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bpo-43838: Use a copy to delegate types.MappingProxyType operators #27300

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bpo-43838: Use a copy to delegate types.MappingProxyType operators #27300

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72c6e63
Add regression tests
brandtbucher Jul 23, 2021
1c28035
Delegate mappingproxy ops to copies, not originals
brandtbucher Jul 23, 2021
1735453
Update docs
brandtbucher Jul 23, 2021
6f8fdaf
blurb add
brandtbucher Jul 23, 2021
8f9dc09
Fix refleaks
brandtbucher Jul 23, 2021
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blurb add
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@brandtbucher
brandtbucher committed Jul 23, 2021
commit 6f8fdafdcfdb6517a70dc75d83444cf65666423e
3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2021-07-22-16-10-14.bpo-43838.a5j8Q3.rst
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To avoid exposing the actual proxied object to arbitrary code, union and
rich comparison operations on :class:`types.MappingProxyType` now delegate
to a copy of the underlying mapping instead.