import os
import sys
import warnings
import ConfigParser # ConfigParser is not a virtualenv module, so we can use it to find the stdlib
dirname = os.path.dirname
distutils_path = os.path.join(os.path.dirname(ConfigParser.__file__), 'distutils')
if os.path.normpath(distutils_path) == os.path.dirname(os.path.normpath(__file__)):
warnings.warn(
"The virtualenv distutils package at %s appears to be in the same location as the system distutils?")
else:
__path__.insert(0, distutils_path)
exec open(os.path.join(distutils_path, '__init__.py')).read()
import dist
import sysconfig
## patch build_ext (distutils doesn't know how to get the libs directory
## path on windows - it hardcodes the paths around the patched sys.prefix)
if sys.platform == 'win32':
from distutils.command.build_ext import build_ext
class build_ext(old_build_ext):
def finalize_options (self):
if self.library_dirs is None:
self.library_dirs = []
self.library_dirs.insert(0, os.path.join(sys.real_prefix, "Libs"))
old_build_ext.finalize_options(self)
from distutils.command import build_ext
build_ext_module.build_ext = build_ext
## distutils.dist patches:
old_find_config_files = dist.Distribution.find_config_files
def find_config_files(self):
found = old_find_config_files(self)
system_distutils = os.path.join(distutils_path, 'distutils.cfg')
#if os.path.exists(system_distutils):
# found.insert(0, system_distutils)
# What to call the per-user config file
if os.name == 'posix':
user_filename = ".pydistutils.cfg"
else:
user_filename = "pydistutils.cfg"
user_filename = os.path.join(sys.prefix, user_filename)
if os.path.isfile(user_filename):
for item in list(found):
if item.endswith('pydistutils.cfg'):
found.remove(item)
found.append(user_filename)
return found
dist.Distribution.find_config_files = find_config_files
## distutils.sysconfig patches:
old_get_python_inc = sysconfig.get_python_inc
def sysconfig_get_python_inc(plat_specific=0, prefix=None):
if prefix is None:
prefix = sys.real_prefix
return old_get_python_inc(plat_specific, prefix)
sysconfig_get_python_inc.__doc__ = old_get_python_inc.__doc__
sysconfig.get_python_inc = sysconfig_get_python_inc
old_get_python_lib = sysconfig.get_python_lib
def sysconfig_get_python_lib(plat_specific=0, standard_lib=0, prefix=None):
if standard_lib and prefix is None:
prefix = sys.real_prefix
return old_get_python_lib(plat_specific, standard_lib, prefix)
sysconfig_get_python_lib.__doc__ = old_get_python_lib.__doc__
sysconfig.get_python_lib = sysconfig_get_python_lib
old_get_config_vars = sysconfig.get_config_vars
def sysconfig_get_config_vars(*args):
real_vars = old_get_config_vars(*args)
if sys.platform == 'win32':
lib_dir = os.path.join(sys.real_prefix, "libs")
if isinstance(real_vars, dict) and 'LIBDIR' not in real_vars:
real_vars['LIBDIR'] = lib_dir # asked for all
elif isinstance(real_vars, list) and 'LIBDIR' in args:
real_vars = real_vars + [lib_dir] # asked for list
return real_vars
sysconfig_get_config_vars.__doc__ = old_get_config_vars.__doc__
sysconfig.get_config_vars = sysconfig_get_config_vars
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