bpo-30891: Fix importlib _find_and_load() race condition (#2646) (#2651)

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* Rewrite importlib _get_module_lock(): it is now responsible to hold
  the imp lock directly.
* _find_and_load() now holds the module lock to check if name is in
  sys.modules to prevent a race condition
(cherry picked from commit 4f9a446f3f)

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Victor Stinner 2017-07-10 23:16:27 +02:00 • committed by GitHub

parent 044e156426

commit fe6e686c27

3 changed files with 1551 additions and 1561 deletions

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Python/importlib.h

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