opycaml / mapping.idl.in

// ---------------------- mapping protocol

boolean PyMapping_Check(PyObject  *o);
// Return 1 if the object provides mapping protocol, and 0 otherwise. This function always succeeds.

size_or_fail PyMapping_Size(PyMappingObject *o);
size_or_fail PyMapping_Length(PyMappingObject *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).

unit_or_fail PyMapping_DelItemString(PyMappingObject *o, [string] 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].

unit_or_fail PyMapping_DelItem(PyMappingObject *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].

boolean PyMapping_HasKeyString(PyMappingObject *o, [string] 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.

boolean PyMapping_HasKey(PyMappingObject *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.

[new] PyListObject* PyMapping_Keys(PyMappingObject *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().

[new] PyListObject* PyMapping_Values(PyMappingObject *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().

[new] PyListObject* PyMapping_Items(PyMappingObject *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().

[new] PyObject* PyMapping_GetItemString(PyMappingObject *o, [string] 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].

unit_or_fail PyMapping_SetItemString(PyMappingObject *o, [string] 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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