/usr/lib/python2.7/dist-packages/setuptools/command/install_egg_info.py is in python-setuptools 20.7.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | from distutils import log, dir_util
import os, sys
from setuptools.extern.six.moves import map
from setuptools import Command
from setuptools.archive_util import unpack_archive
import pkg_resources
class install_egg_info(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)
def install_namespaces(self):
nsp = self._get_all_ns_packages()
if not nsp:
return
filename, ext = os.path.splitext(self.target)
filename += '-nspkg.pth'
self.outputs.append(filename)
log.info("Installing %s", filename)
lines = map(self._gen_nspkg_line, nsp)
if self.dry_run:
# always generate the lines, even in dry run
list(lines)
return
with open(filename, 'wt') as f:
f.writelines(lines)
_nspkg_tmpl = (
"import sys, types, os",
"p = os.path.join(sys._getframe(1).f_locals['sitedir'], *%(pth)r)",
"ie = os.path.exists(os.path.join(p,'__init__.py'))",
"m = not ie and "
"sys.modules.setdefault(%(pkg)r, types.ModuleType(%(pkg)r))",
"mp = (m or []) and m.__dict__.setdefault('__path__',[])",
"(p not in mp) and mp.append(p)",
)
"lines for the namespace installer"
_nspkg_tmpl_multi = (
'm and setattr(sys.modules[%(parent)r], %(child)r, m)',
)
"additional line(s) when a parent package is indicated"
@classmethod
def _gen_nspkg_line(cls, pkg):
# ensure pkg is not a unicode string under Python 2.7
pkg = str(pkg)
pth = tuple(pkg.split('.'))
tmpl_lines = cls._nspkg_tmpl
parent, sep, child = pkg.rpartition('.')
if parent:
tmpl_lines += cls._nspkg_tmpl_multi
return ';'.join(tmpl_lines) % locals() + '\n'
def _get_all_ns_packages(self):
"""Return sorted list of all package namespaces"""
nsp = set()
for pkg in self.distribution.namespace_packages or []:
pkg = pkg.split('.')
while pkg:
nsp.add('.'.join(pkg))
pkg.pop()
return sorted(nsp)
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