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bpo-30891: Fix importlib _find_and_load() race condition (#2646)
authorVictor Stinner <victor.stinner@gmail.com>
Mon, 10 Jul 2017 20:52:32 +0000 (22:52 +0200)
committerGitHub <noreply@github.com>
Mon, 10 Jul 2017 20:52:32 +0000 (22:52 +0200)
commit4f9a446f3fb42f800e73cd9414dd1eccb3ca4fa7
tree2fcee0a8915be2eee63c1856e8a1147fa1fd4a4btree | snapshot
parentb136f11f3a51f9282ae992bac68f170ca5563b55commit | diff
bpo-30891: Fix importlib _find_and_load() race condition (#2646)

* 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
Lib/importlib/_bootstrap.py diff | blob | history
Python/import.c diff | blob | history
Python/importlib.h diff | blob | history
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