PEP 796: Relative Virtual Environments #4476
also mention curdir syntax handling
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@@ -86,19 +86,21 @@ These may contain up-references outside of the virtual environnment root | |||||
| directory. Examples: | ||||||
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| * ``subdir/whatever/bin`` (a directory within the virtual environment). | ||||||
| * ``./subdir/whatever/bin`` (same as above) | ||||||
| * ``../../../../../elsewhere/runtime/bin`` (a directory outside the virtual | ||||||
| environment). | ||||||
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| Relative paths are relative to the directory containing ``pyvenv.cfg``. During | ||||||
| interpreter startup (i.e. ``getpath.py``), the relative path is joined to the | ||||||
| directory to form an absolute path. Up-references (``../``) and current | ||||||
| directory references (``./``) are resolved syntactically (i.e. not resolving | ||||||
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(I don't mind if this isn't accepted, I've just always referred to this style of resolution as lexical rather than as syntactic: python/cpython#124825 |
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| symlinks). Symlinks are *not* resolved prior to construction of the absolute | ||||||
| path to ensure semantics between a relative path and absolute path remain the | ||||||
| same. | ||||||
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| For example, given | ||||||
| ``/home/user/venv/bin/pyvenv.cfg`` with | ||||||
| ``home = ../../runtime/./bin``, the result is ``home = /home/user/runtime/bin``, | ||||||
| i.e. it's equivalent to using that value verbatim in ``pyvenv.cfg``. | ||||||
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