143 lines
4.7 KiB
Python
143 lines
4.7 KiB
Python
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"""
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Create a dist_info directory
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As defined in the wheel specification
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"""
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import os
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import re
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import shutil
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import sys
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import warnings
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from contextlib import contextmanager
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from inspect import cleandoc
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from pathlib import Path
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from distutils.core import Command
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from distutils import log
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from setuptools.extern import packaging
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from setuptools._deprecation_warning import SetuptoolsDeprecationWarning
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class dist_info(Command):
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description = 'create a .dist-info directory'
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user_options = [
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('egg-base=', 'e', "directory containing .egg-info directories"
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" (default: top of the source tree)"
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" DEPRECATED: use --output-dir."),
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('output-dir=', 'o', "directory inside of which the .dist-info will be"
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"created (default: top of the source tree)"),
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('tag-date', 'd', "Add date stamp (e.g. 20050528) to version number"),
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('tag-build=', 'b', "Specify explicit tag to add to version number"),
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('no-date', 'D', "Don't include date stamp [default]"),
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('keep-egg-info', None, "*TRANSITIONAL* will be removed in the future"),
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]
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boolean_options = ['tag-date', 'keep-egg-info']
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negative_opt = {'no-date': 'tag-date'}
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def initialize_options(self):
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self.egg_base = None
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self.output_dir = None
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self.name = None
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self.dist_info_dir = None
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self.tag_date = None
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self.tag_build = None
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self.keep_egg_info = False
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def finalize_options(self):
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if self.egg_base:
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msg = "--egg-base is deprecated for dist_info command. Use --output-dir."
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warnings.warn(msg, SetuptoolsDeprecationWarning)
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self.output_dir = self.egg_base or self.output_dir
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dist = self.distribution
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project_dir = dist.src_root or os.curdir
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self.output_dir = Path(self.output_dir or project_dir)
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egg_info = self.reinitialize_command("egg_info")
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egg_info.egg_base = str(self.output_dir)
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if self.tag_date:
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egg_info.tag_date = self.tag_date
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else:
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self.tag_date = egg_info.tag_date
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if self.tag_build:
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egg_info.tag_build = self.tag_build
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else:
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self.tag_build = egg_info.tag_build
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egg_info.finalize_options()
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self.egg_info = egg_info
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name = _safe(dist.get_name())
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version = _version(dist.get_version())
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self.name = f"{name}-{version}"
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self.dist_info_dir = os.path.join(self.output_dir, f"{self.name}.dist-info")
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@contextmanager
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def _maybe_bkp_dir(self, dir_path: str, requires_bkp: bool):
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if requires_bkp:
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bkp_name = f"{dir_path}.__bkp__"
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_rm(bkp_name, ignore_errors=True)
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_copy(dir_path, bkp_name, dirs_exist_ok=True, symlinks=True)
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try:
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yield
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finally:
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_rm(dir_path, ignore_errors=True)
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shutil.move(bkp_name, dir_path)
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else:
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yield
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def run(self):
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self.output_dir.mkdir(parents=True, exist_ok=True)
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self.egg_info.run()
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egg_info_dir = self.egg_info.egg_info
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assert os.path.isdir(egg_info_dir), ".egg-info dir should have been created"
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log.info("creating '{}'".format(os.path.abspath(self.dist_info_dir)))
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bdist_wheel = self.get_finalized_command('bdist_wheel')
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# TODO: if bdist_wheel if merged into setuptools, just add "keep_egg_info" there
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with self._maybe_bkp_dir(egg_info_dir, self.keep_egg_info):
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bdist_wheel.egg2dist(egg_info_dir, self.dist_info_dir)
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def _safe(component: str) -> str:
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"""Escape a component used to form a wheel name according to PEP 491"""
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return re.sub(r"[^\w\d.]+", "_", component)
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def _version(version: str) -> str:
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"""Convert an arbitrary string to a version string."""
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v = version.replace(' ', '.')
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try:
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return str(packaging.version.Version(v)).replace("-", "_")
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except packaging.version.InvalidVersion:
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msg = f"""Invalid version: {version!r}.
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!!\n\n
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###################
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# Invalid version #
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###################
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{version!r} is not valid according to PEP 440.\n
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Please make sure specify a valid version for your package.
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Also note that future releases of setuptools may halt the build process
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if an invalid version is given.
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\n\n!!
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"""
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warnings.warn(cleandoc(msg))
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return _safe(v).strip("_")
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def _rm(dir_name, **opts):
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if os.path.isdir(dir_name):
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shutil.rmtree(dir_name, **opts)
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def _copy(src, dst, **opts):
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if sys.version_info < (3, 8):
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opts.pop("dirs_exist_ok", None)
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shutil.copytree(src, dst, **opts)
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