codekingpro/portable-devtools

1"""2distutils.command.install_egg_info3 4Implements the Distutils 'install_egg_info' command, for installing5a package's PKG-INFO metadata.6"""7 8import os9import re10import sys11from typing import ClassVar12 13from .. import dir_util14from .._log import log15from ..cmd import Command16 17 18class install_egg_info(Command):19    """Install an .egg-info file for the package"""20 21    description = "Install package's PKG-INFO metadata as an .egg-info file"22    user_options: ClassVar[list[tuple[str, str, str]]] = [23        ('install-dir=', 'd', "directory to install to"),24    ]25 26    def initialize_options(self):27        self.install_dir = None28 29    @property30    def basename(self):31        """32        Allow basename to be overridden by child class.33        Ref pypa/distutils#2.34        """35        name = to_filename(safe_name(self.distribution.get_name()))36        version = to_filename(safe_version(self.distribution.get_version()))37        return f"{name}-{version}-py{sys.version_info.major}.{sys.version_info.minor}.egg-info"38 39    def finalize_options(self):40        self.set_undefined_options('install_lib', ('install_dir', 'install_dir'))41        self.target = os.path.join(self.install_dir, self.basename)42        self.outputs = [self.target]43 44    def run(self):45        target = self.target46        if os.path.isdir(target) and not os.path.islink(target):47            dir_util.remove_tree(target)48        elif os.path.exists(target):49            self.execute(os.unlink, (self.target,), "Removing " + target)50        elif not os.path.isdir(self.install_dir):51            self.execute(52                os.makedirs, (self.install_dir,), "Creating " + self.install_dir53            )54        log.info("Writing %s", target)55        with open(target, 'w', encoding='UTF-8') as f:56            self.distribution.metadata.write_pkg_file(f)57 58    def get_outputs(self):59        return self.outputs60 61 62# The following routines are taken from setuptools' pkg_resources module and63# can be replaced by importing them from pkg_resources once it is included64# in the stdlib.65 66 67def safe_name(name):68    """Convert an arbitrary string to a standard distribution name69 70    Any runs of non-alphanumeric/. characters are replaced with a single '-'.71    """72    return re.sub('[^A-Za-z0-9.]+', '-', name)73 74 75def safe_version(version):76    """Convert an arbitrary string to a standard version string77 78    Spaces become dots, and all other non-alphanumeric characters become79    dashes, with runs of multiple dashes condensed to a single dash.80    """81    version = version.replace(' ', '.')82    return re.sub('[^A-Za-z0-9.]+', '-', version)83 84 85def to_filename(name):86    """Convert a project or version name to its filename-escaped form87 88    Any '-' characters are currently replaced with '_'.89    """90    return name.replace('-', '_')91