[po] auto sync bot

zhsj · zhsj · commit adb3472926cb · 2019-04-04T16:25:40.000+08:00
diff --git a/faq/design.po b/faq/design.po
@@ -4,7 +4,6 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Yinuo Huang <yinuo.huang15@imperial.ac.uk>, 2018
 # ww song <sww4718168@gmail.com>, 2018
 # Shengjing Zhu <zsj950618@gmail.com>, 2019
 # Meng Du <alphanow@gmail.com>, 2019
@@ -32,7 +31,7 @@ msgstr "设计和历史常见问题"
 
 #: ../../faq/design.rst:6
 msgid "Contents"
-msgstr "内容"
+msgstr "目录"
 
 #: ../../faq/design.rst:11
 msgid "Why does Python use indentation for grouping of statements?"
@@ -872,6 +871,8 @@ msgid ""
 "it and returns it.  For example, here's how to iterate over the keys of a "
 "dictionary in sorted order::"
 msgstr ""
+"如果要返回新列表，请使用内置 :func:`sorted` "
+"函数。此函数从提供的可迭代列表中创建新列表，对其进行排序并返回。例如，下面是如何迭代遍历字典并按keys排序::"
 
 #: ../../faq/design.rst:608
 msgid "How do you specify and enforce an interface spec in Python?"
@@ -883,7 +884,7 @@ msgid ""
 " and Java describes the prototypes for the methods and functions of the "
 "module.  Many feel that compile-time enforcement of interface specifications"
 " helps in the construction of large programs."
-msgstr ""
+msgstr "由C++和Java等语言提供的模块接口规范描述了模块的方法和函数的原型。许多人认为接口规范的编译时强制执行有助于构建大型程序。"
 
 #: ../../faq/design.rst:615
 msgid ""
@@ -894,13 +895,18 @@ msgid ""
 ":class:`~collections.abc.Iterable`, :class:`~collections.abc.Container`, and"
 " :class:`~collections.abc.MutableMapping`."
 msgstr ""
+"Python 2.6添加了一个 :mod:`abc` 模块，允许定义抽象基类 (ABCs)。然后可以使用 :func:`isinstance` 和 "
+":func:`issubclass` 来检查实例或类是否实现了特定的ABC。 :mod:`collections.abc` 模块定义了一组有用的ABCs"
+" 例如 :class:`~collections.abc.Iterable` ， :class:`~collections.abc.Container`"
+" , 和 :class:`~collections.abc.MutableMapping` "
 
 #: ../../faq/design.rst:622
 msgid ""
 "For Python, many of the advantages of interface specifications can be "
 "obtained by an appropriate test discipline for components.  There is also a "
 "tool, PyChecker, which can be used to find problems due to subclassing."
 msgstr ""
+"对于Python，通过对组件进行适当的测试规程，可以获得接口规范的许多好处。还有一个工具PyChecker，可用于查找由于子类化引起的问题。"
 
 #: ../../faq/design.rst:626
 msgid ""
@@ -913,6 +919,8 @@ msgid ""
 "can be used to construct exhaustive test suites that exercise every line of "
 "code in a module."
 msgstr ""
+"一个好的模块测试套件既可以提供回归测试，也可以作为模块接口规范和一组示例。许多Python模块可以作为脚本运行，以提供简单的“自我测试”。即使是使用复杂外部接口的模块，也常常可以使用外部接口的简单“桩代码（stub）”模拟进行隔离测试。可以使用"
+" :mod:`doctest` 和 :mod:`unittest` 模块或第三方测试框架来构造详尽的测试套件，以运行模块中的每一行代码。"
 
 #: ../../faq/design.rst:634
 msgid ""
@@ -924,6 +932,9 @@ msgid ""
 "cannot test that your :meth:`append` implementation will actually do this "
 "correctly, but it's trivial to check this property in a test suite."
 msgstr ""
+"适当的测试规程可以帮助在Python中构建大型的、复杂的应用程序以及接口规范。事实上，它可能会更好，因为接口规范不能测试程序的某些属性。例如， "
+":meth:`append` 方法将向一些内部列表的末尾添加新元素；接口规范不能测试您的 :meth:`append` "
+"实现是否能够正确执行此操作，但是在测试套件中检查这个属性是很简单的。"
 
 #: ../../faq/design.rst:642
 msgid ""
@@ -933,6 +944,7 @@ msgid ""
 " before you write any of the actual code.  Of course Python allows you to be"
 " sloppy and not write test cases at all."
 msgstr ""
+"编写测试套件非常有用，您可能希望设计代码时着眼于使其易于测试。一种日益流行的技术是面向测试的开发，它要求在编写任何实际代码之前，首先编写测试套件的各个部分。当然，Python允许您草率行事，根本不编写测试用例。"
 
 #: ../../faq/design.rst:650
 msgid "Why is there no goto?"
@@ -997,11 +1009,11 @@ msgid ""
 "Python has a 'with' statement that wraps the execution of a block, calling "
 "code on the entrance and exit from the block.  Some language have a "
 "construct that looks like this::"
-msgstr ""
+msgstr "Python有一个 'with' 语句，它封装了块的执行，在块的入口和出口调用代码。有些语言的结构是这样的::"
 
 #: ../../faq/design.rst:708
 msgid "In Python, such a construct would be ambiguous."
-msgstr ""
+msgstr "在Python中，这样的结构是不明确的。"
 
 #: ../../faq/design.rst:710
 msgid ""
@@ -1010,6 +1022,8 @@ msgid ""
 "assigned to. This is the main point of static typing -- the compiler "
 "*always* knows the scope of every variable at compile time."
 msgstr ""
+"其他语言，如ObjectPascal、Delphi和C++ 使用静态类型，因此可以毫不含糊地知道分配给什么成员。这是静态类型的要点 -- 编译器 "
+"*总是* 在编译时知道每个变量的作用域。"
 
 #: ../../faq/design.rst:715
 msgid ""
@@ -1019,10 +1033,11 @@ msgid ""
 "simple reading, what attribute is being referenced: a local one, a global "
 "one, or a member attribute?"
 msgstr ""
+"Python使用动态类型。事先不可能知道在运行时引用哪个属性。可以动态地在对象中添加或删除成员属性。这使得无法通过简单的阅读就知道引用的是什么属性：局部属性、全局属性还是成员属性？"
 
 #: ../../faq/design.rst:721
 msgid "For instance, take the following incomplete snippet::"
-msgstr ""
+msgstr "例如，采用以下不完整的代码段::"
 
 #: ../../faq/design.rst:727
 msgid ""
@@ -1032,24 +1047,26 @@ msgid ""
 "variable named \"x\", will it be used inside the with block?  As you see, "
 "the dynamic nature of Python makes such choices much harder."
 msgstr ""
+"该代码段假设 \"a\" 必须有一个名为 \"x\" 的成员属性。然而，Python中并没有告诉解释器这一点。假设 \"a\" "
+"是整数，会发生什么？如果有一个名为 \"x\" 的全局变量，它是否会在with块中使用？如您所见，Python的动态特性使得这样的选择更加困难。"
 
 #: ../../faq/design.rst:733
 msgid ""
 "The primary benefit of \"with\" and similar language features (reduction of "
 "code volume) can, however, easily be achieved in Python by assignment.  "
 "Instead of::"
-msgstr ""
+msgstr "然而，Python 可以通过赋值轻松实现 \"with\" 和类似语言特性（减少代码量）的主要好处。代替::"
 
 #: ../../faq/design.rst:740
 msgid "write this::"
-msgstr ""
+msgstr "写成这样::"
 
 #: ../../faq/design.rst:747
 msgid ""
 "This also has the side-effect of increasing execution speed because name "
 "bindings are resolved at run-time in Python, and the second version only "
 "needs to perform the resolution once."
-msgstr ""
+msgstr "这也具有提高执行速度的副作用，因为Python在运行时解析名称绑定，而第二个版本只需要执行一次解析。"
 
 #: ../../faq/design.rst:753
 msgid "Why are colons required for the if/while/def/class statements?"
