454 lines
17 KiB
Python
454 lines
17 KiB
Python
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"""
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Create a wheel (.whl) distribution.
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A wheel is a built archive format.
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"""
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import csv
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import hashlib
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import os
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import subprocess
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import warnings
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import shutil
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import json
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import wheel
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try:
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import sysconfig
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except ImportError: # pragma nocover
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# Python < 2.7
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import distutils.sysconfig as sysconfig
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import pkg_resources
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safe_name = pkg_resources.safe_name
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safe_version = pkg_resources.safe_version
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from shutil import rmtree
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from email.generator import Generator
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from distutils.util import get_platform
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from distutils.core import Command
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from distutils.sysconfig import get_python_version
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from distutils import log as logger
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from .pep425tags import get_abbr_impl, get_impl_ver, get_abi_tag
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from .util import native, open_for_csv
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from .archive import archive_wheelfile
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from .pkginfo import read_pkg_info, write_pkg_info
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from .metadata import pkginfo_to_dict
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from . import pep425tags, metadata
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def safer_name(name):
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return safe_name(name).replace('-', '_')
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def safer_version(version):
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return safe_version(version).replace('-', '_')
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class bdist_wheel(Command):
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description = 'create a wheel distribution'
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user_options = [('bdist-dir=', 'b',
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"temporary directory for creating the distribution"),
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('plat-name=', 'p',
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"platform name to embed in generated filenames "
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"(default: %s)" % get_platform()),
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('keep-temp', 'k',
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"keep the pseudo-installation tree around after " +
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"creating the distribution archive"),
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('dist-dir=', 'd',
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"directory to put final built distributions in"),
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('skip-build', None,
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"skip rebuilding everything (for testing/debugging)"),
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('relative', None,
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"build the archive using relative paths"
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"(default: false)"),
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('owner=', 'u',
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"Owner name used when creating a tar file"
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" [default: current user]"),
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('group=', 'g',
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"Group name used when creating a tar file"
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" [default: current group]"),
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('universal', None,
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"make a universal wheel"
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" (default: false)"),
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('python-tag=', None,
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"Python implementation compatibility tag"
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" (default: py%s)" % get_impl_ver()[0]),
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]
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boolean_options = ['keep-temp', 'skip-build', 'relative', 'universal']
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def initialize_options(self):
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self.bdist_dir = None
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self.data_dir = None
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self.plat_name = None
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self.plat_tag = None
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self.format = 'zip'
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self.keep_temp = False
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self.dist_dir = None
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self.distinfo_dir = None
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self.egginfo_dir = None
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self.root_is_pure = None
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self.skip_build = None
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self.relative = False
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self.owner = None
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self.group = None
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self.universal = False
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self.python_tag = 'py' + get_impl_ver()[0]
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self.plat_name_supplied = False
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def finalize_options(self):
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if self.bdist_dir is None:
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bdist_base = self.get_finalized_command('bdist').bdist_base
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self.bdist_dir = os.path.join(bdist_base, 'wheel')
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self.data_dir = self.wheel_dist_name + '.data'
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self.plat_name_supplied = self.plat_name is not None
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need_options = ('dist_dir', 'plat_name', 'skip_build')
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self.set_undefined_options('bdist',
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*zip(need_options, need_options))
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self.root_is_pure = not (self.distribution.has_ext_modules()
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or self.distribution.has_c_libraries())
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# Support legacy [wheel] section for setting universal
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wheel = self.distribution.get_option_dict('wheel')
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if 'universal' in wheel:
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# please don't define this in your global configs
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val = wheel['universal'][1].strip()
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if val.lower() in ('1', 'true', 'yes'):
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self.universal = True
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@property
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def wheel_dist_name(self):
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"""Return distribution full name with - replaced with _"""
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return '-'.join((safer_name(self.distribution.get_name()),
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safer_version(self.distribution.get_version())))
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def get_tag(self):
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# bdist sets self.plat_name if unset, we should only use it for purepy
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# wheels if the user supplied it.
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if self.plat_name_supplied:
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plat_name = self.plat_name
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elif self.root_is_pure:
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plat_name = 'any'
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else:
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plat_name = self.plat_name or get_platform()
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plat_name = plat_name.replace('-', '_').replace('.', '_')
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if self.root_is_pure:
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if self.universal:
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impl = 'py2.py3'
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else:
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impl = self.python_tag
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tag = (impl, 'none', plat_name)
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else:
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impl_name = get_abbr_impl()
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impl_ver = get_impl_ver()
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# PEP 3149
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abi_tag = str(get_abi_tag()).lower()
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tag = (impl_name + impl_ver, abi_tag, plat_name)
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supported_tags = pep425tags.get_supported(
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supplied_platform=plat_name if self.plat_name_supplied else None)
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# XXX switch to this alternate implementation for non-pure:
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assert tag == supported_tags[0]
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return tag
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def get_archive_basename(self):
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"""Return archive name without extension"""
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impl_tag, abi_tag, plat_tag = self.get_tag()
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archive_basename = "%s-%s-%s-%s" % (
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self.wheel_dist_name,
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impl_tag,
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abi_tag,
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plat_tag)
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return archive_basename
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def run(self):
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build_scripts = self.reinitialize_command('build_scripts')
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build_scripts.executable = 'python'
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if not self.skip_build:
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self.run_command('build')
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install = self.reinitialize_command('install',
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reinit_subcommands=True)
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install.root = self.bdist_dir
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install.compile = False
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install.skip_build = self.skip_build
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install.warn_dir = False
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# A wheel without setuptools scripts is more cross-platform.
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# Use the (undocumented) `no_ep` option to setuptools'
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# install_scripts command to avoid creating entry point scripts.
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install_scripts = self.reinitialize_command('install_scripts')
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install_scripts.no_ep = True
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# Use a custom scheme for the archive, because we have to decide
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# at installation time which scheme to use.
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for key in ('headers', 'scripts', 'data', 'purelib', 'platlib'):
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setattr(install,
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'install_' + key,
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os.path.join(self.data_dir, key))
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basedir_observed = ''
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if os.name == 'nt':
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# win32 barfs if any of these are ''; could be '.'?
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# (distutils.command.install:change_roots bug)
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basedir_observed = os.path.normpath(os.path.join(self.data_dir, '..'))
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self.install_libbase = self.install_lib = basedir_observed
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setattr(install,
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'install_purelib' if self.root_is_pure else 'install_platlib',
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basedir_observed)
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logger.info("installing to %s", self.bdist_dir)
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self.run_command('install')
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archive_basename = self.get_archive_basename()
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pseudoinstall_root = os.path.join(self.dist_dir, archive_basename)
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if not self.relative:
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archive_root = self.bdist_dir
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else:
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archive_root = os.path.join(
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self.bdist_dir,
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self._ensure_relative(install.install_base))
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self.set_undefined_options(
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'install_egg_info', ('target', 'egginfo_dir'))
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self.distinfo_dir = os.path.join(self.bdist_dir,
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'%s.dist-info' % self.wheel_dist_name)
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self.egg2dist(self.egginfo_dir,
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self.distinfo_dir)
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self.write_wheelfile(self.distinfo_dir)
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self.write_record(self.bdist_dir, self.distinfo_dir)
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# Make the archive
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if not os.path.exists(self.dist_dir):
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os.makedirs(self.dist_dir)
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wheel_name = archive_wheelfile(pseudoinstall_root, archive_root)
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# Sign the archive
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if 'WHEEL_TOOL' in os.environ:
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subprocess.call([os.environ['WHEEL_TOOL'], 'sign', wheel_name])
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# Add to 'Distribution.dist_files' so that the "upload" command works
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getattr(self.distribution, 'dist_files', []).append(
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('bdist_wheel', get_python_version(), wheel_name))
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if not self.keep_temp:
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if self.dry_run:
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logger.info('removing %s', self.bdist_dir)
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else:
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rmtree(self.bdist_dir)
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def write_wheelfile(self, wheelfile_base, generator='bdist_wheel (' + wheel.__version__ + ')'):
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from email.message import Message
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msg = Message()
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msg['Wheel-Version'] = '1.0' # of the spec
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msg['Generator'] = generator
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msg['Root-Is-Purelib'] = str(self.root_is_pure).lower()
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# Doesn't work for bdist_wininst
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impl_tag, abi_tag, plat_tag = self.get_tag()
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for impl in impl_tag.split('.'):
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for abi in abi_tag.split('.'):
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for plat in plat_tag.split('.'):
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msg['Tag'] = '-'.join((impl, abi, plat))
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wheelfile_path = os.path.join(wheelfile_base, 'WHEEL')
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logger.info('creating %s', wheelfile_path)
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with open(wheelfile_path, 'w') as f:
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Generator(f, maxheaderlen=0).flatten(msg)
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def _ensure_relative(self, path):
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# copied from dir_util, deleted
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drive, path = os.path.splitdrive(path)
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if path[0:1] == os.sep:
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path = drive + path[1:]
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return path
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def _pkginfo_to_metadata(self, egg_info_path, pkginfo_path):
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return metadata.pkginfo_to_metadata(egg_info_path, pkginfo_path)
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def license_file(self):
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"""Return license filename from a license-file key in setup.cfg, or None."""
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metadata = self.distribution.get_option_dict('metadata')
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if not 'license_file' in metadata:
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return None
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return metadata['license_file'][1]
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def setupcfg_requirements(self):
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"""Generate requirements from setup.cfg as
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('Requires-Dist', 'requirement; qualifier') tuples. From a metadata
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section in setup.cfg:
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[metadata]
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provides-extra = extra1
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extra2
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requires-dist = requirement; qualifier
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another; qualifier2
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unqualified
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Yields
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('Provides-Extra', 'extra1'),
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('Provides-Extra', 'extra2'),
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('Requires-Dist', 'requirement; qualifier'),
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('Requires-Dist', 'another; qualifier2'),
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('Requires-Dist', 'unqualified')
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"""
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metadata = self.distribution.get_option_dict('metadata')
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# our .ini parser folds - to _ in key names:
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for key, title in (('provides_extra', 'Provides-Extra'),
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('requires_dist', 'Requires-Dist')):
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if not key in metadata:
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continue
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field = metadata[key]
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for line in field[1].splitlines():
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line = line.strip()
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if not line:
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continue
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yield (title, line)
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def add_requirements(self, metadata_path):
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"""Add additional requirements from setup.cfg to file metadata_path"""
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additional = list(self.setupcfg_requirements())
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if not additional: return
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pkg_info = read_pkg_info(metadata_path)
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if 'Provides-Extra' in pkg_info or 'Requires-Dist' in pkg_info:
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warnings.warn('setup.cfg requirements overwrite values from setup.py')
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del pkg_info['Provides-Extra']
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del pkg_info['Requires-Dist']
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for k, v in additional:
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pkg_info[k] = v
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write_pkg_info(metadata_path, pkg_info)
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def egg2dist(self, egginfo_path, distinfo_path):
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"""Convert an .egg-info directory into a .dist-info directory"""
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def adios(p):
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"""Appropriately delete directory, file or link."""
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if os.path.exists(p) and not os.path.islink(p) and os.path.isdir(p):
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shutil.rmtree(p)
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elif os.path.exists(p):
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os.unlink(p)
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adios(distinfo_path)
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if not os.path.exists(egginfo_path):
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# There is no egg-info. This is probably because the egg-info
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# file/directory is not named matching the distribution name used
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# to name the archive file. Check for this case and report
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# accordingly.
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import glob
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pat = os.path.join(os.path.dirname(egginfo_path), '*.egg-info')
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possible = glob.glob(pat)
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err = "Egg metadata expected at %s but not found" % (egginfo_path,)
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if possible:
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alt = os.path.basename(possible[0])
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err += " (%s found - possible misnamed archive file?)" % (alt,)
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raise ValueError(err)
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if os.path.isfile(egginfo_path):
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# .egg-info is a single file
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pkginfo_path = egginfo_path
|
||
|
|
pkg_info = self._pkginfo_to_metadata(egginfo_path, egginfo_path)
|
||
|
|
os.mkdir(distinfo_path)
|
||
|
|
else:
|
||
|
|
# .egg-info is a directory
|
||
|
|
pkginfo_path = os.path.join(egginfo_path, 'PKG-INFO')
|
||
|
|
pkg_info = self._pkginfo_to_metadata(egginfo_path, pkginfo_path)
|
||
|
|
|
||
|
|
# ignore common egg metadata that is useless to wheel
|
||
|
|
shutil.copytree(egginfo_path, distinfo_path,
|
||
|
|
ignore=lambda x, y: set(('PKG-INFO',
|
||
|
|
'requires.txt',
|
||
|
|
'SOURCES.txt',
|
||
|
|
'not-zip-safe',)))
|
||
|
|
|
||
|
|
# delete dependency_links if it is only whitespace
|
||
|
|
dependency_links_path = os.path.join(distinfo_path, 'dependency_links.txt')
|
||
|
|
with open(dependency_links_path, 'r') as dependency_links_file:
|
||
|
|
dependency_links = dependency_links_file.read().strip()
|
||
|
|
if not dependency_links:
|
||
|
|
adios(dependency_links_path)
|
||
|
|
|
||
|
|
write_pkg_info(os.path.join(distinfo_path, 'METADATA'), pkg_info)
|
||
|
|
|
||
|
|
# XXX deprecated. Still useful for current distribute/setuptools.
|
||
|
|
metadata_path = os.path.join(distinfo_path, 'METADATA')
|
||
|
|
self.add_requirements(metadata_path)
|
||
|
|
|
||
|
|
# XXX intentionally a different path than the PEP.
|
||
|
|
metadata_json_path = os.path.join(distinfo_path, 'metadata.json')
|
||
|
|
pymeta = pkginfo_to_dict(metadata_path,
|
||
|
|
distribution=self.distribution)
|
||
|
|
|
||
|
|
if 'description' in pymeta:
|
||
|
|
description_filename = 'DESCRIPTION.rst'
|
||
|
|
description_text = pymeta.pop('description')
|
||
|
|
description_path = os.path.join(distinfo_path,
|
||
|
|
description_filename)
|
||
|
|
with open(description_path, "wb") as description_file:
|
||
|
|
description_file.write(description_text.encode('utf-8'))
|
||
|
|
pymeta['extensions']['python.details']['document_names']['description'] = description_filename
|
||
|
|
|
||
|
|
# XXX heuristically copy any LICENSE/LICENSE.txt?
|
||
|
|
license = self.license_file()
|
||
|
|
if license:
|
||
|
|
license_filename = 'LICENSE.txt'
|
||
|
|
shutil.copy(license, os.path.join(self.distinfo_dir, license_filename))
|
||
|
|
pymeta['extensions']['python.details']['document_names']['license'] = license_filename
|
||
|
|
|
||
|
|
with open(metadata_json_path, "w") as metadata_json:
|
||
|
|
json.dump(pymeta, metadata_json, sort_keys=True)
|
||
|
|
|
||
|
|
adios(egginfo_path)
|
||
|
|
|
||
|
|
def write_record(self, bdist_dir, distinfo_dir):
|
||
|
|
from wheel.util import urlsafe_b64encode
|
||
|
|
|
||
|
|
record_path = os.path.join(distinfo_dir, 'RECORD')
|
||
|
|
record_relpath = os.path.relpath(record_path, bdist_dir)
|
||
|
|
|
||
|
|
def walk():
|
||
|
|
for dir, dirs, files in os.walk(bdist_dir):
|
||
|
|
dirs.sort()
|
||
|
|
for f in sorted(files):
|
||
|
|
yield os.path.join(dir, f)
|
||
|
|
|
||
|
|
def skip(path):
|
||
|
|
"""Wheel hashes every possible file."""
|
||
|
|
return (path == record_relpath)
|
||
|
|
|
||
|
|
with open_for_csv(record_path, 'w+') as record_file:
|
||
|
|
writer = csv.writer(record_file)
|
||
|
|
for path in walk():
|
||
|
|
relpath = os.path.relpath(path, bdist_dir)
|
||
|
|
if skip(relpath):
|
||
|
|
hash = ''
|
||
|
|
size = ''
|
||
|
|
else:
|
||
|
|
with open(path, 'rb') as f:
|
||
|
|
data = f.read()
|
||
|
|
digest = hashlib.sha256(data).digest()
|
||
|
|
hash = 'sha256=' + native(urlsafe_b64encode(digest))
|
||
|
|
size = len(data)
|
||
|
|
record_path = os.path.relpath(
|
||
|
|
path, bdist_dir).replace(os.path.sep, '/')
|
||
|
|
writer.writerow((record_path, hash, size))
|