[3.12] gh-50644: Forbid pickling of codecs streams (GH-109180) #109231
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Attempts to pickle or create a shallow or deep copy of codecs streams now raise a TypeError. Previously, copying failed with a RecursionError, while pickling produced wrong results that eventually caused unpickling to fail with a RecursionError. (cherry picked from commit d6892c2) Co-authored-by: Serhiy Storchaka <[email protected]>
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FYI, I'm delaying this until 3.12.1. |
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Attempts to pickle or create a shallow or deep copy of codecs streams
now raise a TypeError.
Previously, copying failed with a RecursionError, while pickling
produced wrong results that eventually caused unpickling to fail with
a RecursionError.
(cherry picked from commit d6892c2)
Co-authored-by: Serhiy Storchaka [email protected]