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bpo-13487: Use sys.modules.copy() in inspect.getmodule() for thread safety. (GH-18786)
authorGregory P. Smith <gps@google.com>
Thu, 5 Mar 2020 00:45:22 +0000 (16:45 -0800)
committerGitHub <noreply@github.com>
Thu, 5 Mar 2020 00:45:22 +0000 (16:45 -0800)
commit85cf1d514b84dc9a4bcb40e20a12e1d82ff19f20
tree4d97683755d61456848d3cd1e94c218c46110f74tree | snapshot
parentd4a09c13ddd91a9bc1b4ba76ff4e8a153334a1e2commit | diff
bpo-13487: Use sys.modules.copy() in inspect.getmodule() for thread safety. (GH-18786)

`list(sys.modules.items())` was apparently not immune to "dictionary
changed size during iteration" errors.

Tested internally using an integration test that has run into this a couple of times in the past two years.  With this patch applied, the test is no longer flaky.
Lib/inspect.py diff | blob | blame | history
Misc/NEWS.d/next/Library/2020-03-04-16-10-59.bpo-13487.gqe4Fb.rst [new file with mode: 0644] blob
Mirror of https://github.com/python/cpython.git