| 1 | Add all /gnu/store/ prefixes found in PYTHONPATH to the prefixes where
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| 2 | site-packages (and .pth files) are searched.
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| 3 |
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| 4 | |
| 5 | |
| 6 | ***************
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| 7 | *** 65,70 ****
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| 8 | --- 65,82 ----
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| 9 |
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| 10 | # Prefixes for site-packages; add additional prefixes like /usr/local here
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| 11 | PREFIXES = [sys.prefix, sys.exec_prefix]
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| 12 | + # Guix: Add all /gnu/store-paths in PYTHONPATH--these are all
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| 13 | + # "prefixes". This is required to search .pth files in all python
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| 14 | + # packages contained in /gnu/store which is required to make
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| 15 | + # .pth-defined namespace packages work.
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| 16 | + # This is necessary if the packages are not merged into a single
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| 17 | + # `site-packages` directory (like when using `guix environment`) but
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| 18 | + # listed in PYTHONPATH (like when running `guix build`).
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| 19 | + for p in sys.path:
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| 20 | + if p.startswith('/gnu/store/'):
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| 21 | + PREFIXES.append(p[:p.find('/', 44)]) # find first pathsep after hash
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| 22 | + del p
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| 23 | +
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| 24 | # Enable per user site-packages directory
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| 25 | # set it to False to disable the feature or True to force the feature
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| 26 | ENABLE_USER_SITE = None
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