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| 1 | +import os |
| 2 | +import sys |
| 3 | +import warnings |
| 4 | +import imp |
| 5 | +import opcode # opcode is not a virtualenv module, so we can use it to find the stdlib |
| 6 | + # Important! To work on pypy, this must be a module that resides in the |
| 7 | + # lib-python/modified-x.y.z directory |
| 8 | + |
| 9 | +dirname = os.path.dirname |
| 10 | + |
| 11 | +distutils_path = os.path.join(os.path.dirname(opcode.__file__), 'distutils') |
| 12 | +if os.path.normpath(distutils_path) == os.path.dirname(os.path.normpath(__file__)): |
| 13 | + warnings.warn( |
| 14 | + "The virtualenv distutils package at %s appears to be in the same location as the system distutils?") |
| 15 | +else: |
| 16 | + __path__.insert(0, distutils_path) |
| 17 | + real_distutils = imp.load_module("_virtualenv_distutils", None, distutils_path, ('', '', imp.PKG_DIRECTORY)) |
| 18 | + # Copy the relevant attributes |
| 19 | + try: |
| 20 | + __revision__ = real_distutils.__revision__ |
| 21 | + except AttributeError: |
| 22 | + pass |
| 23 | + __version__ = real_distutils.__version__ |
| 24 | + |
| 25 | +from distutils import dist, sysconfig |
| 26 | + |
| 27 | +try: |
| 28 | + basestring |
| 29 | +except NameError: |
| 30 | + basestring = str |
| 31 | + |
| 32 | +## patch build_ext (distutils doesn't know how to get the libs directory |
| 33 | +## path on windows - it hardcodes the paths around the patched sys.prefix) |
| 34 | + |
| 35 | +if sys.platform == 'win32': |
| 36 | + from distutils.command.build_ext import build_ext as old_build_ext |
| 37 | + class build_ext(old_build_ext): |
| 38 | + def finalize_options (self): |
| 39 | + if self.library_dirs is None: |
| 40 | + self.library_dirs = [] |
| 41 | + elif isinstance(self.library_dirs, basestring): |
| 42 | + self.library_dirs = self.library_dirs.split(os.pathsep) |
| 43 | + |
| 44 | + self.library_dirs.insert(0, os.path.join(sys.real_prefix, "Libs")) |
| 45 | + old_build_ext.finalize_options(self) |
| 46 | + |
| 47 | + from distutils.command import build_ext as build_ext_module |
| 48 | + build_ext_module.build_ext = build_ext |
| 49 | + |
| 50 | +## distutils.dist patches: |
| 51 | + |
| 52 | +old_find_config_files = dist.Distribution.find_config_files |
| 53 | +def find_config_files(self): |
| 54 | + found = old_find_config_files(self) |
| 55 | + system_distutils = os.path.join(distutils_path, 'distutils.cfg') |
| 56 | + #if os.path.exists(system_distutils): |
| 57 | + # found.insert(0, system_distutils) |
| 58 | + # What to call the per-user config file |
| 59 | + if os.name == 'posix': |
| 60 | + user_filename = ".pydistutils.cfg" |
| 61 | + else: |
| 62 | + user_filename = "pydistutils.cfg" |
| 63 | + user_filename = os.path.join(sys.prefix, user_filename) |
| 64 | + if os.path.isfile(user_filename): |
| 65 | + for item in list(found): |
| 66 | + if item.endswith('pydistutils.cfg'): |
| 67 | + found.remove(item) |
| 68 | + found.append(user_filename) |
| 69 | + return found |
| 70 | +dist.Distribution.find_config_files = find_config_files |
| 71 | + |
| 72 | +## distutils.sysconfig patches: |
| 73 | + |
| 74 | +old_get_python_inc = sysconfig.get_python_inc |
| 75 | +def sysconfig_get_python_inc(plat_specific=0, prefix=None): |
| 76 | + if prefix is None: |
| 77 | + prefix = sys.real_prefix |
| 78 | + return old_get_python_inc(plat_specific, prefix) |
| 79 | +sysconfig_get_python_inc.__doc__ = old_get_python_inc.__doc__ |
| 80 | +sysconfig.get_python_inc = sysconfig_get_python_inc |
| 81 | + |
| 82 | +old_get_python_lib = sysconfig.get_python_lib |
| 83 | +def sysconfig_get_python_lib(plat_specific=0, standard_lib=0, prefix=None): |
| 84 | + if standard_lib and prefix is None: |
| 85 | + prefix = sys.real_prefix |
| 86 | + return old_get_python_lib(plat_specific, standard_lib, prefix) |
| 87 | +sysconfig_get_python_lib.__doc__ = old_get_python_lib.__doc__ |
| 88 | +sysconfig.get_python_lib = sysconfig_get_python_lib |
| 89 | + |
| 90 | +old_get_config_vars = sysconfig.get_config_vars |
| 91 | +def sysconfig_get_config_vars(*args): |
| 92 | + real_vars = old_get_config_vars(*args) |
| 93 | + if sys.platform == 'win32': |
| 94 | + lib_dir = os.path.join(sys.real_prefix, "libs") |
| 95 | + if isinstance(real_vars, dict) and 'LIBDIR' not in real_vars: |
| 96 | + real_vars['LIBDIR'] = lib_dir # asked for all |
| 97 | + elif isinstance(real_vars, list) and 'LIBDIR' in args: |
| 98 | + real_vars = real_vars + [lib_dir] # asked for list |
| 99 | + return real_vars |
| 100 | +sysconfig_get_config_vars.__doc__ = old_get_config_vars.__doc__ |
| 101 | +sysconfig.get_config_vars = sysconfig_get_config_vars |
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