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Next: 7.4 Numeric Objects Up: 7.3 Mapping Objects Previous: 7.3 Mapping Objects
7.3.1 Dictionary Objects
- PyDictObject
- This subtype of PyObject represents a Python dictionary object.
- PyTypeObject PyDict_Type
- This instance of PyTypeObject represents the Python dictionary type. This is exposed to Python programs as
types.DictTypeandtypes.DictionaryType.
- int PyDict_Check (PyObject *p)
- Returns true if its argument is a PyDictObject.
- PyObject* PyDict_New ()
- Return value: New reference.Returns a new empty dictionary, or NULL on failure.
- void PyDict_Clear (PyObject *p)
- Empties an existing dictionary of all key/value pairs.
- int PyDict_SetItem (PyObject *p, PyObject *key, PyObject *val)
- Inserts value into the dictionary with a key of key. key must be hashable; if it isn't, TypeError will be raised.
- int PyDict_SetItemString (PyObject *p, char *key, PyObject *val)
- Inserts value into the dictionary using key as a key. key should be a char*. The key object is created using
PyString_FromString(key).
- int PyDict_DelItem (PyObject *p, PyObject *key)
- Removes the entry in dictionary p with key key. key must be hashable; if it isn't, TypeError is raised.
- int PyDict_DelItemString (PyObject *p, char *key)
- Removes the entry in dictionary p which has a key specified by the string key.
- PyObject* PyDict_GetItem (PyObject *p, PyObject *key)
- Return value: Borrowed reference.Returns the object from dictionary p which has a key key. Returns NULL if the key key is not present, but without setting an exception.
- PyObject* PyDict_GetItemString (PyObject *p, char *key)
- Return value: Borrowed reference.This is the same as PyDict_GetItem(), but key is specified as a char*, rather than a PyObject*.
- PyObject* PyDict_Items (PyObject *p)
- Return value: New reference.Returns a PyListObject containing all the items from the dictionary, as in the dictinoary method items() (see the Python Library Reference).
- PyObject* PyDict_Keys (PyObject *p)
- Return value: New reference.Returns a PyListObject containing all the keys from the dictionary, as in the dictionary method keys() (see the Python Library Reference).
- PyObject* PyDict_Values (PyObject *p)
- Return value: New reference.Returns a PyListObject containing all the values from the dictionary p, as in the dictionary method values() (see the Python Library Reference).
- int PyDict_Size (PyObject *p)
- Returns the number of items in the dictionary. This is equivalent to "len(p)" on a dictionary.
- int PyDict_Next (PyDictObject *p, int ppos, PyObject **pkey, PyObject **pvalue)
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/var> bytes. ValueError is returned if size is not zero or positive.
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