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6.4 Mapping Protocol

 
int PyMapping_Check( PyObject *o)
Return 1 if the object provides mapping protocol, and 0 otherwise. This function always succeeds.
 
int 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)".
 
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]".
 
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]".
 
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 the Python expression "o.has_key(key)". This function always succeeds.
 
int PyMapping_HasKey( PyObject *o, PyObject *key)
Return 1 if the mapping object has the key key and 0 otherwise. This is equivalent to the Python expression "o.has_key(key)". This function always succeeds.
 
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()".
 
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()".
 
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()".
 
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]".
 
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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For authoritative source of the documentation, please refer to http://python.org/doc/

  

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