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Viewing changes to Lib/distutils/command/install_egg_info.py

  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2013-11-25 09:44:27 UTC
  • Revision ID: package-import@ubuntu.com-20131125094427-lzxj8ap5w01lmo7f
Tags: upstream-3.4~b1
Import upstream version 3.4~b1

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Lib/distutils/command/install_egg_info.py
 
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"""distutils.command.install_egg_info
 
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Implements the Distutils 'install_egg_info' command, for installing
 
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a package's PKG-INFO metadata."""
 
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from distutils.cmd import Command
 
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from distutils import log, dir_util
 
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import os, sys, re
 
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class install_egg_info(Command):
 
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    """Install an .egg-info file for the package"""
 
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    description = "Install package's PKG-INFO metadata as an .egg-info file"
 
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    user_options = [
 
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        ('install-dir=', 'd', "directory to install to"),
 
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    ]
 
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    def initialize_options(self):
 
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        self.install_dir = None
 
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    def finalize_options(self):
 
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        self.set_undefined_options('install_lib',('install_dir','install_dir'))
 
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        basename = "%s-%s-py%s.egg-info" % (
 
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            to_filename(safe_name(self.distribution.get_name())),
 
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            to_filename(safe_version(self.distribution.get_version())),
 
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            sys.version[:3]
 
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        )
 
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        self.target = os.path.join(self.install_dir, basename)
 
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        self.outputs = [self.target]
 
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    def run(self):
 
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        target = self.target
 
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        if os.path.isdir(target) and not os.path.islink(target):
 
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            dir_util.remove_tree(target, dry_run=self.dry_run)
 
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        elif os.path.exists(target):
 
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            self.execute(os.unlink,(self.target,),"Removing "+target)
 
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        elif not os.path.isdir(self.install_dir):
 
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            self.execute(os.makedirs, (self.install_dir,),
 
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                         "Creating "+self.install_dir)
 
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        log.info("Writing %s", target)
 
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        if not self.dry_run:
 
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            with open(target, 'w', encoding='UTF-8') as f:
 
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                self.distribution.metadata.write_pkg_file(f)
 
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    def get_outputs(self):
 
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        return self.outputs
 
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# The following routines are taken from setuptools' pkg_resources module and
 
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# can be replaced by importing them from pkg_resources once it is included
 
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# in the stdlib.
 
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def safe_name(name):
 
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    """Convert an arbitrary string to a standard distribution name
 
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    Any runs of non-alphanumeric/. characters are replaced with a single '-'.
 
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    """
 
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    return re.sub('[^A-Za-z0-9.]+', '-', name)
 
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def safe_version(version):
 
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    """Convert an arbitrary string to a standard version string
 
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    Spaces become dots, and all other non-alphanumeric characters become
 
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    dashes, with runs of multiple dashes condensed to a single dash.
 
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    """
 
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    version = version.replace(' ','.')
 
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    return re.sub('[^A-Za-z0-9.]+', '-', version)
 
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def to_filename(name):
 
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    """Convert a project or version name to its filename-escaped form
 
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    Any '-' characters are currently replaced with '_'.
 
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    """
 
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    return name.replace('-','_')