Changeset 391 for python/trunk/Doc/c-api/dict.rst
- Timestamp:
- Mar 19, 2014, 11:31:01 PM (11 years ago)
- Location:
- python/trunk
- Files:
-
- 2 edited
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python/trunk
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Property svn:mergeinfo
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/python/vendor/Python-2.7.6 merged eligible /python/vendor/current merged eligible
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python/trunk/Doc/c-api/dict.rst
r2 r391 9 9 10 10 11 .. c type:: PyDictObject12 13 This subtype of :c type:`PyObject` represents a Python dictionary object.14 15 16 .. c var:: PyTypeObject PyDict_Type11 .. c:type:: PyDictObject 12 13 This subtype of :c:type:`PyObject` represents a Python dictionary object. 14 15 16 .. c:var:: PyTypeObject PyDict_Type 17 17 18 18 .. index:: … … 20 20 single: DictionaryType (in module types) 21 21 22 This instance of :c type:`PyTypeObject` represents the Python dictionary22 This instance of :c:type:`PyTypeObject` represents the Python dictionary 23 23 type. This is exposed to Python programs as ``dict`` and 24 24 ``types.DictType``. 25 25 26 26 27 .. c function:: int PyDict_Check(PyObject *p)27 .. c:function:: int PyDict_Check(PyObject *p) 28 28 29 29 Return true if *p* is a dict object or an instance of a subtype of the dict … … 34 34 35 35 36 .. c function:: int PyDict_CheckExact(PyObject *p)36 .. c:function:: int PyDict_CheckExact(PyObject *p) 37 37 38 38 Return true if *p* is a dict object, but not an instance of a subtype of … … 42 42 43 43 44 .. c function:: PyObject* PyDict_New()44 .. c:function:: PyObject* PyDict_New() 45 45 46 46 Return a new empty dictionary, or *NULL* on failure. 47 47 48 48 49 .. c function:: PyObject* PyDictProxy_New(PyObject *dict)49 .. c:function:: PyObject* PyDictProxy_New(PyObject *dict) 50 50 51 51 Return a proxy object for a mapping which enforces read-only behavior. … … 56 56 57 57 58 .. c function:: void PyDict_Clear(PyObject *p)58 .. c:function:: void PyDict_Clear(PyObject *p) 59 59 60 60 Empty an existing dictionary of all key-value pairs. 61 61 62 62 63 .. c function:: int PyDict_Contains(PyObject *p, PyObject *key)63 .. c:function:: int PyDict_Contains(PyObject *p, PyObject *key) 64 64 65 65 Determine if dictionary *p* contains *key*. If an item in *p* is matches … … 70 70 71 71 72 .. c function:: PyObject* PyDict_Copy(PyObject *p)72 .. c:function:: PyObject* PyDict_Copy(PyObject *p) 73 73 74 74 Return a new dictionary that contains the same key-value pairs as *p*. … … 77 77 78 78 79 .. c function:: int PyDict_SetItem(PyObject *p, PyObject *key, PyObject *val)79 .. c:function:: int PyDict_SetItem(PyObject *p, PyObject *key, PyObject *val) 80 80 81 81 Insert *value* into the dictionary *p* with a key of *key*. *key* must be … … 84 84 85 85 86 .. c function:: int PyDict_SetItemString(PyObject *p, const char *key, PyObject *val)86 .. c:function:: int PyDict_SetItemString(PyObject *p, const char *key, PyObject *val) 87 87 88 88 .. index:: single: PyString_FromString() 89 89 90 90 Insert *value* into the dictionary *p* using *key* as a key. *key* should 91 be a :c type:`char\*`. The key object is created using91 be a :c:type:`char\*`. The key object is created using 92 92 ``PyString_FromString(key)``. Return ``0`` on success or ``-1`` on 93 93 failure. 94 94 95 95 96 .. c function:: int PyDict_DelItem(PyObject *p, PyObject *key)96 .. c:function:: int PyDict_DelItem(PyObject *p, PyObject *key) 97 97 98 98 Remove the entry in dictionary *p* with key *key*. *key* must be hashable; … … 101 101 102 102 103 .. c function:: int PyDict_DelItemString(PyObject *p, char *key)103 .. c:function:: int PyDict_DelItemString(PyObject *p, char *key) 104 104 105 105 Remove the entry in dictionary *p* which has a key specified by the string … … 107 107 108 108 109 .. c function:: PyObject* PyDict_GetItem(PyObject *p, PyObject *key)109 .. c:function:: PyObject* PyDict_GetItem(PyObject *p, PyObject *key) 110 110 111 111 Return the object from dictionary *p* which has a key *key*. Return *NULL* … … 113 113 114 114 115 .. c function:: PyObject* PyDict_GetItemString(PyObject *p, const char *key)116 117 This is the same as :c func:`PyDict_GetItem`, but *key* is specified as a118 :c type:`char\*`, rather than a :ctype:`PyObject\*`.119 120 121 .. c function:: PyObject* PyDict_Items(PyObject *p)122 123 Return a :c type:`PyListObject` containing all the items from the115 .. c:function:: PyObject* PyDict_GetItemString(PyObject *p, const char *key) 116 117 This is the same as :c:func:`PyDict_GetItem`, but *key* is specified as a 118 :c:type:`char\*`, rather than a :c:type:`PyObject\*`. 119 120 121 .. c:function:: PyObject* PyDict_Items(PyObject *p) 122 123 Return a :c:type:`PyListObject` containing all the items from the 124 124 dictionary, as in the dictionary method :meth:`dict.items`. 125 125 126 126 127 .. c function:: PyObject* PyDict_Keys(PyObject *p)128 129 Return a :c type:`PyListObject` containing all the keys from the dictionary,127 .. c:function:: PyObject* PyDict_Keys(PyObject *p) 128 129 Return a :c:type:`PyListObject` containing all the keys from the dictionary, 130 130 as in the dictionary method :meth:`dict.keys`. 131 131 132 132 133 .. c function:: PyObject* PyDict_Values(PyObject *p)134 135 Return a :c type:`PyListObject` containing all the values from the133 .. c:function:: PyObject* PyDict_Values(PyObject *p) 134 135 Return a :c:type:`PyListObject` containing all the values from the 136 136 dictionary *p*, as in the dictionary method :meth:`dict.values`. 137 137 138 138 139 .. c function:: Py_ssize_t PyDict_Size(PyObject *p)139 .. c:function:: Py_ssize_t PyDict_Size(PyObject *p) 140 140 141 141 .. index:: builtin: len … … 145 145 146 146 .. versionchanged:: 2.5 147 This function returned an :c type:`int` type. This might require changes147 This function returned an :c:type:`int` type. This might require changes 148 148 in your code for properly supporting 64-bit systems. 149 149 150 150 151 .. c function:: int PyDict_Next(PyObject *p, Py_ssize_t *ppos, PyObject **pkey, PyObject **pvalue)151 .. c:function:: int PyDict_Next(PyObject *p, Py_ssize_t *ppos, PyObject **pkey, PyObject **pvalue) 152 152 153 153 Iterate over all key-value pairs in the dictionary *p*. The 154 :c type:`Py_ssize_t` referred to by *ppos* must be initialized to ``0``154 :c:type:`Py_ssize_t` referred to by *ppos* must be initialized to ``0`` 155 155 prior to the first call to this function to start the iteration; the 156 156 function returns true for each pair in the dictionary, and false once all 157 157 pairs have been reported. The parameters *pkey* and *pvalue* should either 158 point to :c type:`PyObject\*` variables that will be filled in with each key158 point to :c:type:`PyObject\*` variables that will be filled in with each key 159 159 and value, respectively, or may be *NULL*. Any references returned through 160 160 them are borrowed. *ppos* should not be altered during iteration. Its … … 193 193 194 194 .. versionchanged:: 2.5 195 This function used an :c type:`int *` type for *ppos*. This might require195 This function used an :c:type:`int *` type for *ppos*. This might require 196 196 changes in your code for properly supporting 64-bit systems. 197 197 198 198 199 .. c function:: int PyDict_Merge(PyObject *a, PyObject *b, int override)199 .. c:function:: int PyDict_Merge(PyObject *a, PyObject *b, int override) 200 200 201 201 Iterate over mapping object *b* adding key-value pairs to dictionary *a*. 202 *b* may be a dictionary, or any object supporting : func:`PyMapping_Keys`203 and : func:`PyObject_GetItem`. If *override* is true, existing pairs in *a*202 *b* may be a dictionary, or any object supporting :c:func:`PyMapping_Keys` 203 and :c:func:`PyObject_GetItem`. If *override* is true, existing pairs in *a* 204 204 will be replaced if a matching key is found in *b*, otherwise pairs will 205 205 only be added if there is not a matching key in *a*. Return ``0`` on … … 209 209 210 210 211 .. c function:: int PyDict_Update(PyObject *a, PyObject *b)211 .. c:function:: int PyDict_Update(PyObject *a, PyObject *b) 212 212 213 213 This is the same as ``PyDict_Merge(a, b, 1)`` in C, or ``a.update(b)`` in … … 217 217 218 218 219 .. c function:: int PyDict_MergeFromSeq2(PyObject *a, PyObject *seq2, int override)219 .. c:function:: int PyDict_MergeFromSeq2(PyObject *a, PyObject *seq2, int override) 220 220 221 221 Update or merge into dictionary *a*, from the key-value pairs in *seq2*.
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