"""distutils.command.install_egg_info Implements the Distutils 'install_egg_info' command, for installinga package's PKG-INFO metadata."""  from distutils.cmd import Commandfrom distutils import log, dir_utilimport os, sys, re class install_egg_info(Command):    """Install an .egg-info file for the package"""     description = "Install package's PKG-INFO metadata as an .egg-info file"    user_options = [        ('install-dir=', 'd', "directory to install to"),    ]     def initialize_options(self):        self.install_dir = None     def finalize_options(self):        self.set_undefined_options('install_lib',('install_dir','install_dir'))        basename = "%s-%s-py%s.egg-info" % (            to_filename(safe_name(self.distribution.get_name())),            to_filename(safe_version(self.distribution.get_version())),            sys.version[:3]        )        self.target = os.path.join(self.install_dir, basename)        self.outputs = [self.target]     def run(self):        target = self.target        if os.path.isdir(target) and not os.path.islink(target):            dir_util.remove_tree(target, dry_run=self.dry_run)        elif os.path.exists(target):            self.execute(os.unlink,(self.target,),"Removing "+target)        elif not os.path.isdir(self.install_dir):            self.execute(os.makedirs, (self.install_dir,),                         "Creating "+self.install_dir)        log.info("Writing %s", target)        if not self.dry_run:            f = open(target, 'w')            self.distribution.metadata.write_pkg_file(f)            f.close()     def get_outputs(self):        return self.outputs  # The following routines are taken from setuptools' pkg_resources module and# can be replaced by importing them from pkg_resources once it is included# in the stdlib. def safe_name(name):    """Convert an arbitrary string to a standard distribution name     Any runs of non-alphanumeric/. characters are replaced with a single '-'.    """    return re.sub('[^A-Za-z0-9.]+', '-', name)  def safe_version(version):    """Convert an arbitrary string to a standard version string     Spaces become dots, and all other non-alphanumeric characters become    dashes, with runs of multiple dashes condensed to a single dash.    """    version = version.replace(' ','.')    return re.sub('[^A-Za-z0-9.]+', '-', version)  def to_filename(name):    """Convert a project or version name to its filename-escaped form     Any '-' characters are currently replaced with '_'.    """    return name.replace('-','_')