def cmp1(n1, n2):return n1 - n2a = [1, 6, 2, 9]
print(sorted(a, key=functools.cmp_to_key(cmp1)))

@functools.lru_cache(2526)
def get_resource(page):url = "https://urls_does_not_contain_pornographic_informations/%s" % pagetry:with urllib.request.urlopen(url) as s:return s.read()except urllib.error.HTTPError:return 'Not Found'for i in range(1, 2526):pep = get_resource(i)print(pep)

def abc(a, b):print a + bdef partial(func, *args, **kwargs):args_li = list(args)def inner(*nargs, **nkwargs):args_li.extend(nargs)kwargs.update(nkwargs)return func(*args_li, **kwargs)return innernew_abc = partial(abc, 2)new_abc(4)

from functools import partialclass Test(object):def __init__(self):self.name = "lala"self.age = 20def _update_attr(obj, update_dic):map(lambda item: setattr(obj, item[0], item[1]), update_dic.iteritems())update_attr = partial(_update_attr, update_dic={"name": "mncu", "age": 18})test_obj_list = [Test() for i in xrange(20)]map(update_attr, test_obj_list)for test_obj in test_obj_list:print test_obj.name, test_obj.age

>>> class Cell(object):
...     def __init__(self):
...         self._alive = False
...     @property
...     def alive(self):
...         return self._alive
...     def set_state(self, state):
...         self._alive = bool(state)
...     set_alive = partialmethod(set_state, True)
...     set_dead = partialmethod(set_state, False)
...
>>> c = Cell()
>>> c.alive
False
>>> c.set_alive()
>>> c.alive
True

#!/usr/bin/env python
# encoding: utf-8def wrap(func):def call_it(*args, **kwargs):"""wrap func: call_it"""print 'before call'return func(*args, **kwargs)return call_it@wrap
def hello():"""say hello"""print 'hello world'from functools import update_wrapper
def wrap2(func):def call_it(*args, **kwargs):"""wrap func: call_it2"""print 'before call'return func(*args, **kwargs)return update_wrapper(call_it, func)@wrap2
def hello2():"""test hello"""print 'hello world2'if __name__ == '__main__':hello()print hello.__name__print hello.__doc__printhello2()print hello2.__name__print hello2.__doc__

from functools import wraps
def wrap3(func):@wraps(func)def call_it(*args, **kwargs):"""wrap func: call_it2"""print 'before call'return func(*args, **kwargs)return call_it@wrap3
def hello3():"""test hello 3"""print 'hello world3'