448 lines
14 KiB
Python
448 lines
14 KiB
Python
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# -*- test-case-name: twisted.python.test.test_dist -*-
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# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""
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Distutils convenience functionality.
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Don't use this outside of Twisted.
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Maintainer: Christopher Armstrong
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"""
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from distutils.command import build_scripts, install_data, build_ext
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from distutils.errors import CompileError
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from distutils import core
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from distutils.core import Extension
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import fnmatch
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import os
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import platform
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import sys
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from twisted import copyright
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from twisted.python.compat import execfile
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STATIC_PACKAGE_METADATA = dict(
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name="Twisted",
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version=copyright.version,
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description="An asynchronous networking framework written in Python",
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author="Twisted Matrix Laboratories",
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author_email="twisted-python@twistedmatrix.com",
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maintainer="Glyph Lefkowitz",
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maintainer_email="glyph@twistedmatrix.com",
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url="http://twistedmatrix.com/",
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license="MIT",
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long_description="""\
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An extensible framework for Python programming, with special focus
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on event-based network programming and multiprotocol integration.
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""",
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classifiers=[
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"Programming Language :: Python :: 2.6",
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"Programming Language :: Python :: 2.7",
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"Programming Language :: Python :: 3",
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"Programming Language :: Python :: 3.3",
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],
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)
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twisted_subprojects = ["conch", "lore", "mail", "names",
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"news", "pair", "runner", "web",
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"words"]
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class ConditionalExtension(Extension):
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"""
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An extension module that will only be compiled if certain conditions are
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met.
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@param condition: A callable of one argument which returns True or False to
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indicate whether the extension should be built. The argument is an
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instance of L{build_ext_twisted}, which has useful methods for checking
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things about the platform.
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"""
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def __init__(self, *args, **kwargs):
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self.condition = kwargs.pop("condition", lambda builder: True)
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Extension.__init__(self, *args, **kwargs)
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def setup(**kw):
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"""
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An alternative to distutils' setup() which is specially designed
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for Twisted subprojects.
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Pass twisted_subproject=projname if you want package and data
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files to automatically be found for you.
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@param conditionalExtensions: Extensions to optionally build.
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@type conditionalExtensions: C{list} of L{ConditionalExtension}
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"""
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return core.setup(**get_setup_args(**kw))
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def get_setup_args(**kw):
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if 'twisted_subproject' in kw:
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if 'twisted' not in os.listdir('.'):
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raise RuntimeError("Sorry, you need to run setup.py from the "
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"toplevel source directory.")
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projname = kw['twisted_subproject']
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projdir = os.path.join('twisted', projname)
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kw['packages'] = getPackages(projdir, parent='twisted')
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kw['version'] = getVersion(projname)
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plugin = "twisted/plugins/twisted_" + projname + ".py"
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if os.path.exists(plugin):
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kw.setdefault('py_modules', []).append(
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plugin.replace("/", ".")[:-3])
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kw['data_files'] = getDataFiles(projdir, parent='twisted')
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del kw['twisted_subproject']
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else:
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if 'plugins' in kw:
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py_modules = []
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for plg in kw['plugins']:
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py_modules.append("twisted.plugins." + plg)
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kw.setdefault('py_modules', []).extend(py_modules)
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del kw['plugins']
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if 'cmdclass' not in kw:
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kw['cmdclass'] = {
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'install_data': install_data_twisted,
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'build_scripts': build_scripts_twisted}
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if "conditionalExtensions" in kw:
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extensions = kw["conditionalExtensions"]
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del kw["conditionalExtensions"]
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if 'ext_modules' not in kw:
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# This is a workaround for distutils behavior; ext_modules isn't
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# actually used by our custom builder. distutils deep-down checks
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# to see if there are any ext_modules defined before invoking
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# the build_ext command. We need to trigger build_ext regardless
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# because it is the thing that does the conditional checks to see
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# if it should build any extensions. The reason we have to delay
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# the conditional checks until then is that the compiler objects
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# are not yet set up when this code is executed.
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kw["ext_modules"] = extensions
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class my_build_ext(build_ext_twisted):
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conditionalExtensions = extensions
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kw.setdefault('cmdclass', {})['build_ext'] = my_build_ext
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return kw
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def getVersion(proj, base="twisted"):
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"""
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Extract the version number for a given project.
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@param proj: the name of the project. Examples are "core",
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"conch", "words", "mail".
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@rtype: str
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@returns: The version number of the project, as a string like
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"2.0.0".
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"""
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if proj == 'core':
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vfile = os.path.join(base, '_version.py')
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else:
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vfile = os.path.join(base, proj, '_version.py')
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ns = {'__name__': 'Nothing to see here'}
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execfile(vfile, ns)
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return ns['version'].base()
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# Names that are exluded from globbing results:
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EXCLUDE_NAMES = ["{arch}", "CVS", ".cvsignore", "_darcs",
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"RCS", "SCCS", ".svn"]
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EXCLUDE_PATTERNS = ["*.py[cdo]", "*.s[ol]", ".#*", "*~", "*.py"]
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def _filterNames(names):
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"""
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Given a list of file names, return those names that should be copied.
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"""
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names = [n for n in names
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if n not in EXCLUDE_NAMES]
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# This is needed when building a distro from a working
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# copy (likely a checkout) rather than a pristine export:
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for pattern in EXCLUDE_PATTERNS:
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names = [n for n in names
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if (not fnmatch.fnmatch(n, pattern))
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and (not n.endswith('.py'))]
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return names
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def relativeTo(base, relativee):
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"""
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Gets 'relativee' relative to 'basepath'.
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i.e.,
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>>> relativeTo('/home/', '/home/radix/')
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'radix'
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>>> relativeTo('.', '/home/radix/Projects/Twisted') # curdir is /home/radix
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'Projects/Twisted'
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The 'relativee' must be a child of 'basepath'.
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"""
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basepath = os.path.abspath(base)
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relativee = os.path.abspath(relativee)
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if relativee.startswith(basepath):
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relative = relativee[len(basepath):]
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if relative.startswith(os.sep):
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relative = relative[1:]
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return os.path.join(base, relative)
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raise ValueError("%s is not a subpath of %s" % (relativee, basepath))
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def getDataFiles(dname, ignore=None, parent=None):
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"""
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Get all the data files that should be included in this distutils Project.
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'dname' should be the path to the package that you're distributing.
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'ignore' is a list of sub-packages to ignore. This facilitates
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disparate package hierarchies. That's a fancy way of saying that
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the 'twisted' package doesn't want to include the 'twisted.conch'
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package, so it will pass ['conch'] as the value.
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'parent' is necessary if you're distributing a subpackage like
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twisted.conch. 'dname' should point to 'twisted/conch' and 'parent'
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should point to 'twisted'. This ensures that your data_files are
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generated correctly, only using relative paths for the first element
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of the tuple ('twisted/conch/*').
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The default 'parent' is the current working directory.
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"""
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parent = parent or "."
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ignore = ignore or []
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result = []
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for directory, subdirectories, filenames in os.walk(dname):
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resultfiles = []
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for exname in EXCLUDE_NAMES:
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if exname in subdirectories:
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subdirectories.remove(exname)
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for ig in ignore:
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if ig in subdirectories:
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subdirectories.remove(ig)
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for filename in _filterNames(filenames):
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resultfiles.append(filename)
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if resultfiles:
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result.append((relativeTo(parent, directory),
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[relativeTo(parent,
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os.path.join(directory, filename))
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for filename in resultfiles]))
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return result
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def getExtensions():
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"""
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Get all extensions from core and all subprojects.
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"""
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extensions = []
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if not sys.platform.startswith('java'):
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for dir in os.listdir("twisted") + [""]:
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topfiles = os.path.join("twisted", dir, "topfiles")
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if os.path.isdir(topfiles):
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ns = {}
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setup_py = os.path.join(topfiles, "setup.py")
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execfile(setup_py, ns, ns)
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if "extensions" in ns:
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extensions.extend(ns["extensions"])
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return extensions
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def getPackages(dname, pkgname=None, results=None, ignore=None, parent=None):
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"""
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Get all packages which are under dname. This is necessary for
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Python 2.2's distutils. Pretty similar arguments to getDataFiles,
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including 'parent'.
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"""
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parent = parent or ""
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prefix = []
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if parent:
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prefix = [parent]
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bname = os.path.basename(dname)
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ignore = ignore or []
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if bname in ignore:
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return []
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if results is None:
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results = []
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if pkgname is None:
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pkgname = []
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subfiles = os.listdir(dname)
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abssubfiles = [os.path.join(dname, x) for x in subfiles]
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if '__init__.py' in subfiles:
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results.append(prefix + pkgname + [bname])
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for subdir in filter(os.path.isdir, abssubfiles):
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getPackages(subdir, pkgname=pkgname + [bname],
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results=results, ignore=ignore,
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parent=parent)
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res = ['.'.join(result) for result in results]
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return res
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def getAllScripts():
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# "" is included because core scripts are directly in bin/
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projects = [''] + [x for x in os.listdir('bin')
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if os.path.isdir(os.path.join("bin", x))
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and x in twisted_subprojects]
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scripts = []
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for i in projects:
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scripts.extend(getScripts(i))
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return scripts
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def getScripts(projname, basedir=''):
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"""
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Returns a list of scripts for a Twisted subproject; this works in
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any of an SVN checkout, a project-specific tarball.
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"""
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scriptdir = os.path.join(basedir, 'bin', projname)
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if not os.path.isdir(scriptdir):
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# Probably a project-specific tarball, in which case only this
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# project's bins are included in 'bin'
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scriptdir = os.path.join(basedir, 'bin')
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if not os.path.isdir(scriptdir):
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return []
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thingies = os.listdir(scriptdir)
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for specialExclusion in ['.svn', '_preamble.py', '_preamble.pyc']:
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if specialExclusion in thingies:
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thingies.remove(specialExclusion)
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return filter(os.path.isfile,
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[os.path.join(scriptdir, x) for x in thingies])
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## Helpers and distutil tweaks
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class build_scripts_twisted(build_scripts.build_scripts):
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"""
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Renames scripts so they end with '.py' on Windows.
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"""
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def run(self):
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build_scripts.build_scripts.run(self)
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if not os.name == "nt":
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return
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for f in os.listdir(self.build_dir):
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fpath = os.path.join(self.build_dir, f)
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if not fpath.endswith(".py"):
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pypath = fpath + ".py"
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if os.path.exists(pypath):
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os.unlink(pypath)
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os.rename(fpath, pypath)
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class install_data_twisted(install_data.install_data):
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"""
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I make sure data files are installed in the package directory.
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"""
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def finalize_options(self):
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self.set_undefined_options('install',
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('install_lib', 'install_dir')
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)
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install_data.install_data.finalize_options(self)
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class build_ext_twisted(build_ext.build_ext):
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"""
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Allow subclasses to easily detect and customize Extensions to
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build at install-time.
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"""
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def prepare_extensions(self):
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"""
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Prepare the C{self.extensions} attribute (used by
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L{build_ext.build_ext}) by checking which extensions in
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L{conditionalExtensions} should be built. In addition, if we are
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building on NT, define the WIN32 macro to 1.
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"""
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# always define WIN32 under Windows
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if os.name == 'nt':
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self.define_macros = [("WIN32", 1)]
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else:
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self.define_macros = []
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# On Solaris 10, we need to define the _XOPEN_SOURCE and
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# _XOPEN_SOURCE_EXTENDED macros to build in order to gain access to
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# the msg_control, msg_controllen, and msg_flags members in
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# sendmsg.c. (according to
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# http://stackoverflow.com/questions/1034587). See the documentation
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# of X/Open CAE in the standards(5) man page of Solaris.
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if sys.platform.startswith('sunos'):
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self.define_macros.append(('_XOPEN_SOURCE', 1))
|
||
|
|
self.define_macros.append(('_XOPEN_SOURCE_EXTENDED', 1))
|
||
|
|
|
||
|
|
self.extensions = [x for x in self.conditionalExtensions
|
||
|
|
if x.condition(self)]
|
||
|
|
|
||
|
|
for ext in self.extensions:
|
||
|
|
ext.define_macros.extend(self.define_macros)
|
||
|
|
|
||
|
|
|
||
|
|
def build_extensions(self):
|
||
|
|
"""
|
||
|
|
Check to see which extension modules to build and then build them.
|
||
|
|
"""
|
||
|
|
self.prepare_extensions()
|
||
|
|
build_ext.build_ext.build_extensions(self)
|
||
|
|
|
||
|
|
|
||
|
|
def _remove_conftest(self):
|
||
|
|
for filename in ("conftest.c", "conftest.o", "conftest.obj"):
|
||
|
|
try:
|
||
|
|
os.unlink(filename)
|
||
|
|
except EnvironmentError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
def _compile_helper(self, content):
|
||
|
|
conftest = open("conftest.c", "w")
|
||
|
|
try:
|
||
|
|
conftest.write(content)
|
||
|
|
conftest.close()
|
||
|
|
|
||
|
|
try:
|
||
|
|
self.compiler.compile(["conftest.c"], output_dir='')
|
||
|
|
except CompileError:
|
||
|
|
return False
|
||
|
|
return True
|
||
|
|
finally:
|
||
|
|
self._remove_conftest()
|
||
|
|
|
||
|
|
|
||
|
|
def _check_header(self, header_name):
|
||
|
|
"""
|
||
|
|
Check if the given header can be included by trying to compile a file
|
||
|
|
that contains only an #include line.
|
||
|
|
"""
|
||
|
|
self.compiler.announce("checking for %s ..." % header_name, 0)
|
||
|
|
return self._compile_helper("#include <%s>\n" % header_name)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
def _checkCPython(sys=sys, platform=platform):
|
||
|
|
"""
|
||
|
|
Checks if this implementation is CPython.
|
||
|
|
|
||
|
|
This uses C{platform.python_implementation}.
|
||
|
|
|
||
|
|
This takes C{sys} and C{platform} kwargs that by default use the real
|
||
|
|
modules. You shouldn't care about these -- they are for testing purposes
|
||
|
|
only.
|
||
|
|
|
||
|
|
@return: C{False} if the implementation is definitely not CPython, C{True}
|
||
|
|
otherwise.
|
||
|
|
"""
|
||
|
|
return platform.python_implementation() == "CPython"
|
||
|
|
|
||
|
|
|
||
|
|
_isCPython = _checkCPython()
|