[po] auto sync bot

zhsj · zhsj · commit 4628ebe6552c · 2018-11-30T07:54:47.000+08:00
diff --git a/reference/datamodel.po b/reference/datamodel.po
@@ -3035,18 +3035,25 @@ msgid ""
 "negative values), :exc:`IndexError` should be raised. For mapping types, if "
 "*key* is missing (not in the container), :exc:`KeyError` should be raised."
 msgstr ""
+"调用此方法以实现 ``self[key]`` "
+"的求值。对于序列类型，接受的键应为整数和切片对象。请注意负数索引（如果类想要模拟序列类型）的特殊解读是取决于 :meth:`__getitem__` "
+"方法。如果 *key* 的类型不正确则会引发 :exc:`TypeError` "
+"异常；如果为序列索引集范围以外的值（在进行任何负数索引的特殊解读之后）则应引发 :exc:`IndexError` 异常。对于映射类型，如果 *key*"
+" 找不到（不在容器中）则应引发 :exc:`KeyError` 异常。"
 
 #: ../../reference/datamodel.rst:2178
 msgid ""
 ":keyword:`for` loops expect that an :exc:`IndexError` will be raised for "
 "illegal indexes to allow proper detection of the end of the sequence."
-msgstr ""
+msgstr ":keyword:`for` 循环在有不合法索引时会期待捕获 :exc:`IndexError` 以便正确地检测到序列的结束。"
 
 #: ../../reference/datamodel.rst:2184
 msgid ""
 "Called by :class:`dict`\\ .\\ :meth:`__getitem__` to implement ``self[key]``"
 " for dict subclasses when key is not in the dictionary."
 msgstr ""
+"此方法由 :class:`dict`\\ .\\ :meth:`__getitem__` 在找不到字典中的键时调用以实现 dict 子类的 "
+"``self[key]``。"
 
 #: ../../reference/datamodel.rst:2190
 msgid ""
@@ -3056,6 +3063,9 @@ msgid ""
 " or for sequences if elements can be replaced.  The same exceptions should "
 "be raised for improper *key* values as for the :meth:`__getitem__` method."
 msgstr ""
+"调用此方法以实现向 ``self[key]`` 赋值。注意事项与 :meth:`__getitem__` "
+"相同。为对象实现此方法应该仅限于需要映射允许基于键修改值或添加键，或是序列允许元素被替换时。不正确的 *key* 值所引发的异常应与 "
+":meth:`__getitem__` 方法的情况相同。"
 
 #: ../../reference/datamodel.rst:2199
 msgid ""
@@ -3065,6 +3075,9 @@ msgid ""
 " from the sequence.  The same exceptions should be raised for improper *key*"
 " values as for the :meth:`__getitem__` method."
 msgstr ""
+"调用此方法以实现 ``self[key]`` 的删除。注意事项与 :meth:`__getitem__` "
+"相同。为对象实现此方法应该权限于需要映射允许移除键，或是序列允许移除元素时。不正确的 *key* 值所引发的异常应与 "
+":meth:`__getitem__` 方法的情况相同。"
 
 #: ../../reference/datamodel.rst:2208
 msgid ""
@@ -3073,13 +3086,14 @@ msgid ""
 "objects in the container.  For mappings, it should iterate over the keys of "
 "the container."
 msgstr ""
+"此方法在需要为容器创建迭代器时被调用。此方法应该返回一个新的迭代器对象，它能够逐个迭代容器中的所有对象。对于映射，它应该逐个迭代容器中的键。"
 
 #: ../../reference/datamodel.rst:2212
 msgid ""
 "Iterator objects also need to implement this method; they are required to "
 "return themselves.  For more information on iterator objects, see "
 ":ref:`typeiter`."
-msgstr ""
+msgstr "迭代器对象也需要实现此方法；它们需要返回对象自身。有关迭代器对象的详情请参看 :ref:`typeiter` 一节。"
 
 #: ../../reference/datamodel.rst:2218
 msgid ""
