@@ -2061,6 +2061,7 @@ msgid ""
20612061"At this point, the original ``-n``/``--dry-run`` option is no longer "
20622062"accessible, so :mod:`optparse` removes it, leaving this help text::"
20632063msgstr ""
2064+ "这时，原有的 ``-n``/``--dry-run`` 选项将不再可用，因此 :mod:`optparse` 会将其移除，帮助文本将变成这样::"
20642065
20652066#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1483
20662067msgid "Cleanup"
@@ -2075,14 +2076,17 @@ msgid ""
20752076" long-running applications where large object graphs are reachable from your"
20762077" OptionParser."
20772078msgstr ""
2079+ "OptionParser 实例存在一些循环引用。 这对 Python 的垃圾回收器来说应该不是问题，但你可能希望在你完成对 OptionParser "
2080+ "的使用后通过调用其 :meth:`~OptionParser.destroy` 来显式地中断循环引用。 这在可以从你的 OptionParser "
2081+ "访问大型对象图的长期运行应用程序中特别有用。"
20782082
20792083#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1496
20802084msgid "Other methods"
2081- msgstr ""
2085+ msgstr "其他方法 "
20822086
20832087#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1498
20842088msgid "OptionParser supports several other public methods:"
2085- msgstr ""
2089+ msgstr "OptionParser 还支持其他一些公有方法: "
20862090
20872091#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1502
20882092msgid ""
@@ -2091,6 +2095,8 @@ msgid ""
20912095"usage string; use :data:`optparse.SUPPRESS_USAGE` to suppress a usage "
20922096"message."
20932097msgstr ""
2098+ "根据上述的规则为 ``usage`` 构造器关键字参数设置用法字符串。 传入 ``None`` 将设置默认的用法字符串；使用 "
2099+ ":data:`optparse.SUPPRESS_USAGE` 将屏蔽用法消息。"
20942100
20952101#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1508
20962102msgid ""
@@ -2099,12 +2105,14 @@ msgid ""
20992105"is replaced with the name of the current program. Does nothing if "
21002106"``self.usage`` is empty or not defined."
21012107msgstr ""
2108+ "将当前程序的用法消息 (``self.usage``) 打印到 *file* (默认为 stdout)。 出现在 ``self.usage`` "
2109+ "中的字符串 ``%prog`` 将全部被替换为当前程序的名称。 如果 ``self.usage`` 为空或未定义则不做任何事情。"
21022110
21032111#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1515
21042112msgid ""
21052113"Same as :meth:`print_usage` but returns the usage string instead of printing"
21062114" it."
2107- msgstr ""
2115+ msgstr "与 :meth:`print_usage` 类似但是将返回用法字符串而不是打印它。 "
21082116
21092117#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1520
21102118msgid ""
@@ -2114,14 +2122,16 @@ msgid ""
21142122"several\" mode\" options all set the same destination, any one of them can "
21152123"set the default, and the last one wins::"
21162124msgstr ""
2125+ "一次性地为多个选项目标设置默认值。 使用 :meth:`set_defaults` 是为选项设置默认值的推荐方式同，因为多个选项可以共享同一个目标。 "
2126+ "举例来说，如果几个\" mode\" 选项全部设置了相同的目标，则它们中的任何一个都可以设置默认值，而最终生效的将是最后一次设置的默认值::"
21172127
21182128#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1533
21192129msgid "To avoid this confusion, use :meth:`set_defaults`::"
2120- msgstr ""
2130+ msgstr "为避免混淆，请使用 :meth:`set_defaults`:: "
21212131
21222132#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1545
21232133msgid "Option Callbacks"
2124- msgstr ""
2134+ msgstr "选项回调 "
21252135
21262136#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1547
21272137msgid ""
@@ -2130,24 +2140,26 @@ msgid ""
21302140"callback option. Extending :mod:`optparse` is more general, but overkill for"
21312141" a lot of simple cases. Quite often a simple callback is all you need."
21322142msgstr ""
2143+ "当 :mod:`optparse` 的内置动作和类型不能满足你的需要时，你有两个选择：扩展 :mod:`optparse` 或定义一个 callback"
2144+ " 选项。 扩展 :mod:`optparse` 的方式更为通用，但对许多简单场景来说是大材小用了。 你所需要的往往只是一个简单的回调。"
21332145
21342146#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1552
21352147msgid "There are two steps to defining a callback option:"
2136- msgstr ""
2148+ msgstr "定义一个回调选项分为两步: "
21372149
21382150#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1554
21392151msgid "define the option itself using the ``\" callback\" `` action"
2140- msgstr ""
2152+ msgstr "使用 `` \" callback \" `` 动作定义选项本身 "
21412153
21422154#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1556
21432155msgid ""
21442156"write the callback; this is a function (or method) that takes at least four "
21452157"arguments, as described below"
2146- msgstr ""
2158+ msgstr "编写回调；它是一个接受至少四个参数的函数（或方法），如下所述 "
21472159
21482160#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1563
21492161msgid "Defining a callback option"
2150- msgstr ""
2162+ msgstr "定义回调选项 "
21512163
21522164#: /home/runner/work/docspush-transifex/docspush-transifex/cpython/Doc/library/optparse.rst:1565
21532165msgid ""