[po] auto sync

github-actions[bot] · github-actions[bot] · commit e4bae5678ae7 · 2022-09-01T00:37:53.000Z
diff --git a/library/ast.po b/library/ast.po
@@ -1117,11 +1117,15 @@ msgid ""
 "the use of ``async`` and ``await`` as variable names.  The lowest supported "
 "version is ``(3, 4)``; the highest is ``sys.version_info[0:2]``."
 msgstr ""
+"此外，将 ``feature_version`` 设为元组 ``(major, minor)`` 将会尝试使用该will attempt to "
+"parse using that Python 版本的语法来进行解析。 目前 ``major`` 必须等于 ``3``。 例如，设置 "
+"``feature_version=(3, 4)`` 将允许使用 ``async`` 和 ``await`` 作为变量名。 最低受支持版本为 ``(3,"
+" 4)``；最高则为 ``sys.version_info[0:2]``。"
 
 #: ../../library/ast.rst:1920
 msgid ""
 "If source contains a null character ('\\0'), :exc:`ValueError` is raised."
-msgstr ""
+msgstr "如果源包含一个空字符 ('\\0')，则会引发 :exc:`ValueError`。"
 
 #: ../../library/ast.rst:1923
 msgid ""
@@ -1132,12 +1136,15 @@ msgid ""
 "node for a return statement, but it cannot be compiled alone (it needs to be"
 " inside a function node)."
 msgstr ""
+"请注意成功将源代码解析为 AST 对象并不能保证该源代码提供了可被执行的有效 Python 代码，因为编译步骤还可能引发其他的 "
+":exc:`SyntaxError` 异常。 例如，对于源代码 ``return 42`` 可以生成一条有效的 return 语句 AST "
+"节点，但它不能被单独编译（它必须位于一个函数节点之内）。"
 
 #: ../../library/ast.rst:1930
 msgid ""
 "In particular, :func:`ast.parse` won't do any scoping checks, which the "
 "compilation step does."
-msgstr ""
+msgstr "特别地，:func:`ast.parse` 不会执行任何作用域检查，这是由编译步骤来做的。"
 
 #: ../../library/ast.rst:1934 ../../library/ast.rst:1973
 msgid ""
@@ -1148,27 +1155,30 @@ msgstr "足够复杂或是巨大的字符串可能导致Python解释器的崩溃
 
 #: ../../library/ast.rst:1938
 msgid "Added ``type_comments``, ``mode='func_type'`` and ``feature_version``."
-msgstr ""
+msgstr "增加了 ``type_comments``, ``mode='func_type'`` 和 ``feature_version``。"
 
 #: ../../library/ast.rst:1944
 msgid ""
 "Unparse an :class:`ast.AST` object and generate a string with code that "
 "would produce an equivalent :class:`ast.AST` object if parsed back with "
 ":func:`ast.parse`."
 msgstr ""
+"反向解析一个 :class:`ast.AST` 对象并生成一个包含当再次使用 :func:`ast.parse` 解析时将产生同样的 "
+":class:`ast.AST` 对象的代码的字符串。"
 
 #: ../../library/ast.rst:1949
 msgid ""
 "The produced code string will not necessarily be equal to the original code "
 "that generated the :class:`ast.AST` object (without any compiler "
 "optimizations, such as constant tuples/frozensets)."
 msgstr ""
+"所产生的代码字符串将不一定与生成 :class:`ast.AST` 对象的原始代码完全一致（不带任何编译器优化，例如常量元组/冻结集合等）。"
 
 #: ../../library/ast.rst:1954
 msgid ""
 "Trying to unparse a highly complex expression would result with "
 ":exc:`RecursionError`."
-msgstr ""
+msgstr "尝试反向解析一个高度复杂的表达式可能会导致 :exc:`RecursionError`。"
 
 #: ../../library/ast.rst:1962
 msgid ""
@@ -1177,6 +1187,8 @@ msgid ""
 "following Python literal structures: strings, bytes, numbers, tuples, lists,"
 " dicts, sets, booleans, ``None`` and ``Ellipsis``."
 msgstr ""
+"安全地对表达式节点或者包含 Python 字面值或容器表示形式的字符串进行求值。 所提供的字符串或节点可能只由下列 Python "
+"字面值结构组成：字符串、字节串、数值、元组、列表、字典、集合、布尔值、``None`` 和 ``Ellipsis``。"
 
 #: ../../library/ast.rst:1967
 msgid ""
@@ -1185,6 +1197,8 @@ msgid ""
 "capable of evaluating arbitrarily complex expressions, for example involving"
 " operators or indexing."
 msgstr ""
+"这可被用于安全地对包含不受信任来源的 Python 值的字符串进行求值而不必解析这些值本身。 "
+"它并不能对任意的复杂表达式进行求值，例如涉及运算符或索引操作的表达式。"
 
 #: ../../library/ast.rst:1977
 msgid ""
