CasperSecurity
from distutils import log, dir_util
import os, sys
from setuptools import Command
from setuptools import namespaces
from setuptools.archive_util import unpack_archive
import pkg_resources
class install_egg_info(namespaces.Installer, Command):
"""Install an .egg-info directory for the package"""
description = "Install an .egg-info directory for the package"
user_options = [
('install-dir=', 'd', "directory to install to"),
]
def initialize_options(self):
self.install_dir = None
self.install_layout = None
self.prefix_option = None
def finalize_options(self):
self.set_undefined_options('install_lib',
('install_dir', 'install_dir'))
self.set_undefined_options('install',('install_layout','install_layout'))
if sys.hexversion > 0x2060000:
self.set_undefined_options('install',('prefix_option','prefix_option'))
ei_cmd = self.get_finalized_command("egg_info")
basename = pkg_resources.Distribution(
None, None, ei_cmd.egg_name, ei_cmd.egg_version
).egg_name() + '.egg-info'
if self.install_layout:
if not self.install_layout.lower() in ['deb']:
raise DistutilsOptionError("unknown value for --install-layout")
self.install_layout = self.install_layout.lower()
basename = basename.replace('-py%s' % pkg_resources.PY_MAJOR, '')
elif self.prefix_option or 'real_prefix' in sys.__dict__:
# don't modify for virtualenv
pass
else:
basename = basename.replace('-py%s' % pkg_resources.PY_MAJOR, '')
self.source = ei_cmd.egg_info
self.target = os.path.join(self.install_dir, basename)
self.outputs = []
def run(self):
self.run_command('egg_info')
if os.path.isdir(self.target) and not os.path.islink(self.target):
dir_util.remove_tree(self.target, dry_run=self.dry_run)
elif os.path.exists(self.target):
self.execute(os.unlink, (self.target,), "Removing " + self.target)
if not self.dry_run:
pkg_resources.ensure_directory(self.target)
self.execute(
self.copytree, (), "Copying %s to %s" % (self.source, self.target)
)
self.install_namespaces()
def get_outputs(self):
return self.outputs
def copytree(self):
# Copy the .egg-info tree to site-packages
def skimmer(src, dst):
# filter out source-control directories; note that 'src' is always
# a '/'-separated path, regardless of platform. 'dst' is a
# platform-specific path.
for skip in '.svn/', 'CVS/':
if src.startswith(skip) or '/' + skip in src:
return None
if self.install_layout and self.install_layout in ['deb'] and src.startswith('SOURCES.txt'):
log.info("Skipping SOURCES.txt")
return None
self.outputs.append(dst)
log.debug("Copying %s to %s", src, dst)
return dst
unpack_archive(self.source, self.target, skimmer)