1 #ifndef Py_DICTOBJECT_H 2 #define Py_DICTOBJECT_H 3 #ifdef __cplusplus 4 extern "C" { 5 #endif 6 7 /* Dictionary object type -- mapping from hashable object to object */ 8 9 /* The distribution includes a separate file, Objects/dictnotes.txt, 10 describing explorations into dictionary design and optimization. 11 It covers typical dictionary use patterns, the parameters for 12 tuning dictionaries, and several ideas for possible optimizations. 13 */ 14 15 PyAPI_DATA(PyTypeObject) PyDict_Type; 16 17 #define PyDict_Check(op) \ 18 PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_DICT_SUBCLASS) 19 #define PyDict_CheckExact(op) Py_IS_TYPE(op, &PyDict_Type) 20 21 PyAPI_FUNC(PyObject *) PyDict_New(void); 22 PyAPI_FUNC(PyObject *) PyDict_GetItem(PyObject *mp, PyObject *key); 23 PyAPI_FUNC(PyObject *) PyDict_GetItemWithError(PyObject *mp, PyObject *key); 24 PyAPI_FUNC(int) PyDict_SetItem(PyObject *mp, PyObject *key, PyObject *item); 25 PyAPI_FUNC(int) PyDict_DelItem(PyObject *mp, PyObject *key); 26 PyAPI_FUNC(void) PyDict_Clear(PyObject *mp); 27 PyAPI_FUNC(int) PyDict_Next( 28 PyObject *mp, Py_ssize_t *pos, PyObject **key, PyObject **value); 29 PyAPI_FUNC(PyObject *) PyDict_Keys(PyObject *mp); 30 PyAPI_FUNC(PyObject *) PyDict_Values(PyObject *mp); 31 PyAPI_FUNC(PyObject *) PyDict_Items(PyObject *mp); 32 PyAPI_FUNC(Py_ssize_t) PyDict_Size(PyObject *mp); 33 PyAPI_FUNC(PyObject *) PyDict_Copy(PyObject *mp); 34 PyAPI_FUNC(int) PyDict_Contains(PyObject *mp, PyObject *key); 35 36 /* PyDict_Update(mp, other) is equivalent to PyDict_Merge(mp, other, 1). */ 37 PyAPI_FUNC(int) PyDict_Update(PyObject *mp, PyObject *other); 38 39 /* PyDict_Merge updates/merges from a mapping object (an object that 40 supports PyMapping_Keys() and PyObject_GetItem()). If override is true, 41 the last occurrence of a key wins, else the first. The Python 42 dict.update(other) is equivalent to PyDict_Merge(dict, other, 1). 43 */ 44 PyAPI_FUNC(int) PyDict_Merge(PyObject *mp, 45 PyObject *other, 46 int override); 47 48 /* PyDict_MergeFromSeq2 updates/merges from an iterable object producing 49 iterable objects of length 2. If override is true, the last occurrence 50 of a key wins, else the first. The Python dict constructor dict(seq2) 51 is equivalent to dict={}; PyDict_MergeFromSeq(dict, seq2, 1). 52 */ 53 PyAPI_FUNC(int) PyDict_MergeFromSeq2(PyObject *d, 54 PyObject *seq2, 55 int override); 56 57 PyAPI_FUNC(PyObject *) PyDict_GetItemString(PyObject *dp, const char *key); 58 PyAPI_FUNC(int) PyDict_SetItemString(PyObject *dp, const char *key, PyObject *item); 59 PyAPI_FUNC(int) PyDict_DelItemString(PyObject *dp, const char *key); 60 61 /* Dictionary (keys, values, items) views */ 62 63 PyAPI_DATA(PyTypeObject) PyDictKeys_Type; 64 PyAPI_DATA(PyTypeObject) PyDictValues_Type; 65 PyAPI_DATA(PyTypeObject) PyDictItems_Type; 66 67 #define PyDictKeys_Check(op) PyObject_TypeCheck(op, &PyDictKeys_Type) 68 #define PyDictValues_Check(op) PyObject_TypeCheck(op, &PyDictValues_Type) 69 #define PyDictItems_Check(op) PyObject_TypeCheck(op, &PyDictItems_Type) 70 /* This excludes Values, since they are not sets. */ 71 # define PyDictViewSet_Check(op) \ 72 (PyDictKeys_Check(op) || PyDictItems_Check(op)) 73 74 /* Dictionary (key, value, items) iterators */ 75 76 PyAPI_DATA(PyTypeObject) PyDictIterKey_Type; 77 PyAPI_DATA(PyTypeObject) PyDictIterValue_Type; 78 PyAPI_DATA(PyTypeObject) PyDictIterItem_Type; 79 80 PyAPI_DATA(PyTypeObject) PyDictRevIterKey_Type; 81 PyAPI_DATA(PyTypeObject) PyDictRevIterItem_Type; 82 PyAPI_DATA(PyTypeObject) PyDictRevIterValue_Type; 83 84 85 #ifndef Py_LIMITED_API 86 # define Py_CPYTHON_DICTOBJECT_H 87 # include "cpython/dictobject.h" 88 # undef Py_CPYTHON_DICTOBJECT_H 89 #endif 90 91 #ifdef __cplusplus 92 } 93 #endif 94 #endif /* !Py_DICTOBJECT_H */ 95