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gh-107442: Document all valid types for ctypes _as_parameter_ (#107443)

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Tomas R 2023-08-07 12:41:39 +02:00 • committed by GitHub
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Doc/library/ctypes.rst
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@ -401,9 +401,10 @@ Calling functions with your own custom data types
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
You can also customize :mod:`ctypes` argument conversion to allow instances of You can also customize :mod:`ctypes` argument conversion to allow instances of
your own classes be used as function arguments. :mod:`ctypes` looks for an your own classes be used as function arguments. :mod:`ctypes` looks for an
:attr:`!_as_parameter_` attribute and uses this as the function argument. Of :attr:`!_as_parameter_` attribute and uses this as the function argument. The
course, it must be one of integer, string, or bytes:: attribute must be an integer, string, bytes, a :mod:`ctypes` instance, or an
object with an :attr:`!_as_parameter_` attribute::
>>> class Bottles: >>> class Bottles:
... def __init__(self, number): ... def __init__(self, number):