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#: ../../library/copyreg.rst:2
msgid ":mod:`copyreg` --- Register :mod:`pickle` support functions"
msgstr ":mod:`copyreg` --- 注册配合 :mod:`pickle` 模块使用的函数"

#: ../../library/copyreg.rst:7
msgid "**Source code:** :source:`Lib/copyreg.py`"
msgstr "**源代码:** :source:`Lib/copyreg.py`"

#: ../../library/copyreg.rst:15
msgid ""
"The :mod:`copyreg` module offers a way to define functions used while "
"pickling specific objects.  The :mod:`pickle` and :mod:`copy` modules use "
"those functions when pickling/copying those objects.  The module provides "
"configuration information about object constructors which are not classes. "
"Such constructors may be factory functions or class instances."
msgstr ""
":mod:`copyreg` 模块提供了可在封存特定对象时使用的一种定义函数方式。 :mod:`pickle` 和 :mod:`copy` "
"模块会在封存/拷贝特定对象时使用这些函数。 此模块提供了非类对象构造器的相关配置信息。 这样的构造器可以是工厂函数或类实例。"

#: ../../library/copyreg.rst:24
msgid ""
"Declares *object* to be a valid constructor.  If *object* is not callable "
"(and hence not valid as a constructor), raises :exc:`TypeError`."
msgstr ""
"将 *object* 声明为一个有效的构造器。 如果 *object* 是不可调用的（因而不是一个有效的构造器）则会引发 "
":exc:`TypeError`。"

#: ../../library/copyreg.rst:30
msgid ""
"Declares that *function* should be used as a \"reduction\" function for "
"objects of type *type*.  *function* should return either a string or a tuple"
" containing two or three elements."
msgstr ""
"声明该 *function* 应当被用作 *type* 类型对象的“归约函数”。 *function* 应当返回字符串或包含两到三个元素的元组。"

#: ../../library/copyreg.rst:34
msgid ""
"The optional *constructor* parameter, if provided, is a callable object "
"which can be used to reconstruct the object when called with the tuple of "
"arguments returned by *function* at pickling time.  A :exc:`TypeError` is "
"raised if the *constructor* is not callable."
msgstr ""
"如果提供了可选的 *constructor* 形参，它应当是一个可被用于重建相应对象的可调用对象，在调用该对象时要附带在执行封存操作时由 "
"*function* 所返回的参数所组成的元组。 如果 *constructor* 不是可调用对象则将引发 :exc:`TypeError`。"

#: ../../library/copyreg.rst:39
msgid ""
"See the :mod:`pickle` module for more details on the interface expected of "
"*function* and *constructor*.  Note that the "
":attr:`~pickle.Pickler.dispatch_table` attribute of a pickler object or "
"subclass of :class:`pickle.Pickler` can also be used for declaring reduction"
" functions."
msgstr ""
"请查看 :mod:`pickle` 模块了解 *function* 和 *constructor* 所要求的接口的详情。 请注意一个 pickler "
"对象或 :class:`pickle.Pickler` 的子类的 :attr:`~pickle.Pickler.dispatch_table` "
"属性也可以被用来声明归约函数。"

#: ../../library/copyreg.rst:46
msgid "Example"
msgstr "示例"

#: ../../library/copyreg.rst:48
msgid ""
"The example below would like to show how to register a pickle function and "
"how it will be used:"
msgstr "以下示例将会显示如何注册一个封存函数，以及如何来使用它："