# -*- encoding:utf-8 -*-

from __future__ import print_function

import functools

import time

import warnings

def warnings_filter(func):

"""

warnings 有优化数据结构提示警告, 忽略

"""

@functools.wraps(func)

def wrapper(*args, **kwargs):

warnings.simplefilter('ignore')

ret = func(*args, **kwargs)

warnings.simplefilter('default')

return ret

return wrapper

def benchmark(func):

"""

打印一个函数的执行时间

"""

@functools.wraps(func)

def wrapper(*args, **kwargs):

t = time.clock()

ret = func(*args, **kwargs)

print('*' * 108 + '\n')

print('*' * 16 + func.__name__ + ': ' + str(time.clock() - t))

return ret

return wrapper

def logging_ex(func):

@functools.wraps(func)

def wrapper(*args, **kwargs):

print('*' * 38 + func.__name__ + " start" + '*' * 38)

ret = func(*args, **kwargs)

print('*' * 38 + func.__name__ + " end" + '*' * 38)

return ret

return wrapper

def logging(func):

"""

记录函数日志

"""

@functools.wraps(func)

def wrapper(*args, **kwargs):

ret = func(*args, **kwargs)

print('*' * 16 + func.__name__, args, kwargs)

return ret

return wrapper

def counter(func):

"""

记录并打印一个函数的执行次数

"""

@functools.wraps(func)

def wrapper(*args, **kwargs):

wrapper.count += 1

ret = func(*args, **kwargs)

print('*' * 16 + "{0} has been used: {1}x".format(func.__name__, wrapper.count))

return ret

wrapper.count = 0

return wrapper