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bpo-42048: Document AC's defining_class converter by erlend-aasland · Pull Request #23978 · python/cpython · GitHub
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bpo-42048: Document AC's defining_class converter #23978

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vstinner merged 9 commits into from
Jan 20, 2021
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bpo-42048: Document AC's defining_class converter #23978

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bpo-42048: Document AC's defining_class converter
Dec 28, 2020
dedc115
Fix inline literals
Dec 28, 2020
38df615
Use PEP marker
Jan 20, 2021
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Address review
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Close the braces
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Address review: Move note about _PyType_GetModuleByDef being slow
Jan 20, 2021
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Fix .rst bug
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97ec8e8
Fix typo: follwing => following
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Fix .rst bug: default role used
Jan 20, 2021
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Fix inline literals
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Erlend E. Aasland
Erlend E. Aasland committed Dec 28, 2020
commit dedc1150ddce380e9daa266c7e24597c1df4f1d8
16 changes: 8 additions & 8 deletions Doc/howto/clinic.rst
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Expand Up @@ -1211,7 +1211,7 @@ Using a "defining class" converter

Argument Clinic facilitates gaining access to the defining class of a method.
This is useful for heap type methods that need to fetch module level state.
Example from `Modules/zlibmodule.c`::
Example from ``Modules/zlibmodule.c``::

/*[clinic input]
zlib.Compress.compress
Expand All @@ -1229,15 +1229,15 @@ Example from `Modules/zlibmodule.c`::


Each method may only have one argument using this converter, and it must appear
after `self`, or, if `self` is not used, as the first argument. The argument
will be of type `PyTypeObject *`.
after ``self``, or, if ``self`` is not used, as the first argument. The argument
will be of type ``PyTypeObject *``.

When used, Argument Clinic will select `METH_FASTCALL | METH_KEYWORDS |
METH_METHOD` as the calling convention. The argument will not appear in
`__text_signature__`.
When used, Argument Clinic will select ``METH_FASTCALL | METH_KEYWORDS |
METH_METHOD`` as the calling convention. The argument will not appear in
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``__text_signature__``.

The `defining_class` converter is not compatible with `__init__` and `__new__`
methods, which cannot use the `METH_METHOD` convention.
The ``defining_class`` converter is not compatible with ``__init__`` and ``__new__``
methods, which cannot use the ``METH_METHOD`` convention.
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See also PEP 573.
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