags <= _MAX_FLAG):
raise PyCMSError("flags must be an integer between 0 and %s" + _MAX_FLAG)
try:
if not isinstance(inputProfile, ImageCmsProfile):
inputProfile = ImageCmsProfile(inputProfile)
if not isinstance(outputProfile, ImageCmsProfile):
outputProfile = ImageCmsProfile(outputProfile)
transform = ImageCmsTransform(
inputProfile, outputProfile, im.mode, outputMode, renderingIntent, flags=flags
)
if inPlace:
transform.apply_in_place(im)
imOut = None
else:
imOut = transform.apply(im)
except (IOError, TypeError, ValueError), v:
raise PyCMSError(v)
return imOut
##
# (pyCMS) Opens an ICC profile file.
def getOpenProfile(profileFilename):
"""
ImageCms.getOpenProfile(profileFilename)
Returns a CmsProfile class object.
profileFilename = string, as a valid filename path to the ICC profile
you wish to open, or a file-like object.
The PyCMSProfile object can be passed back into pyCMS for use in creating
transforms and such (as in ImageCms.buildTransformFromOpenProfiles()).
If profileFilename is not a vaild filename for an ICC profile, a
PyCMSError will be raised.
"""
try:
return ImageCmsProfile(profileFilename)
except (IOError, TypeError, ValueError), v:
raise PyCMSError(v)
##
# (pyCMS) Builds an ICC transform mapping from the inputProfile to the
# outputProfile. Use applyTransform to apply the transform to a given
# image.
def buildTransform(inputProfile, outputProfile, inMode, outMode, renderingIntent=INTENT_PERCEPTUAL, flags=0):
"""
ImageCms.buildTransform(inputProfile, outputProfile, inMode, outMode,
[renderingIntent])
Returns a CmsTransform class object.
inputProfile = string, as a valid filename path to the ICC input
profile you wish to use for this transform, or a profile object
outputProfile = string, as a valid filename path to the ICC output
profile you wish to use for this transform, or a profile object
inMode = string, as a valid PIL mode that the appropriate profile also
supports (i.e. "RGB", "RGBA", "CMYK", etc.)
outMode = string, as a valid PIL mode that the appropriate profile also
supports (i.e. "RGB", "RGBA", "CMYK", etc.)
renderingIntent = integer (0-3) specifying the rendering intent you
wish to use for the transform
INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL)
INTENT_RELATIVE_COLORIMETRIC =1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC)
INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION)
INTENT_ABSOLUTE_COLORIMETRIC =3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC)
see the pyCMS documentation for details on rendering intents and
what they do.
flags = integer (0-...) specifying additional flags
If the input or output profiles specified are not valid filenames, a
PyCMSError will be raised. If an error occurs during creation of the
transform, a PyCMSError will be raised.
If inMode or outMode are not a mode supported by the outputProfile (or
by pyCMS), a PyCMSError will be raised.
This function builds and returns an ICC transform from the inputProfile
to the outputProfile using the renderingIntent to determine what to do
with out-of-gamut colors. It will ONLY work for converting images that
are in inMode to images that are in outMode color format (PIL mode,
i.e. "RGB", "RGBA", "CMYK", etc.).
Building the transform is a fair part of the overhead in
ImageCms.profileToProfile(), so if you're planning on converting multiple
images using the same input/output settings, this can save you time.
Once you have a transform object, it can be used with
ImageCms.applyProfile() to convert images without the need to re-compute
the lookup table for the transform.
The reason pyCMS returns a class object rather than a handle directly
to the transform is that it needs to keep track of the PIL input/output
modes that the transform is meant for. These attributes are stored in
the "inMode" and "outMode" attributes of the object (which can be
manually overridden if you really want to, but I don't know of any
time that would be of use, or would even work).
"""
if type(renderingIntent) != type(1) or not (0 <= renderingIntent <=3):
raise PyCMSError("renderingIntent must be an integer between 0 and 3")
if type(flags) != type(1) or not (0 <= flags <= _MAX_FLAG):
raise PyCMSError("flags must be an integer between 0 and %s" + _MAX_FLAG)
try:
if not isinstance(inputProfile, ImageCmsProfile):
inputProfile = ImageCmsProfile(inputProfile)
if not isinstance(outputProfile, ImageCmsProfile):
outputProfile = ImageCmsProfile(outputProfile)
return ImageCmsTransform(inputProfile, outputProfile, inMode, outMode, renderingIntent, flags=flags)
except (IOError, TypeError, ValueError), v:
raise PyCMSError(v)
##
# (pyCMS) Builds an ICC transform mapping from the inputProfile to the
# outputProfile, but tries to simulate the result that would be
# obtained on the proofProfile device.
def buildProofTransform(inputProfile, outputProfile, proofProfile, inMode, outMode, renderingIntent=INTENT_PERCEPTUAL, proofRenderingIntent=INTENT_ABSOLUTE_COLORIMETRIC, flags=FLAGS["SOFTPROOFING"]):
"""
ImageCms.buildProofTransform(inputProfile, outputProfile, proofProfile,
inMode, outMode, [renderingIntent], [proofRenderingIntent])
Returns a CmsTransform class object.
inputProfile = string, as a valid filename path to the ICC input
profile you wish to use for this transform, or a profile object
outputProfile = string, as a valid filename path to the ICC output
(monitor, usually) profile you wish to use for this transform,
or a profile object
proofProfile = string, as a valid filename path to the ICC proof
profile you wish to use for this transform, or a profile object
inMode = string, as a valid PIL mode that the appropriate profile also
supports (i.e. "RGB", "RGBA", "CMYK", etc.)
outMode = string, as a valid PIL mode that the appropriate profile also
supports (i.e. "RGB", "RGBA", "CMYK", etc.)
renderingIntent = integer (0-3) specifying the rendering intent you
wish to use for the input->proof (simulated) transform
INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL)
INTENT_RELATIVE_COLORIMETRIC =1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC)
INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION)
INTENT_ABSOLUTE_COLORIMETRIC =3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC)
see the pyCMS documentation for details on rendering intents and
what they do.
proofRenderingIntent = integer (0-3) specifying the rendering intent
you wish to use for proof->output transform
INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL)
INTENT_RELATIVE_COLORIMETRIC =1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC)
INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION)
INTENT_ABSOLUTE_COLORIMETRIC =3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC)
see the pyCMS documentation for details on rendering intents and
what they do.
flags = integer (0-...) specifying additional flags
If the input, output, or proof profiles specified are not valid
filenames, a PyCMSError will be raised.
If an error occurs during creation of the transform, a PyCMSError will
be raised.
If inMode or outMode are not a mode supported by the outputProfile
(or by pyCMS), a PyCMSError will be raised.
This function builds and returns an ICC transform from the inputProfile
to the outputProfile, but tries to simulate the result that would be
obtained on the proofProfile device using renderingIntent and
proofRenderingIntent to determine what to do with out-of-gamut
colors. This is known as "soft-proofing". It will ONLY work for
converting images that are in inMode to images that are in outMode
color format (PIL mode, i.e. "RGB", "RGBA", "CMYK", etc.).
Usage of the resulting transform object is exactly the same as with
ImageCms.buildTransform().
Proof profiling is generally used when using an output device to get a
good idea of what the final printed/displayed image would look like on
the proofProfile device when it's quicker and easier to use the
output device for judging color. Generally, this means that the
output device is a monitor, or a dye-sub printer (etc.), and the simulated
device is something more expensive, complicated, or time consuming
(making it difficult to make a real print for color judgement purposes).
Soft-proofing basically functions by adjusting the colors on the
output device to match the colors of the device being simulated. However,
when the simulated device has a much wider gamut than the output
device, you may obtain marginal results.
"""
if type(renderingIntent) != type(1) or not (0 <= renderingIntent <=3):
raise PyCMSError("renderingIntent must be an integer between 0 and 3")
if type(flags) != type(1) or not (0 <= flags <= _MAX_FLAG):
raise PyCMSError("flags must be an integer between 0 and %s" + _MAX_FLAG)
try:
if not isinstance(inputProfile, ImageCmsProfile):
inputProfile = ImageCmsProfile(inputProfile)
if not isinstance(outputProfile, ImageCmsProfile):
outputProfile = ImageCmsProfile(outputProfile)
if not isinstance(proofProfile, ImageCmsProfile):
proofProfile = ImageCmsProfile(proofProfile)
return ImageCmsTransform(inputProfile, outputProfile, inMode, outMode, renderingIntent, proofProfile, proofRenderingIntent, flags)
except (IOError, TypeError, ValueError), v:
raise PyCMSError(v)
buildTransformFromOpenProfiles = buildTransform
buildProofTransformFromOpenProfiles = buildProofTransform
##
# (pyCMS) Applies a transform to a given image.
def applyTransform(im, transform, inPlace=0):
"""
ImageCms.applyTransform(im, transform, [inPlace])
Returns either None, or a new PIL Image object, depending on the value
of inPlace (see below)
im = a PIL Image object, and im.mode must be the same as the inMode
supported by the transform.
transform = a valid CmsTransform class object
inPlace = BOOL (1 == TRUE, 0 or None == FALSE). If TRUE, im is
modified in place and None is returned, if FALSE, a new Image
object with the transform applied is returned (and im is not
changed). The default is FALSE.
If im.mode != transform.inMode, a PyCMSError is raised.
If inPlace == TRUE and transform.inMode != transform.outMode, a
PyCMSError is raised.
If im.mode, transfer.inMode, or transfer.outMode is not supported by
pyCMSdll or the profiles you used for the transform, a PyCMSError is
raised.
If an error occurs while the transform is being applied, a PyCMSError
is raised.
This function applies a pre-calculated transform (from
ImageCms.buildTransform() or ImageCms.buildTransformFromOpenProfiles()) to an
image. The transform can be used for multiple images, saving
considerable calcuation time if doing the same conversion multiple times.
If you want to modify im in-place instead of receiving a new image as
the return value, set inPlace to TRUE. This can only be done if
transform.inMode and transform.outMode are the same, because we can't
change the mode in-place (the buffer sizes for some modes are
different). The default behavior is to return a new Image object of
the same dimensions in mode transform.outMode.
"""
try:
if inPlace:
transform.apply_in_place(im)
imOut = None
else:
imOut = transform.apply(im)
except (TypeError, ValueError), v:
raise PyCMSError(v)
return imOut
##
# (pyCMS) Creates a profile.
def createProfile(colorSpace, colorTemp=-1):
"""
ImageCms.createProfile(colorSpace, [colorTemp])
Returns a CmsProfile class object
colorSpace = string, the color space of the profile you wish to create.
Currently only "LAB", "XYZ", and "sRGB" are supported.
colorTemp = positive integer for the white point for the profile, in
degrees Kelvin (i.e. 5000, 6500, 9600, etc.). The default is for
D50 illuminant if omitted (5000k). colorTemp is ONLY applied to
LAB profiles, and is ignored for XYZ and sRGB.
If colorSpace not in ["LAB", "XYZ", "sRGB"], a PyCMSError is raised
If using LAB and colorTemp != a positive integer, a PyCMSError is raised.
If an error occurs while creating the profile, a PyCMSError is raised.
Use this function to create common profiles on-the-fly instead of
having to supply a profile on disk and knowing the path to it. It
returns a normal CmsProfile object that can be passed to
ImageCms.buildTransformFromOpenProfiles() to create a transform to apply
to images.
"""
if colorSpace not in ["LAB", "XYZ", "sRGB"]:
raise PyCMSError("Color space not supported for on-the-fly profile creation (%s)" % colorSpace)
if colorSpace == "LAB":
if type(colorTemp) == type(5000.0):
colorTemp = int(colorTemp + 0.5)
if type (colorTemp) != type (5000):
raise PyCMSError("Color temperature must be a positive integer, \"%s\" not valid" % colorTemp)
try:
return core.createProfile(colorSpace, colorTemp)
except (TypeError, ValueError), v:
raise PyCMSError(v)
##
# (pyCMS) Gets the internal product name for the given profile.
def getProfileName(profile):
"""
ImageCms.getProfileName(profile)
Returns a string containing the internal name of the profile as stored
in an ICC tag.
profile = EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
If profile isn't a valid CmsProfile object or filename to a profile,
a PyCMSError is raised If an error occurs while trying to obtain the
name tag, a PyCMSError is raised.
Use this function to obtain the INTERNAL name of the profile (stored
in an ICC tag in the profile itself), usually the one used when the
profile was originally created. Sometimes this tag also contains
additional information supplied by the creator.
"""
try:
# add an extra newline to preserve pyCMS compatibility
if not isinstance(profile, ImageCmsProfile):
profile = ImageCmsProfile(profile)
return profile.profile.product_name + "\n"
except (AttributeError, IOError, TypeError, ValueError), v:
raise PyCMSError(v)
##
# (pyCMS) Gets the internal product information for the given profile.
def getProfileInfo(profile):
"""
ImageCms.getProfileInfo(profile)
Returns a string containing the internal profile information stored in
an ICC tag.
profile = EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
If profile isn't a valid CmsProfile object or filename to a profile,
a PyCMSError is raised.
If an error occurs while trying to obtain the info tag, a PyCMSError
is raised
Use this function to obtain the information stored in the profile's
info tag. This often contains details about the profile, and how it
was created, as supplied by the creator.
"""
try:
if not isinstance(profile, ImageCmsProfile):
profile = ImageCmsProfile(profile)
# add an extra newline to preserve pyCMS compatibility
return profile.product_info + "\n"
except (AttributeError, IOError, TypeError, ValueError), v:
raise PyCMSError(v)
##
# (pyCMS) Gets the default intent name for the given profile.
def getDefaultIntent(profile):
"""
ImageCms.getDefaultIntent(profile)
Returns integer 0-3 specifying the default rendering intent for this
profile.
INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL)
INTENT_RELATIVE_COLORIMETRIC =1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC)
INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION)
INTENT_ABSOLUTE_COLORIMETRIC =3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC)
see the pyCMS documentation for details on rendering intents and
what they do.
profile = EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
If profile isn't a valid CmsProfile object or filename to a profile,
a PyCMSError is raised.
If an error occurs while trying to obtain the default intent, a
PyCMSError is raised.
Use this function to determine the default (and usually best optomized)
rendering intent for this profile. Most profiles support multiple
rendering intents, but are intended mostly for one type of conversion.
If you wish to use a different intent than returned, use
ImageCms.isIntentSupported() to verify it will work first.
"""
try:
if not isinstance(profile, ImageCmsProfile):
profile = ImageCmsProfile(profile)
return profile.profile.rendering_intent
except (AttributeError, IOError, TypeError, ValueError), v:
raise PyCMSError(v)
##
# (pyCMS) Checks if a given intent is supported.
def isIntentSupported(profile, intent, direction):
"""
ImageCms.isIntentSupported(profile, intent, direction)
Returns 1 if the intent/direction are supported, -1 if they are not.
profile = EITHER a valid CmsProfile object, OR a string of the
filename of an ICC profile.
intent = integer (0-3) specifying the rendering intent you wish to use
with this profile
INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL)
INTENT_RELATIVE_COLORIMETRIC =1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC)
INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION)
INTENT_ABSOLUTE_COLORIMETRIC =3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC)
see the pyCMS documentation for details on rendering intents and
what they do.
direction = integer specifing if the profile is to be used for input,
output, or proof
INPUT = 0 (or use ImageCms.DIRECTION_INPUT)
OUTPUT = 1 (or use ImageCms.DIRECTION_OUTPUT)
PROOF = 2 (or use ImageCms.DIRECTION_PROOF)
Use this function to verify that you can use your desired
renderingIntent with profile, and that profile can be used for the
input/output/proof profile as you desire.
Some profiles are created specifically for one "direction", can cannot
be used for others. Some profiles can only be used for certain
rendering intents... so it's best to either verify this before trying
to create a transform with them (using this function), or catch the
potential PyCMSError that will occur if they don't support the modes
you select.
"""
try:
if not isinstance(profile, ImageCmsProfile):
profile = ImageCmsProfile(profile)
# FIXME: I get different results for the same data w. different
# compilers. Bug in LittleCMS or in the binding?
if profile.profile.is_intent_supported(intent, direction):
return 1
else:
return -1
except (AttributeError, IOError, TypeError, ValueError), v:
raise PyCMSError(v)
##
# (pyCMS) Fetches versions.
def versions():
import sys
return (
VERSION, core.littlecms_version, sys.version.split()[0], Image.VERSION
)
# --------------------------------------------------------------------
if __name__ == "__main__":
# create a cheap manual from the __doc__ strings for the functions above
import ImageCms
import string
print __doc__
for f in dir(pyCMS):
print "="*80
print "%s" %f
try:
exec ("doc = ImageCms.%s.__doc__" %(f))
if string.find(doc, "pyCMS") >= 0:
# so we don't get the __doc__ string for imported modules
print doc
except AttributeError:
pass

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@ -0,0 +1,263 @@
#
# The Python Imaging Library
# $Id$
#
# map CSS3-style colour description strings to RGB
#
# History:
# 2002-10-24 fl Added support for CSS-style color strings
# 2002-12-15 fl Added RGBA support
# 2004-03-27 fl Fixed remaining int() problems for Python 1.5.2
# 2004-07-19 fl Fixed gray/grey spelling issues
# 2009-03-05 fl Fixed rounding error in grayscale calculation
#
# Copyright (c) 2002-2004 by Secret Labs AB
# Copyright (c) 2002-2004 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image
import re, string
try:
x = int("a", 16)
except TypeError:
# python 1.5.2 doesn't support int(x,b)
str2int = string.atoi
else:
str2int = int
##
# Convert color string to RGB tuple.
#
# @param color A CSS3-style colour string.
# @return An RGB-tuple.
# @exception ValueError If the color string could not be interpreted
# as an RGB value.
def getrgb(color):
# FIXME: add RGBA support
try:
rgb = colormap[color]
except KeyError:
try:
# fall back on case-insensitive lookup
rgb = colormap[string.lower(color)]
except KeyError:
rgb = None
# found color in cache
if rgb:
if isinstance(rgb, type(())):
return rgb
colormap[color] = rgb = getrgb(rgb)
return rgb
# check for known string formats
m = re.match("#\w\w\w$", color)
if m:
return (
str2int(color[1]*2, 16),
str2int(color[2]*2, 16),
str2int(color[3]*2, 16)
)
m = re.match("#\w\w\w\w\w\w$", color)
if m:
return (
str2int(color[1:3], 16),
str2int(color[3:5], 16),
str2int(color[5:7], 16)
)
m = re.match("rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$", color)
if m:
return (
str2int(m.group(1)),
str2int(m.group(2)),
str2int(m.group(3))
)
m = re.match("rgb\(\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)$", color)
if m:
return (
int((str2int(m.group(1)) * 255) / 100.0 + 0.5),
int((str2int(m.group(2)) * 255) / 100.0 + 0.5),
int((str2int(m.group(3)) * 255) / 100.0 + 0.5)
)
m = re.match("hsl\(\s*(\d+)\s*,\s*(\d+)%\s*,\s*(\d+)%\s*\)$", color)
if m:
from colorsys import hls_to_rgb
rgb = hls_to_rgb(
float(m.group(1)) / 360.0,
float(m.group(3)) / 100.0,
float(m.group(2)) / 100.0,
)
return (
int(rgb[0] * 255 + 0.5),
int(rgb[1] * 255 + 0.5),
int(rgb[2] * 255 + 0.5)
)
raise ValueError("unknown color specifier: %r" % color)
def getcolor(color, mode):
# same as getrgb, but converts the result to the given mode
color = getrgb(color)
if mode == "RGB":
return color
if mode == "RGBA":
r, g, b = color
return r, g, b, 255
if Image.getmodebase(mode) == "L":
r, g, b = color
return (r*299 + g*587 + b*114)/1000
return color
colormap = {
# X11 colour table (from "CSS3 module: Color working draft"), with
# gray/grey spelling issues fixed. This is a superset of HTML 4.0
# colour names used in CSS 1.
"aliceblue": "#f0f8ff",
"antiquewhite": "#faebd7",
"aqua": "#00ffff",
"aquamarine": "#7fffd4",
"azure": "#f0ffff",
"beige": "#f5f5dc",
"bisque": "#ffe4c4",
"black": "#000000",
"blanchedalmond": "#ffebcd",
"blue": "#0000ff",
"blueviolet": "#8a2be2",
"brown": "#a52a2a",
"burlywood": "#deb887",
"cadetblue": "#5f9ea0",
"chartreuse": "#7fff00",
"chocolate": "#d2691e",
"coral": "#ff7f50",
"cornflowerblue": "#6495ed",
"cornsilk": "#fff8dc",
"crimson": "#dc143c",
"cyan": "#00ffff",
"darkblue": "#00008b",
"darkcyan": "#008b8b",
"darkgoldenrod": "#b8860b",
"darkgray": "#a9a9a9",
"darkgrey": "#a9a9a9",
"darkgreen": "#006400",
"darkkhaki": "#bdb76b",
"darkmagenta": "#8b008b",
"darkolivegreen": "#556b2f",
"darkorange": "#ff8c00",
"darkorchid": "#9932cc",
"darkred": "#8b0000",
"darksalmon": "#e9967a",
"darkseagreen": "#8fbc8f",
"darkslateblue": "#483d8b",
"darkslategray": "#2f4f4f",
"darkslategrey": "#2f4f4f",
"darkturquoise": "#00ced1",
"darkviolet": "#9400d3",
"deeppink": "#ff1493",
"deepskyblue": "#00bfff",
"dimgray": "#696969",
"dimgrey": "#696969",
"dodgerblue": "#1e90ff",
"firebrick": "#b22222",
"floralwhite": "#fffaf0",
"forestgreen": "#228b22",
"fuchsia": "#ff00ff",
"gainsboro": "#dcdcdc",
"ghostwhite": "#f8f8ff",
"gold": "#ffd700",
"goldenrod": "#daa520",
"gray": "#808080",
"grey": "#808080",
"green": "#008000",
"greenyellow": "#adff2f",
"honeydew": "#f0fff0",
"hotpink": "#ff69b4",
"indianred": "#cd5c5c",
"indigo": "#4b0082",
"ivory": "#fffff0",
"khaki": "#f0e68c",
"lavender": "#e6e6fa",
"lavenderblush": "#fff0f5",
"lawngreen": "#7cfc00",
"lemonchiffon": "#fffacd",
"lightblue": "#add8e6",
"lightcoral": "#f08080",
"lightcyan": "#e0ffff",
"lightgoldenrodyellow": "#fafad2",
"lightgreen": "#90ee90",
"lightgray": "#d3d3d3",
"lightgrey": "#d3d3d3",
"lightpink": "#ffb6c1",
"lightsalmon": "#ffa07a",
"lightseagreen": "#20b2aa",
"lightskyblue": "#87cefa",
"lightslategray": "#778899",
"lightslategrey": "#778899",
"lightsteelblue": "#b0c4de",
"lightyellow": "#ffffe0",
"lime": "#00ff00",
"limegreen": "#32cd32",
"linen": "#faf0e6",
"magenta": "#ff00ff",
"maroon": "#800000",
"mediumaquamarine": "#66cdaa",
"mediumblue": "#0000cd",
"mediumorchid": "#ba55d3",
"mediumpurple": "#9370db",
"mediumseagreen": "#3cb371",
"mediumslateblue": "#7b68ee",
"mediumspringgreen": "#00fa9a",
"mediumturquoise": "#48d1cc",
"mediumvioletred": "#c71585",
"midnightblue": "#191970",
"mintcream": "#f5fffa",
"mistyrose": "#ffe4e1",
"moccasin": "#ffe4b5",
"navajowhite": "#ffdead",
"navy": "#000080",
"oldlace": "#fdf5e6",
"olive": "#808000",
"olivedrab": "#6b8e23",
"orange": "#ffa500",
"orangered": "#ff4500",
"orchid": "#da70d6",
"palegoldenrod": "#eee8aa",
"palegreen": "#98fb98",
"paleturquoise": "#afeeee",
"palevioletred": "#db7093",
"papayawhip": "#ffefd5",
"peachpuff": "#ffdab9",
"peru": "#cd853f",
"pink": "#ffc0cb",
"plum": "#dda0dd",
"powderblue": "#b0e0e6",
"purple": "#800080",
"red": "#ff0000",
"rosybrown": "#bc8f8f",
"royalblue": "#4169e1",
"saddlebrown": "#8b4513",
"salmon": "#fa8072",
"sandybrown": "#f4a460",
"seagreen": "#2e8b57",
"seashell": "#fff5ee",
"sienna": "#a0522d",
"silver": "#c0c0c0",
"skyblue": "#87ceeb",
"slateblue": "#6a5acd",
"slategray": "#708090",
"slategrey": "#708090",
"snow": "#fffafa",
"springgreen": "#00ff7f",
"steelblue": "#4682b4",
"tan": "#d2b48c",
"teal": "#008080",
"thistle": "#d8bfd8",
"tomato": "#ff6347",
"turquoise": "#40e0d0",
"violet": "#ee82ee",
"wheat": "#f5deb3",
"white": "#ffffff",
"whitesmoke": "#f5f5f5",
"yellow": "#ffff00",
"yellowgreen": "#9acd32",
}

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#
# The Python Imaging Library
# $Id$
#
# drawing interface operations
#
# History:
# 1996-04-13 fl Created (experimental)
# 1996-08-07 fl Filled polygons, ellipses.
# 1996-08-13 fl Added text support
# 1998-06-28 fl Handle I and F images
# 1998-12-29 fl Added arc; use arc primitive to draw ellipses
# 1999-01-10 fl Added shape stuff (experimental)
# 1999-02-06 fl Added bitmap support
# 1999-02-11 fl Changed all primitives to take options
# 1999-02-20 fl Fixed backwards compatibility
# 2000-10-12 fl Copy on write, when necessary
# 2001-02-18 fl Use default ink for bitmap/text also in fill mode
# 2002-10-24 fl Added support for CSS-style color strings
# 2002-12-10 fl Added experimental support for RGBA-on-RGB drawing
# 2002-12-11 fl Refactored low-level drawing API (work in progress)
# 2004-08-26 fl Made Draw() a factory function, added getdraw() support
# 2004-09-04 fl Added width support to line primitive
# 2004-09-10 fl Added font mode handling
# 2006-06-19 fl Added font bearing support (getmask2)
#
# Copyright (c) 1997-2006 by Secret Labs AB
# Copyright (c) 1996-2006 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image, ImageColor
try:
import warnings
except ImportError:
warnings = None
##
# A simple 2D drawing interface for PIL images.
# <p>
# Application code should use the <b>Draw</b> factory, instead of
# directly.
class ImageDraw:
##
# Create a drawing instance.
#
# @param im The image to draw in.
# @param mode Optional mode to use for color values. For RGB
# images, this argument can be RGB or RGBA (to blend the
# drawing into the image). For all other modes, this argument
# must be the same as the image mode. If omitted, the mode
# defaults to the mode of the image.
def __init__(self, im, mode=None):
im.load()
if im.readonly:
im._copy() # make it writable
blend = 0
if mode is None:
mode = im.mode
if mode != im.mode:
if mode == "RGBA" and im.mode == "RGB":
blend = 1
else:
raise ValueError("mode mismatch")
if mode == "P":
self.palette = im.palette
else:
self.palette = None
self.im = im.im
self.draw = Image.core.draw(self.im, blend)
self.mode = mode
if mode in ("I", "F"):
self.ink = self.draw.draw_ink(1, mode)
else:
self.ink = self.draw.draw_ink(-1, mode)
if mode in ("1", "P", "I", "F"):
# FIXME: fix Fill2 to properly support matte for I+F images
self.fontmode = "1"
else:
self.fontmode = "L" # aliasing is okay for other modes
self.fill = 0
self.font = None
##
# Set the default pen color.
def setink(self, ink):
# compatibility
if warnings:
warnings.warn(
"'setink' is deprecated; use keyword arguments instead",
DeprecationWarning, stacklevel=2
)
if Image.isStringType(ink):
ink = ImageColor.getcolor(ink, self.mode)
if self.palette and not Image.isNumberType(ink):
ink = self.palette.getcolor(ink)
self.ink = self.draw.draw_ink(ink, self.mode)
##
# Set the default background color.
def setfill(self, onoff):
# compatibility
if warnings:
warnings.warn(
"'setfill' is deprecated; use keyword arguments instead",
DeprecationWarning, stacklevel=2
)
self.fill = onoff
##
# Set the default font.
def setfont(self, font):
# compatibility
self.font = font
##
# Get the current default font.
def getfont(self):
if not self.font:
# FIXME: should add a font repository
import ImageFont
self.font = ImageFont.load_default()
return self.font
def _getink(self, ink, fill=None):
if ink is None and fill is None:
if self.fill:
fill = self.ink
else:
ink = self.ink
else:
if ink is not None:
if Image.isStringType(ink):
ink = ImageColor.getcolor(ink, self.mode)
if self.palette and not Image.isNumberType(ink):
ink = self.palette.getcolor(ink)
ink = self.draw.draw_ink(ink, self.mode)
if fill is not None:
if Image.isStringType(fill):
fill = ImageColor.getcolor(fill, self.mode)
if self.palette and not Image.isNumberType(fill):
fill = self.palette.getcolor(fill)
fill = self.draw.draw_ink(fill, self.mode)
return ink, fill
##
# Draw an arc.
def arc(self, xy, start, end, fill=None):
ink, fill = self._getink(fill)
if ink is not None:
self.draw.draw_arc(xy, start, end, ink)
##
# Draw a bitmap.
def bitmap(self, xy, bitmap, fill=None):
bitmap.load()
ink, fill = self._getink(fill)
if ink is None:
ink = fill
if ink is not None:
self.draw.draw_bitmap(xy, bitmap.im, ink)
##
# Draw a chord.
def chord(self, xy, start, end, fill=None, outline=None):
ink, fill = self._getink(outline, fill)
if fill is not None:
self.draw.draw_chord(xy, start, end, fill, 1)
if ink is not None:
self.draw.draw_chord(xy, start, end, ink, 0)
##
# Draw an ellipse.
def ellipse(self, xy, fill=None, outline=None):
ink, fill = self._getink(outline, fill)
if fill is not None:
self.draw.draw_ellipse(xy, fill, 1)
if ink is not None:
self.draw.draw_ellipse(xy, ink, 0)
##
# Draw a line, or a connected sequence of line segments.
def line(self, xy, fill=None, width=0):
ink, fill = self._getink(fill)
if ink is not None:
self.draw.draw_lines(xy, ink, width)
##
# (Experimental) Draw a shape.
def shape(self, shape, fill=None, outline=None):
# experimental
shape.close()
ink, fill = self._getink(outline, fill)
if fill is not None:
self.draw.draw_outline(shape, fill, 1)
if ink is not None:
self.draw.draw_outline(shape, ink, 0)
##
# Draw a pieslice.
def pieslice(self, xy, start, end, fill=None, outline=None):
ink, fill = self._getink(outline, fill)
if fill is not None:
self.draw.draw_pieslice(xy, start, end, fill, 1)
if ink is not None:
self.draw.draw_pieslice(xy, start, end, ink, 0)
##
# Draw one or more individual pixels.
def point(self, xy, fill=None):
ink, fill = self._getink(fill)
if ink is not None:
self.draw.draw_points(xy, ink)
##
# Draw a polygon.
def polygon(self, xy, fill=None, outline=None):
ink, fill = self._getink(outline, fill)
if fill is not None:
self.draw.draw_polygon(xy, fill, 1)
if ink is not None:
self.draw.draw_polygon(xy, ink, 0)
##
# Draw a rectangle.
def rectangle(self, xy, fill=None, outline=None):
ink, fill = self._getink(outline, fill)
if fill is not None:
self.draw.draw_rectangle(xy, fill, 1)
if ink is not None:
self.draw.draw_rectangle(xy, ink, 0)
##
# Draw text.
def text(self, xy, text, fill=None, font=None, anchor=None):
ink, fill = self._getink(fill)
if font is None:
font = self.getfont()
if ink is None:
ink = fill
if ink is not None:
try:
mask, offset = font.getmask2(text, self.fontmode)
xy = xy[0] + offset[0], xy[1] + offset[1]
except AttributeError:
try:
mask = font.getmask(text, self.fontmode)
except TypeError:
mask = font.getmask(text)
self.draw.draw_bitmap(xy, mask, ink)
##
# Get the size of a given string, in pixels.
def textsize(self, text, font=None):
if font is None:
font = self.getfont()
return font.getsize(text)
##
# A simple 2D drawing interface for PIL images.
#
# @param im The image to draw in.
# @param mode Optional mode to use for color values. For RGB
# images, this argument can be RGB or RGBA (to blend the
# drawing into the image). For all other modes, this argument
# must be the same as the image mode. If omitted, the mode
# defaults to the mode of the image.
def Draw(im, mode=None):
try:
return im.getdraw(mode)
except AttributeError:
return ImageDraw(im, mode)
# experimental access to the outline API
try:
Outline = Image.core.outline
except:
Outline = None
##
# (Experimental) A more advanced 2D drawing interface for PIL images,
# based on the WCK interface.
#
# @param im The image to draw in.
# @param hints An optional list of hints.
# @return A (drawing context, drawing resource factory) tuple.
def getdraw(im=None, hints=None):
# FIXME: this needs more work!
# FIXME: come up with a better 'hints' scheme.
handler = None
if not hints or "nicest" in hints:
try:
import _imagingagg
handler = _imagingagg
except ImportError:
pass
if handler is None:
import ImageDraw2
handler = ImageDraw2
if im:
im = handler.Draw(im)
return im, handler
##
# (experimental) Fills a bounded region with a given color.
#
# @param image Target image.
# @param xy Seed position (a 2-item coordinate tuple).
# @param value Fill color.
# @param border Optional border value. If given, the region consists of
# pixels with a color different from the border color. If not given,
# the region consists of pixels having the same color as the seed
# pixel.
def floodfill(image, xy, value, border=None):
"Fill bounded region."
# based on an implementation by Eric S. Raymond
pixel = image.load()
x, y = xy
try:
background = pixel[x, y]
if background == value:
return # seed point already has fill color
pixel[x, y] = value
except IndexError:
return # seed point outside image
edge = [(x, y)]
if border is None:
while edge:
newedge = []
for (x, y) in edge:
for (s, t) in ((x+1, y), (x-1, y), (x, y+1), (x, y-1)):
try:
p = pixel[s, t]
except IndexError:
pass
else:
if p == background:
pixel[s, t] = value
newedge.append((s, t))
edge = newedge
else:
while edge:
newedge = []
for (x, y) in edge:
for (s, t) in ((x+1, y), (x-1, y), (x, y+1), (x, y-1)):
try:
p = pixel[s, t]
except IndexError:
pass
else:
if p != value and p != border:
pixel[s, t] = value
newedge.append((s, t))
edge = newedge

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#
# The Python Imaging Library
# $Id$
#
# WCK-style drawing interface operations
#
# History:
# 2003-12-07 fl created
# 2005-05-15 fl updated; added to PIL as ImageDraw2
# 2005-05-15 fl added text support
# 2005-05-20 fl added arc/chord/pieslice support
#
# Copyright (c) 2003-2005 by Secret Labs AB
# Copyright (c) 2003-2005 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image, ImageColor, ImageDraw, ImageFont, ImagePath
class Pen:
def __init__(self, color, width=1, opacity=255):
self.color = ImageColor.getrgb(color)
self.width = width
class Brush:
def __init__(self, color, opacity=255):
self.color = ImageColor.getrgb(color)
class Font:
def __init__(self, color, file, size=12):
# FIXME: add support for bitmap fonts
self.color = ImageColor.getrgb(color)
self.font = ImageFont.truetype(file, size)
class Draw:
def __init__(self, image, size=None, color=None):
if not hasattr(image, "im"):
image = Image.new(image, size, color)
self.draw = ImageDraw.Draw(image)
self.image = image
self.transform = None
def flush(self):
return self.image
def render(self, op, xy, pen, brush=None):
# handle color arguments
outline = fill = None; width = 1
if isinstance(pen, Pen):
outline = pen.color
width = pen.width
elif isinstance(brush, Pen):
outline = brush.color
width = brush.width
if isinstance(brush, Brush):
fill = brush.color
elif isinstance(pen, Brush):
fill = pen.color
# handle transformation
if self.transform:
xy = ImagePath.Path(xy)
xy.transform(self.transform)
# render the item
if op == "line":
self.draw.line(xy, fill=outline, width=width)
else:
getattr(self.draw, op)(xy, fill=fill, outline=outline)
def settransform(self, (xoffset, yoffset)):
self.transform = (1, 0, xoffset, 0, 1, yoffset)
def arc(self, xy, start, end, *options):
self.render("arc", xy, start, end, *options)
def chord(self, xy, start, end, *options):
self.render("chord", xy, start, end, *options)
def ellipse(self, xy, *options):
self.render("ellipse", xy, *options)
def line(self, xy, *options):
self.render("line", xy, *options)
def pieslice(self, xy, start, end, *options):
self.render("pieslice", xy, start, end, *options)
def polygon(self, xy, *options):
self.render("polygon", xy, *options)
def rectangle(self, xy, *options):
self.render("rectangle", xy, *options)
def symbol(self, xy, symbol, *options):
raise NotImplementedError("not in this version")
def text(self, xy, text, font):
if self.transform:
xy = ImagePath.Path(xy)
xy.transform(self.transform)
self.draw.text(xy, text, font=font.font, fill=font.color)
def textsize(self, text, font):
return self.draw.textsize(text, font=font.font)

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#
# The Python Imaging Library.
# $Id$
#
# image enhancement classes
#
# For a background, see "Image Processing By Interpolation and
# Extrapolation", Paul Haeberli and Douglas Voorhies. Available
# at http://www.sgi.com/grafica/interp/index.html
#
# History:
# 1996-03-23 fl Created
# 2009-06-16 fl Fixed mean calculation
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1996.
#
# See the README file for information on usage and redistribution.
#
import Image, ImageFilter, ImageStat
class _Enhance:
##
# Returns an enhanced image. The enhancement factor is a floating
# point value controlling the enhancement. Factor 1.0 always
# returns a copy of the original image, lower factors mean less
# colour (brightness, contrast, etc), and higher values more.
# There are no restrictions on this value.
#
# @param factor Enhancement factor.
# @return An enhanced image.
def enhance(self, factor):
return Image.blend(self.degenerate, self.image, factor)
##
# Color enhancement object.
# <p>
# This class can be used to adjust the colour balance of an image, in
# a manner similar to the controls on a colour TV set. An enhancement
# factor of 0.0 gives a black and white image, a factor of 1.0 gives
# the original image.
class Color(_Enhance):
"Adjust image colour balance"
def __init__(self, image):
self.image = image
self.degenerate = image.convert("L").convert(image.mode)
##
# Contrast enhancement object.
# <p>
# This class can be used to control the contrast of an image, similar
# to the contrast control on a TV set. An enhancement factor of 0.0
# gives a solid grey image, factor 1.0 gives the original image.
class Contrast(_Enhance):
"Adjust image contrast"
def __init__(self, image):
self.image = image
mean = int(ImageStat.Stat(image.convert("L")).mean[0] + 0.5)
self.degenerate = Image.new("L", image.size, mean).convert(image.mode)
##
# Brightness enhancement object.
# <p>
# This class can be used to control the brighntess of an image. An
# enhancement factor of 0.0 gives a black image, factor 1.0 gives the
# original image.
class Brightness(_Enhance):
"Adjust image brightness"
def __init__(self, image):
self.image = image
self.degenerate = Image.new(image.mode, image.size, 0)
##
# Sharpness enhancement object.
# <p>
# This class can be used to adjust the sharpness of an image. The
# enhancement factor 0.0 gives a blurred image, 1.0 gives the original
# image, and a factor of 2.0 gives a sharpened image.
class Sharpness(_Enhance):
"Adjust image sharpness"
def __init__(self, image):
self.image = image
self.degenerate = image.filter(ImageFilter.SMOOTH)

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#
# The Python Imaging Library.
# $Id$
#
# base class for image file handlers
#
# history:
# 1995-09-09 fl Created
# 1996-03-11 fl Fixed load mechanism.
# 1996-04-15 fl Added pcx/xbm decoders.
# 1996-04-30 fl Added encoders.
# 1996-12-14 fl Added load helpers
# 1997-01-11 fl Use encode_to_file where possible
# 1997-08-27 fl Flush output in _save
# 1998-03-05 fl Use memory mapping for some modes
# 1999-02-04 fl Use memory mapping also for "I;16" and "I;16B"
# 1999-05-31 fl Added image parser
# 2000-10-12 fl Set readonly flag on memory-mapped images
# 2002-03-20 fl Use better messages for common decoder errors
# 2003-04-21 fl Fall back on mmap/map_buffer if map is not available
# 2003-10-30 fl Added StubImageFile class
# 2004-02-25 fl Made incremental parser more robust
#
# Copyright (c) 1997-2004 by Secret Labs AB
# Copyright (c) 1995-2004 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image
import traceback, string, os
MAXBLOCK = 65536
SAFEBLOCK = 1024*1024
ERRORS = {
-1: "image buffer overrun error",
-2: "decoding error",
-3: "unknown error",
-8: "bad configuration",
-9: "out of memory error"
}
def raise_ioerror(error):
try:
message = Image.core.getcodecstatus(error)
except AttributeError:
message = ERRORS.get(error)
if not message:
message = "decoder error %d" % error
raise IOError(message + " when reading image file")
#
# --------------------------------------------------------------------
# Helpers
def _tilesort(t1, t2):
# sort on offset
return cmp(t1[2], t2[2])
#
# --------------------------------------------------------------------
# ImageFile base class
##
# Base class for image file handlers.
class ImageFile(Image.Image):
"Base class for image file format handlers."
def __init__(self, fp=None, filename=None):
Image.Image.__init__(self)
self.tile = None
self.readonly = 1 # until we know better
self.decoderconfig = ()
self.decodermaxblock = MAXBLOCK
if Image.isStringType(fp):
# filename
self.fp = open(fp, "rb")
self.filename = fp
else:
# stream
self.fp = fp
self.filename = filename
try:
self._open()
except IndexError, v: # end of data
if Image.DEBUG > 1:
traceback.print_exc()
raise SyntaxError, v
except TypeError, v: # end of data (ord)
if Image.DEBUG > 1:
traceback.print_exc()
raise SyntaxError, v
except KeyError, v: # unsupported mode
if Image.DEBUG > 1:
traceback.print_exc()
raise SyntaxError, v
except EOFError, v: # got header but not the first frame
if Image.DEBUG > 1:
traceback.print_exc()
raise SyntaxError, v
if not self.mode or self.size[0] <= 0:
raise SyntaxError, "not identified by this driver"
def draft(self, mode, size):
"Set draft mode"
pass
def verify(self):
"Check file integrity"
# raise exception if something's wrong. must be called
# directly after open, and closes file when finished.
self.fp = None
def load(self):
"Load image data based on tile list"
pixel = Image.Image.load(self)
if self.tile is None:
raise IOError("cannot load this image")
if not self.tile:
return pixel
self.map = None
readonly = 0
if self.filename and len(self.tile) == 1:
# try memory mapping
d, e, o, a = self.tile[0]
if d == "raw" and a[0] == self.mode and a[0] in Image._MAPMODES:
try:
if hasattr(Image.core, "map"):
# use built-in mapper
self.map = Image.core.map(self.filename)
self.map.seek(o)
self.im = self.map.readimage(
self.mode, self.size, a[1], a[2]
)
else:
# use mmap, if possible
import mmap
file = open(self.filename, "r+")
size = os.path.getsize(self.filename)
# FIXME: on Unix, use PROT_READ etc
self.map = mmap.mmap(file.fileno(), size)
self.im = Image.core.map_buffer(
self.map, self.size, d, e, o, a
)
readonly = 1
except (AttributeError, EnvironmentError, ImportError):
self.map = None
self.load_prepare()
# look for read/seek overrides
try:
read = self.load_read
except AttributeError:
read = self.fp.read
try:
seek = self.load_seek
except AttributeError:
seek = self.fp.seek
if not self.map:
# sort tiles in file order
self.tile.sort(_tilesort)
try:
# FIXME: This is a hack to handle TIFF's JpegTables tag.
prefix = self.tile_prefix
except AttributeError:
prefix = ""
for d, e, o, a in self.tile:
d = Image._getdecoder(self.mode, d, a, self.decoderconfig)
seek(o)
try:
d.setimage(self.im, e)
except ValueError:
continue
b = prefix
t = len(b)
while 1:
s = read(self.decodermaxblock)
if not s:
self.tile = []
raise IOError("image file is truncated (%d bytes not processed)" % len(b))
b = b + s
n, e = d.decode(b)
if n < 0:
break
b = b[n:]
t = t + n
self.tile = []
self.readonly = readonly
self.fp = None # might be shared
if not self.map and e < 0:
raise_ioerror(e)
# post processing
if hasattr(self, "tile_post_rotate"):
# FIXME: This is a hack to handle rotated PCD's
self.im = self.im.rotate(self.tile_post_rotate)
self.size = self.im.size
self.load_end()
return Image.Image.load(self)
def load_prepare(self):
# create image memory if necessary
if not self.im or\
self.im.mode != self.mode or self.im.size != self.size:
self.im = Image.core.new(self.mode, self.size)
# create palette (optional)
if self.mode == "P":
Image.Image.load(self)
def load_end(self):
# may be overridden
pass
# may be defined for contained formats
# def load_seek(self, pos):
# pass
# may be defined for blocked formats (e.g. PNG)
# def load_read(self, bytes):
# pass
##
# Base class for stub image loaders.
# <p>
# A stub loader is an image loader that can identify files of a
# certain format, but relies on external code to load the file.
class StubImageFile(ImageFile):
"Base class for stub image loaders."
def _open(self):
raise NotImplementedError(
"StubImageFile subclass must implement _open"
)
def load(self):
loader = self._load()
if loader is None:
raise IOError("cannot find loader for this %s file" % self.format)
image = loader.load(self)
assert image is not None
# become the other object (!)
self.__class__ = image.__class__
self.__dict__ = image.__dict__
##
# (Hook) Find actual image loader.
def _load(self):
raise NotImplementedError(
"StubImageFile subclass must implement _load"
)
##
# (Internal) Support class for the <b>Parser</b> file.
class _ParserFile:
# parser support class.
def __init__(self, data):
self.data = data
self.offset = 0
def close(self):
self.data = self.offset = None
def tell(self):
return self.offset
def seek(self, offset, whence=0):
if whence == 0:
self.offset = offset
elif whence == 1:
self.offset = self.offset + offset
else:
# force error in Image.open
raise IOError("illegal argument to seek")
def read(self, bytes=0):
pos = self.offset
if bytes:
data = self.data[pos:pos+bytes]
else:
data = self.data[pos:]
self.offset = pos + len(data)
return data
def readline(self):
# FIXME: this is slow!
s = ""
while 1:
c = self.read(1)
if not c:
break
s = s + c
if c == "\n":
break
return s
##
# Incremental image parser. This class implements the standard
# feed/close consumer interface.
class Parser:
incremental = None
image = None
data = None
decoder = None
finished = 0
##
# (Consumer) Reset the parser. Note that you can only call this
# method immediately after you've created a parser; parser
# instances cannot be reused.
def reset(self):
assert self.data is None, "cannot reuse parsers"
##
# (Consumer) Feed data to the parser.
#
# @param data A string buffer.
# @exception IOError If the parser failed to parse the image file.
def feed(self, data):
# collect data
if self.finished:
return
if self.data is None:
self.data = data
else:
self.data = self.data + data
# parse what we have
if self.decoder:
if self.offset > 0:
# skip header
skip = min(len(self.data), self.offset)
self.data = self.data[skip:]
self.offset = self.offset - skip
if self.offset > 0 or not self.data:
return
n, e = self.decoder.decode(self.data)
if n < 0:
# end of stream
self.data = None
self.finished = 1
if e < 0:
# decoding error
self.image = None
raise_ioerror(e)
else:
# end of image
return
self.data = self.data[n:]
elif self.image:
# if we end up here with no decoder, this file cannot
# be incrementally parsed. wait until we've gotten all
# available data
pass
else:
# attempt to open this file
try:
try:
fp = _ParserFile(self.data)
im = Image.open(fp)
finally:
fp.close() # explicitly close the virtual file
except IOError:
pass # not enough data
else:
flag = hasattr(im, "load_seek") or hasattr(im, "load_read")
if flag or len(im.tile) != 1:
# custom load code, or multiple tiles
self.decode = None
else:
# initialize decoder
im.load_prepare()
d, e, o, a = im.tile[0]
im.tile = []
self.decoder = Image._getdecoder(
im.mode, d, a, im.decoderconfig
)
self.decoder.setimage(im.im, e)
# calculate decoder offset
self.offset = o
if self.offset <= len(self.data):
self.data = self.data[self.offset:]
self.offset = 0
self.image = im
##
# (Consumer) Close the stream.
#
# @return An image object.
# @exception IOError If the parser failed to parse the image file.
def close(self):
# finish decoding
if self.decoder:
# get rid of what's left in the buffers
self.feed("")
self.data = self.decoder = None
if not self.finished:
raise IOError("image was incomplete")
if not self.image:
raise IOError("cannot parse this image")
if self.data:
# incremental parsing not possible; reopen the file
# not that we have all data
try:
fp = _ParserFile(self.data)
self.image = Image.open(fp)
finally:
self.image.load()
fp.close() # explicitly close the virtual file
return self.image
# --------------------------------------------------------------------
##
# (Helper) Save image body to file.
#
# @param im Image object.
# @param fp File object.
# @param tile Tile list.
def _save(im, fp, tile):
"Helper to save image based on tile list"
im.load()
if not hasattr(im, "encoderconfig"):
im.encoderconfig = ()
tile.sort(_tilesort)
# FIXME: make MAXBLOCK a configuration parameter
bufsize = max(MAXBLOCK, im.size[0] * 4) # see RawEncode.c
try:
fh = fp.fileno()
fp.flush()
except AttributeError:
# compress to Python file-compatible object
for e, b, o, a in tile:
e = Image._getencoder(im.mode, e, a, im.encoderconfig)
if o > 0:
fp.seek(o, 0)
e.setimage(im.im, b)
while 1:
l, s, d = e.encode(bufsize)
fp.write(d)
if s:
break
if s < 0:
raise IOError("encoder error %d when writing image file" % s)
else:
# slight speedup: compress to real file object
for e, b, o, a in tile:
e = Image._getencoder(im.mode, e, a, im.encoderconfig)
if o > 0:
fp.seek(o, 0)
e.setimage(im.im, b)
s = e.encode_to_file(fh, bufsize)
if s < 0:
raise IOError("encoder error %d when writing image file" % s)
try:
fp.flush()
except: pass
##
# Reads large blocks in a safe way. Unlike fp.read(n), this function
# doesn't trust the user. If the requested size is larger than
# SAFEBLOCK, the file is read block by block.
#
# @param fp File handle. Must implement a <b>read</b> method.
# @param size Number of bytes to read.
# @return A string containing up to <i>size</i> bytes of data.
def _safe_read(fp, size):
if size <= 0:
return ""
if size <= SAFEBLOCK:
return fp.read(size)
data = []
while size > 0:
block = fp.read(min(size, SAFEBLOCK))
if not block:
break
data.append(block)
size = size - len(block)
return string.join(data, "")

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#
# The Python Imaging Library.
# $Id$
#
# kludge to get basic ImageFileIO functionality
#
# History:
# 1998-08-06 fl Recreated
#
# Copyright (c) Secret Labs AB 1998-2002.
#
# See the README file for information on usage and redistribution.
#
from StringIO import StringIO
##
# The <b>ImageFileIO</b> module can be used to read an image from a
# socket, or any other stream device.
# <p>
# This module is deprecated. New code should use the <b>Parser</b>
# class in the <a href="imagefile">ImageFile</a> module instead.
#
# @see ImageFile#Parser
class ImageFileIO(StringIO):
##
# Adds buffering to a stream file object, in order to
# provide <b>seek</b> and <b>tell</b> methods required
# by the <b>Image.open</b> method. The stream object must
# implement <b>read</b> and <b>close</b> methods.
#
# @param fp Stream file handle.
# @see Image#open
def __init__(self, fp):
data = fp.read()
StringIO.__init__(self, data)

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#
# The Python Imaging Library.
# $Id$
#
# standard filters
#
# History:
# 1995-11-27 fl Created
# 2002-06-08 fl Added rank and mode filters
# 2003-09-15 fl Fixed rank calculation in rank filter; added expand call
#
# Copyright (c) 1997-2003 by Secret Labs AB.
# Copyright (c) 1995-2002 by Fredrik Lundh.
#
# See the README file for information on usage and redistribution.
#
class Filter:
pass
##
# Convolution filter kernel.
class Kernel(Filter):
##
# Create a convolution kernel. The current version only
# supports 3x3 and 5x5 integer and floating point kernels.
# <p>
# In the current version, kernels can only be applied to
# "L" and "RGB" images.
#
# @def __init__(size, kernel, **options)
# @param size Kernel size, given as (width, height). In
# the current version, this must be (3,3) or (5,5).
# @param kernel A sequence containing kernel weights.
# @param **options Optional keyword arguments.
# @keyparam scale Scale factor. If given, the result for each
# pixel is divided by this value. The default is the sum
# of the kernel weights.
# @keyparam offset Offset. If given, this value is added to the
# result, after it has been divided by the scale factor.
def __init__(self, size, kernel, scale=None, offset=0):
if scale is None:
# default scale is sum of kernel
scale = reduce(lambda a,b: a+b, kernel)
if size[0] * size[1] != len(kernel):
raise ValueError("not enough coefficients in kernel")
self.filterargs = size, scale, offset, kernel
def filter(self, image):
if image.mode == "P":
raise ValueError("cannot filter palette images")
return apply(image.filter, self.filterargs)
class BuiltinFilter(Kernel):
def __init__(self):
pass
##
# Rank filter.
class RankFilter(Filter):
name = "Rank"
##
# Create a rank filter. The rank filter sorts all pixels in
# a window of the given size, and returns the rank'th value.
#
# @param size The kernel size, in pixels.
# @param rank What pixel value to pick. Use 0 for a min filter,
# size*size/2 for a median filter, size*size-1 for a max filter,
# etc.
def __init__(self, size, rank):
self.size = size
self.rank = rank
def filter(self, image):
if image.mode == "P":
raise ValueError("cannot filter palette images")
image = image.expand(self.size/2, self.size/2)
return image.rankfilter(self.size, self.rank)
##
# Median filter. Picks the median pixel value in a window with the
# given size.
class MedianFilter(RankFilter):
name = "Median"
##
# Create a median filter.
#
# @param size The kernel size, in pixels.
def __init__(self, size=3):
self.size = size
self.rank = size*size/2
##
# Min filter. Picks the lowest pixel value in a window with the given
# size.
class MinFilter(RankFilter):
name = "Min"
##
# Create a min filter.
#
# @param size The kernel size, in pixels.
def __init__(self, size=3):
self.size = size
self.rank = 0
##
# Max filter. Picks the largest pixel value in a window with the
# given size.
class MaxFilter(RankFilter):
name = "Max"
##
# Create a max filter.
#
# @param size The kernel size, in pixels.
def __init__(self, size=3):
self.size = size
self.rank = size*size-1
##
# Mode filter. Picks the most frequent pixel value in a box with the
# given size. Pixel values that occur only once or twice are ignored;
# if no pixel value occurs more than twice, the original pixel value
# is preserved.
class ModeFilter(Filter):
name = "Mode"
##
# Create a mode filter.
#
# @param size The kernel size, in pixels.
def __init__(self, size=3):
self.size = size
def filter(self, image):
return image.modefilter(self.size)
##
# Gaussian blur filter.
class GaussianBlur(Filter):
name = "GaussianBlur"
def __init__(self, radius=2):
self.radius = 2
def filter(self, image):
return image.gaussian_blur(self.radius)
##
# Unsharp mask filter.
class UnsharpMask(Filter):
name = "UnsharpMask"
def __init__(self, radius=2, percent=150, threshold=3):
self.radius = 2
self.percent = percent
self.threshold = threshold
def filter(self, image):
return image.unsharp_mask(self.radius, self.percent, self.threshold)
##
# Simple blur filter.
class BLUR(BuiltinFilter):
name = "Blur"
filterargs = (5, 5), 16, 0, (
1, 1, 1, 1, 1,
1, 0, 0, 0, 1,
1, 0, 0, 0, 1,
1, 0, 0, 0, 1,
1, 1, 1, 1, 1
)
##
# Simple contour filter.
class CONTOUR(BuiltinFilter):
name = "Contour"
filterargs = (3, 3), 1, 255, (
-1, -1, -1,
-1, 8, -1,
-1, -1, -1
)
##
# Simple detail filter.
class DETAIL(BuiltinFilter):
name = "Detail"
filterargs = (3, 3), 6, 0, (
0, -1, 0,
-1, 10, -1,
0, -1, 0
)
##
# Simple edge enhancement filter.
class EDGE_ENHANCE(BuiltinFilter):
name = "Edge-enhance"
filterargs = (3, 3), 2, 0, (
-1, -1, -1,
-1, 10, -1,
-1, -1, -1
)
##
# Simple stronger edge enhancement filter.
class EDGE_ENHANCE_MORE(BuiltinFilter):
name = "Edge-enhance More"
filterargs = (3, 3), 1, 0, (
-1, -1, -1,
-1, 9, -1,
-1, -1, -1
)
##
# Simple embossing filter.
class EMBOSS(BuiltinFilter):
name = "Emboss"
filterargs = (3, 3), 1, 128, (
-1, 0, 0,
0, 1, 0,
0, 0, 0
)
##
# Simple edge-finding filter.
class FIND_EDGES(BuiltinFilter):
name = "Find Edges"
filterargs = (3, 3), 1, 0, (
-1, -1, -1,
-1, 8, -1,
-1, -1, -1
)
##
# Simple smoothing filter.
class SMOOTH(BuiltinFilter):
name = "Smooth"
filterargs = (3, 3), 13, 0, (
1, 1, 1,
1, 5, 1,
1, 1, 1
)
##
# Simple stronger smoothing filter.
class SMOOTH_MORE(BuiltinFilter):
name = "Smooth More"
filterargs = (5, 5), 100, 0, (
1, 1, 1, 1, 1,
1, 5, 5, 5, 1,
1, 5, 44, 5, 1,
1, 5, 5, 5, 1,
1, 1, 1, 1, 1
)
##
# Simple sharpening filter.
class SHARPEN(BuiltinFilter):
name = "Sharpen"
filterargs = (3, 3), 16, 0, (
-2, -2, -2,
-2, 32, -2,
-2, -2, -2
)

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#
# The Python Imaging Library.
# $Id$
#
# PIL raster font management
#
# History:
# 1996-08-07 fl created (experimental)
# 1997-08-25 fl minor adjustments to handle fonts from pilfont 0.3
# 1999-02-06 fl rewrote most font management stuff in C
# 1999-03-17 fl take pth files into account in load_path (from Richard Jones)
# 2001-02-17 fl added freetype support
# 2001-05-09 fl added TransposedFont wrapper class
# 2002-03-04 fl make sure we have a "L" or "1" font
# 2002-12-04 fl skip non-directory entries in the system path
# 2003-04-29 fl add embedded default font
# 2003-09-27 fl added support for truetype charmap encodings
#
# Todo:
# Adapt to PILFONT2 format (16-bit fonts, compressed, single file)
#
# Copyright (c) 1997-2003 by Secret Labs AB
# Copyright (c) 1996-2003 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image
import os, string, sys
class _imagingft_not_installed:
# module placeholder
def __getattr__(self, id):
raise ImportError("The _imagingft C module is not installed")
try:
import _imagingft
core = _imagingft
del _imagingft
except ImportError:
core = _imagingft_not_installed()
# FIXME: add support for pilfont2 format (see FontFile.py)
# --------------------------------------------------------------------
# Font metrics format:
# "PILfont" LF
# fontdescriptor LF
# (optional) key=value... LF
# "DATA" LF
# binary data: 256*10*2 bytes (dx, dy, dstbox, srcbox)
#
# To place a character, cut out srcbox and paste at dstbox,
# relative to the character position. Then move the character
# position according to dx, dy.
# --------------------------------------------------------------------
##
# The <b>ImageFont</b> module defines a class with the same name.
# Instances of this class store bitmap fonts, and are used with the
# <b>text</b> method of the <b>ImageDraw</b> class.
# <p>
# PIL uses it's own font file format to store bitmap fonts. You can
# use the <b>pilfont</b> utility to convert BDF and PCF font
# descriptors (X window font formats) to this format.
# <p>
# Starting with version 1.1.4, PIL can be configured to support
# TrueType and OpenType fonts. For earlier version, TrueType
# support is only available as part of the imToolkit package
#
# @see ImageDraw#ImageDraw.text
# @see pilfont
class ImageFont:
"PIL font wrapper"
def _load_pilfont(self, filename):
file = open(filename, "rb")
for ext in (".png", ".gif", ".pbm"):
try:
fullname = os.path.splitext(filename)[0] + ext
image = Image.open(fullname)
except:
pass
else:
if image and image.mode in ("1", "L"):
break
else:
raise IOError("cannot find glyph data file")
self.file = fullname
return self._load_pilfont_data(file, image)
def _load_pilfont_data(self, file, image):
# read PILfont header
if file.readline() != "PILfont\n":
raise SyntaxError("Not a PILfont file")
d = string.split(file.readline(), ";")
self.info = [] # FIXME: should be a dictionary
while True:
s = file.readline()
if not s or s == "DATA\n":
break
self.info.append(s)
# read PILfont metrics
data = file.read(256*20)
# check image
if image.mode not in ("1", "L"):
raise TypeError("invalid font image mode")
image.load()
self.font = Image.core.font(image.im, data)
# delegate critical operations to internal type
self.getsize = self.font.getsize
self.getmask = self.font.getmask
##
# Wrapper for FreeType fonts. Application code should use the
# <b>truetype</b> factory function to create font objects.
class FreeTypeFont:
"FreeType font wrapper (requires _imagingft service)"
def __init__(self, file, size, index=0, encoding=""):
# FIXME: use service provider instead
self.font = core.getfont(file, size, index, encoding)
def getname(self):
return self.font.family, self.font.style
def getmetrics(self):
return self.font.ascent, self.font.descent
def getsize(self, text):
return self.font.getsize(text)[0]
def getmask(self, text, mode=""):
return self.getmask2(text, mode)[0]
def getmask2(self, text, mode="", fill=Image.core.fill):
size, offset = self.font.getsize(text)
im = fill("L", size, 0)
self.font.render(text, im.id, mode=="1")
return im, offset
##
# Wrapper that creates a transposed font from any existing font
# object.
#
# @param font A font object.
# @param orientation An optional orientation. If given, this should
# be one of Image.FLIP_LEFT_RIGHT, Image.FLIP_TOP_BOTTOM,
# Image.ROTATE_90, Image.ROTATE_180, or Image.ROTATE_270.
class TransposedFont:
"Wrapper for writing rotated or mirrored text"
def __init__(self, font, orientation=None):
self.font = font
self.orientation = orientation # any 'transpose' argument, or None
def getsize(self, text):
w, h = self.font.getsize(text)
if self.orientation in (Image.ROTATE_90, Image.ROTATE_270):
return h, w
return w, h
def getmask(self, text, mode=""):
im = self.font.getmask(text, mode)
if self.orientation is not None:
return im.transpose(self.orientation)
return im
##
# Load font file. This function loads a font object from the given
# bitmap font file, and returns the corresponding font object.
#
# @param filename Name of font file.
# @return A font object.
# @exception IOError If the file could not be read.
def load(filename):
"Load a font file."
f = ImageFont()
f._load_pilfont(filename)
return f
##
# Load a TrueType or OpenType font file, and create a font object.
# This function loads a font object from the given file, and creates
# a font object for a font of the given size.
# <p>
# This function requires the _imagingft service.
#
# @param filename A truetype font file. Under Windows, if the file
# is not found in this filename, the loader also looks in Windows
# <b>fonts</b> directory
# @param size The requested size, in points.
# @param index Which font face to load (default is first available face).
# @param encoding Which font encoding to use (default is Unicode). Common
# encodings are "unic" (Unicode), "symb" (Microsoft Symbol), "ADOB"
# (Adobe Standard), "ADBE" (Adobe Expert), and "armn" (Apple Roman).
# See the FreeType documentation for more information.
# @return A font object.
# @exception IOError If the file could not be read.
def truetype(filename, size, index=0, encoding=""):
"Load a truetype font file."
try:
return FreeTypeFont(filename, size, index, encoding)
except IOError:
if sys.platform == "win32":
# check the windows font repository
# NOTE: must use uppercase WINDIR, to work around bugs in
# 1.5.2's os.environ.get()
windir = os.environ.get("WINDIR")
if windir:
filename = os.path.join(windir, "fonts", filename)
return FreeTypeFont(filename, size, index, encoding)
raise
##
# Load font file. Same as load, but searches for a bitmap font along
# the Python path.
#
# @param filename Name of font file.
# @return A font object.
# @exception IOError If the file could not be read.
# @see #load
def load_path(filename):
"Load a font file, searching along the Python path."
for dir in sys.path:
if Image.isDirectory(dir):
try:
return load(os.path.join(dir, filename))
except IOError:
pass
raise IOError("cannot find font file")
##
# Load a (probably rather ugly) default font.
#
# @return A font object.
def load_default():
"Load a default font."
from StringIO import StringIO
import base64
f = ImageFont()
f._load_pilfont_data(
# courB08
StringIO(base64.decodestring('''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+QAGAAIAzgAKANUAEw==
''')), Image.open(StringIO(base64.decodestring('''
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w7IkEbzhVQAAAABJRU5ErkJggg==
'''))))
return f
if __name__ == "__main__":
# create font data chunk for embedding
import base64, os, sys
font = "../Images/courB08"
print " f._load_pilfont_data("
print " # %s" % os.path.basename(font)
print " StringIO(base64.decodestring('''"
base64.encode(open(font + ".pil", "rb"), sys.stdout)
print "''')), Image.open(StringIO(base64.decodestring('''"
base64.encode(open(font + ".pbm", "rb"), sys.stdout)
print "'''))))"

28
Darwin/lib/python2.7/site-packages/PIL/ImageGL.py Normal file
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@ -0,0 +1,28 @@
#
# The Python Imaging Library.
# $Id$
#
# OpenGL pixmap/texture interface (requires imToolkit OpenGL extensions)
#
# History:
# 2003-09-13 fl Added
#
# Copyright (c) Secret Labs AB 2003.
#
# See the README file for information on usage and redistribution.
#
##
# OpenGL pixmap/texture interface (requires imToolkit OpenGL
# extensions.)
##
import _imaginggl
##
# Texture factory.
class TextureFactory:
pass # overwritten by the _imaginggl module
from _imaginggl import *

71
Darwin/lib/python2.7/site-packages/PIL/ImageGrab.py Normal file
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@ -0,0 +1,71 @@
#
# The Python Imaging Library
# $Id$
#
# screen grabber (windows only)
#
# History:
# 2001-04-26 fl created
# 2001-09-17 fl use builtin driver, if present
# 2002-11-19 fl added grabclipboard support
#
# Copyright (c) 2001-2002 by Secret Labs AB
# Copyright (c) 2001-2002 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image
##
# (New in 1.1.3) The <b>ImageGrab</b> module can be used to copy
# the contents of the screen to a PIL image memory.
# <p>
# The current version works on Windows only.</p>
#
# @since 1.1.3
##
try:
# built-in driver (1.1.3 and later)
grabber = Image.core.grabscreen
except AttributeError:
# stand-alone driver (pil plus)
import _grabscreen
grabber = _grabscreen.grab
##
# (New in 1.1.3) Take a snapshot of the screen. The pixels inside the
# bounding box are returned as an "RGB" image. If the bounding box is
# omitted, the entire screen is copied.
#
# @param bbox What region to copy. Default is the entire screen.
# @return An image
# @since 1.1.3
def grab(bbox=None):
size, data = grabber()
im = Image.fromstring(
"RGB", size, data,
# RGB, 32-bit line padding, origo in lower left corner
"raw", "BGR", (size[0]*3 + 3) & -4, -1
)
if bbox:
im = im.crop(bbox)
return im
##
# (New in 1.1.4) Take a snapshot of the clipboard image, if any.
#
# @return An image, a list of filenames, or None if the clipboard does
# not contain image data or filenames. Note that if a list is
# returned, the filenames may not represent image files.
# @since 1.1.4
def grabclipboard():
debug = 0 # temporary interface
data = Image.core.grabclipboard(debug)
if Image.isStringType(data):
import BmpImagePlugin, StringIO
return BmpImagePlugin.DibImageFile(StringIO.StringIO(data))
return data

207
Darwin/lib/python2.7/site-packages/PIL/ImageMath.py Normal file
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@ -0,0 +1,207 @@
#
# The Python Imaging Library
# $Id$
#
# a simple math add-on for the Python Imaging Library
#
# History:
# 1999-02-15 fl Original PIL Plus release
# 2005-05-05 fl Simplified and cleaned up for PIL 1.1.6
# 2005-09-12 fl Fixed int() and float() for Python 2.4.1
#
# Copyright (c) 1999-2005 by Secret Labs AB
# Copyright (c) 2005 by Fredrik Lundh
#
# See the README file for information on usage and redistribution.
#
import Image
import _imagingmath
VERBOSE = 0
def _isconstant(v):
return isinstance(v, type(0)) or isinstance(v, type(0.0))
class _Operand:
# wraps an image operand, providing standard operators
def __init__(self, im):
self.im = im
def __fixup(self, im1):
# convert image to suitable mode
if isinstance(im1, _Operand):
# argument was an image.
if im1.im.mode in ("1", "L"):
return im1.im.convert("I")
elif im1.im.mode in ("I", "F"):
return im1.im
else:
raise ValueError, "unsupported mode: %s" % im1.im.mode
else:
# argument was a constant
if _isconstant(im1) and self.im.mode in ("1", "L", "I"):
return Image.new("I", self.im.size, im1)
else:
return Image.new("F", self.im.size, im1)
def apply(self, op, im1, im2=None, mode=None):
im1 = self.__fixup(im1)
if im2 is None:
# unary operation
out = Image.new(mode or im1.mode, im1.size, None)
im1.load()
try:
op = getattr(_imagingmath, op+"_"+im1.mode)
except AttributeError:
raise TypeError, "bad operand type for '%s'" % op
_imagingmath.unop(op, out.im.id, im1.im.id)
else:
# binary operation
im2 = self.__fixup(im2)
if im1.mode != im2.mode:
# convert both arguments to floating point
if im1.mode != "F": im1 = im1.convert("F")
if im2.mode != "F": im2 = im2.convert("F")
if im1.mode != im2.mode:
raise ValueError, "mode mismatch"
if im1.size != im2.size:
# crop both arguments to a common size
size = (min(im1.size[0], im2.size[0]),
min(im1.size[1], im2.size[1]))
if im1.size != size: im1 = im1.crop((0, 0) + size)
if im2.size != size: im2 = im2.crop((0, 0) + size)
out = Image.new(mode or im1.mode, size, None)
else:
out = Image.new(mode or im1.mode, im1.size, None)
im1.load(); im2.load()
try:
op = getattr(_imagingmath, op+"_"+im1.mode)
except AttributeError:
raise TypeError, "bad operand type for '%s'" % op
_imagingmath.binop(op, out.im.id, im1.im.id, im2.im.id)
return _Operand(out)
# unary operators
def __nonzero__(self):
# an image is "true" if it contains at least one non-zero pixel
return self.im.getbbox() is not None
def __abs__(self):
return self.apply("abs", self)
def __pos__(self):
return self
def __neg__(self):
return self.apply("neg", self)
# binary operators
def __add__(self, other):
return self.apply("add", self, other)
def __radd__(self, other):
return self.apply("add", other, self)
def __sub__(self, other):
return self.apply("sub", self, other)
def __rsub__(self, other):
return self.apply("sub", other, self)
def __mul__(self, other):
return self.apply("mul", self, other)
def __rmul__(self, other):
return self.apply("mul", other, self)
def __div__(self, other):
return self.apply("div", self, other)
def __rdiv__(self, other):
return self.apply("div", other, self)
def __mod__(self, other):
return self.apply("mod", self, other)
def __rmod__(self, other):
return self.apply("mod", other, self)
def __pow__(self, other):
return self.apply("pow", self, other)
def __rpow__(self, other):
return self.apply("pow", other, self)
# bitwise
def __invert__(self):
return self.apply("invert", self)
def __and__(self, other):
return self.apply("and", self, other)
def __rand__(self, other):
return self.apply("and", other, self)
def __or__(self, other):
return self.apply("or", self, other)
def __ror__(self, other):
return self.apply("or", other, self)
def __xor__(self, other):
return self.apply("xor", self, other)
def __rxor__(self, other):
return self.apply("xor", other, self)
def __lshift__(self, other):
return self.apply("lshift", self, other)
def __rshift__(self, other):
return self.apply("rshift", self, other)
# logical
def __eq__(self, other):
return self.apply("eq", self, other)
def __ne__(self, other):
return self.apply("ne", self, other)
def __lt__(self, other):
return self.apply("lt", self, other)
def __le__(self, other):
return self.apply("le", self, other)
def __gt__(self, other):
return self.apply("gt", self, other)
def __ge__(self, other):
return self.apply("ge", self, other)
# conversions
def imagemath_int(self):
return _Operand(self.im.convert("I"))
def imagemath_float(self):
return _Operand(self.im.convert("F"))
# logical
def imagemath_equal(self, other):
return self.apply("eq", self, other, mode="I")
def imagemath_notequal(self, other):
return self.apply("ne", self, other, mode="I")
def imagemath_min(self, other):
return self.apply("min", self, other)
def imagemath_max(self, other):
return self.apply("max", self, other)
def imagemath_convert(self, mode):
return _Operand(self.im.convert(mode))
ops = {}
for k, v in globals().items():
if k[:10] == "imagemath_":
ops[k[10:]] = v
##
# Evaluates an image expression.
#
# @param expression A string containing a Python-style expression.
# @keyparam options Values to add to the evaluation context. You
# can either use a dictionary, or one or more keyword arguments.
# @return The evaluated expression. This is usually an image object,
# but can also be an integer, a floating point value, or a pixel
# tuple, depending on the expression.
def eval(expression, _dict={}, **kw):
# build execution namespace
args = ops.copy()
args.update(_dict)
args.update(kw)
for k, v in args.items():
if hasattr(v, "im"):
args[k] = _Operand(v)
import __builtin__
out =__builtin__.eval(expression, args)
try:
return out.im
except AttributeError:
return out

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