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