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Kirill Smelkov
cython
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86cca573
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86cca573
authored
May 18, 2018
by
gabrieldemarmiesse
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Fixed formatting of existing note and transfered one from the reference/extension_types.rst.
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docs/src/userguide/special_methods.rst
docs/src/userguide/special_methods.rst
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docs/src/userguide/special_methods.rst
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86cca573
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@@ -71,11 +71,22 @@ your :meth:`__cinit__`` method to take no arguments (other than self) it
will simply ignore any extra arguments passed to the constructor without
complaining about the signature mismatch.
.. Note: Older Cython files may use :meth:`__new__` rather than :meth:`__cinit__`. The two are synonyms.
The name change from :meth:`__new__` to :meth:`__cinit__` was to avoid
confusion with Python :meth:`__new__` (which is an entirely different
concept) and eventually the use of :meth:`__new__` in Cython will be
disallowed to pave the way for supporting Python-style :meth:`__new__`
.. Note::
Older Cython files may use :meth:`__new__` rather than :meth:`__cinit__`. The two are synonyms.
The name change from :meth:`__new__` to :meth:`__cinit__` was to avoid
confusion with Python :meth:`__new__` (which is an entirely different
concept) and eventually the use of :meth:`__new__` in Cython will be
disallowed to pave the way for supporting Python-style :meth:`__new__`
.. Note::
All constructor arguments will be passed as Python objects.
This implies that non-convertible C types such as pointers or C++ objects
cannot be passed into the constructor from Cython code. If this is needed,
use a factory function instead that handles the object initialisation.
It often helps to directly call ``__new__()`` in this function to bypass the
call to the ``__init__()`` constructor.
.. [#] http://docs.python.org/reference/datamodel.html#object.__new__
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