# SOME DESCRIPTIVE TITLE. # Copyright (C) 2001-2022, Python Software Foundation # This file is distributed under the same license as the Python package. # # Translators: msgid "" msgstr "" "Project-Id-Version: Python 3.12\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2023-08-18 00:03+0000\n" "PO-Revision-Date: 2018-05-23 14:33+0000\n" "Last-Translator: Adrian Liaw \n" "Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-" "tw)\n" "Language: zh_TW\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" "Plural-Forms: nplurals=1; plural=0;\n" #: ../../c-api/typeobj.rst:6 msgid "Type Objects" msgstr "型別物件" #: ../../c-api/typeobj.rst:8 msgid "" "Perhaps one of the most important structures of the Python object system is " "the structure that defines a new type: the :c:type:`PyTypeObject` " "structure. Type objects can be handled using any of the ``PyObject_*`` or " "``PyType_*`` functions, but do not offer much that's interesting to most " "Python applications. These objects are fundamental to how objects behave, so " "they are very important to the interpreter itself and to any extension " "module that implements new types." msgstr "" #: ../../c-api/typeobj.rst:16 msgid "" "Type objects are fairly large compared to most of the standard types. The " "reason for the size is that each type object stores a large number of " "values, mostly C function pointers, each of which implements a small part of " "the type's functionality. The fields of the type object are examined in " "detail in this section. The fields will be described in the order in which " "they occur in the structure." msgstr "" #: ../../c-api/typeobj.rst:23 msgid "" "In addition to the following quick reference, the :ref:`typedef-examples` " "section provides at-a-glance insight into the meaning and use of :c:type:" "`PyTypeObject`." msgstr "" #: ../../c-api/typeobj.rst:29 msgid "Quick Reference" msgstr "" #: ../../c-api/typeobj.rst:34 msgid "\"tp slots\"" msgstr "" #: ../../c-api/typeobj.rst:40 msgid "PyTypeObject Slot [#slots]_" msgstr "" #: ../../c-api/typeobj.rst:40 ../../c-api/typeobj.rst:201 msgid ":ref:`Type `" msgstr "" #: ../../c-api/typeobj.rst:40 msgid "special methods/attrs" msgstr "" #: ../../c-api/typeobj.rst:40 msgid "Info [#cols]_" msgstr "" #: ../../c-api/typeobj.rst:42 msgid "O" msgstr "O" #: ../../c-api/typeobj.rst:42 msgid "T" msgstr "T" #: ../../c-api/typeobj.rst:42 msgid "D" msgstr "D" #: ../../c-api/typeobj.rst:42 msgid "I" msgstr "I" #: ../../c-api/typeobj.rst:44 msgid " :c:member:`~PyTypeObject.tp_name`" msgstr " :c:member:`~PyTypeObject.tp_name`" #: ../../c-api/typeobj.rst:0 ../../c-api/typeobj.rst:44 #: ../../c-api/typeobj.rst:86 msgid "const char *" msgstr "const char *" #: ../../c-api/typeobj.rst:44 msgid "__name__" msgstr "__name__" #: ../../c-api/typeobj.rst:44 ../../c-api/typeobj.rst:46 #: ../../c-api/typeobj.rst:48 ../../c-api/typeobj.rst:50 #: ../../c-api/typeobj.rst:52 ../../c-api/typeobj.rst:62 #: ../../c-api/typeobj.rst:70 ../../c-api/typeobj.rst:72 #: ../../c-api/typeobj.rst:74 ../../c-api/typeobj.rst:76 #: ../../c-api/typeobj.rst:79 ../../c-api/typeobj.rst:84 #: ../../c-api/typeobj.rst:86 ../../c-api/typeobj.rst:88 #: ../../c-api/typeobj.rst:90 ../../c-api/typeobj.rst:92 #: ../../c-api/typeobj.rst:99 ../../c-api/typeobj.rst:101 #: ../../c-api/typeobj.rst:103 ../../c-api/typeobj.rst:105 #: ../../c-api/typeobj.rst:107 ../../c-api/typeobj.rst:109 #: ../../c-api/typeobj.rst:111 ../../c-api/typeobj.rst:115 #: ../../c-api/typeobj.rst:117 ../../c-api/typeobj.rst:120 #: ../../c-api/typeobj.rst:122 ../../c-api/typeobj.rst:124 #: ../../c-api/typeobj.rst:126 ../../c-api/typeobj.rst:128 #: ../../c-api/typeobj.rst:130 ../../c-api/typeobj.rst:146 msgid "X" msgstr "X" #: ../../c-api/typeobj.rst:46 msgid ":c:member:`~PyTypeObject.tp_basicsize`" msgstr ":c:member:`~PyTypeObject.tp_basicsize`" #: ../../c-api/typeobj.rst:0 ../../c-api/typeobj.rst:46 #: ../../c-api/typeobj.rst:48 ../../c-api/typeobj.rst:52 #: ../../c-api/typeobj.rst:99 ../../c-api/typeobj.rst:120 #: ../../c-api/typeobj.rst:416 msgid ":c:type:`Py_ssize_t`" msgstr ":c:type:`Py_ssize_t`" #: ../../c-api/typeobj.rst:48 msgid ":c:member:`~PyTypeObject.tp_itemsize`" msgstr ":c:member:`~PyTypeObject.tp_itemsize`" #: ../../c-api/typeobj.rst:50 msgid ":c:member:`~PyTypeObject.tp_dealloc`" msgstr ":c:member:`~PyTypeObject.tp_dealloc`" #: ../../c-api/typeobj.rst:50 ../../c-api/typeobj.rst:142 #: ../../c-api/typeobj.rst:146 ../../c-api/typeobj.rst:346 msgid ":c:type:`destructor`" msgstr ":c:type:`destructor`" #: ../../c-api/typeobj.rst:52 msgid ":c:member:`~PyTypeObject.tp_vectorcall_offset`" msgstr ":c:member:`~PyTypeObject.tp_vectorcall_offset`" #: ../../c-api/typeobj.rst:54 msgid "(:c:member:`~PyTypeObject.tp_getattr`)" msgstr "(:c:member:`~PyTypeObject.tp_getattr`)" #: ../../c-api/typeobj.rst:54 ../../c-api/typeobj.rst:370 msgid ":c:type:`getattrfunc`" msgstr ":c:type:`getattrfunc`" #: ../../c-api/typeobj.rst:54 ../../c-api/typeobj.rst:76 msgid "__getattribute__, __getattr__" msgstr "__getattribute__, __getattr__" #: ../../c-api/typeobj.rst:54 ../../c-api/typeobj.rst:57 #: ../../c-api/typeobj.rst:70 ../../c-api/typeobj.rst:76 #: ../../c-api/typeobj.rst:79 ../../c-api/typeobj.rst:88 #: ../../c-api/typeobj.rst:90 ../../c-api/typeobj.rst:92 msgid "G" msgstr "G" #: ../../c-api/typeobj.rst:57 msgid "(:c:member:`~PyTypeObject.tp_setattr`)" msgstr "(:c:member:`~PyTypeObject.tp_setattr`)" #: ../../c-api/typeobj.rst:57 ../../c-api/typeobj.rst:375 msgid ":c:type:`setattrfunc`" msgstr ":c:type:`setattrfunc`" #: ../../c-api/typeobj.rst:57 ../../c-api/typeobj.rst:79 msgid "__setattr__, __delattr__" msgstr "__setattr__, __delattr__" #: ../../c-api/typeobj.rst:60 msgid ":c:member:`~PyTypeObject.tp_as_async`" msgstr ":c:member:`~PyTypeObject.tp_as_async`" #: ../../c-api/typeobj.rst:60 msgid ":c:type:`PyAsyncMethods` *" msgstr ":c:type:`PyAsyncMethods` *" #: ../../c-api/typeobj.rst:60 ../../c-api/typeobj.rst:64 #: ../../c-api/typeobj.rst:66 ../../c-api/typeobj.rst:68 msgid ":ref:`sub-slots`" msgstr ":ref:`sub-slots`" #: ../../c-api/typeobj.rst:60 ../../c-api/typeobj.rst:64 #: ../../c-api/typeobj.rst:66 ../../c-api/typeobj.rst:68 #: ../../c-api/typeobj.rst:82 msgid "%" msgstr "%" #: ../../c-api/typeobj.rst:62 msgid ":c:member:`~PyTypeObject.tp_repr`" msgstr ":c:member:`~PyTypeObject.tp_repr`" #: ../../c-api/typeobj.rst:62 ../../c-api/typeobj.rst:74 #: ../../c-api/typeobj.rst:368 msgid ":c:type:`reprfunc`" msgstr ":c:type:`reprfunc`" #: ../../c-api/typeobj.rst:62 msgid "__repr__" msgstr "__repr__" #: ../../c-api/typeobj.rst:64 msgid ":c:member:`~PyTypeObject.tp_as_number`" msgstr ":c:member:`~PyTypeObject.tp_as_number`" #: ../../c-api/typeobj.rst:64 msgid ":c:type:`PyNumberMethods` *" msgstr ":c:type:`PyNumberMethods` *" #: ../../c-api/typeobj.rst:66 msgid ":c:member:`~PyTypeObject.tp_as_sequence`" msgstr ":c:member:`~PyTypeObject.tp_as_sequence`" #: ../../c-api/typeobj.rst:66 msgid ":c:type:`PySequenceMethods` *" msgstr ":c:type:`PySequenceMethods` *" #: ../../c-api/typeobj.rst:68 msgid ":c:member:`~PyTypeObject.tp_as_mapping`" msgstr ":c:member:`~PyTypeObject.tp_as_mapping`" #: ../../c-api/typeobj.rst:68 msgid ":c:type:`PyMappingMethods` *" msgstr ":c:type:`PyMappingMethods` *" #: ../../c-api/typeobj.rst:70 msgid ":c:member:`~PyTypeObject.tp_hash`" msgstr ":c:member:`~PyTypeObject.tp_hash`" #: ../../c-api/typeobj.rst:70 ../../c-api/typeobj.rst:404 msgid ":c:type:`hashfunc`" msgstr ":c:type:`hashfunc`" #: ../../c-api/typeobj.rst:70 msgid "__hash__" msgstr "__hash__" #: ../../c-api/typeobj.rst:72 msgid ":c:member:`~PyTypeObject.tp_call`" msgstr ":c:member:`~PyTypeObject.tp_call`" #: ../../c-api/typeobj.rst:72 ../../c-api/typeobj.rst:237 #: ../../c-api/typeobj.rst:240 ../../c-api/typeobj.rst:440 msgid ":c:type:`ternaryfunc`" msgstr ":c:type:`ternaryfunc`" #: ../../c-api/typeobj.rst:72 msgid "__call__" msgstr "__call__" #: ../../c-api/typeobj.rst:74 msgid ":c:member:`~PyTypeObject.tp_str`" msgstr ":c:member:`~PyTypeObject.tp_str`" #: ../../c-api/typeobj.rst:74 msgid "__str__" msgstr "__str__" #: ../../c-api/typeobj.rst:76 msgid ":c:member:`~PyTypeObject.tp_getattro`" msgstr ":c:member:`~PyTypeObject.tp_getattro`" #: ../../c-api/typeobj.rst:76 ../../c-api/typeobj.rst:381 msgid ":c:type:`getattrofunc`" msgstr ":c:type:`getattrofunc`" #: ../../c-api/typeobj.rst:79 msgid ":c:member:`~PyTypeObject.tp_setattro`" msgstr ":c:member:`~PyTypeObject.tp_setattro`" #: ../../c-api/typeobj.rst:79 ../../c-api/typeobj.rst:386 msgid ":c:type:`setattrofunc`" msgstr ":c:type:`setattrofunc`" #: ../../c-api/typeobj.rst:82 msgid ":c:member:`~PyTypeObject.tp_as_buffer`" msgstr ":c:member:`~PyTypeObject.tp_as_buffer`" #: ../../c-api/typeobj.rst:82 msgid ":c:type:`PyBufferProcs` *" msgstr ":c:type:`PyBufferProcs` *" #: ../../c-api/typeobj.rst:84 msgid ":c:member:`~PyTypeObject.tp_flags`" msgstr ":c:member:`~PyTypeObject.tp_flags`" #: ../../c-api/typeobj.rst:84 msgid "unsigned long" msgstr "unsigned long" #: ../../c-api/typeobj.rst:84 ../../c-api/typeobj.rst:99 #: ../../c-api/typeobj.rst:113 ../../c-api/typeobj.rst:120 #: ../../c-api/typeobj.rst:124 ../../c-api/typeobj.rst:126 #: ../../c-api/typeobj.rst:128 msgid "?" msgstr "?" #: ../../c-api/typeobj.rst:86 msgid ":c:member:`~PyTypeObject.tp_doc`" msgstr ":c:member:`~PyTypeObject.tp_doc`" #: ../../c-api/typeobj.rst:86 msgid "__doc__" msgstr "__doc__" #: ../../c-api/typeobj.rst:88 msgid ":c:member:`~PyTypeObject.tp_traverse`" msgstr ":c:member:`~PyTypeObject.tp_traverse`" #: ../../c-api/typeobj.rst:88 ../../c-api/typeobj.rst:350 msgid ":c:type:`traverseproc`" msgstr ":c:type:`traverseproc`" #: ../../c-api/typeobj.rst:90 msgid ":c:member:`~PyTypeObject.tp_clear`" msgstr ":c:member:`~PyTypeObject.tp_clear`" #: ../../c-api/typeobj.rst:90 ../../c-api/typeobj.rst:130 #: ../../c-api/typeobj.rst:248 ../../c-api/typeobj.rst:429 msgid ":c:type:`inquiry`" msgstr ":c:type:`inquiry`" #: ../../c-api/typeobj.rst:92 msgid ":c:member:`~PyTypeObject.tp_richcompare`" msgstr ":c:member:`~PyTypeObject.tp_richcompare`" #: ../../c-api/typeobj.rst:92 ../../c-api/typeobj.rst:406 msgid ":c:type:`richcmpfunc`" msgstr ":c:type:`richcmpfunc`" #: ../../c-api/typeobj.rst:92 msgid "__lt__, __le__, __eq__, __ne__, __gt__, __ge__" msgstr "__lt__, __le__, __eq__, __ne__, __gt__, __ge__" #: ../../c-api/typeobj.rst:99 msgid "(:c:member:`~PyTypeObject.tp_weaklistoffset`)" msgstr "(:c:member:`~PyTypeObject.tp_weaklistoffset`)" #: ../../c-api/typeobj.rst:101 msgid ":c:member:`~PyTypeObject.tp_iter`" msgstr ":c:member:`~PyTypeObject.tp_iter`" #: ../../c-api/typeobj.rst:101 ../../c-api/typeobj.rst:412 msgid ":c:type:`getiterfunc`" msgstr ":c:type:`getiterfunc`" #: ../../c-api/typeobj.rst:101 msgid "__iter__" msgstr "__iter__" #: ../../c-api/typeobj.rst:103 msgid ":c:member:`~PyTypeObject.tp_iternext`" msgstr ":c:member:`~PyTypeObject.tp_iternext`" #: ../../c-api/typeobj.rst:103 ../../c-api/typeobj.rst:414 msgid ":c:type:`iternextfunc`" msgstr ":c:type:`iternextfunc`" #: ../../c-api/typeobj.rst:103 msgid "__next__" msgstr "__next__" #: ../../c-api/typeobj.rst:105 msgid ":c:member:`~PyTypeObject.tp_methods`" msgstr ":c:member:`~PyTypeObject.tp_methods`" #: ../../c-api/typeobj.rst:105 msgid ":c:type:`PyMethodDef` []" msgstr ":c:type:`PyMethodDef` []" #: ../../c-api/typeobj.rst:107 msgid ":c:member:`~PyTypeObject.tp_members`" msgstr ":c:member:`~PyTypeObject.tp_members`" #: ../../c-api/typeobj.rst:107 msgid ":c:type:`PyMemberDef` []" msgstr ":c:type:`PyMemberDef` []" #: ../../c-api/typeobj.rst:109 msgid ":c:member:`~PyTypeObject.tp_getset`" msgstr ":c:member:`~PyTypeObject.tp_getset`" #: ../../c-api/typeobj.rst:109 msgid ":c:type:`PyGetSetDef` []" msgstr ":c:type:`PyGetSetDef` []" #: ../../c-api/typeobj.rst:111 msgid ":c:member:`~PyTypeObject.tp_base`" msgstr ":c:member:`~PyTypeObject.tp_base`" #: ../../c-api/typeobj.rst:0 ../../c-api/typeobj.rst:111 msgid ":c:type:`PyTypeObject` *" msgstr ":c:type:`PyTypeObject` *" #: ../../c-api/typeobj.rst:111 msgid "__base__" msgstr "__base__" #: ../../c-api/typeobj.rst:113 msgid ":c:member:`~PyTypeObject.tp_dict`" msgstr ":c:member:`~PyTypeObject.tp_dict`" #: ../../c-api/typeobj.rst:0 ../../c-api/typeobj.rst:113 #: ../../c-api/typeobj.rst:132 ../../c-api/typeobj.rst:134 #: ../../c-api/typeobj.rst:136 ../../c-api/typeobj.rst:140 #: ../../c-api/typeobj.rst:341 ../../c-api/typeobj.rst:356 #: ../../c-api/typeobj.rst:368 ../../c-api/typeobj.rst:370 #: ../../c-api/typeobj.rst:381 ../../c-api/typeobj.rst:392 #: ../../c-api/typeobj.rst:404 ../../c-api/typeobj.rst:406 #: ../../c-api/typeobj.rst:412 ../../c-api/typeobj.rst:414 #: ../../c-api/typeobj.rst:416 ../../c-api/typeobj.rst:431 #: ../../c-api/typeobj.rst:435 ../../c-api/typeobj.rst:440 #: ../../c-api/typeobj.rst:446 msgid ":c:type:`PyObject` *" msgstr ":c:type:`PyObject` *" #: ../../c-api/typeobj.rst:113 msgid "__dict__" msgstr "__dict__" #: ../../c-api/typeobj.rst:115 msgid ":c:member:`~PyTypeObject.tp_descr_get`" msgstr ":c:member:`~PyTypeObject.tp_descr_get`" #: ../../c-api/typeobj.rst:115 ../../c-api/typeobj.rst:392 msgid ":c:type:`descrgetfunc`" msgstr ":c:type:`descrgetfunc`" #: ../../c-api/typeobj.rst:115 msgid "__get__" msgstr "__get__" #: ../../c-api/typeobj.rst:117 msgid ":c:member:`~PyTypeObject.tp_descr_set`" msgstr ":c:member:`~PyTypeObject.tp_descr_set`" #: ../../c-api/typeobj.rst:117 ../../c-api/typeobj.rst:398 msgid ":c:type:`descrsetfunc`" msgstr ":c:type:`descrsetfunc`" #: ../../c-api/typeobj.rst:117 msgid "__set__, __delete__" msgstr "__set__, __delete__" #: ../../c-api/typeobj.rst:120 msgid "(:c:member:`~PyTypeObject.tp_dictoffset`)" msgstr "(:c:member:`~PyTypeObject.tp_dictoffset`)" #: ../../c-api/typeobj.rst:122 msgid ":c:member:`~PyTypeObject.tp_init`" msgstr ":c:member:`~PyTypeObject.tp_init`" #: ../../c-api/typeobj.rst:122 ../../c-api/typeobj.rst:362 msgid ":c:type:`initproc`" msgstr ":c:type:`initproc`" #: ../../c-api/typeobj.rst:122 msgid "__init__" msgstr "__init__" #: ../../c-api/typeobj.rst:124 msgid ":c:member:`~PyTypeObject.tp_alloc`" msgstr ":c:member:`~PyTypeObject.tp_alloc`" #: ../../c-api/typeobj.rst:124 ../../c-api/typeobj.rst:341 msgid ":c:type:`allocfunc`" msgstr ":c:type:`allocfunc`" #: ../../c-api/typeobj.rst:126 msgid ":c:member:`~PyTypeObject.tp_new`" msgstr ":c:member:`~PyTypeObject.tp_new`" #: ../../c-api/typeobj.rst:126 ../../c-api/typeobj.rst:356 msgid ":c:type:`newfunc`" msgstr ":c:type:`newfunc`" #: ../../c-api/typeobj.rst:126 msgid "__new__" msgstr "__new__" #: ../../c-api/typeobj.rst:128 msgid ":c:member:`~PyTypeObject.tp_free`" msgstr ":c:member:`~PyTypeObject.tp_free`" #: ../../c-api/typeobj.rst:128 ../../c-api/typeobj.rst:348 msgid ":c:type:`freefunc`" msgstr ":c:type:`freefunc`" #: ../../c-api/typeobj.rst:130 msgid ":c:member:`~PyTypeObject.tp_is_gc`" msgstr ":c:member:`~PyTypeObject.tp_is_gc`" #: ../../c-api/typeobj.rst:132 msgid "<:c:member:`~PyTypeObject.tp_bases`>" msgstr "<:c:member:`~PyTypeObject.tp_bases`>" #: ../../c-api/typeobj.rst:132 msgid "__bases__" msgstr "__bases__" #: ../../c-api/typeobj.rst:132 ../../c-api/typeobj.rst:134 msgid "~" msgstr "~" #: ../../c-api/typeobj.rst:134 msgid "<:c:member:`~PyTypeObject.tp_mro`>" msgstr "<:c:member:`~PyTypeObject.tp_mro`>" #: ../../c-api/typeobj.rst:134 msgid "__mro__" msgstr "__mro__" #: ../../c-api/typeobj.rst:136 msgid "[:c:member:`~PyTypeObject.tp_cache`]" msgstr "[:c:member:`~PyTypeObject.tp_cache`]" #: ../../c-api/typeobj.rst:138 msgid "[:c:member:`~PyTypeObject.tp_subclasses`]" msgstr "[:c:member:`~PyTypeObject.tp_subclasses`]" #: ../../c-api/typeobj.rst:0 ../../c-api/typeobj.rst:138 #: ../../c-api/typeobj.rst:279 ../../c-api/typeobj.rst:346 #: ../../c-api/typeobj.rst:348 ../../c-api/typeobj.rst:429 msgid "void *" msgstr "void *" #: ../../c-api/typeobj.rst:138 msgid "__subclasses__" msgstr "__subclasses__" #: ../../c-api/typeobj.rst:140 msgid "[:c:member:`~PyTypeObject.tp_weaklist`]" msgstr "[:c:member:`~PyTypeObject.tp_weaklist`]" #: ../../c-api/typeobj.rst:142 msgid "(:c:member:`~PyTypeObject.tp_del`)" msgstr "(:c:member:`~PyTypeObject.tp_del`)" #: ../../c-api/typeobj.rst:144 msgid "[:c:member:`~PyTypeObject.tp_version_tag`]" msgstr "[:c:member:`~PyTypeObject.tp_version_tag`]" #: ../../c-api/typeobj.rst:144 msgid "unsigned int" msgstr "unsigned int" #: ../../c-api/typeobj.rst:146 msgid ":c:member:`~PyTypeObject.tp_finalize`" msgstr ":c:member:`~PyTypeObject.tp_finalize`" #: ../../c-api/typeobj.rst:146 msgid "__del__" msgstr "__del__" #: ../../c-api/typeobj.rst:148 msgid ":c:member:`~PyTypeObject.tp_vectorcall`" msgstr ":c:member:`~PyTypeObject.tp_vectorcall`" #: ../../c-api/typeobj.rst:148 msgid ":c:type:`vectorcallfunc`" msgstr ":c:type:`vectorcallfunc`" #: ../../c-api/typeobj.rst:150 msgid "[:c:member:`~PyTypeObject.tp_watched`]" msgstr "[:c:member:`~PyTypeObject.tp_watched`]" #: ../../c-api/typeobj.rst:150 msgid "unsigned char" msgstr "unsigned char" #: ../../c-api/typeobj.rst:155 msgid "" "**()**: A slot name in parentheses indicates it is (effectively) deprecated." msgstr "" #: ../../c-api/typeobj.rst:157 msgid "" "**<>**: Names in angle brackets should be initially set to ``NULL`` and " "treated as read-only." msgstr "" #: ../../c-api/typeobj.rst:160 msgid "**[]**: Names in square brackets are for internal use only." msgstr "" #: ../../c-api/typeobj.rst:162 msgid "" "**** (as a prefix) means the field is required (must be non-``NULL``)." msgstr "" #: ../../c-api/typeobj.rst:164 msgid "Columns:" msgstr "" #: ../../c-api/typeobj.rst:166 msgid "**\"O\"**: set on :c:data:`PyBaseObject_Type`" msgstr "" #: ../../c-api/typeobj.rst:168 msgid "**\"T\"**: set on :c:data:`PyType_Type`" msgstr "" #: ../../c-api/typeobj.rst:170 msgid "**\"D\"**: default (if slot is set to ``NULL``)" msgstr "" #: ../../c-api/typeobj.rst:180 msgid "**\"I\"**: inheritance" msgstr "" #: ../../c-api/typeobj.rst:189 msgid "" "Note that some slots are effectively inherited through the normal attribute " "lookup chain." msgstr "" #: ../../c-api/typeobj.rst:195 msgid "sub-slots" msgstr "" #: ../../c-api/typeobj.rst:201 msgid "Slot" msgstr "" #: ../../c-api/typeobj.rst:201 msgid "special methods" msgstr "" #: ../../c-api/typeobj.rst:204 msgid ":c:member:`~PyAsyncMethods.am_await`" msgstr ":c:member:`~PyAsyncMethods.am_await`" #: ../../c-api/typeobj.rst:204 ../../c-api/typeobj.rst:206 #: ../../c-api/typeobj.rst:208 ../../c-api/typeobj.rst:242 #: ../../c-api/typeobj.rst:244 ../../c-api/typeobj.rst:246 #: ../../c-api/typeobj.rst:250 ../../c-api/typeobj.rst:277 #: ../../c-api/typeobj.rst:281 ../../c-api/typeobj.rst:291 #: ../../c-api/typeobj.rst:431 msgid ":c:type:`unaryfunc`" msgstr ":c:type:`unaryfunc`" #: ../../c-api/typeobj.rst:204 msgid "__await__" msgstr "__await__" #: ../../c-api/typeobj.rst:206 msgid ":c:member:`~PyAsyncMethods.am_aiter`" msgstr ":c:member:`~PyAsyncMethods.am_aiter`" #: ../../c-api/typeobj.rst:206 msgid "__aiter__" msgstr "__aiter__" #: ../../c-api/typeobj.rst:208 msgid ":c:member:`~PyAsyncMethods.am_anext`" msgstr ":c:member:`~PyAsyncMethods.am_anext`" #: ../../c-api/typeobj.rst:208 msgid "__anext__" msgstr "__anext__" #: ../../c-api/typeobj.rst:210 msgid ":c:member:`~PyAsyncMethods.am_send`" msgstr ":c:member:`~PyAsyncMethods.am_send`" #: ../../c-api/typeobj.rst:210 msgid ":c:type:`sendfunc`" msgstr ":c:type:`sendfunc`" #: ../../c-api/typeobj.rst:214 msgid ":c:member:`~PyNumberMethods.nb_add`" msgstr ":c:member:`~PyNumberMethods.nb_add`" #: ../../c-api/typeobj.rst:214 ../../c-api/typeobj.rst:217 #: ../../c-api/typeobj.rst:219 ../../c-api/typeobj.rst:222 #: ../../c-api/typeobj.rst:224 ../../c-api/typeobj.rst:227 #: ../../c-api/typeobj.rst:229 ../../c-api/typeobj.rst:232 #: ../../c-api/typeobj.rst:234 ../../c-api/typeobj.rst:252 #: ../../c-api/typeobj.rst:255 ../../c-api/typeobj.rst:257 #: ../../c-api/typeobj.rst:260 ../../c-api/typeobj.rst:262 #: ../../c-api/typeobj.rst:265 ../../c-api/typeobj.rst:267 #: ../../c-api/typeobj.rst:270 ../../c-api/typeobj.rst:272 #: ../../c-api/typeobj.rst:275 ../../c-api/typeobj.rst:283 #: ../../c-api/typeobj.rst:285 ../../c-api/typeobj.rst:287 #: ../../c-api/typeobj.rst:289 ../../c-api/typeobj.rst:293 #: ../../c-api/typeobj.rst:296 ../../c-api/typeobj.rst:302 #: ../../c-api/typeobj.rst:311 ../../c-api/typeobj.rst:322 #: ../../c-api/typeobj.rst:435 msgid ":c:type:`binaryfunc`" msgstr ":c:type:`binaryfunc`" #: ../../c-api/typeobj.rst:214 msgid "__add__ __radd__" msgstr "__add__ __radd__" #: ../../c-api/typeobj.rst:217 msgid ":c:member:`~PyNumberMethods.nb_inplace_add`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_add`" #: ../../c-api/typeobj.rst:217 ../../c-api/typeobj.rst:322 msgid "__iadd__" msgstr "__iadd__" #: ../../c-api/typeobj.rst:219 msgid ":c:member:`~PyNumberMethods.nb_subtract`" msgstr ":c:member:`~PyNumberMethods.nb_subtract`" #: ../../c-api/typeobj.rst:219 msgid "__sub__ __rsub__" msgstr "__sub__ __rsub__" #: ../../c-api/typeobj.rst:222 msgid ":c:member:`~PyNumberMethods.nb_inplace_subtract`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_subtract`" #: ../../c-api/typeobj.rst:222 msgid "__isub__" msgstr "__isub__" #: ../../c-api/typeobj.rst:224 msgid ":c:member:`~PyNumberMethods.nb_multiply`" msgstr ":c:member:`~PyNumberMethods.nb_multiply`" #: ../../c-api/typeobj.rst:224 msgid "__mul__ __rmul__" msgstr "__mul__ __rmul__" #: ../../c-api/typeobj.rst:227 msgid ":c:member:`~PyNumberMethods.nb_inplace_multiply`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_multiply`" #: ../../c-api/typeobj.rst:227 ../../c-api/typeobj.rst:324 msgid "__imul__" msgstr "__imul__" #: ../../c-api/typeobj.rst:229 msgid ":c:member:`~PyNumberMethods.nb_remainder`" msgstr ":c:member:`~PyNumberMethods.nb_remainder`" #: ../../c-api/typeobj.rst:229 msgid "__mod__ __rmod__" msgstr "__mod__ __rmod__" #: ../../c-api/typeobj.rst:232 msgid ":c:member:`~PyNumberMethods.nb_inplace_remainder`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_remainder`" #: ../../c-api/typeobj.rst:232 msgid "__imod__" msgstr "__imod__" #: ../../c-api/typeobj.rst:234 msgid ":c:member:`~PyNumberMethods.nb_divmod`" msgstr ":c:member:`~PyNumberMethods.nb_divmod`" #: ../../c-api/typeobj.rst:234 msgid "__divmod__ __rdivmod__" msgstr "__divmod__ __rdivmod__" #: ../../c-api/typeobj.rst:237 msgid ":c:member:`~PyNumberMethods.nb_power`" msgstr ":c:member:`~PyNumberMethods.nb_power`" #: ../../c-api/typeobj.rst:237 msgid "__pow__ __rpow__" msgstr "__pow__ __rpow__" #: ../../c-api/typeobj.rst:240 msgid ":c:member:`~PyNumberMethods.nb_inplace_power`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_power`" #: ../../c-api/typeobj.rst:240 msgid "__ipow__" msgstr "__ipow__" #: ../../c-api/typeobj.rst:242 msgid ":c:member:`~PyNumberMethods.nb_negative`" msgstr ":c:member:`~PyNumberMethods.nb_negative`" #: ../../c-api/typeobj.rst:242 msgid "__neg__" msgstr "__neg__" #: ../../c-api/typeobj.rst:244 msgid ":c:member:`~PyNumberMethods.nb_positive`" msgstr ":c:member:`~PyNumberMethods.nb_positive`" #: ../../c-api/typeobj.rst:244 msgid "__pos__" msgstr "__pos__" #: ../../c-api/typeobj.rst:246 msgid ":c:member:`~PyNumberMethods.nb_absolute`" msgstr ":c:member:`~PyNumberMethods.nb_absolute`" #: ../../c-api/typeobj.rst:246 msgid "__abs__" msgstr "__abs__" #: ../../c-api/typeobj.rst:248 msgid ":c:member:`~PyNumberMethods.nb_bool`" msgstr ":c:member:`~PyNumberMethods.nb_bool`" #: ../../c-api/typeobj.rst:248 msgid "__bool__" msgstr "__bool__" #: ../../c-api/typeobj.rst:250 msgid ":c:member:`~PyNumberMethods.nb_invert`" msgstr ":c:member:`~PyNumberMethods.nb_invert`" #: ../../c-api/typeobj.rst:250 msgid "__invert__" msgstr "__invert__" #: ../../c-api/typeobj.rst:252 msgid ":c:member:`~PyNumberMethods.nb_lshift`" msgstr ":c:member:`~PyNumberMethods.nb_lshift`" #: ../../c-api/typeobj.rst:252 msgid "__lshift__ __rlshift__" msgstr "__lshift__ __rlshift__" #: ../../c-api/typeobj.rst:255 msgid ":c:member:`~PyNumberMethods.nb_inplace_lshift`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_lshift`" #: ../../c-api/typeobj.rst:255 msgid "__ilshift__" msgstr "__ilshift__" #: ../../c-api/typeobj.rst:257 msgid ":c:member:`~PyNumberMethods.nb_rshift`" msgstr ":c:member:`~PyNumberMethods.nb_rshift`" #: ../../c-api/typeobj.rst:257 msgid "__rshift__ __rrshift__" msgstr "__rshift__ __rrshift__" #: ../../c-api/typeobj.rst:260 msgid ":c:member:`~PyNumberMethods.nb_inplace_rshift`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_rshift`" #: ../../c-api/typeobj.rst:260 msgid "__irshift__" msgstr "__irshift__" #: ../../c-api/typeobj.rst:262 msgid ":c:member:`~PyNumberMethods.nb_and`" msgstr ":c:member:`~PyNumberMethods.nb_and`" #: ../../c-api/typeobj.rst:262 msgid "__and__ __rand__" msgstr "__and__ __rand__" #: ../../c-api/typeobj.rst:265 msgid ":c:member:`~PyNumberMethods.nb_inplace_and`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_and`" #: ../../c-api/typeobj.rst:265 msgid "__iand__" msgstr "__iand__" #: ../../c-api/typeobj.rst:267 msgid ":c:member:`~PyNumberMethods.nb_xor`" msgstr ":c:member:`~PyNumberMethods.nb_xor`" #: ../../c-api/typeobj.rst:267 msgid "__xor__ __rxor__" msgstr "__xor__ __rxor__" #: ../../c-api/typeobj.rst:270 msgid ":c:member:`~PyNumberMethods.nb_inplace_xor`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_xor`" #: ../../c-api/typeobj.rst:270 msgid "__ixor__" msgstr "__ixor__" #: ../../c-api/typeobj.rst:272 msgid ":c:member:`~PyNumberMethods.nb_or`" msgstr ":c:member:`~PyNumberMethods.nb_or`" #: ../../c-api/typeobj.rst:272 msgid "__or__ __ror__" msgstr "__or__ __ror__" #: ../../c-api/typeobj.rst:275 msgid ":c:member:`~PyNumberMethods.nb_inplace_or`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_or`" #: ../../c-api/typeobj.rst:275 msgid "__ior__" msgstr "__ior__" #: ../../c-api/typeobj.rst:277 msgid ":c:member:`~PyNumberMethods.nb_int`" msgstr ":c:member:`~PyNumberMethods.nb_int`" #: ../../c-api/typeobj.rst:277 msgid "__int__" msgstr "__int__" #: ../../c-api/typeobj.rst:279 msgid ":c:member:`~PyNumberMethods.nb_reserved`" msgstr ":c:member:`~PyNumberMethods.nb_reserved`" #: ../../c-api/typeobj.rst:281 msgid ":c:member:`~PyNumberMethods.nb_float`" msgstr ":c:member:`~PyNumberMethods.nb_float`" #: ../../c-api/typeobj.rst:281 msgid "__float__" msgstr "__float__" #: ../../c-api/typeobj.rst:283 msgid ":c:member:`~PyNumberMethods.nb_floor_divide`" msgstr ":c:member:`~PyNumberMethods.nb_floor_divide`" #: ../../c-api/typeobj.rst:283 msgid "__floordiv__" msgstr "__floordiv__" #: ../../c-api/typeobj.rst:285 msgid ":c:member:`~PyNumberMethods.nb_inplace_floor_divide`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_floor_divide`" #: ../../c-api/typeobj.rst:285 msgid "__ifloordiv__" msgstr "__ifloordiv__" #: ../../c-api/typeobj.rst:287 msgid ":c:member:`~PyNumberMethods.nb_true_divide`" msgstr ":c:member:`~PyNumberMethods.nb_true_divide`" #: ../../c-api/typeobj.rst:287 msgid "__truediv__" msgstr "__truediv__" #: ../../c-api/typeobj.rst:289 msgid ":c:member:`~PyNumberMethods.nb_inplace_true_divide`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_true_divide`" #: ../../c-api/typeobj.rst:289 msgid "__itruediv__" msgstr "__itruediv__" #: ../../c-api/typeobj.rst:291 msgid ":c:member:`~PyNumberMethods.nb_index`" msgstr ":c:member:`~PyNumberMethods.nb_index`" #: ../../c-api/typeobj.rst:291 msgid "__index__" msgstr "__index__" #: ../../c-api/typeobj.rst:293 msgid ":c:member:`~PyNumberMethods.nb_matrix_multiply`" msgstr ":c:member:`~PyNumberMethods.nb_matrix_multiply`" #: ../../c-api/typeobj.rst:293 msgid "__matmul__ __rmatmul__" msgstr "__matmul__ __rmatmul__" #: ../../c-api/typeobj.rst:296 msgid ":c:member:`~PyNumberMethods.nb_inplace_matrix_multiply`" msgstr ":c:member:`~PyNumberMethods.nb_inplace_matrix_multiply`" #: ../../c-api/typeobj.rst:296 msgid "__imatmul__" msgstr "__imatmul__" #: ../../c-api/typeobj.rst:300 msgid ":c:member:`~PyMappingMethods.mp_length`" msgstr ":c:member:`~PyMappingMethods.mp_length`" #: ../../c-api/typeobj.rst:300 ../../c-api/typeobj.rst:309 #: ../../c-api/typeobj.rst:416 msgid ":c:type:`lenfunc`" msgstr ":c:type:`lenfunc`" #: ../../c-api/typeobj.rst:300 ../../c-api/typeobj.rst:309 msgid "__len__" msgstr "__len__" #: ../../c-api/typeobj.rst:302 msgid ":c:member:`~PyMappingMethods.mp_subscript`" msgstr ":c:member:`~PyMappingMethods.mp_subscript`" #: ../../c-api/typeobj.rst:302 ../../c-api/typeobj.rst:315 msgid "__getitem__" msgstr "__getitem__" #: ../../c-api/typeobj.rst:304 msgid ":c:member:`~PyMappingMethods.mp_ass_subscript`" msgstr ":c:member:`~PyMappingMethods.mp_ass_subscript`" #: ../../c-api/typeobj.rst:304 ../../c-api/typeobj.rst:462 msgid ":c:type:`objobjargproc`" msgstr ":c:type:`objobjargproc`" #: ../../c-api/typeobj.rst:304 msgid "__setitem__, __delitem__" msgstr "__setitem__, __delitem__" #: ../../c-api/typeobj.rst:309 msgid ":c:member:`~PySequenceMethods.sq_length`" msgstr ":c:member:`~PySequenceMethods.sq_length`" #: ../../c-api/typeobj.rst:311 msgid ":c:member:`~PySequenceMethods.sq_concat`" msgstr ":c:member:`~PySequenceMethods.sq_concat`" #: ../../c-api/typeobj.rst:311 msgid "__add__" msgstr "__add__" #: ../../c-api/typeobj.rst:313 msgid ":c:member:`~PySequenceMethods.sq_repeat`" msgstr ":c:member:`~PySequenceMethods.sq_repeat`" #: ../../c-api/typeobj.rst:313 ../../c-api/typeobj.rst:315 #: ../../c-api/typeobj.rst:324 ../../c-api/typeobj.rst:446 msgid ":c:type:`ssizeargfunc`" msgstr ":c:type:`ssizeargfunc`" #: ../../c-api/typeobj.rst:313 msgid "__mul__" msgstr "__mul__" #: ../../c-api/typeobj.rst:315 msgid ":c:member:`~PySequenceMethods.sq_item`" msgstr ":c:member:`~PySequenceMethods.sq_item`" #: ../../c-api/typeobj.rst:317 msgid ":c:member:`~PySequenceMethods.sq_ass_item`" msgstr ":c:member:`~PySequenceMethods.sq_ass_item`" #: ../../c-api/typeobj.rst:317 ../../c-api/typeobj.rst:451 msgid ":c:type:`ssizeobjargproc`" msgstr ":c:type:`ssizeobjargproc`" #: ../../c-api/typeobj.rst:317 msgid "__setitem__ __delitem__" msgstr "__setitem__ __delitem__" #: ../../c-api/typeobj.rst:320 msgid ":c:member:`~PySequenceMethods.sq_contains`" msgstr ":c:member:`~PySequenceMethods.sq_contains`" #: ../../c-api/typeobj.rst:320 ../../c-api/typeobj.rst:457 msgid ":c:type:`objobjproc`" msgstr ":c:type:`objobjproc`" #: ../../c-api/typeobj.rst:320 msgid "__contains__" msgstr "__contains__" #: ../../c-api/typeobj.rst:322 msgid ":c:member:`~PySequenceMethods.sq_inplace_concat`" msgstr ":c:member:`~PySequenceMethods.sq_inplace_concat`" #: ../../c-api/typeobj.rst:324 msgid ":c:member:`~PySequenceMethods.sq_inplace_repeat`" msgstr ":c:member:`~PySequenceMethods.sq_inplace_repeat`" #: ../../c-api/typeobj.rst:328 msgid ":c:member:`~PyBufferProcs.bf_getbuffer`" msgstr ":c:member:`~PyBufferProcs.bf_getbuffer`" #: ../../c-api/typeobj.rst:328 msgid ":c:func:`getbufferproc`" msgstr ":c:func:`getbufferproc`" #: ../../c-api/typeobj.rst:330 msgid ":c:member:`~PyBufferProcs.bf_releasebuffer`" msgstr ":c:member:`~PyBufferProcs.bf_releasebuffer`" #: ../../c-api/typeobj.rst:330 msgid ":c:func:`releasebufferproc`" msgstr ":c:func:`releasebufferproc`" #: ../../c-api/typeobj.rst:336 msgid "slot typedefs" msgstr "" #: ../../c-api/typeobj.rst:339 msgid "typedef" msgstr "typedef" #: ../../c-api/typeobj.rst:339 msgid "Parameter Types" msgstr "" #: ../../c-api/typeobj.rst:339 msgid "Return Type" msgstr "" #: ../../c-api/typeobj.rst:346 ../../c-api/typeobj.rst:348 #: ../../c-api/typeobj.rst:424 msgid "void" msgstr "void" #: ../../c-api/typeobj.rst:0 msgid ":c:type:`visitproc`" msgstr ":c:type:`visitproc`" #: ../../c-api/typeobj.rst:0 ../../c-api/typeobj.rst:350 #: ../../c-api/typeobj.rst:362 ../../c-api/typeobj.rst:375 #: ../../c-api/typeobj.rst:386 ../../c-api/typeobj.rst:398 #: ../../c-api/typeobj.rst:418 ../../c-api/typeobj.rst:429 #: ../../c-api/typeobj.rst:451 ../../c-api/typeobj.rst:457 #: ../../c-api/typeobj.rst:462 msgid "int" msgstr "int" #: ../../c-api/typeobj.rst:404 msgid "Py_hash_t" msgstr "Py_hash_t" #: ../../c-api/typeobj.rst:418 msgid ":c:type:`getbufferproc`" msgstr ":c:type:`getbufferproc`" #: ../../c-api/typeobj.rst:0 msgid ":c:type:`Py_buffer` *" msgstr ":c:type:`Py_buffer` *" #: ../../c-api/typeobj.rst:424 msgid ":c:type:`releasebufferproc`" msgstr ":c:type:`releasebufferproc`" #: ../../c-api/typeobj.rst:469 msgid "See :ref:`slot-typedefs` below for more detail." msgstr "更多細節請見下方的 :ref:`slot-typedefs`。" #: ../../c-api/typeobj.rst:473 msgid "PyTypeObject Definition" msgstr "" #: ../../c-api/typeobj.rst:475 msgid "" "The structure definition for :c:type:`PyTypeObject` can be found in :file:" "`Include/object.h`. For convenience of reference, this repeats the " "definition found there:" msgstr "" #: ../../c-api/typeobj.rst:485 msgid "PyObject Slots" msgstr "" #: ../../c-api/typeobj.rst:487 msgid "" "The type object structure extends the :c:type:`PyVarObject` structure. The :" "c:member:`~PyVarObject.ob_size` field is used for dynamic types (created by :" "c:func:`!type_new`, usually called from a class statement). Note that :c:" "data:`PyType_Type` (the metatype) initializes :c:member:`~PyTypeObject." "tp_itemsize`, which means that its instances (i.e. type objects) *must* have " "the :c:member:`~PyVarObject.ob_size` field." msgstr "" #: ../../c-api/typeobj.rst:496 msgid "" "This is the type object's reference count, initialized to ``1`` by the " "``PyObject_HEAD_INIT`` macro. Note that for :ref:`statically allocated type " "objects `, the type's instances (objects whose :c:member:" "`~PyObject.ob_type` points back to the type) do *not* count as references. " "But for :ref:`dynamically allocated type objects `, the " "instances *do* count as references." msgstr "" #: ../../c-api/typeobj.rst:503 ../../c-api/typeobj.rst:526 #: ../../c-api/typeobj.rst:548 ../../c-api/typeobj.rst:562 #: ../../c-api/typeobj.rst:606 ../../c-api/typeobj.rst:649 #: ../../c-api/typeobj.rst:708 ../../c-api/typeobj.rst:749 #: ../../c-api/typeobj.rst:766 ../../c-api/typeobj.rst:783 #: ../../c-api/typeobj.rst:801 ../../c-api/typeobj.rst:825 #: ../../c-api/typeobj.rst:842 ../../c-api/typeobj.rst:854 #: ../../c-api/typeobj.rst:866 ../../c-api/typeobj.rst:899 #: ../../c-api/typeobj.rst:917 ../../c-api/typeobj.rst:937 #: ../../c-api/typeobj.rst:958 ../../c-api/typeobj.rst:984 #: ../../c-api/typeobj.rst:1003 ../../c-api/typeobj.rst:1019 #: ../../c-api/typeobj.rst:1057 ../../c-api/typeobj.rst:1068 #: ../../c-api/typeobj.rst:1078 ../../c-api/typeobj.rst:1088 #: ../../c-api/typeobj.rst:1102 ../../c-api/typeobj.rst:1120 #: ../../c-api/typeobj.rst:1143 ../../c-api/typeobj.rst:1158 #: ../../c-api/typeobj.rst:1171 ../../c-api/typeobj.rst:1193 #: ../../c-api/typeobj.rst:1237 ../../c-api/typeobj.rst:1258 #: ../../c-api/typeobj.rst:1277 ../../c-api/typeobj.rst:1307 #: ../../c-api/typeobj.rst:1329 ../../c-api/typeobj.rst:1355 #: ../../c-api/typeobj.rst:1423 ../../c-api/typeobj.rst:1491 #: ../../c-api/typeobj.rst:1552 ../../c-api/typeobj.rst:1588 #: ../../c-api/typeobj.rst:1613 ../../c-api/typeobj.rst:1636 #: ../../c-api/typeobj.rst:1649 ../../c-api/typeobj.rst:1664 #: ../../c-api/typeobj.rst:1678 ../../c-api/typeobj.rst:1708 #: ../../c-api/typeobj.rst:1740 ../../c-api/typeobj.rst:1766 #: ../../c-api/typeobj.rst:1784 ../../c-api/typeobj.rst:1813 #: ../../c-api/typeobj.rst:1857 ../../c-api/typeobj.rst:1874 #: ../../c-api/typeobj.rst:1915 ../../c-api/typeobj.rst:1937 #: ../../c-api/typeobj.rst:1969 ../../c-api/typeobj.rst:1997 #: ../../c-api/typeobj.rst:2010 ../../c-api/typeobj.rst:2020 #: ../../c-api/typeobj.rst:2037 ../../c-api/typeobj.rst:2054 #: ../../c-api/typeobj.rst:2068 ../../c-api/typeobj.rst:2114 #: ../../c-api/typeobj.rst:2137 msgid "**Inheritance:**" msgstr "" #: ../../c-api/typeobj.rst:505 ../../c-api/typeobj.rst:564 #: ../../c-api/typeobj.rst:608 msgid "This field is not inherited by subtypes." msgstr "" #: ../../c-api/typeobj.rst:510 msgid "" "This is the type's type, in other words its metatype. It is initialized by " "the argument to the ``PyObject_HEAD_INIT`` macro, and its value should " "normally be ``&PyType_Type``. However, for dynamically loadable extension " "modules that must be usable on Windows (at least), the compiler complains " "that this is not a valid initializer. Therefore, the convention is to pass " "``NULL`` to the ``PyObject_HEAD_INIT`` macro and to initialize this field " "explicitly at the start of the module's initialization function, before " "doing anything else. This is typically done like this::" msgstr "" #: ../../c-api/typeobj.rst:521 msgid "" "This should be done before any instances of the type are created. :c:func:" "`PyType_Ready` checks if :c:member:`~PyObject.ob_type` is ``NULL``, and if " "so, initializes it to the :c:member:`~PyObject.ob_type` field of the base " "class. :c:func:`PyType_Ready` will not change this field if it is non-zero." msgstr "" #: ../../c-api/typeobj.rst:528 ../../c-api/typeobj.rst:710 #: ../../c-api/typeobj.rst:827 ../../c-api/typeobj.rst:919 #: ../../c-api/typeobj.rst:939 ../../c-api/typeobj.rst:1615 #: ../../c-api/typeobj.rst:1638 ../../c-api/typeobj.rst:1768 #: ../../c-api/typeobj.rst:1786 ../../c-api/typeobj.rst:1859 #: ../../c-api/typeobj.rst:1971 ../../c-api/typeobj.rst:2116 msgid "This field is inherited by subtypes." msgstr "" #: ../../c-api/typeobj.rst:534 msgid "" "These fields are only present when the macro ``Py_TRACE_REFS`` is defined " "(see the :option:`configure --with-trace-refs option <--with-trace-refs>`)." msgstr "" #: ../../c-api/typeobj.rst:537 msgid "" "Their initialization to ``NULL`` is taken care of by the " "``PyObject_HEAD_INIT`` macro. For :ref:`statically allocated objects " "`, these fields always remain ``NULL``. For :ref:`dynamically " "allocated objects `, these two fields are used to link the " "object into a doubly linked list of *all* live objects on the heap." msgstr "" #: ../../c-api/typeobj.rst:543 msgid "" "This could be used for various debugging purposes; currently the only uses " "are the :func:`sys.getobjects` function and to print the objects that are " "still alive at the end of a run when the environment variable :envvar:" "`PYTHONDUMPREFS` is set." msgstr "" #: ../../c-api/typeobj.rst:550 msgid "These fields are not inherited by subtypes." msgstr "" #: ../../c-api/typeobj.rst:554 msgid "PyVarObject Slots" msgstr "" #: ../../c-api/typeobj.rst:558 msgid "" "For :ref:`statically allocated type objects `, this should be " "initialized to zero. For :ref:`dynamically allocated type objects `, this field has a special internal meaning." msgstr "" #: ../../c-api/typeobj.rst:568 msgid "PyTypeObject Slots" msgstr "" #: ../../c-api/typeobj.rst:570 msgid "" "Each slot has a section describing inheritance. If :c:func:`PyType_Ready` " "may set a value when the field is set to ``NULL`` then there will also be a " "\"Default\" section. (Note that many fields set on :c:data:" "`PyBaseObject_Type` and :c:data:`PyType_Type` effectively act as defaults.)" msgstr "" #: ../../c-api/typeobj.rst:577 msgid "" "Pointer to a NUL-terminated string containing the name of the type. For " "types that are accessible as module globals, the string should be the full " "module name, followed by a dot, followed by the type name; for built-in " "types, it should be just the type name. If the module is a submodule of a " "package, the full package name is part of the full module name. For " "example, a type named :class:`!T` defined in module :mod:`!M` in subpackage :" "mod:`!Q` in package :mod:`!P` should have the :c:member:`~PyTypeObject." "tp_name` initializer ``\"P.Q.M.T\"``." msgstr "" #: ../../c-api/typeobj.rst:585 msgid "" "For :ref:`dynamically allocated type objects `, this should just " "be the type name, and the module name explicitly stored in the type dict as " "the value for key ``'__module__'``." msgstr "" #: ../../c-api/typeobj.rst:590 msgid "" "For :ref:`statically allocated type objects `, the *tp_name* " "field should contain a dot. Everything before the last dot is made " "accessible as the :attr:`__module__` attribute, and everything after the " "last dot is made accessible as the :attr:`~definition.__name__` attribute." msgstr "" #: ../../c-api/typeobj.rst:596 msgid "" "If no dot is present, the entire :c:member:`~PyTypeObject.tp_name` field is " "made accessible as the :attr:`~definition.__name__` attribute, and the :attr:" "`__module__` attribute is undefined (unless explicitly set in the " "dictionary, as explained above). This means your type will be impossible to " "pickle. Additionally, it will not be listed in module documentations " "created with pydoc." msgstr "" #: ../../c-api/typeobj.rst:602 msgid "" "This field must not be ``NULL``. It is the only required field in :c:func:" "`PyTypeObject` (other than potentially :c:member:`~PyTypeObject." "tp_itemsize`)." msgstr "" #: ../../c-api/typeobj.rst:614 msgid "" "These fields allow calculating the size in bytes of instances of the type." msgstr "" #: ../../c-api/typeobj.rst:616 msgid "" "There are two kinds of types: types with fixed-length instances have a zero :" "c:member:`~PyTypeObject.tp_itemsize` field, types with variable-length " "instances have a non-zero :c:member:`~PyTypeObject.tp_itemsize` field. For " "a type with fixed-length instances, all instances have the same size, given " "in :c:member:`~PyTypeObject.tp_basicsize`." msgstr "" #: ../../c-api/typeobj.rst:621 msgid "" "For a type with variable-length instances, the instances must have an :c:" "member:`~PyVarObject.ob_size` field, and the instance size is :c:member:" "`~PyTypeObject.tp_basicsize` plus N times :c:member:`~PyTypeObject." "tp_itemsize`, where N is the \"length\" of the object. The value of N is " "typically stored in the instance's :c:member:`~PyVarObject.ob_size` field. " "There are exceptions: for example, ints use a negative :c:member:" "`~PyVarObject.ob_size` to indicate a negative number, and N is " "``abs(ob_size)`` there. Also, the presence of an :c:member:`~PyVarObject." "ob_size` field in the instance layout doesn't mean that the instance " "structure is variable-length (for example, the structure for the list type " "has fixed-length instances, yet those instances have a meaningful :c:member:" "`~PyVarObject.ob_size` field)." msgstr "" #: ../../c-api/typeobj.rst:632 msgid "" "The basic size includes the fields in the instance declared by the macro :c:" "macro:`PyObject_HEAD` or :c:macro:`PyObject_VAR_HEAD` (whichever is used to " "declare the instance struct) and this in turn includes the :c:member:" "`~PyObject._ob_prev` and :c:member:`~PyObject._ob_next` fields if they are " "present. This means that the only correct way to get an initializer for " "the :c:member:`~PyTypeObject.tp_basicsize` is to use the ``sizeof`` operator " "on the struct used to declare the instance layout. The basic size does not " "include the GC header size." msgstr "" #: ../../c-api/typeobj.rst:640 msgid "" "A note about alignment: if the variable items require a particular " "alignment, this should be taken care of by the value of :c:member:" "`~PyTypeObject.tp_basicsize`. Example: suppose a type implements an array " "of ``double``. :c:member:`~PyTypeObject.tp_itemsize` is ``sizeof(double)``. " "It is the programmer's responsibility that :c:member:`~PyTypeObject." "tp_basicsize` is a multiple of ``sizeof(double)`` (assuming this is the " "alignment requirement for ``double``)." msgstr "" #: ../../c-api/typeobj.rst:647 msgid "" "For any type with variable-length instances, this field must not be ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:651 msgid "" "These fields are inherited separately by subtypes. If the base type has a " "non-zero :c:member:`~PyTypeObject.tp_itemsize`, it is generally not safe to " "set :c:member:`~PyTypeObject.tp_itemsize` to a different non-zero value in a " "subtype (though this depends on the implementation of the base type)." msgstr "" #: ../../c-api/typeobj.rst:659 msgid "" "A pointer to the instance destructor function. This function must be " "defined unless the type guarantees that its instances will never be " "deallocated (as is the case for the singletons ``None`` and ``Ellipsis``). " "The function signature is::" msgstr "" #: ../../c-api/typeobj.rst:665 msgid "" "The destructor function is called by the :c:func:`Py_DECREF` and :c:func:" "`Py_XDECREF` macros when the new reference count is zero. At this point, " "the instance is still in existence, but there are no references to it. The " "destructor function should free all references which the instance owns, free " "all memory buffers owned by the instance (using the freeing function " "corresponding to the allocation function used to allocate the buffer), and " "call the type's :c:member:`~PyTypeObject.tp_free` function. If the type is " "not subtypable (doesn't have the :c:macro:`Py_TPFLAGS_BASETYPE` flag bit " "set), it is permissible to call the object deallocator directly instead of " "via :c:member:`~PyTypeObject.tp_free`. The object deallocator should be the " "one used to allocate the instance; this is normally :c:func:`PyObject_Del` " "if the instance was allocated using :c:macro:`PyObject_New` or :c:macro:" "`PyObject_NewVar`, or :c:func:`PyObject_GC_Del` if the instance was " "allocated using :c:macro:`PyObject_GC_New` or :c:macro:`PyObject_GC_NewVar`." msgstr "" #: ../../c-api/typeobj.rst:680 msgid "" "If the type supports garbage collection (has the :c:macro:" "`Py_TPFLAGS_HAVE_GC` flag bit set), the destructor should call :c:func:" "`PyObject_GC_UnTrack` before clearing any member fields." msgstr "" #: ../../c-api/typeobj.rst:692 msgid "" "Finally, if the type is heap allocated (:c:macro:`Py_TPFLAGS_HEAPTYPE`), the " "deallocator should release the owned reference to its type object (via :c:" "func:`Py_DECREF`) after calling the type deallocator. In order to avoid " "dangling pointers, the recommended way to achieve this is:" msgstr "" #: ../../c-api/typeobj.rst:715 msgid "" "An optional offset to a per-instance function that implements calling the " "object using the :ref:`vectorcall protocol `, a more efficient " "alternative of the simpler :c:member:`~PyTypeObject.tp_call`." msgstr "" #: ../../c-api/typeobj.rst:720 msgid "" "This field is only used if the flag :c:macro:`Py_TPFLAGS_HAVE_VECTORCALL` is " "set. If so, this must be a positive integer containing the offset in the " "instance of a :c:type:`vectorcallfunc` pointer." msgstr "" #: ../../c-api/typeobj.rst:724 msgid "" "The *vectorcallfunc* pointer may be ``NULL``, in which case the instance " "behaves as if :c:macro:`Py_TPFLAGS_HAVE_VECTORCALL` was not set: calling the " "instance falls back to :c:member:`~PyTypeObject.tp_call`." msgstr "" #: ../../c-api/typeobj.rst:728 msgid "" "Any class that sets ``Py_TPFLAGS_HAVE_VECTORCALL`` must also set :c:member:" "`~PyTypeObject.tp_call` and make sure its behaviour is consistent with the " "*vectorcallfunc* function. This can be done by setting *tp_call* to :c:func:" "`PyVectorcall_Call`." msgstr "" #: ../../c-api/typeobj.rst:735 msgid "" "Before version 3.8, this slot was named ``tp_print``. In Python 2.x, it was " "used for printing to a file. In Python 3.0 to 3.7, it was unused." msgstr "" #: ../../c-api/typeobj.rst:741 msgid "" "Before version 3.12, it was not recommended for :ref:`mutable heap types " "` to implement the vectorcall protocol. When a user sets :attr:" "`~object.__call__` in Python code, only *tp_call* is updated, likely making " "it inconsistent with the vectorcall function. Since 3.12, setting " "``__call__`` will disable vectorcall optimization by clearing the :c:macro:" "`Py_TPFLAGS_HAVE_VECTORCALL` flag." msgstr "" #: ../../c-api/typeobj.rst:751 msgid "" "This field is always inherited. However, the :c:macro:" "`Py_TPFLAGS_HAVE_VECTORCALL` flag is not always inherited. If it's not set, " "then the subclass won't use :ref:`vectorcall `, except when :c:" "func:`PyVectorcall_Call` is explicitly called." msgstr "" #: ../../c-api/typeobj.rst:760 msgid "An optional pointer to the get-attribute-string function." msgstr "" #: ../../c-api/typeobj.rst:762 msgid "" "This field is deprecated. When it is defined, it should point to a function " "that acts the same as the :c:member:`~PyTypeObject.tp_getattro` function, " "but taking a C string instead of a Python string object to give the " "attribute name." msgstr "" #: ../../c-api/typeobj.rst:768 ../../c-api/typeobj.rst:960 msgid "" "Group: :c:member:`~PyTypeObject.tp_getattr`, :c:member:`~PyTypeObject." "tp_getattro`" msgstr "" "群組::c:member:`~PyTypeObject.tp_getattr`、:c:member:`~PyTypeObject." "tp_getattro`" #: ../../c-api/typeobj.rst:770 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_getattro`: a subtype inherits both :c:member:`~PyTypeObject.tp_getattr` " "and :c:member:`~PyTypeObject.tp_getattro` from its base type when the " "subtype's :c:member:`~PyTypeObject.tp_getattr` and :c:member:`~PyTypeObject." "tp_getattro` are both ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:777 ../../c-api/typeobj.rst:973 msgid "" "An optional pointer to the function for setting and deleting attributes." msgstr "" #: ../../c-api/typeobj.rst:779 msgid "" "This field is deprecated. When it is defined, it should point to a function " "that acts the same as the :c:member:`~PyTypeObject.tp_setattro` function, " "but taking a C string instead of a Python string object to give the " "attribute name." msgstr "" #: ../../c-api/typeobj.rst:785 ../../c-api/typeobj.rst:986 msgid "" "Group: :c:member:`~PyTypeObject.tp_setattr`, :c:member:`~PyTypeObject." "tp_setattro`" msgstr "" "群組::c:member:`~PyTypeObject.tp_setattr`、:c:member:`~PyTypeObject." "tp_setattro`" #: ../../c-api/typeobj.rst:787 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_setattro`: a subtype inherits both :c:member:`~PyTypeObject.tp_setattr` " "and :c:member:`~PyTypeObject.tp_setattro` from its base type when the " "subtype's :c:member:`~PyTypeObject.tp_setattr` and :c:member:`~PyTypeObject." "tp_setattro` are both ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:794 msgid "" "Pointer to an additional structure that contains fields relevant only to " "objects which implement :term:`awaitable` and :term:`asynchronous iterator` " "protocols at the C-level. See :ref:`async-structs` for details." msgstr "" #: ../../c-api/typeobj.rst:798 msgid "Formerly known as ``tp_compare`` and ``tp_reserved``." msgstr "" #: ../../c-api/typeobj.rst:803 msgid "" "The :c:member:`~PyTypeObject.tp_as_async` field is not inherited, but the " "contained fields are inherited individually." msgstr "" #: ../../c-api/typeobj.rst:811 msgid "" "An optional pointer to a function that implements the built-in function :" "func:`repr`." msgstr "" #: ../../c-api/typeobj.rst:814 msgid "The signature is the same as for :c:func:`PyObject_Repr`::" msgstr "" #: ../../c-api/typeobj.rst:818 msgid "" "The function must return a string or a Unicode object. Ideally, this " "function should return a string that, when passed to :func:`eval`, given a " "suitable environment, returns an object with the same value. If this is not " "feasible, it should return a string starting with ``'<'`` and ending with " "``'>'`` from which both the type and the value of the object can be deduced." msgstr "" #: ../../c-api/typeobj.rst:829 ../../c-api/typeobj.rst:941 #: ../../c-api/typeobj.rst:966 ../../c-api/typeobj.rst:992 #: ../../c-api/typeobj.rst:1033 ../../c-api/typeobj.rst:1561 #: ../../c-api/typeobj.rst:1595 ../../c-api/typeobj.rst:1712 #: ../../c-api/typeobj.rst:1745 ../../c-api/typeobj.rst:1820 #: ../../c-api/typeobj.rst:1861 ../../c-api/typeobj.rst:1879 #: ../../c-api/typeobj.rst:1921 ../../c-api/typeobj.rst:1942 #: ../../c-api/typeobj.rst:1973 msgid "**Default:**" msgstr "**預設:**" #: ../../c-api/typeobj.rst:831 msgid "" "When this field is not set, a string of the form ``<%s object at %p>`` is " "returned, where ``%s`` is replaced by the type name, and ``%p`` by the " "object's memory address." msgstr "" #: ../../c-api/typeobj.rst:838 msgid "" "Pointer to an additional structure that contains fields relevant only to " "objects which implement the number protocol. These fields are documented " "in :ref:`number-structs`." msgstr "" #: ../../c-api/typeobj.rst:844 msgid "" "The :c:member:`~PyTypeObject.tp_as_number` field is not inherited, but the " "contained fields are inherited individually." msgstr "" #: ../../c-api/typeobj.rst:850 msgid "" "Pointer to an additional structure that contains fields relevant only to " "objects which implement the sequence protocol. These fields are documented " "in :ref:`sequence-structs`." msgstr "" #: ../../c-api/typeobj.rst:856 msgid "" "The :c:member:`~PyTypeObject.tp_as_sequence` field is not inherited, but the " "contained fields are inherited individually." msgstr "" #: ../../c-api/typeobj.rst:862 msgid "" "Pointer to an additional structure that contains fields relevant only to " "objects which implement the mapping protocol. These fields are documented " "in :ref:`mapping-structs`." msgstr "" #: ../../c-api/typeobj.rst:868 msgid "" "The :c:member:`~PyTypeObject.tp_as_mapping` field is not inherited, but the " "contained fields are inherited individually." msgstr "" #: ../../c-api/typeobj.rst:876 msgid "" "An optional pointer to a function that implements the built-in function :" "func:`hash`." msgstr "" #: ../../c-api/typeobj.rst:879 msgid "The signature is the same as for :c:func:`PyObject_Hash`::" msgstr "" #: ../../c-api/typeobj.rst:883 msgid "" "The value ``-1`` should not be returned as a normal return value; when an " "error occurs during the computation of the hash value, the function should " "set an exception and return ``-1``." msgstr "" #: ../../c-api/typeobj.rst:887 msgid "" "When this field is not set (*and* :c:member:`~PyTypeObject.tp_richcompare` " "is not set), an attempt to take the hash of the object raises :exc:" "`TypeError`. This is the same as setting it to :c:func:" "`PyObject_HashNotImplemented`." msgstr "" #: ../../c-api/typeobj.rst:891 msgid "" "This field can be set explicitly to :c:func:`PyObject_HashNotImplemented` to " "block inheritance of the hash method from a parent type. This is interpreted " "as the equivalent of ``__hash__ = None`` at the Python level, causing " "``isinstance(o, collections.Hashable)`` to correctly return ``False``. Note " "that the converse is also true - setting ``__hash__ = None`` on a class at " "the Python level will result in the ``tp_hash`` slot being set to :c:func:" "`PyObject_HashNotImplemented`." msgstr "" #: ../../c-api/typeobj.rst:901 ../../c-api/typeobj.rst:1554 msgid "" "Group: :c:member:`~PyTypeObject.tp_hash`, :c:member:`~PyTypeObject." "tp_richcompare`" msgstr "" "群組::c:member:`~PyTypeObject.tp_hash`、:c:member:`~PyTypeObject." "tp_richcompare`" #: ../../c-api/typeobj.rst:903 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_richcompare`: a subtype inherits both of :c:member:`~PyTypeObject." "tp_richcompare` and :c:member:`~PyTypeObject.tp_hash`, when the subtype's :c:" "member:`~PyTypeObject.tp_richcompare` and :c:member:`~PyTypeObject.tp_hash` " "are both ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:911 msgid "" "An optional pointer to a function that implements calling the object. This " "should be ``NULL`` if the object is not callable. The signature is the same " "as for :c:func:`PyObject_Call`::" msgstr "" #: ../../c-api/typeobj.rst:924 msgid "" "An optional pointer to a function that implements the built-in operation :" "func:`str`. (Note that :class:`str` is a type now, and :func:`str` calls " "the constructor for that type. This constructor calls :c:func:" "`PyObject_Str` to do the actual work, and :c:func:`PyObject_Str` will call " "this handler.)" msgstr "" #: ../../c-api/typeobj.rst:929 msgid "The signature is the same as for :c:func:`PyObject_Str`::" msgstr "" #: ../../c-api/typeobj.rst:933 msgid "" "The function must return a string or a Unicode object. It should be a " "\"friendly\" string representation of the object, as this is the " "representation that will be used, among other things, by the :func:`print` " "function." msgstr "" #: ../../c-api/typeobj.rst:943 msgid "" "When this field is not set, :c:func:`PyObject_Repr` is called to return a " "string representation." msgstr "" #: ../../c-api/typeobj.rst:949 msgid "An optional pointer to the get-attribute function." msgstr "" #: ../../c-api/typeobj.rst:951 msgid "The signature is the same as for :c:func:`PyObject_GetAttr`::" msgstr "" #: ../../c-api/typeobj.rst:955 msgid "" "It is usually convenient to set this field to :c:func:" "`PyObject_GenericGetAttr`, which implements the normal way of looking for " "object attributes." msgstr "" #: ../../c-api/typeobj.rst:962 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_getattr`: a subtype inherits both :c:member:`~PyTypeObject.tp_getattr` " "and :c:member:`~PyTypeObject.tp_getattro` from its base type when the " "subtype's :c:member:`~PyTypeObject.tp_getattr` and :c:member:`~PyTypeObject." "tp_getattro` are both ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:968 msgid ":c:data:`PyBaseObject_Type` uses :c:func:`PyObject_GenericGetAttr`." msgstr "" #: ../../c-api/typeobj.rst:975 msgid "The signature is the same as for :c:func:`PyObject_SetAttr`::" msgstr "" #: ../../c-api/typeobj.rst:979 msgid "" "In addition, setting *value* to ``NULL`` to delete an attribute must be " "supported. It is usually convenient to set this field to :c:func:" "`PyObject_GenericSetAttr`, which implements the normal way of setting object " "attributes." msgstr "" #: ../../c-api/typeobj.rst:988 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_setattr`: a subtype inherits both :c:member:`~PyTypeObject.tp_setattr` " "and :c:member:`~PyTypeObject.tp_setattro` from its base type when the " "subtype's :c:member:`~PyTypeObject.tp_setattr` and :c:member:`~PyTypeObject." "tp_setattro` are both ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:994 msgid ":c:data:`PyBaseObject_Type` uses :c:func:`PyObject_GenericSetAttr`." msgstr "" #: ../../c-api/typeobj.rst:999 msgid "" "Pointer to an additional structure that contains fields relevant only to " "objects which implement the buffer interface. These fields are documented " "in :ref:`buffer-structs`." msgstr "" #: ../../c-api/typeobj.rst:1005 msgid "" "The :c:member:`~PyTypeObject.tp_as_buffer` field is not inherited, but the " "contained fields are inherited individually." msgstr "" #: ../../c-api/typeobj.rst:1011 msgid "" "This field is a bit mask of various flags. Some flags indicate variant " "semantics for certain situations; others are used to indicate that certain " "fields in the type object (or in the extension structures referenced via :c:" "member:`~PyTypeObject.tp_as_number`, :c:member:`~PyTypeObject." "tp_as_sequence`, :c:member:`~PyTypeObject.tp_as_mapping`, and :c:member:" "`~PyTypeObject.tp_as_buffer`) that were historically not always present are " "valid; if such a flag bit is clear, the type fields it guards must not be " "accessed and must be considered to have a zero or ``NULL`` value instead." msgstr "" #: ../../c-api/typeobj.rst:1021 msgid "" "Inheritance of this field is complicated. Most flag bits are inherited " "individually, i.e. if the base type has a flag bit set, the subtype inherits " "this flag bit. The flag bits that pertain to extension structures are " "strictly inherited if the extension structure is inherited, i.e. the base " "type's value of the flag bit is copied into the subtype together with a " "pointer to the extension structure. The :c:macro:`Py_TPFLAGS_HAVE_GC` flag " "bit is inherited together with the :c:member:`~PyTypeObject.tp_traverse` " "and :c:member:`~PyTypeObject.tp_clear` fields, i.e. if the :c:macro:" "`Py_TPFLAGS_HAVE_GC` flag bit is clear in the subtype and the :c:member:" "`~PyTypeObject.tp_traverse` and :c:member:`~PyTypeObject.tp_clear` fields in " "the subtype exist and have ``NULL`` values. .. XXX are most flag bits " "*really* inherited individually?" msgstr "" #: ../../c-api/typeobj.rst:1035 msgid "" ":c:data:`PyBaseObject_Type` uses ``Py_TPFLAGS_DEFAULT | " "Py_TPFLAGS_BASETYPE``." msgstr "" #: ../../c-api/typeobj.rst:1038 msgid "**Bit Masks:**" msgstr "" #: ../../c-api/typeobj.rst:1042 msgid "" "The following bit masks are currently defined; these can be ORed together " "using the ``|`` operator to form the value of the :c:member:`~PyTypeObject." "tp_flags` field. The macro :c:func:`PyType_HasFeature` takes a type and a " "flags value, *tp* and *f*, and checks whether ``tp->tp_flags & f`` is non-" "zero." msgstr "" #: ../../c-api/typeobj.rst:1049 msgid "" "This bit is set when the type object itself is allocated on the heap, for " "example, types created dynamically using :c:func:`PyType_FromSpec`. In this " "case, the :c:member:`~PyObject.ob_type` field of its instances is considered " "a reference to the type, and the type object is INCREF'ed when a new " "instance is created, and DECREF'ed when an instance is destroyed (this does " "not apply to instances of subtypes; only the type referenced by the " "instance's ob_type gets INCREF'ed or DECREF'ed)." msgstr "" #: ../../c-api/typeobj.rst:1059 ../../c-api/typeobj.rst:1070 #: ../../c-api/typeobj.rst:1080 ../../c-api/typeobj.rst:1090 #: ../../c-api/typeobj.rst:1122 msgid "???" msgstr "" #: ../../c-api/typeobj.rst:1064 msgid "" "This bit is set when the type can be used as the base type of another type. " "If this bit is clear, the type cannot be subtyped (similar to a \"final\" " "class in Java)." msgstr "" #: ../../c-api/typeobj.rst:1075 msgid "" "This bit is set when the type object has been fully initialized by :c:func:" "`PyType_Ready`." msgstr "" #: ../../c-api/typeobj.rst:1085 msgid "" "This bit is set while :c:func:`PyType_Ready` is in the process of " "initializing the type object." msgstr "" #: ../../c-api/typeobj.rst:1095 msgid "" "This bit is set when the object supports garbage collection. If this bit is " "set, instances must be created using :c:macro:`PyObject_GC_New` and " "destroyed using :c:func:`PyObject_GC_Del`. More information in section :ref:" "`supporting-cycle-detection`. This bit also implies that the GC-related " "fields :c:member:`~PyTypeObject.tp_traverse` and :c:member:`~PyTypeObject." "tp_clear` are present in the type object." msgstr "" #: ../../c-api/typeobj.rst:1104 ../../c-api/typeobj.rst:1425 #: ../../c-api/typeobj.rst:1493 msgid "" "Group: :c:macro:`Py_TPFLAGS_HAVE_GC`, :c:member:`~PyTypeObject." "tp_traverse`, :c:member:`~PyTypeObject.tp_clear`" msgstr "" #: ../../c-api/typeobj.rst:1106 msgid "" "The :c:macro:`Py_TPFLAGS_HAVE_GC` flag bit is inherited together with the :c:" "member:`~PyTypeObject.tp_traverse` and :c:member:`~PyTypeObject.tp_clear` " "fields, i.e. if the :c:macro:`Py_TPFLAGS_HAVE_GC` flag bit is clear in the " "subtype and the :c:member:`~PyTypeObject.tp_traverse` and :c:member:" "`~PyTypeObject.tp_clear` fields in the subtype exist and have ``NULL`` " "values." msgstr "" #: ../../c-api/typeobj.rst:1116 msgid "" "This is a bitmask of all the bits that pertain to the existence of certain " "fields in the type object and its extension structures. Currently, it " "includes the following bits: :c:macro:`Py_TPFLAGS_HAVE_STACKLESS_EXTENSION`." msgstr "" #: ../../c-api/typeobj.rst:1127 msgid "This bit indicates that objects behave like unbound methods." msgstr "" #: ../../c-api/typeobj.rst:1129 msgid "If this flag is set for ``type(meth)``, then:" msgstr "" #: ../../c-api/typeobj.rst:1131 msgid "" "``meth.__get__(obj, cls)(*args, **kwds)`` (with ``obj`` not None) must be " "equivalent to ``meth(obj, *args, **kwds)``." msgstr "" #: ../../c-api/typeobj.rst:1134 msgid "" "``meth.__get__(None, cls)(*args, **kwds)`` must be equivalent to " "``meth(*args, **kwds)``." msgstr "" #: ../../c-api/typeobj.rst:1137 msgid "" "This flag enables an optimization for typical method calls like ``obj." "meth()``: it avoids creating a temporary \"bound method\" object for ``obj." "meth``." msgstr "" #: ../../c-api/typeobj.rst:1145 msgid "" "This flag is never inherited by types without the :c:macro:" "`Py_TPFLAGS_IMMUTABLETYPE` flag set. For extension types, it is inherited " "whenever :c:member:`~PyTypeObject.tp_descr_get` is inherited." msgstr "" #: ../../c-api/typeobj.rst:1151 msgid "" "This bit indicates that instances of the class have a ``__dict__`` " "attribute, and that the space for the dictionary is managed by the VM." msgstr "" #: ../../c-api/typeobj.rst:1154 msgid "If this flag is set, :c:macro:`Py_TPFLAGS_HAVE_GC` should also be set." msgstr "" #: ../../c-api/typeobj.rst:1160 msgid "" "This flag is inherited unless the :c:member:`~PyTypeObject.tp_dictoffset` " "field is set in a superclass." msgstr "" #: ../../c-api/typeobj.rst:1166 msgid "" "This bit indicates that instances of the class should be weakly " "referenceable." msgstr "" #: ../../c-api/typeobj.rst:1173 msgid "" "This flag is inherited unless the :c:member:`~PyTypeObject." "tp_weaklistoffset` field is set in a superclass." msgstr "" #: ../../c-api/typeobj.rst:1179 msgid "" "Only usable with variable-size types, i.e. ones with non-zero :c:member:" "`~PyTypeObject.tp_itemsize`." msgstr "" #: ../../c-api/typeobj.rst:1182 msgid "" "Indicates that the variable-sized portion of an instance of this type is at " "the end of the instance's memory area, at an offset of ``Py_TYPE(obj)-" ">tp_basicsize`` (which may be different in each subclass)." msgstr "" #: ../../c-api/typeobj.rst:1187 msgid "" "When setting this flag, be sure that all superclasses either use this memory " "layout, or are not variable-sized. Python does not check this." msgstr "" #: ../../c-api/typeobj.rst:1195 msgid "This flag is inherited." msgstr "" #: ../../c-api/typeobj.rst:1209 msgid "" "These flags are used by functions such as :c:func:`PyLong_Check` to quickly " "determine if a type is a subclass of a built-in type; such specific checks " "are faster than a generic check, like :c:func:`PyObject_IsInstance`. Custom " "types that inherit from built-ins should have their :c:member:`~PyTypeObject." "tp_flags` set appropriately, or the code that interacts with such types will " "behave differently depending on what kind of check is used." msgstr "" #: ../../c-api/typeobj.rst:1220 msgid "" "This bit is set when the :c:member:`~PyTypeObject.tp_finalize` slot is " "present in the type structure." msgstr "" #: ../../c-api/typeobj.rst:1225 msgid "" "This flag isn't necessary anymore, as the interpreter assumes the :c:member:" "`~PyTypeObject.tp_finalize` slot is always present in the type structure." msgstr "" #: ../../c-api/typeobj.rst:1233 msgid "" "This bit is set when the class implements the :ref:`vectorcall protocol " "`. See :c:member:`~PyTypeObject.tp_vectorcall_offset` for " "details." msgstr "" #: ../../c-api/typeobj.rst:1239 msgid "" "This bit is inherited if :c:member:`~PyTypeObject.tp_call` is also inherited." msgstr "" #: ../../c-api/typeobj.rst:1246 msgid "" "This flag is now removed from a class when the class's :py:meth:`~object." "__call__` method is reassigned." msgstr "" #: ../../c-api/typeobj.rst:1249 msgid "This flag can now be inherited by mutable classes." msgstr "" #: ../../c-api/typeobj.rst:1253 msgid "" "This bit is set for type objects that are immutable: type attributes cannot " "be set nor deleted." msgstr "" #: ../../c-api/typeobj.rst:1255 msgid "" ":c:func:`PyType_Ready` automatically applies this flag to :ref:`static types " "`." msgstr "" #: ../../c-api/typeobj.rst:1260 msgid "This flag is not inherited." msgstr "" #: ../../c-api/typeobj.rst:1266 msgid "" "Disallow creating instances of the type: set :c:member:`~PyTypeObject." "tp_new` to NULL and don't create the ``__new__`` key in the type dictionary." msgstr "" #: ../../c-api/typeobj.rst:1270 msgid "" "The flag must be set before creating the type, not after. For example, it " "must be set before :c:func:`PyType_Ready` is called on the type." msgstr "" #: ../../c-api/typeobj.rst:1273 msgid "" "The flag is set automatically on :ref:`static types ` if :c:" "member:`~PyTypeObject.tp_base` is NULL or ``&PyBaseObject_Type`` and :c:" "member:`~PyTypeObject.tp_new` is NULL." msgstr "" #: ../../c-api/typeobj.rst:1279 msgid "" "This flag is not inherited. However, subclasses will not be instantiable " "unless they provide a non-NULL :c:member:`~PyTypeObject.tp_new` (which is " "only possible via the C API)." msgstr "" #: ../../c-api/typeobj.rst:1286 msgid "" "To disallow instantiating a class directly but allow instantiating its " "subclasses (e.g. for an :term:`abstract base class`), do not use this flag. " "Instead, make :c:member:`~PyTypeObject.tp_new` only succeed for subclasses." msgstr "" #: ../../c-api/typeobj.rst:1297 msgid "" "This bit indicates that instances of the class may match mapping patterns " "when used as the subject of a :keyword:`match` block. It is automatically " "set when registering or subclassing :class:`collections.abc.Mapping`, and " "unset when registering :class:`collections.abc.Sequence`." msgstr "" #: ../../c-api/typeobj.rst:1304 ../../c-api/typeobj.rst:1326 msgid "" ":c:macro:`Py_TPFLAGS_MAPPING` and :c:macro:`Py_TPFLAGS_SEQUENCE` are " "mutually exclusive; it is an error to enable both flags simultaneously." msgstr "" #: ../../c-api/typeobj.rst:1309 msgid "" "This flag is inherited by types that do not already set :c:macro:" "`Py_TPFLAGS_SEQUENCE`." msgstr "" #: ../../c-api/typeobj.rst:1312 ../../c-api/typeobj.rst:1334 msgid ":pep:`634` -- Structural Pattern Matching: Specification" msgstr "" #: ../../c-api/typeobj.rst:1319 msgid "" "This bit indicates that instances of the class may match sequence patterns " "when used as the subject of a :keyword:`match` block. It is automatically " "set when registering or subclassing :class:`collections.abc.Sequence`, and " "unset when registering :class:`collections.abc.Mapping`." msgstr "" #: ../../c-api/typeobj.rst:1331 msgid "" "This flag is inherited by types that do not already set :c:macro:" "`Py_TPFLAGS_MAPPING`." msgstr "" #: ../../c-api/typeobj.rst:1341 msgid "" "Internal. Do not set or unset this flag. To indicate that a class has " "changed call :c:func:`PyType_Modified`" msgstr "" #: ../../c-api/typeobj.rst:1345 msgid "" "This flag is present in header files, but is an internal feature and should " "not be used. It will be removed in a future version of CPython" msgstr "" #: ../../c-api/typeobj.rst:1351 msgid "" "An optional pointer to a NUL-terminated C string giving the docstring for " "this type object. This is exposed as the :attr:`__doc__` attribute on the " "type and instances of the type." msgstr "" #: ../../c-api/typeobj.rst:1357 msgid "This field is *not* inherited by subtypes." msgstr "" #: ../../c-api/typeobj.rst:1362 msgid "" "An optional pointer to a traversal function for the garbage collector. This " "is only used if the :c:macro:`Py_TPFLAGS_HAVE_GC` flag bit is set. The " "signature is::" msgstr "" #: ../../c-api/typeobj.rst:1367 ../../c-api/typeobj.rst:1488 msgid "" "More information about Python's garbage collection scheme can be found in " "section :ref:`supporting-cycle-detection`." msgstr "" #: ../../c-api/typeobj.rst:1370 msgid "" "The :c:member:`~PyTypeObject.tp_traverse` pointer is used by the garbage " "collector to detect reference cycles. A typical implementation of a :c:" "member:`~PyTypeObject.tp_traverse` function simply calls :c:func:`Py_VISIT` " "on each of the instance's members that are Python objects that the instance " "owns. For example, this is function :c:func:`!local_traverse` from the :mod:" "`!_thread` extension module::" msgstr "" #: ../../c-api/typeobj.rst:1385 msgid "" "Note that :c:func:`Py_VISIT` is called only on those members that can " "participate in reference cycles. Although there is also a ``self->key`` " "member, it can only be ``NULL`` or a Python string and therefore cannot be " "part of a reference cycle." msgstr "" #: ../../c-api/typeobj.rst:1389 msgid "" "On the other hand, even if you know a member can never be part of a cycle, " "as a debugging aid you may want to visit it anyway just so the :mod:`gc` " "module's :func:`~gc.get_referents` function will include it." msgstr "" #: ../../c-api/typeobj.rst:1394 msgid "" "When implementing :c:member:`~PyTypeObject.tp_traverse`, only the members " "that the instance *owns* (by having :term:`strong references ` to them) must be visited. For instance, if an object supports " "weak references via the :c:member:`~PyTypeObject.tp_weaklist` slot, the " "pointer supporting the linked list (what *tp_weaklist* points to) must " "**not** be visited as the instance does not directly own the weak references " "to itself (the weakreference list is there to support the weak reference " "machinery, but the instance has no strong reference to the elements inside " "it, as they are allowed to be removed even if the instance is still alive)." msgstr "" #: ../../c-api/typeobj.rst:1405 msgid "" "Note that :c:func:`Py_VISIT` requires the *visit* and *arg* parameters to :c:" "func:`local_traverse` to have these specific names; don't name them just " "anything." msgstr "" #: ../../c-api/typeobj.rst:1409 msgid "" "Instances of :ref:`heap-allocated types ` hold a reference to " "their type. Their traversal function must therefore either visit :c:func:" "`Py_TYPE(self) `, or delegate this responsibility by calling " "``tp_traverse`` of another heap-allocated type (such as a heap-allocated " "superclass). If they do not, the type object may not be garbage-collected." msgstr "" #: ../../c-api/typeobj.rst:1418 msgid "" "Heap-allocated types are expected to visit ``Py_TYPE(self)`` in " "``tp_traverse``. In earlier versions of Python, due to `bug 40217 `_, doing this may lead to crashes in subclasses." msgstr "" #: ../../c-api/typeobj.rst:1427 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_clear` and the :c:macro:`Py_TPFLAGS_HAVE_GC` flag bit: the flag bit, :c:" "member:`~PyTypeObject.tp_traverse`, and :c:member:`~PyTypeObject.tp_clear` " "are all inherited from the base type if they are all zero in the subtype." msgstr "" #: ../../c-api/typeobj.rst:1435 msgid "" "An optional pointer to a clear function for the garbage collector. This is " "only used if the :c:macro:`Py_TPFLAGS_HAVE_GC` flag bit is set. The " "signature is::" msgstr "" #: ../../c-api/typeobj.rst:1440 msgid "" "The :c:member:`~PyTypeObject.tp_clear` member function is used to break " "reference cycles in cyclic garbage detected by the garbage collector. Taken " "together, all :c:member:`~PyTypeObject.tp_clear` functions in the system " "must combine to break all reference cycles. This is subtle, and if in any " "doubt supply a :c:member:`~PyTypeObject.tp_clear` function. For example, " "the tuple type does not implement a :c:member:`~PyTypeObject.tp_clear` " "function, because it's possible to prove that no reference cycle can be " "composed entirely of tuples. Therefore the :c:member:`~PyTypeObject." "tp_clear` functions of other types must be sufficient to break any cycle " "containing a tuple. This isn't immediately obvious, and there's rarely a " "good reason to avoid implementing :c:member:`~PyTypeObject.tp_clear`." msgstr "" #: ../../c-api/typeobj.rst:1450 msgid "" "Implementations of :c:member:`~PyTypeObject.tp_clear` should drop the " "instance's references to those of its members that may be Python objects, " "and set its pointers to those members to ``NULL``, as in the following " "example::" msgstr "" #: ../../c-api/typeobj.rst:1464 msgid "" "The :c:func:`Py_CLEAR` macro should be used, because clearing references is " "delicate: the reference to the contained object must not be released (via :" "c:func:`Py_DECREF`) until after the pointer to the contained object is set " "to ``NULL``. This is because releasing the reference may cause the " "contained object to become trash, triggering a chain of reclamation activity " "that may include invoking arbitrary Python code (due to finalizers, or " "weakref callbacks, associated with the contained object). If it's possible " "for such code to reference *self* again, it's important that the pointer to " "the contained object be ``NULL`` at that time, so that *self* knows the " "contained object can no longer be used. The :c:func:`Py_CLEAR` macro " "performs the operations in a safe order." msgstr "" #: ../../c-api/typeobj.rst:1476 msgid "" "Note that :c:member:`~PyTypeObject.tp_clear` is not *always* called before " "an instance is deallocated. For example, when reference counting is enough " "to determine that an object is no longer used, the cyclic garbage collector " "is not involved and :c:member:`~PyTypeObject.tp_dealloc` is called directly." msgstr "" #: ../../c-api/typeobj.rst:1482 msgid "" "Because the goal of :c:member:`~PyTypeObject.tp_clear` functions is to break " "reference cycles, it's not necessary to clear contained objects like Python " "strings or Python integers, which can't participate in reference cycles. On " "the other hand, it may be convenient to clear all contained Python objects, " "and write the type's :c:member:`~PyTypeObject.tp_dealloc` function to " "invoke :c:member:`~PyTypeObject.tp_clear`." msgstr "" #: ../../c-api/typeobj.rst:1495 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_traverse` and the :c:macro:`Py_TPFLAGS_HAVE_GC` flag bit: the flag bit, :" "c:member:`~PyTypeObject.tp_traverse`, and :c:member:`~PyTypeObject.tp_clear` " "are all inherited from the base type if they are all zero in the subtype." msgstr "" #: ../../c-api/typeobj.rst:1503 msgid "" "An optional pointer to the rich comparison function, whose signature is::" msgstr "" #: ../../c-api/typeobj.rst:1507 msgid "" "The first parameter is guaranteed to be an instance of the type that is " "defined by :c:type:`PyTypeObject`." msgstr "" #: ../../c-api/typeobj.rst:1510 msgid "" "The function should return the result of the comparison (usually ``Py_True`` " "or ``Py_False``). If the comparison is undefined, it must return " "``Py_NotImplemented``, if another error occurred it must return ``NULL`` and " "set an exception condition." msgstr "" #: ../../c-api/typeobj.rst:1515 msgid "" "The following constants are defined to be used as the third argument for :c:" "member:`~PyTypeObject.tp_richcompare` and for :c:func:`PyObject_RichCompare`:" msgstr "" #: ../../c-api/typeobj.rst:1521 msgid "Constant" msgstr "常數" #: ../../c-api/typeobj.rst:1521 msgid "Comparison" msgstr "" #: ../../c-api/typeobj.rst:1523 msgid "``<``" msgstr "``<``" #: ../../c-api/typeobj.rst:1525 msgid "``<=``" msgstr "``<=``" #: ../../c-api/typeobj.rst:1527 msgid "``==``" msgstr "``==``" #: ../../c-api/typeobj.rst:1529 msgid "``!=``" msgstr "``!=``" #: ../../c-api/typeobj.rst:1531 msgid "``>``" msgstr "``>``" #: ../../c-api/typeobj.rst:1533 msgid "``>=``" msgstr "``>=``" #: ../../c-api/typeobj.rst:1536 msgid "" "The following macro is defined to ease writing rich comparison functions:" msgstr "" #: ../../c-api/typeobj.rst:1540 msgid "" "Return ``Py_True`` or ``Py_False`` from the function, depending on the " "result of a comparison. VAL_A and VAL_B must be orderable by C comparison " "operators (for example, they may be C ints or floats). The third argument " "specifies the requested operation, as for :c:func:`PyObject_RichCompare`." msgstr "" #: ../../c-api/typeobj.rst:1546 msgid "The returned value is a new :term:`strong reference`." msgstr "" #: ../../c-api/typeobj.rst:1548 msgid "On error, sets an exception and returns ``NULL`` from the function." msgstr "" #: ../../c-api/typeobj.rst:1556 msgid "" "This field is inherited by subtypes together with :c:member:`~PyTypeObject." "tp_hash`: a subtype inherits :c:member:`~PyTypeObject.tp_richcompare` and :c:" "member:`~PyTypeObject.tp_hash` when the subtype's :c:member:`~PyTypeObject." "tp_richcompare` and :c:member:`~PyTypeObject.tp_hash` are both ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:1563 msgid "" ":c:data:`PyBaseObject_Type` provides a :c:member:`~PyTypeObject." "tp_richcompare` implementation, which may be inherited. However, if only :c:" "member:`~PyTypeObject.tp_hash` is defined, not even the inherited function " "is used and instances of the type will not be able to participate in any " "comparisons." msgstr "" #: ../../c-api/typeobj.rst:1572 msgid "" "While this field is still supported, :c:macro:`Py_TPFLAGS_MANAGED_WEAKREF` " "should be used instead, if at all possible." msgstr "" #: ../../c-api/typeobj.rst:1575 msgid "" "If the instances of this type are weakly referenceable, this field is " "greater than zero and contains the offset in the instance structure of the " "weak reference list head (ignoring the GC header, if present); this offset " "is used by :c:func:`PyObject_ClearWeakRefs` and the ``PyWeakref_*`` " "functions. The instance structure needs to include a field of type :c:expr:" "`PyObject*` which is initialized to ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:1582 msgid "" "Do not confuse this field with :c:member:`~PyTypeObject.tp_weaklist`; that " "is the list head for weak references to the type object itself." msgstr "" #: ../../c-api/typeobj.rst:1585 msgid "" "It is an error to set both the :c:macro:`Py_TPFLAGS_MANAGED_WEAKREF` bit " "and :c:member:`~PyTypeObject.tp_weaklist`." msgstr "" #: ../../c-api/typeobj.rst:1590 msgid "" "This field is inherited by subtypes, but see the rules listed below. A " "subtype may override this offset; this means that the subtype uses a " "different weak reference list head than the base type. Since the list head " "is always found via :c:member:`~PyTypeObject.tp_weaklistoffset`, this should " "not be a problem." msgstr "" #: ../../c-api/typeobj.rst:1597 msgid "" "If the :c:macro:`Py_TPFLAGS_MANAGED_WEAKREF` bit is set in the :c:member:" "`~PyTypeObject.tp_dict` field, then :c:member:`~PyTypeObject." "tp_weaklistoffset` will be set to a negative value, to indicate that it is " "unsafe to use this field." msgstr "" #: ../../c-api/typeobj.rst:1605 msgid "" "An optional pointer to a function that returns an :term:`iterator` for the " "object. Its presence normally signals that the instances of this type are :" "term:`iterable` (although sequences may be iterable without this function)." msgstr "" #: ../../c-api/typeobj.rst:1609 msgid "This function has the same signature as :c:func:`PyObject_GetIter`::" msgstr "" #: ../../c-api/typeobj.rst:1620 msgid "" "An optional pointer to a function that returns the next item in an :term:" "`iterator`. The signature is::" msgstr "" #: ../../c-api/typeobj.rst:1625 msgid "" "When the iterator is exhausted, it must return ``NULL``; a :exc:" "`StopIteration` exception may or may not be set. When another error occurs, " "it must return ``NULL`` too. Its presence signals that the instances of " "this type are iterators." msgstr "" #: ../../c-api/typeobj.rst:1630 msgid "" "Iterator types should also define the :c:member:`~PyTypeObject.tp_iter` " "function, and that function should return the iterator instance itself (not " "a new iterator instance)." msgstr "" #: ../../c-api/typeobj.rst:1634 msgid "This function has the same signature as :c:func:`PyIter_Next`." msgstr "" #: ../../c-api/typeobj.rst:1643 msgid "" "An optional pointer to a static ``NULL``-terminated array of :c:type:" "`PyMethodDef` structures, declaring regular methods of this type." msgstr "" #: ../../c-api/typeobj.rst:1646 msgid "" "For each entry in the array, an entry is added to the type's dictionary " "(see :c:member:`~PyTypeObject.tp_dict` below) containing a method descriptor." msgstr "" #: ../../c-api/typeobj.rst:1651 msgid "" "This field is not inherited by subtypes (methods are inherited through a " "different mechanism)." msgstr "" #: ../../c-api/typeobj.rst:1657 msgid "" "An optional pointer to a static ``NULL``-terminated array of :c:type:" "`PyMemberDef` structures, declaring regular data members (fields or slots) " "of instances of this type." msgstr "" #: ../../c-api/typeobj.rst:1661 msgid "" "For each entry in the array, an entry is added to the type's dictionary " "(see :c:member:`~PyTypeObject.tp_dict` below) containing a member descriptor." msgstr "" #: ../../c-api/typeobj.rst:1666 msgid "" "This field is not inherited by subtypes (members are inherited through a " "different mechanism)." msgstr "" #: ../../c-api/typeobj.rst:1672 msgid "" "An optional pointer to a static ``NULL``-terminated array of :c:type:" "`PyGetSetDef` structures, declaring computed attributes of instances of this " "type." msgstr "" #: ../../c-api/typeobj.rst:1675 msgid "" "For each entry in the array, an entry is added to the type's dictionary " "(see :c:member:`~PyTypeObject.tp_dict` below) containing a getset descriptor." msgstr "" #: ../../c-api/typeobj.rst:1680 msgid "" "This field is not inherited by subtypes (computed attributes are inherited " "through a different mechanism)." msgstr "" #: ../../c-api/typeobj.rst:1686 msgid "" "An optional pointer to a base type from which type properties are " "inherited. At this level, only single inheritance is supported; multiple " "inheritance require dynamically creating a type object by calling the " "metatype." msgstr "" #: ../../c-api/typeobj.rst:1694 msgid "" "Slot initialization is subject to the rules of initializing globals. C99 " "requires the initializers to be \"address constants\". Function designators " "like :c:func:`PyType_GenericNew`, with implicit conversion to a pointer, are " "valid C99 address constants." msgstr "" #: ../../c-api/typeobj.rst:1699 msgid "" "However, the unary '&' operator applied to a non-static variable like :c:" "data:`PyBaseObject_Type` is not required to produce an address constant. " "Compilers may support this (gcc does), MSVC does not. Both compilers are " "strictly standard conforming in this particular behavior." msgstr "" #: ../../c-api/typeobj.rst:1705 msgid "" "Consequently, :c:member:`~PyTypeObject.tp_base` should be set in the " "extension module's init function." msgstr "" #: ../../c-api/typeobj.rst:1710 msgid "This field is not inherited by subtypes (obviously)." msgstr "" #: ../../c-api/typeobj.rst:1714 msgid "" "This field defaults to ``&PyBaseObject_Type`` (which to Python programmers " "is known as the type :class:`object`)." msgstr "" #: ../../c-api/typeobj.rst:1720 msgid "The type's dictionary is stored here by :c:func:`PyType_Ready`." msgstr "" #: ../../c-api/typeobj.rst:1722 msgid "" "This field should normally be initialized to ``NULL`` before PyType_Ready is " "called; it may also be initialized to a dictionary containing initial " "attributes for the type. Once :c:func:`PyType_Ready` has initialized the " "type, extra attributes for the type may be added to this dictionary only if " "they don't correspond to overloaded operations (like :meth:`~object." "__add__`). Once initialization for the type has finished, this field should " "be treated as read-only." msgstr "" #: ../../c-api/typeobj.rst:1730 msgid "" "Some types may not store their dictionary in this slot. Use :c:func:" "`PyType_GetDict` to retreive the dictionary for an arbitrary type." msgstr "" #: ../../c-api/typeobj.rst:1736 msgid "" "Internals detail: For static builtin types, this is always ``NULL``. " "Instead, the dict for such types is stored on ``PyInterpreterState``. Use :c:" "func:`PyType_GetDict` to get the dict for an arbitrary type." msgstr "" #: ../../c-api/typeobj.rst:1742 msgid "" "This field is not inherited by subtypes (though the attributes defined in " "here are inherited through a different mechanism)." msgstr "" #: ../../c-api/typeobj.rst:1747 msgid "" "If this field is ``NULL``, :c:func:`PyType_Ready` will assign a new " "dictionary to it." msgstr "" #: ../../c-api/typeobj.rst:1752 msgid "" "It is not safe to use :c:func:`PyDict_SetItem` on or otherwise modify :c:" "member:`~PyTypeObject.tp_dict` with the dictionary C-API." msgstr "" #: ../../c-api/typeobj.rst:1758 msgid "An optional pointer to a \"descriptor get\" function." msgstr "" #: ../../c-api/typeobj.rst:1760 ../../c-api/typeobj.rst:1776 #: ../../c-api/typeobj.rst:1840 ../../c-api/typeobj.rst:1870 #: ../../c-api/typeobj.rst:1894 msgid "The function signature is::" msgstr "" #: ../../c-api/typeobj.rst:1773 msgid "" "An optional pointer to a function for setting and deleting a descriptor's " "value." msgstr "" #: ../../c-api/typeobj.rst:1780 msgid "The *value* argument is set to ``NULL`` to delete the value." msgstr "" #: ../../c-api/typeobj.rst:1791 msgid "" "While this field is still supported, :c:macro:`Py_TPFLAGS_MANAGED_DICT` " "should be used instead, if at all possible." msgstr "" #: ../../c-api/typeobj.rst:1794 msgid "" "If the instances of this type have a dictionary containing instance " "variables, this field is non-zero and contains the offset in the instances " "of the type of the instance variable dictionary; this offset is used by :c:" "func:`PyObject_GenericGetAttr`." msgstr "" #: ../../c-api/typeobj.rst:1799 msgid "" "Do not confuse this field with :c:member:`~PyTypeObject.tp_dict`; that is " "the dictionary for attributes of the type object itself." msgstr "" #: ../../c-api/typeobj.rst:1802 msgid "" "The value specifies the offset of the dictionary from the start of the " "instance structure." msgstr "" #: ../../c-api/typeobj.rst:1804 msgid "" "The :c:member:`~PyTypeObject.tp_dictoffset` should be regarded as write-" "only. To get the pointer to the dictionary call :c:func:" "`PyObject_GenericGetDict`. Calling :c:func:`PyObject_GenericGetDict` may " "need to allocate memory for the dictionary, so it is may be more efficient " "to call :c:func:`PyObject_GetAttr` when accessing an attribute on the object." msgstr "" #: ../../c-api/typeobj.rst:1810 msgid "" "It is an error to set both the :c:macro:`Py_TPFLAGS_MANAGED_WEAKREF` bit " "and :c:member:`~PyTypeObject.tp_dictoffset`." msgstr "" #: ../../c-api/typeobj.rst:1815 msgid "" "This field is inherited by subtypes. A subtype should not override this " "offset; doing so could be unsafe, if C code tries to access the dictionary " "at the previous offset. To properly support inheritance, use :c:macro:" "`Py_TPFLAGS_MANAGED_DICT`." msgstr "" #: ../../c-api/typeobj.rst:1822 msgid "" "This slot has no default. For :ref:`static types `, if the " "field is ``NULL`` then no :attr:`~object.__dict__` gets created for " "instances." msgstr "" #: ../../c-api/typeobj.rst:1825 msgid "" "If the :c:macro:`Py_TPFLAGS_MANAGED_DICT` bit is set in the :c:member:" "`~PyTypeObject.tp_dict` field, then :c:member:`~PyTypeObject.tp_dictoffset` " "will be set to ``-1``, to indicate that it is unsafe to use this field." msgstr "" #: ../../c-api/typeobj.rst:1833 msgid "An optional pointer to an instance initialization function." msgstr "" #: ../../c-api/typeobj.rst:1835 msgid "" "This function corresponds to the :meth:`~object.__init__` method of " "classes. Like :meth:`!__init__`, it is possible to create an instance " "without calling :meth:`!__init__`, and it is possible to reinitialize an " "instance by calling its :meth:`!__init__` method again." msgstr "" #: ../../c-api/typeobj.rst:1844 msgid "" "The self argument is the instance to be initialized; the *args* and *kwds* " "arguments represent positional and keyword arguments of the call to :meth:" "`~object.__init__`." msgstr "" #: ../../c-api/typeobj.rst:1848 msgid "" "The :c:member:`~PyTypeObject.tp_init` function, if not ``NULL``, is called " "when an instance is created normally by calling its type, after the type's :" "c:member:`~PyTypeObject.tp_new` function has returned an instance of the " "type. If the :c:member:`~PyTypeObject.tp_new` function returns an instance " "of some other type that is not a subtype of the original type, no :c:member:" "`~PyTypeObject.tp_init` function is called; if :c:member:`~PyTypeObject." "tp_new` returns an instance of a subtype of the original type, the " "subtype's :c:member:`~PyTypeObject.tp_init` is called." msgstr "" #: ../../c-api/typeobj.rst:1855 msgid "Returns ``0`` on success, ``-1`` and sets an exception on error." msgstr "" #: ../../c-api/typeobj.rst:1863 msgid "" "For :ref:`static types ` this field does not have a default." msgstr "" #: ../../c-api/typeobj.rst:1868 msgid "An optional pointer to an instance allocation function." msgstr "" #: ../../c-api/typeobj.rst:1876 msgid "" "This field is inherited by static subtypes, but not by dynamic subtypes " "(subtypes created by a class statement)." msgstr "" #: ../../c-api/typeobj.rst:1881 msgid "" "For dynamic subtypes, this field is always set to :c:func:" "`PyType_GenericAlloc`, to force a standard heap allocation strategy." msgstr "" #: ../../c-api/typeobj.rst:1885 msgid "" "For static subtypes, :c:data:`PyBaseObject_Type` uses :c:func:" "`PyType_GenericAlloc`. That is the recommended value for all statically " "defined types." msgstr "" #: ../../c-api/typeobj.rst:1892 msgid "An optional pointer to an instance creation function." msgstr "" #: ../../c-api/typeobj.rst:1898 msgid "" "The *subtype* argument is the type of the object being created; the *args* " "and *kwds* arguments represent positional and keyword arguments of the call " "to the type. Note that *subtype* doesn't have to equal the type whose :c:" "member:`~PyTypeObject.tp_new` function is called; it may be a subtype of " "that type (but not an unrelated type)." msgstr "" #: ../../c-api/typeobj.rst:1904 msgid "" "The :c:member:`~PyTypeObject.tp_new` function should call ``subtype-" ">tp_alloc(subtype, nitems)`` to allocate space for the object, and then do " "only as much further initialization as is absolutely necessary. " "Initialization that can safely be ignored or repeated should be placed in " "the :c:member:`~PyTypeObject.tp_init` handler. A good rule of thumb is that " "for immutable types, all initialization should take place in :c:member:" "`~PyTypeObject.tp_new`, while for mutable types, most initialization should " "be deferred to :c:member:`~PyTypeObject.tp_init`." msgstr "" #: ../../c-api/typeobj.rst:1912 msgid "" "Set the :c:macro:`Py_TPFLAGS_DISALLOW_INSTANTIATION` flag to disallow " "creating instances of the type in Python." msgstr "" #: ../../c-api/typeobj.rst:1917 msgid "" "This field is inherited by subtypes, except it is not inherited by :ref:" "`static types ` whose :c:member:`~PyTypeObject.tp_base` is " "``NULL`` or ``&PyBaseObject_Type``." msgstr "" #: ../../c-api/typeobj.rst:1923 msgid "" "For :ref:`static types ` this field has no default. This means " "if the slot is defined as ``NULL``, the type cannot be called to create new " "instances; presumably there is some other way to create instances, like a " "factory function." msgstr "" #: ../../c-api/typeobj.rst:1931 msgid "" "An optional pointer to an instance deallocation function. Its signature is::" msgstr "" #: ../../c-api/typeobj.rst:1935 msgid "" "An initializer that is compatible with this signature is :c:func:" "`PyObject_Free`." msgstr "" #: ../../c-api/typeobj.rst:1939 msgid "" "This field is inherited by static subtypes, but not by dynamic subtypes " "(subtypes created by a class statement)" msgstr "" #: ../../c-api/typeobj.rst:1944 msgid "" "In dynamic subtypes, this field is set to a deallocator suitable to match :c:" "func:`PyType_GenericAlloc` and the value of the :c:macro:" "`Py_TPFLAGS_HAVE_GC` flag bit." msgstr "" #: ../../c-api/typeobj.rst:1948 msgid "" "For static subtypes, :c:data:`PyBaseObject_Type` uses :c:func:`PyObject_Del`." msgstr "" #: ../../c-api/typeobj.rst:1953 msgid "An optional pointer to a function called by the garbage collector." msgstr "" #: ../../c-api/typeobj.rst:1955 msgid "" "The garbage collector needs to know whether a particular object is " "collectible or not. Normally, it is sufficient to look at the object's " "type's :c:member:`~PyTypeObject.tp_flags` field, and check the :c:macro:" "`Py_TPFLAGS_HAVE_GC` flag bit. But some types have a mixture of statically " "and dynamically allocated instances, and the statically allocated instances " "are not collectible. Such types should define this function; it should " "return ``1`` for a collectible instance, and ``0`` for a non-collectible " "instance. The signature is::" msgstr "" #: ../../c-api/typeobj.rst:1965 msgid "" "(The only example of this are types themselves. The metatype, :c:data:" "`PyType_Type`, defines this function to distinguish between statically and :" "ref:`dynamically allocated types `.)" msgstr "" #: ../../c-api/typeobj.rst:1975 msgid "" "This slot has no default. If this field is ``NULL``, :c:macro:" "`Py_TPFLAGS_HAVE_GC` is used as the functional equivalent." msgstr "" #: ../../c-api/typeobj.rst:1981 msgid "Tuple of base types." msgstr "" #: ../../c-api/typeobj.rst:1983 ../../c-api/typeobj.rst:2007 msgid "" "This field should be set to ``NULL`` and treated as read-only. Python will " "fill it in when the type is :c:func:`initialized `." msgstr "" #: ../../c-api/typeobj.rst:1986 msgid "" "For dynamically created classes, the ``Py_tp_bases`` :c:type:`slot " "` can be used instead of the *bases* argument of :c:func:" "`PyType_FromSpecWithBases`. The argument form is preferred." msgstr "" #: ../../c-api/typeobj.rst:1993 msgid "" "Multiple inheritance does not work well for statically defined types. If you " "set ``tp_bases`` to a tuple, Python will not raise an error, but some slots " "will only be inherited from the first base." msgstr "" #: ../../c-api/typeobj.rst:1999 ../../c-api/typeobj.rst:2022 #: ../../c-api/typeobj.rst:2039 ../../c-api/typeobj.rst:2056 #: ../../c-api/typeobj.rst:2070 msgid "This field is not inherited." msgstr "" #: ../../c-api/typeobj.rst:2004 msgid "" "Tuple containing the expanded set of base types, starting with the type " "itself and ending with :class:`object`, in Method Resolution Order." msgstr "" #: ../../c-api/typeobj.rst:2012 msgid "" "This field is not inherited; it is calculated fresh by :c:func:" "`PyType_Ready`." msgstr "" #: ../../c-api/typeobj.rst:2018 msgid "Unused. Internal use only." msgstr "" #: ../../c-api/typeobj.rst:2027 msgid "" "A collection of subclasses. Internal use only. May be an invalid pointer." msgstr "" #: ../../c-api/typeobj.rst:2029 msgid "" "To get a list of subclasses, call the Python method :py:meth:`~class." "__subclasses__`." msgstr "" #: ../../c-api/typeobj.rst:2034 msgid "" "For some types, this field does not hold a valid :c:expr:`PyObject*`. The " "type was changed to :c:expr:`void*` to indicate this." msgstr "" #: ../../c-api/typeobj.rst:2044 msgid "" "Weak reference list head, for weak references to this type object. Not " "inherited. Internal use only." msgstr "" #: ../../c-api/typeobj.rst:2049 msgid "" "Internals detail: For the static builtin types this is always ``NULL``, even " "if weakrefs are added. Instead, the weakrefs for each are stored on " "``PyInterpreterState``. Use the public C-API or the internal " "``_PyObject_GET_WEAKREFS_LISTPTR()`` macro to avoid the distinction." msgstr "" #: ../../c-api/typeobj.rst:2061 msgid "" "This field is deprecated. Use :c:member:`~PyTypeObject.tp_finalize` instead." msgstr "" #: ../../c-api/typeobj.rst:2066 msgid "Used to index into the method cache. Internal use only." msgstr "" #: ../../c-api/typeobj.rst:2075 msgid "" "An optional pointer to an instance finalization function. Its signature is::" msgstr "" #: ../../c-api/typeobj.rst:2079 msgid "" "If :c:member:`~PyTypeObject.tp_finalize` is set, the interpreter calls it " "once when finalizing an instance. It is called either from the garbage " "collector (if the instance is part of an isolated reference cycle) or just " "before the object is deallocated. Either way, it is guaranteed to be called " "before attempting to break reference cycles, ensuring that it finds the " "object in a sane state." msgstr "" #: ../../c-api/typeobj.rst:2086 msgid "" ":c:member:`~PyTypeObject.tp_finalize` should not mutate the current " "exception status; therefore, a recommended way to write a non-trivial " "finalizer is::" msgstr "" #: ../../c-api/typeobj.rst:2103 msgid "" "Also, note that, in a garbage collected Python, :c:member:`~PyTypeObject." "tp_dealloc` may be called from any Python thread, not just the thread which " "created the object (if the object becomes part of a refcount cycle, that " "cycle might be collected by a garbage collection on any thread). This is " "not a problem for Python API calls, since the thread on which tp_dealloc is " "called will own the Global Interpreter Lock (GIL). However, if the object " "being destroyed in turn destroys objects from some other C or C++ library, " "care should be taken to ensure that destroying those objects on the thread " "which called tp_dealloc will not violate any assumptions of the library." msgstr "" #: ../../c-api/typeobj.rst:2122 msgid "" "Before version 3.8 it was necessary to set the :c:macro:" "`Py_TPFLAGS_HAVE_FINALIZE` flags bit in order for this field to be used. " "This is no longer required." msgstr "" #: ../../c-api/typeobj.rst:2126 msgid "\"Safe object finalization\" (:pep:`442`)" msgstr "" #: ../../c-api/typeobj.rst:2131 msgid "" "Vectorcall function to use for calls of this type object. In other words, it " "is used to implement :ref:`vectorcall ` for ``type.__call__``. " "If ``tp_vectorcall`` is ``NULL``, the default call implementation using :" "meth:`~object.__new__` and :meth:`~object.__init__` is used." msgstr "" #: ../../c-api/typeobj.rst:2139 msgid "This field is never inherited." msgstr "" #: ../../c-api/typeobj.rst:2141 msgid "(the field exists since 3.8 but it's only used since 3.9)" msgstr "" #: ../../c-api/typeobj.rst:2146 msgid "Internal. Do not use." msgstr "" #: ../../c-api/typeobj.rst:2154 msgid "Static Types" msgstr "" #: ../../c-api/typeobj.rst:2156 msgid "" "Traditionally, types defined in C code are *static*, that is, a static :c:" "type:`PyTypeObject` structure is defined directly in code and initialized " "using :c:func:`PyType_Ready`." msgstr "" #: ../../c-api/typeobj.rst:2160 msgid "" "This results in types that are limited relative to types defined in Python:" msgstr "" #: ../../c-api/typeobj.rst:2162 msgid "" "Static types are limited to one base, i.e. they cannot use multiple " "inheritance." msgstr "" #: ../../c-api/typeobj.rst:2164 msgid "" "Static type objects (but not necessarily their instances) are immutable. It " "is not possible to add or modify the type object's attributes from Python." msgstr "" #: ../../c-api/typeobj.rst:2166 msgid "" "Static type objects are shared across :ref:`sub-interpreters `, so they should not include any subinterpreter-" "specific state." msgstr "" #: ../../c-api/typeobj.rst:2170 msgid "" "Also, since :c:type:`PyTypeObject` is only part of the :ref:`Limited API " "` as an opaque struct, any extension modules using static " "types must be compiled for a specific Python minor version." msgstr "" #: ../../c-api/typeobj.rst:2178 msgid "Heap Types" msgstr "" #: ../../c-api/typeobj.rst:2180 msgid "" "An alternative to :ref:`static types ` is *heap-allocated " "types*, or *heap types* for short, which correspond closely to classes " "created by Python's ``class`` statement. Heap types have the :c:macro:" "`Py_TPFLAGS_HEAPTYPE` flag set." msgstr "" #: ../../c-api/typeobj.rst:2185 msgid "" "This is done by filling a :c:type:`PyType_Spec` structure and calling :c:" "func:`PyType_FromSpec`, :c:func:`PyType_FromSpecWithBases`, :c:func:" "`PyType_FromModuleAndSpec`, or :c:func:`PyType_FromMetaclass`." msgstr "" #: ../../c-api/typeobj.rst:2193 msgid "Number Object Structures" msgstr "" #: ../../c-api/typeobj.rst:2200 msgid "" "This structure holds pointers to the functions which an object uses to " "implement the number protocol. Each function is used by the function of " "similar name documented in the :ref:`number` section." msgstr "" #: ../../c-api/typeobj.rst:2206 ../../c-api/typeobj.rst:2530 msgid "Here is the structure definition::" msgstr "" #: ../../c-api/typeobj.rst:2253 msgid "" "Binary and ternary functions must check the type of all their operands, and " "implement the necessary conversions (at least one of the operands is an " "instance of the defined type). If the operation is not defined for the " "given operands, binary and ternary functions must return " "``Py_NotImplemented``, if another error occurred they must return ``NULL`` " "and set an exception." msgstr "" #: ../../c-api/typeobj.rst:2262 msgid "" "The :c:member:`~PyNumberMethods.nb_reserved` field should always be " "``NULL``. It was previously called :c:member:`!nb_long`, and was renamed in " "Python 3.0.1." msgstr "" #: ../../c-api/typeobj.rst:2307 msgid "Mapping Object Structures" msgstr "" #: ../../c-api/typeobj.rst:2314 msgid "" "This structure holds pointers to the functions which an object uses to " "implement the mapping protocol. It has three members:" msgstr "" #: ../../c-api/typeobj.rst:2319 msgid "" "This function is used by :c:func:`PyMapping_Size` and :c:func:" "`PyObject_Size`, and has the same signature. This slot may be set to " "``NULL`` if the object has no defined length." msgstr "" #: ../../c-api/typeobj.rst:2325 msgid "" "This function is used by :c:func:`PyObject_GetItem` and :c:func:" "`PySequence_GetSlice`, and has the same signature as :c:func:`!" "PyObject_GetItem`. This slot must be filled for the :c:func:" "`PyMapping_Check` function to return ``1``, it can be ``NULL`` otherwise." msgstr "" #: ../../c-api/typeobj.rst:2333 msgid "" "This function is used by :c:func:`PyObject_SetItem`, :c:func:" "`PyObject_DelItem`, :c:func:`PySequence_SetSlice` and :c:func:" "`PySequence_DelSlice`. It has the same signature as :c:func:`!" "PyObject_SetItem`, but *v* can also be set to ``NULL`` to delete an item. " "If this slot is ``NULL``, the object does not support item assignment and " "deletion." msgstr "" #: ../../c-api/typeobj.rst:2344 msgid "Sequence Object Structures" msgstr "" #: ../../c-api/typeobj.rst:2351 msgid "" "This structure holds pointers to the functions which an object uses to " "implement the sequence protocol." msgstr "" #: ../../c-api/typeobj.rst:2356 msgid "" "This function is used by :c:func:`PySequence_Size` and :c:func:" "`PyObject_Size`, and has the same signature. It is also used for handling " "negative indices via the :c:member:`~PySequenceMethods.sq_item` and the :c:" "member:`~PySequenceMethods.sq_ass_item` slots." msgstr "" #: ../../c-api/typeobj.rst:2363 msgid "" "This function is used by :c:func:`PySequence_Concat` and has the same " "signature. It is also used by the ``+`` operator, after trying the numeric " "addition via the :c:member:`~PyNumberMethods.nb_add` slot." msgstr "" #: ../../c-api/typeobj.rst:2369 msgid "" "This function is used by :c:func:`PySequence_Repeat` and has the same " "signature. It is also used by the ``*`` operator, after trying numeric " "multiplication via the :c:member:`~PyNumberMethods.nb_multiply` slot." msgstr "" #: ../../c-api/typeobj.rst:2375 msgid "" "This function is used by :c:func:`PySequence_GetItem` and has the same " "signature. It is also used by :c:func:`PyObject_GetItem`, after trying the " "subscription via the :c:member:`~PyMappingMethods.mp_subscript` slot. This " "slot must be filled for the :c:func:`PySequence_Check` function to return " "``1``, it can be ``NULL`` otherwise." msgstr "" #: ../../c-api/typeobj.rst:2381 msgid "" "Negative indexes are handled as follows: if the :c:member:" "`~PySequenceMethods.sq_length` slot is filled, it is called and the sequence " "length is used to compute a positive index which is passed to :c:member:" "`~PySequenceMethods.sq_item`. If :c:member:`!sq_length` is ``NULL``, the " "index is passed as is to the function." msgstr "" #: ../../c-api/typeobj.rst:2388 msgid "" "This function is used by :c:func:`PySequence_SetItem` and has the same " "signature. It is also used by :c:func:`PyObject_SetItem` and :c:func:" "`PyObject_DelItem`, after trying the item assignment and deletion via the :c:" "member:`~PyMappingMethods.mp_ass_subscript` slot. This slot may be left to " "``NULL`` if the object does not support item assignment and deletion." msgstr "" #: ../../c-api/typeobj.rst:2397 msgid "" "This function may be used by :c:func:`PySequence_Contains` and has the same " "signature. This slot may be left to ``NULL``, in this case :c:func:`!" "PySequence_Contains` simply traverses the sequence until it finds a match." msgstr "" #: ../../c-api/typeobj.rst:2404 msgid "" "This function is used by :c:func:`PySequence_InPlaceConcat` and has the same " "signature. It should modify its first operand, and return it. This slot " "may be left to ``NULL``, in this case :c:func:`!PySequence_InPlaceConcat` " "will fall back to :c:func:`PySequence_Concat`. It is also used by the " "augmented assignment ``+=``, after trying numeric in-place addition via the :" "c:member:`~PyNumberMethods.nb_inplace_add` slot." msgstr "" #: ../../c-api/typeobj.rst:2413 msgid "" "This function is used by :c:func:`PySequence_InPlaceRepeat` and has the same " "signature. It should modify its first operand, and return it. This slot " "may be left to ``NULL``, in this case :c:func:`!PySequence_InPlaceRepeat` " "will fall back to :c:func:`PySequence_Repeat`. It is also used by the " "augmented assignment ``*=``, after trying numeric in-place multiplication " "via the :c:member:`~PyNumberMethods.nb_inplace_multiply` slot." msgstr "" #: ../../c-api/typeobj.rst:2424 msgid "Buffer Object Structures" msgstr "" #: ../../c-api/typeobj.rst:2432 msgid "" "This structure holds pointers to the functions required by the :ref:`Buffer " "protocol `. The protocol defines how an exporter object can " "expose its internal data to consumer objects." msgstr "" #: ../../c-api/typeobj.rst:2438 ../../c-api/typeobj.rst:2487 #: ../../c-api/typeobj.rst:2541 ../../c-api/typeobj.rst:2552 #: ../../c-api/typeobj.rst:2564 ../../c-api/typeobj.rst:2574 msgid "The signature of this function is::" msgstr "" #: ../../c-api/typeobj.rst:2442 msgid "" "Handle a request to *exporter* to fill in *view* as specified by *flags*. " "Except for point (3), an implementation of this function MUST take these " "steps:" msgstr "" #: ../../c-api/typeobj.rst:2446 msgid "" "Check if the request can be met. If not, raise :exc:`BufferError`, set :c:" "expr:`view->obj` to ``NULL`` and return ``-1``." msgstr "" #: ../../c-api/typeobj.rst:2449 msgid "Fill in the requested fields." msgstr "" #: ../../c-api/typeobj.rst:2451 msgid "Increment an internal counter for the number of exports." msgstr "" #: ../../c-api/typeobj.rst:2453 msgid "" "Set :c:expr:`view->obj` to *exporter* and increment :c:expr:`view->obj`." msgstr "" #: ../../c-api/typeobj.rst:2455 msgid "Return ``0``." msgstr "回傳 ``0``。" #: ../../c-api/typeobj.rst:2457 msgid "" "If *exporter* is part of a chain or tree of buffer providers, two main " "schemes can be used:" msgstr "" #: ../../c-api/typeobj.rst:2460 msgid "" "Re-export: Each member of the tree acts as the exporting object and sets :c:" "expr:`view->obj` to a new reference to itself." msgstr "" #: ../../c-api/typeobj.rst:2463 msgid "" "Redirect: The buffer request is redirected to the root object of the tree. " "Here, :c:expr:`view->obj` will be a new reference to the root object." msgstr "" #: ../../c-api/typeobj.rst:2467 msgid "" "The individual fields of *view* are described in section :ref:`Buffer " "structure `, the rules how an exporter must react to " "specific requests are in section :ref:`Buffer request types `." msgstr "" #: ../../c-api/typeobj.rst:2472 msgid "" "All memory pointed to in the :c:type:`Py_buffer` structure belongs to the " "exporter and must remain valid until there are no consumers left. :c:member:" "`~Py_buffer.format`, :c:member:`~Py_buffer.shape`, :c:member:`~Py_buffer." "strides`, :c:member:`~Py_buffer.suboffsets` and :c:member:`~Py_buffer." "internal` are read-only for the consumer." msgstr "" #: ../../c-api/typeobj.rst:2479 msgid "" ":c:func:`PyBuffer_FillInfo` provides an easy way of exposing a simple bytes " "buffer while dealing correctly with all request types." msgstr "" #: ../../c-api/typeobj.rst:2482 msgid "" ":c:func:`PyObject_GetBuffer` is the interface for the consumer that wraps " "this function." msgstr "" #: ../../c-api/typeobj.rst:2491 msgid "" "Handle a request to release the resources of the buffer. If no resources " "need to be released, :c:member:`PyBufferProcs.bf_releasebuffer` may be " "``NULL``. Otherwise, a standard implementation of this function will take " "these optional steps:" msgstr "" #: ../../c-api/typeobj.rst:2496 msgid "Decrement an internal counter for the number of exports." msgstr "" #: ../../c-api/typeobj.rst:2498 msgid "If the counter is ``0``, free all memory associated with *view*." msgstr "" #: ../../c-api/typeobj.rst:2500 msgid "" "The exporter MUST use the :c:member:`~Py_buffer.internal` field to keep " "track of buffer-specific resources. This field is guaranteed to remain " "constant, while a consumer MAY pass a copy of the original buffer as the " "*view* argument." msgstr "" #: ../../c-api/typeobj.rst:2506 msgid "" "This function MUST NOT decrement :c:expr:`view->obj`, since that is done " "automatically in :c:func:`PyBuffer_Release` (this scheme is useful for " "breaking reference cycles)." msgstr "" #: ../../c-api/typeobj.rst:2511 msgid "" ":c:func:`PyBuffer_Release` is the interface for the consumer that wraps this " "function." msgstr "" #: ../../c-api/typeobj.rst:2519 msgid "Async Object Structures" msgstr "" #: ../../c-api/typeobj.rst:2527 msgid "" "This structure holds pointers to the functions required to implement :term:" "`awaitable` and :term:`asynchronous iterator` objects." msgstr "" #: ../../c-api/typeobj.rst:2545 msgid "" "The returned object must be an :term:`iterator`, i.e. :c:func:`PyIter_Check` " "must return ``1`` for it." msgstr "" #: ../../c-api/typeobj.rst:2548 msgid "" "This slot may be set to ``NULL`` if an object is not an :term:`awaitable`." msgstr "" #: ../../c-api/typeobj.rst:2556 msgid "" "Must return an :term:`asynchronous iterator` object. See :meth:`~object." "__anext__` for details." msgstr "" #: ../../c-api/typeobj.rst:2559 msgid "" "This slot may be set to ``NULL`` if an object does not implement " "asynchronous iteration protocol." msgstr "" #: ../../c-api/typeobj.rst:2568 msgid "" "Must return an :term:`awaitable` object. See :meth:`~object.__anext__` for " "details. This slot may be set to ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:2578 msgid "" "See :c:func:`PyIter_Send` for details. This slot may be set to ``NULL``." msgstr "" #: ../../c-api/typeobj.rst:2587 msgid "Slot Type typedefs" msgstr "" #: ../../c-api/typeobj.rst:2591 msgid "" "The purpose of this function is to separate memory allocation from memory " "initialization. It should return a pointer to a block of memory of adequate " "length for the instance, suitably aligned, and initialized to zeros, but " "with :c:member:`~PyObject.ob_refcnt` set to ``1`` and :c:member:`~PyObject." "ob_type` set to the type argument. If the type's :c:member:`~PyTypeObject." "tp_itemsize` is non-zero, the object's :c:member:`~PyVarObject.ob_size` " "field should be initialized to *nitems* and the length of the allocated " "memory block should be ``tp_basicsize + nitems*tp_itemsize``, rounded up to " "a multiple of ``sizeof(void*)``; otherwise, *nitems* is not used and the " "length of the block should be :c:member:`~PyTypeObject.tp_basicsize`." msgstr "" #: ../../c-api/typeobj.rst:2601 msgid "" "This function should not do any other instance initialization, not even to " "allocate additional memory; that should be done by :c:member:`~PyTypeObject." "tp_new`." msgstr "" #: ../../c-api/typeobj.rst:2608 msgid "See :c:member:`~PyTypeObject.tp_free`." msgstr "請見 :c:member:`~PyTypeObject.tp_free`。" #: ../../c-api/typeobj.rst:2612 msgid "See :c:member:`~PyTypeObject.tp_new`." msgstr "請見 :c:member:`~PyTypeObject.tp_new`。" #: ../../c-api/typeobj.rst:2616 msgid "See :c:member:`~PyTypeObject.tp_init`." msgstr "請見 :c:member:`~PyTypeObject.tp_init`。" #: ../../c-api/typeobj.rst:2620 msgid "See :c:member:`~PyTypeObject.tp_repr`." msgstr "請見 :c:member:`~PyTypeObject.tp_repr`。" #: ../../c-api/typeobj.rst:2624 ../../c-api/typeobj.rst:2633 msgid "Return the value of the named attribute for the object." msgstr "" #: ../../c-api/typeobj.rst:2628 ../../c-api/typeobj.rst:2639 msgid "" "Set the value of the named attribute for the object. The value argument is " "set to ``NULL`` to delete the attribute." msgstr "" #: ../../c-api/typeobj.rst:2635 msgid "See :c:member:`~PyTypeObject.tp_getattro`." msgstr "請見 :c:member:`~PyTypeObject.tp_getattro`。" #: ../../c-api/typeobj.rst:2642 msgid "See :c:member:`~PyTypeObject.tp_setattro`." msgstr "請見 :c:member:`~PyTypeObject.tp_setattro`。" #: ../../c-api/typeobj.rst:2646 msgid "See :c:member:`~PyTypeObject.tp_descr_get`." msgstr "請見 :c:member:`~PyTypeObject.tp_descr_get`。" #: ../../c-api/typeobj.rst:2650 msgid "See :c:member:`~PyTypeObject.tp_descr_set`." msgstr "請見 :c:member:`~PyTypeObject.tp_descr_set`。" #: ../../c-api/typeobj.rst:2654 msgid "See :c:member:`~PyTypeObject.tp_hash`." msgstr "請見 :c:member:`~PyTypeObject.tp_hash`。" #: ../../c-api/typeobj.rst:2658 msgid "See :c:member:`~PyTypeObject.tp_richcompare`." msgstr "請見 :c:member:`~PyTypeObject.tp_richcompare`。" #: ../../c-api/typeobj.rst:2662 msgid "See :c:member:`~PyTypeObject.tp_iter`." msgstr "請見 :c:member:`~PyTypeObject.tp_iter`。" #: ../../c-api/typeobj.rst:2666 msgid "See :c:member:`~PyTypeObject.tp_iternext`." msgstr "請見 :c:member:`~PyTypeObject.tp_iternext`。" #: ../../c-api/typeobj.rst:2680 msgid "See :c:member:`~PyAsyncMethods.am_send`." msgstr "請見 :c:member:`~PyAsyncMethods.am_send`。" #: ../../c-api/typeobj.rst:2696 msgid "Examples" msgstr "範例" #: ../../c-api/typeobj.rst:2698 msgid "" "The following are simple examples of Python type definitions. They include " "common usage you may encounter. Some demonstrate tricky corner cases. For " "more examples, practical info, and a tutorial, see :ref:`defining-new-types` " "and :ref:`new-types-topics`." msgstr "" #: ../../c-api/typeobj.rst:2703 msgid "A basic :ref:`static type `::" msgstr "" #: ../../c-api/typeobj.rst:2720 msgid "" "You may also find older code (especially in the CPython code base) with a " "more verbose initializer::" msgstr "" #: ../../c-api/typeobj.rst:2764 msgid "A type that supports weakrefs, instance dicts, and hashing::" msgstr "" #: ../../c-api/typeobj.rst:2789 msgid "" "A str subclass that cannot be subclassed and cannot be called to create " "instances (e.g. uses a separate factory func) using :c:macro:" "`Py_TPFLAGS_DISALLOW_INSTANTIATION` flag::" msgstr "" #: ../../c-api/typeobj.rst:2808 msgid "" "The simplest :ref:`static type ` with fixed-length instances::" msgstr "" #: ../../c-api/typeobj.rst:2819 msgid "" "The simplest :ref:`static type ` with variable-length " "instances::" msgstr "" #: ../../c-api/typeobj.rst:809 ../../c-api/typeobj.rst:874 msgid "built-in function" msgstr "built-in function(內建函式)" #: ../../c-api/typeobj.rst:809 msgid "repr" msgstr "repr" #: ../../c-api/typeobj.rst:874 msgid "hash" msgstr "hash(雜湊)"