# _*_ coding: utf-8 _*_
"""
python_metaclass.py by xianhu
"""
class Foo(object):
def hello(self):
print("hello world!")
return
foo = Foo()
print(type(foo)) #
print(type(foo.hello)) #
print(type(Foo)) #
temp = Foo # 赋值给其他å˜é‡
Foo.var = 11 # å¢žåŠ å‚æ•°
print(Foo) # 作为函数å‚æ•°
# ========================================================================
def init(self, name):
self.name = name
return
def hello(self):
print("hello %s" % self.name)
return
Foo = type("Foo", (object,), {"__init__": init, "hello": hello, "cls_var": 10})
foo = Foo("xianhu")
print(foo.hello())
print(Foo.cls_var)
print(foo.__class__)
print(Foo.__class__)
print(type.__class__)
# ========================================================================
class Author(type):
def __new__(mcs, name, bases, dict):
# æ·»åŠ ä½œè€…å±žæ€§
dict["author"] = "xianhu"
return super(Author, mcs).__new__(mcs, name, bases, dict)
class Foo(object, metaclass=Author):
pass
foo = Foo()
print(foo.author)