fix syntax err

PegasusWang · PegasusWang · commit 549dda99cc2a · 2017-01-06T10:34:13.000+08:00
diff --git a/design/design.rst b/design/design.rst
@@ -249,59 +249,64 @@ Abstract Factory(抽象工厂: 解决复杂对象创建问题)
 -  A deep copy constructs a new compound object and then, recursively,
    inserts copies into it of the objects found in the original."
 
-   import copy from collections import OrderedDict
-
-   class Book: def **init**\ (self, name, authors, price, \*\*rest):
-   '''Examples of rest: publisher, length, tags, publication date'''
-   self.name = name self.authors = authors self.price = price # in US
-   dollars self.\ **dict**.update(rest)
-
-   ::
-
-       def __str__(self):
-           mylist = []
-           ordered = OrderedDict(sorted(self.__dict__.items()))
-           for i in ordered.keys():
-               mylist.append('{}: {}'.format(i, ordered[i]))
-               if i == 'price':
-                   mylist.append('$')
-               mylist.append('\n')
-           return ''.join(mylist)
-
-   class Prototype: def **init**\ (self): self.objects = {}
-
-   ::
-
-       def register(self, identifier, obj):
-           self.objects[identifier] = obj
-
-       def unregister(self, identifier):
-           del self.objects[identifier]
-
-       def clone(self, identifier, **attr):
-           """ 实现对象拷贝 """
-           found = self.objects.get(identifier)
-           if not found:
-               raise ValueError('Incorrect object identifier: {}'.format(identifier))
-           obj = copy.deepcopy(found)
-           obj.__dict__.update(attr)    # 实现拷贝时自定义更新
-           return obj
-
-   def main(): b1 = Book('The C Programming Language', ('Brian W.
-   Kernighan', 'Dennis M.Ritchie'), price=118, publisher='Prentice
-   Hall', length=228, publication\_date='1978-02-22', tags=('C',
-   'programming', 'algorithms', 'data structures'))
-
-   ::
-
-       prototype = Prototype()
-       cid = 'k&r-first'
-       prototype.register(cid, b1)
-       b2 = prototype.clone(cid, name='The C Programming Language (ANSI)', price=48.99, length=274,
-                           publication_date='1988-04-01', edition=2)
-       for i in (b1, b2):
-           print(i)
-           print("ID b1 : {} != ID b2 : {}".format(id(b1), id(b2)))
+::
+    import copy
+    from collections import OrderedDict
+
+    class Book:
+        def __init__(self, name, authors, price, **rest):
+            '''Examples of rest: publisher, length, tags, publication
+            date'''
+            self.name = name
+            self.authors = authors
+            self.price = price      # in US dollars
+            self.__dict__.update(rest)
+
+        def __str__(self):
+            mylist = []
+            ordered = OrderedDict(sorted(self.__dict__.items()))
+            for i in ordered.keys():
+                mylist.append('{}: {}'.format(i, ordered[i]))
+                if i == 'price':
+                    mylist.append('$')
+                mylist.append('\n')
+            return ''.join(mylist)
+
+
+    class Prototype:
+        def __init__(self):
+            self.objects = {}
+
+        def register(self, identifier, obj):
+            self.objects[identifier] = obj
+
+        def unregister(self, identifier):
+            del self.objects[identifier]
+
+        def clone(self, identifier, **attr):
+            """ 实现对象拷贝 """
+            found = self.objects.get(identifier)
+            if not found:
+                raise ValueError('Incorrect object identifier: {}'.format(identifier))
+            obj = copy.deepcopy(found)
+            obj.__dict__.update(attr)    # 实现拷贝时自定义更新
+            return obj
+
+
+    def main():
+        b1 = Book('The C Programming Language', ('Brian W. Kernighan', 'Dennis M.Ritchie'),
+                price=118, publisher='Prentice Hall', length=228, publication_date='1978-02-22',
+                tags=('C', 'programming', 'algorithms', 'data structures'))
+
+        prototype = Prototype()
+        cid = 'k&r-first'
+        prototype.register(cid, b1)
+        b2 = prototype.clone(cid, name='The C Programming Language (ANSI)', price=48.99, length=274,
+                            publication_date='1988-04-01', edition=2)
+        for i in (b1, b2):
+            print(i)
+            print("ID b1 : {} != ID b2 : {}".format(id(b1), id(b2)))
+
 
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