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Fix from SF #681367: inherit tp_as_buffer. This only applies to C 

types -- Python types already inherited this.
This commit is contained in:
Guido van Rossum 2003-02-11 20:39:59 +00:00
parent 6c7438e784
commit eea4718e81
2 changed files with 6 additions and 0 deletions
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4
Misc/NEWS
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@ -258,6 +258,10 @@ Build
C API C API
----- -----
- A C type that inherits from a base type that defines tp_as_buffer
will now inherit the tp_as_buffer pointer if it doesn't define one.
(SF #681367)
- The PyArg_Parse functions now issue a DeprecationWarning if a float - The PyArg_Parse functions now issue a DeprecationWarning if a float
argument is provided when an integer is specified (this affects the 'b', argument is provided when an integer is specified (this affects the 'b',
'B', 'h', 'H', 'i', and 'l' codes). Future versions of Python will 'B', 'h', 'H', 'i', and 'l' codes). Future versions of Python will

2
Objects/typeobject.c
View File

@ -2915,6 +2915,8 @@ PyType_Ready(PyTypeObject *type)
type->tp_as_sequence = base->tp_as_sequence; type->tp_as_sequence = base->tp_as_sequence;
if (type->tp_as_mapping == NULL) if (type->tp_as_mapping == NULL)
type->tp_as_mapping = base->tp_as_mapping; type->tp_as_mapping = base->tp_as_mapping;
if (type->tp_as_buffer == NULL)
type->tp_as_buffer = base->tp_as_buffer;
} }
/* Link into each base class's list of subclasses */ /* Link into each base class's list of subclasses */