[po] auto sync

github-actions[bot] · github-actions[bot] · commit 42b146fb9be1 · 2021-06-01T06:34:21.000Z
diff --git a/library/urllib.request.po b/library/urllib.request.po
@@ -153,6 +153,8 @@ msgid ""
 ":class:`URLopener` and :class:`FancyURLopener` classes, this function "
 "returns a :class:`urllib.response.addinfourl` object."
 msgstr ""
+"对于 FTP、文件、数据的URL，以及由传统的 :class:`URLopener`  和 :class:`FancyURLopener` "
+"类处理的请求，本函数将返回一个 :class:`urllib.response.addinfourl` 对象。"
 
 #: ../../library/urllib.request.rst:81
 msgid "Raises :exc:`~urllib.error.URLError` on protocol errors."
@@ -164,6 +166,8 @@ msgid ""
 " the default installed global :class:`OpenerDirector` uses "
 ":class:`UnknownHandler` to ensure this never happens)."
 msgstr ""
+"请注意，如果没有处理函数对请求进行处理，则有可能会返回 ``None``  。尽管默认安装的全局 :class:`OpenerDirector` 会用 "
+":class:`UnknownHandler` 来确保不会发生这种情况。"
 
 #: ../../library/urllib.request.rst:87
 msgid ""
@@ -172,6 +176,8 @@ msgid ""
 ":class:`ProxyHandler` is default installed and makes sure the requests are "
 "handled through the proxy."
 msgstr ""
+"此外，如果检测到设置了代理（比如设置了 :envvar:`http_proxy` 之类的环境变量），默认会安装 "
+":class:`ProxyHandler` 并确保通过代理处理请求。"
 
 #: ../../library/urllib.request.rst:92
 msgid ""
@@ -181,6 +187,10 @@ msgid ""
 " parameter to ``urllib.urlopen``, can be obtained by using "
 ":class:`ProxyHandler` objects."
 msgstr ""
+"Python 2.6 以下版本中留存的 ``urllib.urlopen`` 函数已停止使用了； "
+":func:`urllib.request.urlopen` 对应于传统的 ``urllib2.urlopen`` "
+"。对代理服务的处理是通过将字典参数传给 ``urllib.urlopen`` 来完成的，可以用 :class:`ProxyHandler` "
+"对象获取到代理处理函数。 "
 
 #: ../../library/urllib.request.rst:98
 msgid "*cafile* and *capath* were added."
