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 sys11 12from .. import dir_util13from .._log import log14from ..cmd import Command15 16 17class install_egg_info(Command):18    """Install an .egg-info file for the package"""19 20    description = "Install package's PKG-INFO metadata as an .egg-info file"21    user_options = [22        ('install-dir=', 'd', "directory to install to"),23    ]24 25    def initialize_options(self):26        self.install_dir = None27 28    @property29    def basename(self):30        """31        Allow basename to be overridden by child class.32        Ref pypa/distutils#2.33        """34        return "%s-%s-py%d.%d.egg-info" % (35            to_filename(safe_name(self.distribution.get_name())),36            to_filename(safe_version(self.distribution.get_version())),37            *sys.version_info[:2],38        )39 40    def finalize_options(self):41        self.set_undefined_options('install_lib', ('install_dir', 'install_dir'))42        self.target = os.path.join(self.install_dir, self.basename)43        self.outputs = [self.target]44 45    def run(self):46        target = self.target47        if os.path.isdir(target) and not os.path.islink(target):48            dir_util.remove_tree(target, dry_run=self.dry_run)49        elif os.path.exists(target):50            self.execute(os.unlink, (self.target,), "Removing " + target)51        elif not os.path.isdir(self.install_dir):52            self.execute(53                os.makedirs, (self.install_dir,), "Creating " + self.install_dir54            )55        log.info("Writing %s", target)56        if not self.dry_run:57            with open(target, 'w', encoding='UTF-8') as f:58                self.distribution.metadata.write_pkg_file(f)59 60    def get_outputs(self):61        return self.outputs62 63 64# The following routines are taken from setuptools' pkg_resources module and65# can be replaced by importing them from pkg_resources once it is included66# in the stdlib.67 68 69def safe_name(name):70    """Convert an arbitrary string to a standard distribution name71 72    Any runs of non-alphanumeric/. characters are replaced with a single '-'.73    """74    return re.sub('[^A-Za-z0-9.]+', '-', name)75 76 77def safe_version(version):78    """Convert an arbitrary string to a standard version string79 80    Spaces become dots, and all other non-alphanumeric characters become81    dashes, with runs of multiple dashes condensed to a single dash.82    """83    version = version.replace(' ', '.')84    return re.sub('[^A-Za-z0-9.]+', '-', version)85 86 87def to_filename(name):88    """Convert a project or version name to its filename-escaped form89 90    Any '-' characters are currently replaced with '_'.91    """92    return name.replace('-', '_')93