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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 i
n 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 locati
on as the system distutils?") | |
15 else: | |
16 __path__.insert(0, distutils_path) | |
17 real_distutils = imp.load_module("_virtualenv_distutils", None, distutils_pa
th, ('', '', 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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