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#-*- coding:utf-8 -*-

class ExpCollFunction(object):
    def __init__(self, fun, *exps):
        self.exps = tuple(exps)
        self.fun = fun
    def __call__(self, *args):
        return self.fun(*args)

class ExpInclude(object):
    def __init__(self, *exps):
        self.exps = []
        self.exps.extend(exps)
    def __call__(self, fun):
        return ExpCollFunction(fun, *self.exps)

@ExpInclude(Exception)
def foo():
    print "foo function"
    raise Exception()


ExpCollFunctionºÍExpIncludeÀàÐÍÊÇͨÓõģ¬¶¨Òå³ÉÒ»¸ö¶ÀÁ¢µÄÄ£¿é¾Í¿ÉÒÔʹÓá£Ö»ÒªÔÚ¶¨Òåijһ¸öº¯Êýʱ£¬ÏñʾÀýÖеÄfooÒ»Ñù£¬ÒÔExpIncludeÐÞÊΣ¬²¢ÔÚExpIncludeµÄ²ÎÊýÖд«ÈëÕâ¸öº¯Êý¿ÉÄÜÅ׳öµÄÒì³£ÀàÐͼ´¿É¡£³ýÁËdecorator
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ÀýÈ磬ÎÒÔÚidle shellÖÐÕâÑùÖ´ÐдúÂ룺
>>> try:
    foo()
except foo.exps:
    print "foo exception"


foo function
foo exception

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2006/11/20, ÁõöÎ <march.liu在gmail.com>:
>
> ÓÐЩ´ÓJavaת¹ýÀ´µÄÅóÓÑ£¬¿ÉÄÜ»á±È½Ï»³ÄîJavaµÄÒì³£¶¨Ò壬Ҳ¾ÍÊÇ˵£¬¿ÉÒÔÔÚ¶¨ÒåÒ»¸öº¯Êýʱ£¬ÉùÃ÷Ëü¿ÉÄÜÅ׳öµÄÒì³£¡£ÒòΪÎÒ¼¸ºõûÓÐJavaÓïÑÔµÄʹÓþ­Ñ飨Èç¹û˵»á°²×°tomcatºÍEclipse¾ÍËãJava¸ßÊֵĻ°£¬ÄÇÎÒÊÇ£ºP£©£¬Òâʶ²»µ½ÕâÖÖ·½Ê½µÄÓŵ㡣Ôø¾­ÓкܾúöÂÔÁËËü¡£µ«ÊÇÔÚ¶Á¹ýһЩPythonÊé¼®ºó£¬ÎÒ·¢ÏÖ£¬ÕâÖÖÒì³£ÉùÃ÷¶ÔPythonÒ²ÊǺÜÓÐÒâÒåµÄ¡£ÓÚÊÇ£¬ÎÒÊÔ×ÅдÁËÒ»¸ödecorator
> À´ÊµÏÖÕâ¸ö¹¦ÄÜ¡£ÊÂʵ֤Ã÷£¬PythonÀïËäȻûÓÐÓï·¨¼¶±ðµÄº¯ÊýÒì³£ÉùÃ÷£¬µ«ÊÇʵÏÖÕâÑùµÄ¹¦Äܷdz£¼òµ¥¡£ÒÔÏÂÊÇÒ»¸ö¼òµ¥µÄʾÀý£º
>
> #-*- coding:utf-8 -*-
>
> class ExpCollFunction(object):
>     def __init__(self, fun, *exps):
>         self.exps = tuple(exps)
>         self.fun = fun
>     def __call__(self, *args):
>         return self.fun (*args)
>
> class ExpInclude(object):
>     def __init__(self, *exps):
>         self.exps = []
>         self.exps.extend(exps)
>     def __call__(self, fun):
>         return ExpCollFunction(fun, *self.exps)
>
> @ExpInclude(Exception)
> def foo():
>     print "foo function"
>     raise Exception()
>
>
> ExpCollFunctionºÍExpIncludeÀàÐÍÊÇͨÓõģ¬¶¨Òå³ÉÒ»¸ö¶ÀÁ¢µÄÄ£¿é¾Í¿ÉÒÔʹÓá£Ö»ÒªÔÚ¶¨Òåijһ¸öº¯Êýʱ£¬ÏñʾÀýÖеÄfooÒ»Ñù£¬ÒÔExpIncludeÐÞÊΣ¬²¢ÔÚExpIncludeµÄ²ÎÊýÖд«ÈëÕâ¸öº¯Êý¿ÉÄÜÅ׳öµÄÒì³£ÀàÐͼ´¿É¡£³ýÁËdecorator
> £¬ÕâÖÖ»¹¼¼ÇɵÃÒæÓÚPythonµÄÁíÍâÁ½¸öÓï·¨£¬Ò»¸öÊǶÔÏóµÄ¿Éµ÷ÓýӿÚ__call__£¬Ò»¸öÊÇexcept¿ÉÒÔ²¶»ñÒÔtupleÔ¼ÊøµÄÒ»×éÒì³£ÀàÐÍ¡£
> ÀýÈ磬ÎÒÔÚidle shellÖÐÕâÑùÖ´ÐдúÂ룺
> >>> try:
>     foo()
> except foo.exps:
>     print "foo exception"
>
>
> foo function
> foo exception
>
> ÁíÍ⣬һ¸ö²¶»ñ×Ô¶¨Òì³£µÄ¼òµ¥·½·¨ÊÇ£¬½«×Ô¶¨ÒåÒ쳣ͨ¹ý¶à¼Ì³ÐµÄ·½Ê½½øÐзÖÀ࣬ÕâÑù£¬²¶»ñʱ¿ÉÒÔ¼òµ¥µÄ½Ø»ñijһÖÖÒì³£µÄ×ÓÀ࣬¾ÍÏñGMailÀïµÄÓʼþ±êÇ©¡£ÕâÖÖ·½Ê½¿ÉÒԲμûBjarne
> StroustrupµÄ¡¶C++ÓïÑÔµÄÉè¼ÆÓëÑÝ»¯¡·¡£
> ÎÞÂÛÔÚPython»¹ÊÇJavaÖУ¬Ê¹ÓÃÒì³£ÉùÃ÷£¬ÒªÑϸñÈ·ÈÏÉùÃ÷µÄÒì³£ÁбíÓ뺯ÊýÖпÉÄÜÅ׳öµÄÒì³£ÕýÈ·¶ÔÓ¦£¬·ñÔòÖ»»áÊʵÃÆä·´¡£
>
> --
> »¶Ó­·ÃÎÊ£º
> http://blog.csdn.net/ccat
>
> ÁõöÎ
> March.Liu
>
> _______________________________________________
> python-chinese
> Post: send python-chinese在lists.python.cn
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def foo():
    print "foo function"
    raise Exception()
foo.exps = (Exception,)

# KISS

-- 
http://codeplayer.blogspot.com/
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class ExpInclude(object):
    def __init__(self, *exps):
        self.exps = tuple(exps)
    def __call__(self, fun):
        fun.exps = self.exps
        return fun

¶àлyi huang¡£

2006/11/20, yi huang <yi.codeplayer在gmail.com>:def foo():
    print "foo function"
    raise Exception()
foo.exps = (Exception,)

ÔÚ06-11-20£¬ÁõöÎ <march.liu在gmail.com> дµÀ£º
>
> ÓÐЩ´ÓJavaת¹ýÀ´µÄÅóÓÑ£¬¿ÉÄÜ»á±È½Ï»³ÄîJavaµÄÒì³£¶¨Ò壬Ҳ¾ÍÊÇ˵£¬¿ÉÒÔÔÚ¶¨ÒåÒ»¸öº¯Êýʱ£¬ÉùÃ÷Ëü¿ÉÄÜÅ׳öµÄÒì³£¡£ÒòΪÎÒ¼¸ºõûÓÐJavaÓïÑÔµÄʹÓþ­Ñ飨Èç¹û˵»á°²×°tomcatºÍEclipse¾ÍËãJava¸ßÊֵĻ°£¬ÄÇÎÒÊÇ£ºP£©£¬Òâʶ²»µ½ÕâÖÖ·½Ê½µÄÓŵ㡣Ôø¾­ÓкܾúöÂÔÁËËü¡£µ«ÊÇÔÚ¶Á¹ýһЩPythonÊé¼®ºó£¬ÎÒ·¢ÏÖ£¬ÕâÖÖÒì³£ÉùÃ÷¶ÔPythonÒ²ÊǺÜÓÐÒâÒåµÄ¡£ÓÚÊÇ£¬ÎÒÊÔ×ÅдÁËÒ»¸ödecorator
> À´ÊµÏÖÕâ¸ö¹¦ÄÜ¡£ÊÂʵ֤Ã÷£¬PythonÀïËäȻûÓÐÓï·¨¼¶±ðµÄº¯ÊýÒì³£ÉùÃ÷£¬µ«ÊÇʵÏÖÕâÑùµÄ¹¦Äܷdz£¼òµ¥¡£ÒÔÏÂÊÇÒ»¸ö¼òµ¥µÄʾÀý£º
>
> #-*- coding:utf-8 -*-
>
> class ExpCollFunction(object):
>     def __init__(self, fun, *exps):
>         self.exps = tuple(exps)
>         self.fun = fun
>     def __call__(self, *args):
>         return self.fun (*args)
>
> class ExpInclude(object):
>     def __init__(self, *exps):
>         self.exps = []
>         self.exps.extend(exps)
>     def __call__(self, fun):
>         return ExpCollFunction(fun, *self.exps)
>
> @ExpInclude(Exception)
> def foo():
>     print "foo function"
>     raise Exception()
>
>
> ExpCollFunctionºÍExpIncludeÀàÐÍÊÇͨÓõģ¬¶¨Òå³ÉÒ»¸ö¶ÀÁ¢µÄÄ£¿é¾Í¿ÉÒÔʹÓá£Ö»ÒªÔÚ¶¨Òåijһ¸öº¯Êýʱ£¬ÏñʾÀýÖеÄfooÒ»Ñù£¬ÒÔExpIncludeÐÞÊΣ¬²¢ÔÚExpIncludeµÄ²ÎÊýÖд«ÈëÕâ¸öº¯Êý¿ÉÄÜÅ׳öµÄÒì³£ÀàÐͼ´¿É¡£³ýÁËdecorator
> £¬ÕâÖÖ»¹¼¼ÇɵÃÒæÓÚPythonµÄÁíÍâÁ½¸öÓï·¨£¬Ò»¸öÊǶÔÏóµÄ¿Éµ÷ÓýӿÚ__call__£¬Ò»¸öÊÇexcept¿ÉÒÔ²¶»ñÒÔtupleÔ¼ÊøµÄÒ»×éÒì³£ÀàÐÍ¡£
> ÀýÈ磬ÎÒÔÚidle shellÖÐÕâÑùÖ´ÐдúÂ룺
> >>> try:
>     foo()
> except foo.exps:
>     print "foo exception"
>
>
> foo function
> foo exception
>
> ÁíÍ⣬һ¸ö²¶»ñ×Ô¶¨Òì³£µÄ¼òµ¥·½·¨ÊÇ£¬½«×Ô¶¨ÒåÒ쳣ͨ¹ý¶à¼Ì³ÐµÄ·½Ê½½øÐзÖÀ࣬ÕâÑù£¬²¶»ñʱ¿ÉÒÔ¼òµ¥µÄ½Ø»ñijһÖÖÒì³£µÄ×ÓÀ࣬¾ÍÏñGMailÀïµÄÓʼþ±êÇ©¡£ÕâÖÖ·½Ê½¿ÉÒԲμûBjarne
> StroustrupµÄ¡¶C++ÓïÑÔµÄÉè¼ÆÓëÑÝ»¯¡·¡£
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>
> --
> »¶Ó­·ÃÎÊ£º
> http://blog.csdn.net/ccat
>
> ÁõöÎ
> March.Liu
>



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