92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
"""
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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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"""
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import os
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import sys
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import re
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from distutils.cmd import Command
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from distutils import log, dir_util
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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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@property
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def basename(self):
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"""
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Allow basename to be overridden by child class.
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Ref pypa/distutils#2.
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"""
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return "%s-%s-py%d.%d.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_info[:2],
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)
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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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self.target = os.path.join(self.install_dir, self.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(
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os.makedirs, (self.install_dir,), "Creating " + self.install_dir
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)
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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('-', '_')
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