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[3.12] gh-115937: Remove implementation details from inspect.signature() docs (GH-116086) #116106

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Feb 29, 2024
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[3.12] gh-115937: Remove implementation details from inspect.signature() docs (GH-116086) #116106

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10 changes: 7 additions & 3 deletions Doc/library/inspect.rst
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Expand Up @@ -655,9 +655,6 @@ function.
Accepts a wide range of Python callables, from plain functions and classes to
:func:`functools.partial` objects.

If the passed object has a ``__signature__`` attribute, this function
returns it without further computations.

For objects defined in modules using stringized annotations
(``from __future__ import annotations``), :func:`signature` will
attempt to automatically un-stringize the annotations using
Expand Down Expand Up @@ -692,6 +689,13 @@ function.
Python. For example, in CPython, some built-in functions defined in
C provide no metadata about their arguments.

.. impl-detail::

If the passed object has a :attr:`!__signature__` attribute,
we may use it to create the signature.
The exact semantics are an implementation detail and are subject to
unannounced changes. Consult the source code for current semantics.


.. class:: Signature(parameters=None, *, return_annotation=Signature.empty)

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