352 lines
14 KiB
Python
352 lines
14 KiB
Python
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import sys
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import re
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import fnmatch
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import os
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import shutil
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import zipfile
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from pip.util import display_path, backup_dir, rmtree
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from pip.log import logger
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from pip.exceptions import InstallationError
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from pip.basecommand import Command
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class ZipCommand(Command):
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"""Zip individual packages."""
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name = 'zip'
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usage = """
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%prog [options] <package> ..."""
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summary = 'DEPRECATED. Zip individual packages.'
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def __init__(self, *args, **kw):
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super(ZipCommand, self).__init__(*args, **kw)
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if self.name == 'zip':
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self.cmd_opts.add_option(
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'--unzip',
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action='store_true',
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dest='unzip',
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help='Unzip (rather than zip) a package.')
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else:
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self.cmd_opts.add_option(
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'--zip',
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action='store_false',
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dest='unzip',
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default=True,
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help='Zip (rather than unzip) a package.')
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self.cmd_opts.add_option(
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'--no-pyc',
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action='store_true',
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dest='no_pyc',
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help='Do not include .pyc files in zip files (useful on Google App Engine).')
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self.cmd_opts.add_option(
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'-l', '--list',
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action='store_true',
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dest='list',
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help='List the packages available, and their zip status.')
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self.cmd_opts.add_option(
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'--sort-files',
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action='store_true',
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dest='sort_files',
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help='With --list, sort packages according to how many files they contain.')
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self.cmd_opts.add_option(
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'--path',
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action='append',
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dest='paths',
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help='Restrict operations to the given paths (may include wildcards).')
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self.cmd_opts.add_option(
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'-n', '--simulate',
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action='store_true',
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help='Do not actually perform the zip/unzip operation.')
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self.parser.insert_option_group(0, self.cmd_opts)
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def paths(self):
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"""All the entries of sys.path, possibly restricted by --path"""
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if not self.select_paths:
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return sys.path
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result = []
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match_any = set()
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for path in sys.path:
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path = os.path.normcase(os.path.abspath(path))
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for match in self.select_paths:
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match = os.path.normcase(os.path.abspath(match))
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if '*' in match:
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if re.search(fnmatch.translate(match + '*'), path):
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result.append(path)
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match_any.add(match)
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break
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else:
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if path.startswith(match):
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result.append(path)
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match_any.add(match)
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break
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else:
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logger.debug("Skipping path %s because it doesn't match %s"
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% (path, ', '.join(self.select_paths)))
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for match in self.select_paths:
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if match not in match_any and '*' not in match:
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result.append(match)
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logger.debug("Adding path %s because it doesn't match "
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"anything already on sys.path" % match)
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return result
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def run(self, options, args):
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logger.deprecated('1.7', "DEPRECATION: 'pip zip' and 'pip unzip` are deprecated, and will be removed in a future release.")
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self.select_paths = options.paths
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self.simulate = options.simulate
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if options.list:
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return self.list(options, args)
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if not args:
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raise InstallationError(
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'You must give at least one package to zip or unzip')
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packages = []
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for arg in args:
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module_name, filename = self.find_package(arg)
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if options.unzip and os.path.isdir(filename):
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raise InstallationError(
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'The module %s (in %s) is not a zip file; cannot be unzipped'
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% (module_name, filename))
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elif not options.unzip and not os.path.isdir(filename):
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raise InstallationError(
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'The module %s (in %s) is not a directory; cannot be zipped'
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% (module_name, filename))
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packages.append((module_name, filename))
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last_status = None
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for module_name, filename in packages:
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if options.unzip:
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last_status = self.unzip_package(module_name, filename)
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else:
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last_status = self.zip_package(module_name, filename, options.no_pyc)
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return last_status
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def unzip_package(self, module_name, filename):
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zip_filename = os.path.dirname(filename)
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if not os.path.isfile(zip_filename) and zipfile.is_zipfile(zip_filename):
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raise InstallationError(
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'Module %s (in %s) isn\'t located in a zip file in %s'
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% (module_name, filename, zip_filename))
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package_path = os.path.dirname(zip_filename)
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if not package_path in self.paths():
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logger.warn(
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'Unpacking %s into %s, but %s is not on sys.path'
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% (display_path(zip_filename), display_path(package_path),
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display_path(package_path)))
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logger.notify('Unzipping %s (in %s)' % (module_name, display_path(zip_filename)))
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if self.simulate:
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logger.notify('Skipping remaining operations because of --simulate')
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return
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logger.indent += 2
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try:
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## FIXME: this should be undoable:
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zip = zipfile.ZipFile(zip_filename)
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to_save = []
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for info in zip.infolist():
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name = info.filename
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if name.startswith(module_name + os.path.sep):
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content = zip.read(name)
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dest = os.path.join(package_path, name)
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if not os.path.exists(os.path.dirname(dest)):
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os.makedirs(os.path.dirname(dest))
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if not content and dest.endswith(os.path.sep):
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if not os.path.exists(dest):
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os.makedirs(dest)
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else:
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f = open(dest, 'wb')
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f.write(content)
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f.close()
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else:
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to_save.append((name, zip.read(name)))
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zip.close()
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if not to_save:
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logger.info('Removing now-empty zip file %s' % display_path(zip_filename))
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os.unlink(zip_filename)
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self.remove_filename_from_pth(zip_filename)
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else:
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logger.info('Removing entries in %s/ from zip file %s' % (module_name, display_path(zip_filename)))
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zip = zipfile.ZipFile(zip_filename, 'w')
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for name, content in to_save:
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zip.writestr(name, content)
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zip.close()
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finally:
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logger.indent -= 2
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def zip_package(self, module_name, filename, no_pyc):
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orig_filename = filename
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logger.notify('Zip %s (in %s)' % (module_name, display_path(filename)))
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logger.indent += 2
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if filename.endswith('.egg'):
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dest_filename = filename
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else:
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dest_filename = filename + '.zip'
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try:
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## FIXME: I think this needs to be undoable:
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if filename == dest_filename:
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filename = backup_dir(orig_filename)
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logger.notify('Moving %s aside to %s' % (orig_filename, filename))
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if not self.simulate:
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shutil.move(orig_filename, filename)
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try:
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logger.info('Creating zip file in %s' % display_path(dest_filename))
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if not self.simulate:
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zip = zipfile.ZipFile(dest_filename, 'w')
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zip.writestr(module_name + '/', '')
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for dirpath, dirnames, filenames in os.walk(filename):
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if no_pyc:
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filenames = [f for f in filenames
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if not f.lower().endswith('.pyc')]
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for fns, is_dir in [(dirnames, True), (filenames, False)]:
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for fn in fns:
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full = os.path.join(dirpath, fn)
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dest = os.path.join(module_name, dirpath[len(filename):].lstrip(os.path.sep), fn)
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if is_dir:
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zip.writestr(dest + '/', '')
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else:
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zip.write(full, dest)
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zip.close()
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logger.info('Removing old directory %s' % display_path(filename))
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if not self.simulate:
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rmtree(filename)
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except:
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## FIXME: need to do an undo here
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raise
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## FIXME: should also be undone:
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self.add_filename_to_pth(dest_filename)
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finally:
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logger.indent -= 2
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def remove_filename_from_pth(self, filename):
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for pth in self.pth_files():
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f = open(pth, 'r')
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lines = f.readlines()
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f.close()
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new_lines = [
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l for l in lines if l.strip() != filename]
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if lines != new_lines:
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logger.info('Removing reference to %s from .pth file %s'
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% (display_path(filename), display_path(pth)))
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if not [line for line in new_lines if line]:
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logger.info('%s file would be empty: deleting' % display_path(pth))
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if not self.simulate:
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os.unlink(pth)
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else:
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if not self.simulate:
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f = open(pth, 'wb')
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f.writelines(new_lines)
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f.close()
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return
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logger.warn('Cannot find a reference to %s in any .pth file' % display_path(filename))
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def add_filename_to_pth(self, filename):
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path = os.path.dirname(filename)
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dest = filename + '.pth'
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if path not in self.paths():
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logger.warn('Adding .pth file %s, but it is not on sys.path' % display_path(dest))
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if not self.simulate:
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if os.path.exists(dest):
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f = open(dest)
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lines = f.readlines()
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f.close()
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if lines and not lines[-1].endswith('\n'):
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lines[-1] += '\n'
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lines.append(filename + '\n')
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else:
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lines = [filename + '\n']
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f = open(dest, 'wb')
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f.writelines(lines)
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f.close()
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def pth_files(self):
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for path in self.paths():
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if not os.path.exists(path) or not os.path.isdir(path):
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continue
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for filename in os.listdir(path):
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if filename.endswith('.pth'):
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yield os.path.join(path, filename)
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def find_package(self, package):
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for path in self.paths():
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full = os.path.join(path, package)
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if os.path.exists(full):
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return package, full
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if not os.path.isdir(path) and zipfile.is_zipfile(path):
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zip = zipfile.ZipFile(path, 'r')
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try:
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zip.read(os.path.join(package, '__init__.py'))
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except KeyError:
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pass
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else:
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zip.close()
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return package, full
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zip.close()
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## FIXME: need special error for package.py case:
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raise InstallationError(
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'No package with the name %s found' % package)
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def list(self, options, args):
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if args:
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raise InstallationError(
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'You cannot give an argument with --list')
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for path in sorted(self.paths()):
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if not os.path.exists(path):
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continue
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basename = os.path.basename(path.rstrip(os.path.sep))
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if os.path.isfile(path) and zipfile.is_zipfile(path):
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if os.path.dirname(path) not in self.paths():
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logger.notify('Zipped egg: %s' % display_path(path))
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continue
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if (basename != 'site-packages' and basename != 'dist-packages'
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and not path.replace('\\', '/').endswith('lib/python')):
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continue
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logger.notify('In %s:' % display_path(path))
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logger.indent += 2
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zipped = []
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unzipped = []
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try:
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for filename in sorted(os.listdir(path)):
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ext = os.path.splitext(filename)[1].lower()
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if ext in ('.pth', '.egg-info', '.egg-link'):
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continue
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if ext == '.py':
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logger.info('Not displaying %s: not a package' % display_path(filename))
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continue
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full = os.path.join(path, filename)
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if os.path.isdir(full):
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unzipped.append((filename, self.count_package(full)))
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elif zipfile.is_zipfile(full):
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zipped.append(filename)
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else:
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logger.info('Unknown file: %s' % display_path(filename))
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if zipped:
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logger.notify('Zipped packages:')
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logger.indent += 2
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try:
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for filename in zipped:
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logger.notify(filename)
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finally:
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logger.indent -= 2
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else:
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logger.notify('No zipped packages.')
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if unzipped:
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if options.sort_files:
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unzipped.sort(key=lambda x: -x[1])
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logger.notify('Unzipped packages:')
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logger.indent += 2
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try:
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for filename, count in unzipped:
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logger.notify('%s (%i files)' % (filename, count))
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finally:
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logger.indent -= 2
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else:
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logger.notify('No unzipped packages.')
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finally:
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logger.indent -= 2
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def count_package(self, path):
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total = 0
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for dirpath, dirnames, filenames in os.walk(path):
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filenames = [f for f in filenames
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if not f.lower().endswith('.pyc')]
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total += len(filenames)
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return total
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