[Python-checkins] [python/cpython] d2977a: bpo-29723: Consistently configure sys.path[0] (#57...

GitHub noreply at github.com
Sun Mar 12 06:38:34 EDT 2017


  Branch: refs/heads/master
  Home:   https://github.com/python/cpython
  Commit: d2977a3ae2cc6802921b1e3b6e9d13fcfbda872d
      https://github.com/python/cpython/commit/d2977a3ae2cc6802921b1e3b6e9d13fcfbda872d
  Author: Nick Coghlan <ncoghlan at gmail.com>
  Date:   2017-03-12 (Sun, 12 Mar 2017)

  Changed paths:
    M Lib/test/test_cmd_line_script.py
    M Modules/main.c

  Log Message:
  -----------
  bpo-29723: Consistently configure sys.path[0] (#575)

Directory and zipfile execution previously added
the parent directory of the directory or zipfile
as sys.path[0] and then subsequently overwrote
it with the directory or zipfile itself.

This caused problems in isolated mode, as it
overwrote the "stdlib as a zip archive" entry
in sys.path, as the parent directory was
never added.

The attempted fix to that issue in bpo-29319
created the opposite problem in *non*-isolated
mode, by potentially leaving the parent
directory on sys.path instead of overwriting it.

This change fixes the root cause of the problem
by removing the whole "add-and-overwrite" dance
for sys.path[0], and instead simply never adds
the parent directory to sys.path in the first
place.




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