[po] auto sync

github-actions[bot] · github-actions[bot] · commit 2b576ccd241a · 2022-10-14T23:39:54.000Z
diff --git a/library/contextlib.po b/library/contextlib.po
@@ -476,20 +476,22 @@ msgid ""
 "now be invoked when the new stack is closed (either explicitly or implicitly"
 " at the end of a :keyword:`with` statement)."
 msgstr ""
+"将回调栈传输到一个新的 :class:`ExitStack` 实例并返回它。 此操作不会发起调用任何回调 —— "
+"作为替代，现在当新栈被关闭时它们将（显式地或是在一条 :keyword:`with` 语句结束时隐式地）被发起调用。"
 
 #: ../../library/contextlib.rst:439
 msgid ""
 "For example, a group of files can be opened as an \"all or nothing\" "
 "operation as follows::"
-msgstr ""
+msgstr "例如，一组文件可以像下面这样以“一个都不能少”的操作方式被打开::"
 
 #: ../../library/contextlib.rst:453
 msgid ""
 "Immediately unwinds the callback stack, invoking callbacks in the reverse "
 "order of registration. For any context managers and exit callbacks "
 "registered, the arguments passed in will indicate that no exception "
 "occurred."
-msgstr ""
+msgstr "立即展开回调栈，按注册时的相反顺序发起调用其中的回调。 对于任何已注册的上下文管理器和退出回调，传入的参数将表明没有发生异常。"
 
 #: ../../library/contextlib.rst:460
 msgid ""
@@ -498,6 +500,8 @@ msgid ""
 "asynchronous context managers, as well as having coroutines for cleanup "
 "logic."
 msgstr ""
+"一个 :ref:`异步上下文管理器 <async-context-managers>`，类似于 "
+":class:`ExitStack`，它支持组合同步和异步上下文管理器，并拥有针对清理逻辑的协程。"
 
 #: ../../library/contextlib.rst:465
 msgid ""
@@ -537,7 +541,7 @@ msgstr "例子和配方"
 msgid ""
 "This section describes some examples and recipes for making effective use of"
 " the tools provided by :mod:`contextlib`."
-msgstr ""
+msgstr "本节描述了一些用于有效利用 :mod:`contextlib` 所提供的工具的示例和步骤。"
 
 #: ../../library/contextlib.rst:505
 msgid "Supporting a variable number of context managers"
