120 lines
5.3 KiB
Cython
120 lines
5.3 KiB
Cython
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cdef extern from "Python.h":
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############################################################################
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# 7.5.14 Set Objects
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############################################################################
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# This section details the public API for set and frozenset
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# objects. Any functionality not listed below is best accessed
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# using the either the abstract object protocol (including
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# PyObject_CallMethod(), PyObject_RichCompareBool(),
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# PyObject_Hash(), PyObject_Repr(), PyObject_IsTrue(),
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# PyObject_Print(), and PyObject_GetIter()) or the abstract number
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# protocol (including PyNumber_Add(), PyNumber_Subtract(),
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# PyNumber_Or(), PyNumber_Xor(), PyNumber_InPlaceAdd(),
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# PyNumber_InPlaceSubtract(), PyNumber_InPlaceOr(), and
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# PyNumber_InPlaceXor()).
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# PySetObject
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# This subtype of PyObject is used to hold the internal data for
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# both set and frozenset objects. It is like a PyDictObject in
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# that it is a fixed size for small sets (much like tuple storage)
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# and will point to a separate, variable sized block of memory for
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# medium and large sized sets (much like list storage). None of
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# the fields of this structure should be considered public and are
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# subject to change. All access should be done through the
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# documented API rather than by manipulating the values in the
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# structure.
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# PyTypeObject PySet_Type
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# This is an instance of PyTypeObject representing the Python set type.
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# PyTypeObject PyFrozenSet_Type
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# This is an instance of PyTypeObject representing the Python frozenset type.
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# The following type check macros work on pointers to any Python
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# object. Likewise, the constructor functions work with any
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# iterable Python object.
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bint PyAnySet_Check(object p)
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# Return true if p is a set object, a frozenset object, or an
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# instance of a subtype.
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bint PyAnySet_CheckExact(object p)
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# Return true if p is a set object or a frozenset object but not
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# an instance of a subtype.
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bint PyFrozenSet_Check(object p)
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# Return true if p is a frozenset object or an instance of a subtype.
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bint PyFrozenSet_CheckExact(object p)
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# Return true if p is a frozenset object but not an instance of a subtype.
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bint PySet_Check(object p)
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# Return true if p is a set object or an instance of a subtype.
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object PySet_New(object iterable)
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# Return value: New reference.
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# Return a new set containing objects returned by the
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# iterable. The iterable may be NULL to create a new empty
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# set. Return the new set on success or NULL on failure. Raise
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# TypeError if iterable is not actually iterable. The constructor
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# is also useful for copying a set (c=set(s)).
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object PyFrozenSet_New(object iterable)
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# Return value: New reference.
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# Return a new frozenset containing objects returned by the
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# iterable. The iterable may be NULL to create a new empty
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# frozenset. Return the new set on success or NULL on
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# failure. Raise TypeError if iterable is not actually iterable.
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# The following functions and macros are available for instances
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# of set or frozenset or instances of their subtypes.
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Py_ssize_t PySet_Size(object anyset) except -1
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# Return the length of a set or frozenset object. Equivalent to
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# "len(anyset)". Raises a PyExc_SystemError if anyset is not a
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# set, frozenset, or an instance of a subtype.
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Py_ssize_t PySet_GET_SIZE(object anyset)
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# Macro form of PySet_Size() without error checking.
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bint PySet_Contains(object anyset, object key) except -1
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# Return 1 if found, 0 if not found, and -1 if an error is
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# encountered. Unlike the Python __contains__() method, this
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# function does not automatically convert unhashable sets into
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# temporary frozensets. Raise a TypeError if the key is
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# unhashable. Raise PyExc_SystemError if anyset is not a set,
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# frozenset, or an instance of a subtype.
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# The following functions are available for instances of set or
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# its subtypes but not for instances of frozenset or its subtypes.
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int PySet_Add(object set, object key) except -1
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# Add key to a set instance. Does not apply to frozenset
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# instances. Return 0 on success or -1 on failure. Raise a
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# TypeError if the key is unhashable. Raise a MemoryError if there
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# is no room to grow. Raise a SystemError if set is an not an
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# instance of set or its subtype.
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bint PySet_Discard(object set, object key) except -1
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# Return 1 if found and removed, 0 if not found (no action taken),
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# and -1 if an error is encountered. Does not raise KeyError for
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# missing keys. Raise a TypeError if the key is unhashable. Unlike
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# the Python discard() method, this function does not
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# automatically convert unhashable sets into temporary
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# frozensets. Raise PyExc_SystemError if set is an not an instance
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# of set or its subtype.
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object PySet_Pop(object set)
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# Return value: New reference.
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# Return a new reference to an arbitrary object in the set, and
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# removes the object from the set. Return NULL on failure. Raise
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# KeyError if the set is empty. Raise a SystemError if set is an
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# not an instance of set or its subtype.
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int PySet_Clear(object set)
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# Empty an existing set of all elements.
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