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[3.10] bpo-45183: don't raise an exception when calling zipimport.zipimporter.find_spec() when the zip file is missing and the internal cache has been reset (GH-28435) (#28438)

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This can occur when the zip file gets deleted, you call zipimport.zipimporter.invalidate_cache(), and then try to use zipimport.zipimporter.find_spec() (i.e. you left the zip file path on sys.path).
(cherry picked from commit 209b7035f7)

Co-authored-by: Brett Cannon <brett@python.org>
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Brett Cannon 2021-09-17 17:46:22 -07:00 • committed by GitHub
parent 397dad4001
commit e1bdecb6dc
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4 changed files with 7 additions and 3 deletions
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Python/importlib_zipimport.h
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@ -548,7 +548,7 @@ const unsigned char _Py_M__zipimport[] = {
0,106,1,131,1,124,0,95,2,124,0,106,2,116,3,124,
0,106,1,60,0,87,0,100,1,83,0,4,0,116,4,121,
35,1,0,1,0,1,0,116,3,160,5,124,0,106,1,100,
1,161,2,1,0,100,1,124,0,95,2,89,0,100,1,83,
1,161,2,1,0,105,0,124,0,95,2,89,0,100,1,83,
0,119,0,41,2,122,41,82,101,108,111,97,100,32,116,104,
101,32,102,105,108,101,32,100,97,116,97,32,111,102,32,116,
104,101,32,97,114,99,104,105,118,101,32,112,97,116,104,46,