guix/gnu/packages/patches/python-2.7-site-prefixes.patch
Hartmut Goebel 15e57f5762
gnu: python-2.7: Add all guix prefixes in PYTHONPATH to site-prefixes.
* gnu/packages/patches/python-2.7-site-prefixes.patch: New file.
* gnu/packages/python.scm (python-2)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add patch.
2016-11-15 17:37:48 +01:00

26 lines
1.1 KiB
Diff

Add all /gnu/store/ prefixes found in PYTHONPATH to the prefixes where
site-packages (and .pth files) are searched.
*** Python-2.7.11/Lib/site.py.orig 2016-10-17 23:27:23.746149690 +0200
--- Python-2.7.11/Lib/site.py 2016-10-17 23:44:51.930871644 +0200
***************
*** 65,70 ****
--- 65,82 ----
# Prefixes for site-packages; add additional prefixes like /usr/local here
PREFIXES = [sys.prefix, sys.exec_prefix]
+ # Guix: Add all /gnu/store-paths in PYTHONPATH--these are all
+ # "prefixes". This is required to search .pth files in all python
+ # packages contained in /gnu/store which is required to make
+ # .pth-defined namespace packages work.
+ # This is necessary if the packages are not merged into a single
+ # `site-packages` directory (like when using `guix environment`) but
+ # listed in PYTHONPATH (like when running `guix build`).
+ for p in sys.path:
+ if p.startswith('/gnu/store/'):
+ PREFIXES.append(p[:p.find('/', 44)]) # find first pathsep after hash
+ del p
+
# Enable per user site-packages directory
# set it to False to disable the feature or True to force the feature
ENABLE_USER_SITE = None