[docs] [issue33698] `._pth` does not allow to populate `sys.path` empty entry
report at bugs.python.org
Wed May 30 13:12:41 EDT 2018
New submission from Vladimir Chebotarev <vladimir.chebotarev at gmail.com>:
Moving from bpo-29326
I'll try to explain what is my motivation.
I need a reliable way to run Python (not matter embedded or not) in isolated mode, but still having current directory in `sys.path` (empty entry).
Ironically I could misuse normal mode to simulate isolated mode with specified %PYTHONPATH% (which is not much handy, by the way), but hiding Windows Registry keys would look pretty hard (it is impossible to make a bat/cmd wrapper). Possibility to search %PYTHONPATH% in HKLM entries makes it even worse.
Empty entry in `sys.path` is a extremely popular thing, and many software depend on it. It looks like a bug that isolated mode cannot support such entry.
# How would I fix it.
Possibly we should allow another keyword for adding an empty entry (like we have an exclusion for `import site`).
Ideas are appreciated.
assignee: docs at python
components: Documentation, Windows
nosy: docs at python, excitoon, paul.moore, steve.dower, tim.golden, zach.ware
title: `._pth` does not allow to populate `sys.path` empty entry
versions: Python 3.6, Python 3.7, Python 3.8
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