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Struct.__init__() can leave the Struct object in inconsistent state #145743
Description
Since Struct.__init__() first saves the format in s_format, then sets s_code used to pack/unpack, after calling it with invalid format argument it leaves the Struct object in inconsistent state -- format returns the new (invalid) format, while packing/unpacking use old format (if it was set). This happens only when call it explicitly, which will be deprecated (see #143715). If simply call Struct() with invalid argument, you will not get a broken object, you will get an error.
Linked PRs
- gh-145743: Fix inconsistency after calling Struct.__init__() with invalid format #145744
- [3.14] gh-145743: Fix inconsistency after calling Struct.__init__() with invalid format (GH-145744) #145763
- [3.13] gh-145743: Fix inconsistency after calling Struct.__init__() with invalid format (GH-145744) #145764
Activity
pythongh-145743: Fix inconsistancy after calling Struct.__init__() wi…
gh-145743: Fix inconsistency after calling Struct.__init__() with inv…
pythongh-145743: Fix inconsistency after calling Struct.__init__() wi…
pythongh-145743: Fix inconsistency after calling Struct.__init__() wi…
[3.13] gh-145743: Fix inconsistency after calling Struct.__init__() w…
[3.14] gh-145743: Fix inconsistency after calling Struct.__init__() w…
pythongh-145743: Fix inconsistency after calling Struct.__init__() wi…