Mapping Protocol
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int PyMapping_Check(PyObject *o)
- Return 1 if the object provides mapping protocol, and 0 otherwise. This
function always succeeds.
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Py_ssize_t PyMapping_Length(PyObject *o)
Returns the number of keys in object o on success, and -1 on failure. For
objects that do not provide mapping protocol, this is equivalent to the Python
expression len(o).
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int PyMapping_DelItemString(PyObject *o, char *key)
- Remove the mapping for object key from the object o. Return -1 on
failure. This is equivalent to the Python statement del o[key].
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int PyMapping_DelItem(PyObject *o, PyObject *key)
- Remove the mapping for object key from the object o. Return -1 on
failure. This is equivalent to the Python statement del o[key].
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int PyMapping_HasKeyString(PyObject *o, char *key)
- On success, return 1 if the mapping object has the key key and 0
otherwise. This is equivalent to o[key], returning True on success
and False on an exception. This function always succeeds.
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int PyMapping_HasKey(PyObject *o, PyObject *key)
- Return 1 if the mapping object has the key key and 0 otherwise.
This is equivalent to o[key], returning True on success and False
on an exception. This function always succeeds.
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PyObject* PyMapping_Keys(PyObject *o)
- Return value: New reference.
On success, return a list of the keys in object o. On failure, return NULL.
This is equivalent to the Python expression o.keys().
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PyObject* PyMapping_Values(PyObject *o)
- Return value: New reference.
On success, return a list of the values in object o. On failure, return
NULL. This is equivalent to the Python expression o.values().
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PyObject* PyMapping_Items(PyObject *o)
- Return value: New reference.
On success, return a list of the items in object o, where each item is a tuple
containing a key-value pair. On failure, return NULL. This is equivalent to
the Python expression o.items().
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PyObject* PyMapping_GetItemString(PyObject *o, char *key)
- Return value: New reference.
Return element of o corresponding to the object key or NULL on failure.
This is the equivalent of the Python expression o[key].
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int PyMapping_SetItemString(PyObject *o, char *key, PyObject *v)
- Map the object key to the value v in object o. Returns -1 on failure.
This is the equivalent of the Python statement o[key] = v.
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