python内置函数print输出到文件,实现日志记录的功能

# bulid time 2018-6-22
import os
import time

def log(*args, **kwargs):  # *kargs 为了通用 可不传
    rule = "%Y/%m/%d  %H:%M:%S"  # 定义格式
    value = time.localtime(int(time.time()))  # 转换时间
    dt = time.strftime(rule, value)   #  根据规则转换时间
    with open("./log", "a") as f:   # 打开文件  把print函数输出的数据写入到文件    
        print(dt, *args, file=f, **kwargs)

def main():
	while True:
	    a = input("请输入:")
	    if a == "q":
	        log(__file__)
	        log(os.path.dirname("/home/kali/Desktop/log.py"))  # 没有数据
	        log(os.path.abspath(os.path.dirname(__file__))) # 拿到当前路径
	        log(__name__) # __name__
	        log(os.path.abspath(__file__)) #当前文件绝对路径
	        log(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))  
	        log(os.path.join)
	        break
	    log(a)

if __name__ == "__main__":
	main()