495 lines
19 KiB
Python
495 lines
19 KiB
Python
"""distutils.command.sdist
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Implements the Distutils 'sdist' command (create a source distribution)."""
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import os
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import sys
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from glob import glob
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from warnings import warn
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from distutils.core import Command
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from distutils import dir_util
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from distutils import file_util
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from distutils import archive_util
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from distutils.text_file import TextFile
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from distutils.filelist import FileList
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from distutils import log
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from distutils.util import convert_path
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from distutils.errors import DistutilsTemplateError, DistutilsOptionError
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def show_formats():
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"""Print all possible values for the 'formats' option (used by
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the "--help-formats" command-line option).
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"""
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from distutils.fancy_getopt import FancyGetopt
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from distutils.archive_util import ARCHIVE_FORMATS
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formats = []
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for format in ARCHIVE_FORMATS.keys():
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formats.append(("formats=" + format, None,
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ARCHIVE_FORMATS[format][2]))
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formats.sort()
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FancyGetopt(formats).print_help(
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"List of available source distribution formats:")
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class sdist(Command):
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description = "create a source distribution (tarball, zip file, etc.)"
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def checking_metadata(self):
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"""Callable used for the check sub-command.
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Placed here so user_options can view it"""
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return self.metadata_check
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user_options = [
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('template=', 't',
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"name of manifest template file [default: MANIFEST.in]"),
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('manifest=', 'm',
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"name of manifest file [default: MANIFEST]"),
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('use-defaults', None,
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"include the default file set in the manifest "
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"[default; disable with --no-defaults]"),
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('no-defaults', None,
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"don't include the default file set"),
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('prune', None,
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"specifically exclude files/directories that should not be "
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"distributed (build tree, RCS/CVS dirs, etc.) "
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"[default; disable with --no-prune]"),
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('no-prune', None,
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"don't automatically exclude anything"),
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('manifest-only', 'o',
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"just regenerate the manifest and then stop "
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"(implies --force-manifest)"),
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('force-manifest', 'f',
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"forcibly regenerate the manifest and carry on as usual. "
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"Deprecated: now the manifest is always regenerated."),
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('formats=', None,
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"formats for source distribution (comma-separated list)"),
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('keep-temp', 'k',
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"keep the distribution tree around after creating " +
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"archive file(s)"),
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('dist-dir=', 'd',
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"directory to put the source distribution archive(s) in "
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"[default: dist]"),
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('metadata-check', None,
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"Ensure that all required elements of meta-data "
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"are supplied. Warn if any missing. [default]"),
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('owner=', 'u',
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"Owner name used when creating a tar file [default: current user]"),
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('group=', 'g',
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"Group name used when creating a tar file [default: current group]"),
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]
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boolean_options = ['use-defaults', 'prune',
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'manifest-only', 'force-manifest',
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'keep-temp', 'metadata-check']
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help_options = [
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('help-formats', None,
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"list available distribution formats", show_formats),
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]
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negative_opt = {'no-defaults': 'use-defaults',
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'no-prune': 'prune' }
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sub_commands = [('check', checking_metadata)]
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READMES = ('README', 'README.txt', 'README.rst')
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def initialize_options(self):
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# 'template' and 'manifest' are, respectively, the names of
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# the manifest template and manifest file.
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self.template = None
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self.manifest = None
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# 'use_defaults': if true, we will include the default file set
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# in the manifest
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self.use_defaults = 1
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self.prune = 1
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self.manifest_only = 0
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self.force_manifest = 0
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self.formats = ['gztar']
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self.keep_temp = 0
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self.dist_dir = None
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self.archive_files = None
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self.metadata_check = 1
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self.owner = None
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self.group = None
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def finalize_options(self):
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if self.manifest is None:
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self.manifest = "MANIFEST"
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if self.template is None:
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self.template = "MANIFEST.in"
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self.ensure_string_list('formats')
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bad_format = archive_util.check_archive_formats(self.formats)
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if bad_format:
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raise DistutilsOptionError(
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"unknown archive format '%s'" % bad_format)
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if self.dist_dir is None:
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self.dist_dir = "dist"
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def run(self):
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# 'filelist' contains the list of files that will make up the
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# manifest
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self.filelist = FileList()
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# Run sub commands
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for cmd_name in self.get_sub_commands():
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self.run_command(cmd_name)
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# Do whatever it takes to get the list of files to process
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# (process the manifest template, read an existing manifest,
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# whatever). File list is accumulated in 'self.filelist'.
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self.get_file_list()
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# If user just wanted us to regenerate the manifest, stop now.
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if self.manifest_only:
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return
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# Otherwise, go ahead and create the source distribution tarball,
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# or zipfile, or whatever.
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self.make_distribution()
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def check_metadata(self):
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"""Deprecated API."""
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warn("distutils.command.sdist.check_metadata is deprecated, \
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use the check command instead", PendingDeprecationWarning)
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check = self.distribution.get_command_obj('check')
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check.ensure_finalized()
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check.run()
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def get_file_list(self):
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"""Figure out the list of files to include in the source
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distribution, and put it in 'self.filelist'. This might involve
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reading the manifest template (and writing the manifest), or just
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reading the manifest, or just using the default file set -- it all
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depends on the user's options.
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"""
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# new behavior when using a template:
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# the file list is recalculated every time because
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# even if MANIFEST.in or setup.py are not changed
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# the user might have added some files in the tree that
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# need to be included.
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#
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# This makes --force the default and only behavior with templates.
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template_exists = os.path.isfile(self.template)
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if not template_exists and self._manifest_is_not_generated():
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self.read_manifest()
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self.filelist.sort()
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self.filelist.remove_duplicates()
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return
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if not template_exists:
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self.warn(("manifest template '%s' does not exist " +
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"(using default file list)") %
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self.template)
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self.filelist.findall()
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if self.use_defaults:
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self.add_defaults()
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if template_exists:
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self.read_template()
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if self.prune:
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self.prune_file_list()
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self.filelist.sort()
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self.filelist.remove_duplicates()
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self.write_manifest()
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def add_defaults(self):
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"""Add all the default files to self.filelist:
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- README or README.txt
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- setup.py
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- test/test*.py
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- all pure Python modules mentioned in setup script
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- all files pointed by package_data (build_py)
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- all files defined in data_files.
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- all files defined as scripts.
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- all C sources listed as part of extensions or C libraries
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in the setup script (doesn't catch C headers!)
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Warns if (README or README.txt) or setup.py are missing; everything
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else is optional.
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"""
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self._add_defaults_standards()
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self._add_defaults_optional()
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self._add_defaults_python()
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self._add_defaults_data_files()
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self._add_defaults_ext()
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self._add_defaults_c_libs()
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self._add_defaults_scripts()
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@staticmethod
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def _cs_path_exists(fspath):
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"""
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Case-sensitive path existence check
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>>> sdist._cs_path_exists(__file__)
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True
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>>> sdist._cs_path_exists(__file__.upper())
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False
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"""
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if not os.path.exists(fspath):
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return False
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# make absolute so we always have a directory
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abspath = os.path.abspath(fspath)
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directory, filename = os.path.split(abspath)
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return filename in os.listdir(directory)
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def _add_defaults_standards(self):
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standards = [self.READMES, self.distribution.script_name]
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for fn in standards:
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if isinstance(fn, tuple):
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alts = fn
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got_it = False
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for fn in alts:
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if self._cs_path_exists(fn):
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got_it = True
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self.filelist.append(fn)
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break
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if not got_it:
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self.warn("standard file not found: should have one of " +
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', '.join(alts))
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else:
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if self._cs_path_exists(fn):
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self.filelist.append(fn)
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else:
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self.warn("standard file '%s' not found" % fn)
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def _add_defaults_optional(self):
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optional = ['test/test*.py', 'setup.cfg']
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for pattern in optional:
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files = filter(os.path.isfile, glob(pattern))
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self.filelist.extend(files)
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def _add_defaults_python(self):
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# build_py is used to get:
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# - python modules
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# - files defined in package_data
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build_py = self.get_finalized_command('build_py')
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# getting python files
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if self.distribution.has_pure_modules():
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self.filelist.extend(build_py.get_source_files())
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# getting package_data files
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# (computed in build_py.data_files by build_py.finalize_options)
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for pkg, src_dir, build_dir, filenames in build_py.data_files:
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for filename in filenames:
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self.filelist.append(os.path.join(src_dir, filename))
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def _add_defaults_data_files(self):
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# getting distribution.data_files
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if self.distribution.has_data_files():
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for item in self.distribution.data_files:
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if isinstance(item, str):
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# plain file
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item = convert_path(item)
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if os.path.isfile(item):
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self.filelist.append(item)
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else:
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# a (dirname, filenames) tuple
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dirname, filenames = item
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for f in filenames:
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f = convert_path(f)
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if os.path.isfile(f):
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self.filelist.append(f)
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def _add_defaults_ext(self):
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if self.distribution.has_ext_modules():
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build_ext = self.get_finalized_command('build_ext')
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self.filelist.extend(build_ext.get_source_files())
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def _add_defaults_c_libs(self):
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if self.distribution.has_c_libraries():
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build_clib = self.get_finalized_command('build_clib')
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self.filelist.extend(build_clib.get_source_files())
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def _add_defaults_scripts(self):
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if self.distribution.has_scripts():
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build_scripts = self.get_finalized_command('build_scripts')
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self.filelist.extend(build_scripts.get_source_files())
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def read_template(self):
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"""Read and parse manifest template file named by self.template.
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(usually "MANIFEST.in") The parsing and processing is done by
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'self.filelist', which updates itself accordingly.
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"""
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log.info("reading manifest template '%s'", self.template)
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template = TextFile(self.template, strip_comments=1, skip_blanks=1,
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join_lines=1, lstrip_ws=1, rstrip_ws=1,
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collapse_join=1)
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try:
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while True:
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line = template.readline()
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if line is None: # end of file
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break
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try:
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self.filelist.process_template_line(line)
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# the call above can raise a DistutilsTemplateError for
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# malformed lines, or a ValueError from the lower-level
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# convert_path function
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except (DistutilsTemplateError, ValueError) as msg:
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self.warn("%s, line %d: %s" % (template.filename,
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template.current_line,
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msg))
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finally:
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template.close()
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def prune_file_list(self):
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"""Prune off branches that might slip into the file list as created
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by 'read_template()', but really don't belong there:
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* the build tree (typically "build")
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* the release tree itself (only an issue if we ran "sdist"
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previously with --keep-temp, or it aborted)
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* any RCS, CVS, .svn, .hg, .git, .bzr, _darcs directories
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"""
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build = self.get_finalized_command('build')
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base_dir = self.distribution.get_fullname()
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self.filelist.exclude_pattern(None, prefix=build.build_base)
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self.filelist.exclude_pattern(None, prefix=base_dir)
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if sys.platform == 'win32':
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seps = r'/|\\'
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else:
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seps = '/'
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vcs_dirs = ['RCS', 'CVS', r'\.svn', r'\.hg', r'\.git', r'\.bzr',
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'_darcs']
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vcs_ptrn = r'(^|%s)(%s)(%s).*' % (seps, '|'.join(vcs_dirs), seps)
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self.filelist.exclude_pattern(vcs_ptrn, is_regex=1)
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def write_manifest(self):
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"""Write the file list in 'self.filelist' (presumably as filled in
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by 'add_defaults()' and 'read_template()') to the manifest file
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named by 'self.manifest'.
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"""
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if self._manifest_is_not_generated():
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log.info("not writing to manually maintained "
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"manifest file '%s'" % self.manifest)
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return
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content = self.filelist.files[:]
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content.insert(0, '# file GENERATED by distutils, do NOT edit')
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self.execute(file_util.write_file, (self.manifest, content),
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"writing manifest file '%s'" % self.manifest)
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def _manifest_is_not_generated(self):
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# check for special comment used in 3.1.3 and higher
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if not os.path.isfile(self.manifest):
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return False
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fp = open(self.manifest)
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try:
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first_line = fp.readline()
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finally:
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fp.close()
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return first_line != '# file GENERATED by distutils, do NOT edit\n'
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def read_manifest(self):
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"""Read the manifest file (named by 'self.manifest') and use it to
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fill in 'self.filelist', the list of files to include in the source
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distribution.
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"""
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log.info("reading manifest file '%s'", self.manifest)
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with open(self.manifest) as manifest:
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for line in manifest:
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# ignore comments and blank lines
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line = line.strip()
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if line.startswith('#') or not line:
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continue
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self.filelist.append(line)
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def make_release_tree(self, base_dir, files):
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"""Create the directory tree that will become the source
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distribution archive. All directories implied by the filenames in
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'files' are created under 'base_dir', and then we hard link or copy
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(if hard linking is unavailable) those files into place.
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Essentially, this duplicates the developer's source tree, but in a
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directory named after the distribution, containing only the files
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to be distributed.
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"""
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# Create all the directories under 'base_dir' necessary to
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# put 'files' there; the 'mkpath()' is just so we don't die
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# if the manifest happens to be empty.
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self.mkpath(base_dir)
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dir_util.create_tree(base_dir, files, dry_run=self.dry_run)
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# And walk over the list of files, either making a hard link (if
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# os.link exists) to each one that doesn't already exist in its
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# corresponding location under 'base_dir', or copying each file
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# that's out-of-date in 'base_dir'. (Usually, all files will be
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# out-of-date, because by default we blow away 'base_dir' when
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# we're done making the distribution archives.)
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if hasattr(os, 'link'): # can make hard links on this system
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link = 'hard'
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msg = "making hard links in %s..." % base_dir
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else: # nope, have to copy
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link = None
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msg = "copying files to %s..." % base_dir
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if not files:
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log.warn("no files to distribute -- empty manifest?")
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else:
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log.info(msg)
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for file in files:
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if not os.path.isfile(file):
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log.warn("'%s' not a regular file -- skipping", file)
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else:
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dest = os.path.join(base_dir, file)
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self.copy_file(file, dest, link=link)
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self.distribution.metadata.write_pkg_info(base_dir)
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def make_distribution(self):
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"""Create the source distribution(s). First, we create the release
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tree with 'make_release_tree()'; then, we create all required
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archive files (according to 'self.formats') from the release tree.
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Finally, we clean up by blowing away the release tree (unless
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'self.keep_temp' is true). The list of archive files created is
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stored so it can be retrieved later by 'get_archive_files()'.
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"""
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# Don't warn about missing meta-data here -- should be (and is!)
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# done elsewhere.
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base_dir = self.distribution.get_fullname()
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base_name = os.path.join(self.dist_dir, base_dir)
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self.make_release_tree(base_dir, self.filelist.files)
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archive_files = [] # remember names of files we create
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# tar archive must be created last to avoid overwrite and remove
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if 'tar' in self.formats:
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self.formats.append(self.formats.pop(self.formats.index('tar')))
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for fmt in self.formats:
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file = self.make_archive(base_name, fmt, base_dir=base_dir,
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owner=self.owner, group=self.group)
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archive_files.append(file)
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self.distribution.dist_files.append(('sdist', '', file))
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self.archive_files = archive_files
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if not self.keep_temp:
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dir_util.remove_tree(base_dir, dry_run=self.dry_run)
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def get_archive_files(self):
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"""Return the list of archive files created when the command
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was run, or None if the command hasn't run yet.
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"""
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return self.archive_files
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