@profile('read')
def test_read():
	count = 0
	with open('content.txt') as f:
		contents = f.read()
		for line in contents.splitlines():
			count += len(line)
	print count


@profile('readlines')
def test_readlines():
	count = 0
	with open('content.txt') as f:
		for line in f.readlines():
			count += len(line[:-1])
	print count


@profile('readline')
def test_readline():
	count = 0
	with open('content.txt') as f:
		while True:
			line = f.readline()
			if not line: break
			count += len(line[:-1])
	print count


@profile('for-loop')
def test_for_loop():
	count = 0
	for line in open('content.txt'):
		count += len(line[:-1])
	print count

def profile(title=None):
	def decorate(func):
		@wraps(func)
		def wrapper(*args,**kwargs):
			name = title if title is not None else '%s.%s'%(func.__module__,func.__name__)

			print('\033[32m %s 开始 \033[0m'%name)
			start = time.clock()
			r = func(*args,**kwargs)
			end = time.clock()
			print('\033[35m %s 完成:%ss \033[0m'%(name,int(100*(end - start)+0.5)/100.0))

			return r
		return wrapper
	return decorate