New submission from Michał Bartoszkiewicz <[email protected]>:
The following code, which seems reasonable:
import io
import pickle
class Pickler(pickle.Pickler):
def persistent_id(self, obj):
return super().persistent_id(obj)
Pickler(io.BytesIO()).dump(42)
crashes with:
RecursionError: maximum recursion depth exceeded while calling a Python object
It works perfectly when inheriting from pickle._Pickler (the Python
implementation).
----------
components: Library (Lib)
files: pickle-bug.py
messages: 405494
nosy: embe-navalgo
priority: normal
severity: normal
status: open
title: Infinite recursion in Pickler.persistent_id
type: behavior
versions: Python 3.10, Python 3.7, Python 3.8, Python 3.9
Added file: https://bugs.python.org/file50418/pickle-bug.py
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<https://bugs.python.org/issue45687>
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