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author | Georg Brandl <georg@python.org> | 2014-10-05 14:38:02 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2014-10-05 14:38:02 (GMT) |
commit | 340c749a3a091f14c7701b66a05e864c8f95740a (patch) | |
tree | 0e903a106bd765d6e58273ae28c8da521e7fa8fb /Doc/c-api | |
parent | 9db487b31ff4ac0242fcb769ab0c8d1241e089fc (diff) | |
download | cpython-340c749a3a091f14c7701b66a05e864c8f95740a.zip cpython-340c749a3a091f14c7701b66a05e864c8f95740a.tar.gz cpython-340c749a3a091f14c7701b66a05e864c8f95740a.tar.bz2 |
Closes #19477: remove outdated documentation of tp_print type object slot.
Diffstat (limited to 'Doc/c-api')
-rw-r--r-- | Doc/c-api/typeobj.rst | 25 |
1 files changed, 1 insertions, 24 deletions
diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst index 497af23..b43622a 100644 --- a/Doc/c-api/typeobj.rst +++ b/Doc/c-api/typeobj.rst @@ -189,30 +189,7 @@ type objects) *must* have the :attr:`ob_size` field. .. c:member:: printfunc PyTypeObject.tp_print - An optional pointer to the instance print function. - - The print function is only called when the instance is printed to a *real* file; - when it is printed to a pseudo-file (like a :class:`io.StringIO` instance), the - instance's :c:member:`~PyTypeObject.tp_repr` or :c:member:`~PyTypeObject.tp_str` function is called to convert it to - a string. These are also called when the type's :c:member:`~PyTypeObject.tp_print` field is - *NULL*. A type should never implement :c:member:`~PyTypeObject.tp_print` in a way that produces - different output than :c:member:`~PyTypeObject.tp_repr` or :c:member:`~PyTypeObject.tp_str` would. - - The print function is called with the same signature as :c:func:`PyObject_Print`: - ``int tp_print(PyObject *self, FILE *file, int flags)``. The *self* argument is - the instance to be printed. The *file* argument is the stdio file to which it - is to be printed. The *flags* argument is composed of flag bits. The only flag - bit currently defined is :const:`Py_PRINT_RAW`. When the :const:`Py_PRINT_RAW` - flag bit is set, the instance should be printed the same way as :c:member:`~PyTypeObject.tp_str` - would format it; when the :const:`Py_PRINT_RAW` flag bit is clear, the instance - should be printed the same way as :c:member:`~PyTypeObject.tp_repr` would format it. It should - return ``-1`` and set an exception condition when an error occurs. - - It is possible that the :c:member:`~PyTypeObject.tp_print` field will be deprecated. In any case, - it is recommended not to define :c:member:`~PyTypeObject.tp_print`, but instead to rely on - :c:member:`~PyTypeObject.tp_repr` and :c:member:`~PyTypeObject.tp_str` for printing. - - This field is inherited by subtypes. + Reserved slot, formerly used for print formatting in Python 2.x. .. c:member:: getattrfunc PyTypeObject.tp_getattr |