78 lines
2.6 KiB
Python
78 lines
2.6 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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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%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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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('-','_')
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