8000 gh-134160: Block multiple module initialization by encukou · Pull Request #134773 · python/cpython · GitHub
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Merged
merged 4 commits into from
May 28, 2025
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gh-134160: Block multiple module initialization #134773

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gh-134160: Block multiple module initialization
encukou May 27, 2025
c53b208
Update Doc/extending/extending.rst
encukou May 27, 2025
e961fac
Update Doc/extending/extending.rst
AA-Turner May 27, 2025
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encukou May 28, 2025
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Update Doc/extending/extending.rst 
Co-authored-by: Petr Viktorin <encukou@gmail.com>
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@AA-Turner @encukou
AA-Turner and encukou authored May 27, 2025
commit e961facf469d8c4fffa5c090f7e112904f4184b1
2 changes: 1 addition & 1 deletion Doc/extending/extending.rst
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Expand Up @@ -216,7 +216,7 @@ and initialize it by calling :c:func:`PyErr_NewException` in the module's

Since :c:data:`!SpamError` is a global variable, each call to the
:c:data:`Py_mod_exec` function would overwrite it.
It is not very common to load multiple copies of a module, so for now,
For now, let's avoid the issue:
we will block repeated initialization by raising an
:py:exc:`ImportError`::

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