python将print输出的信息保留到日志文件中
print与stdout说明参见：
https://blog.csdn.net/he_and/article/details/80675070
https://www.jb51.net/article/171015.htm
import sys
import os
import io
import datetime
def create_detail_day(): ''' :return: ''' # 年-月-日 # daytime = datetime.datetime.now().strftime('day'+'%Y-%m-%d') # 年_月_日 daytime = datetime.datetime.now().strftime('day'+'%Y_%m_%d') # 时：分：秒 # hourtime = datetime.datetime.now().strftime("%H:%M:%S") # hourtime = datetime.datetime.now().strftime('time' + "%H_%M_%S") detail_time = daytime # print(daytime + "-" + hourtime) # detail_time = daytime + "__" + hourtime return detail_time
class Logger(object): def __init__(self, filename="Default.log", path="./"): sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8') self.terminal = sys.stdout self.log = open(os.path.join(path, filename), "a", encoding='utf8')
def write(self, message): self.terminal.write(message) self.log.write(message)
def flush(self): pass
if __name__ == '__main__': sys.stdout = Logger(create_detail_day() + '.log', path='') print(create_detail_day().center(60, '*')) print('explanation'.center(80, '*')) info1 = '从大到小排序' info2 = ' sort the form large to small' print(info1) print(info2) print('END: explanation'.center(80, '*'))
def create_detail_day(): ''' :return: ''' # 年-月-日 # daytime = datetime.datetime.now().strftime('day'+'%Y-%m-%d') # 年_月_日 daytime = datetime.datetime.now().strftime('day'+'%Y_%m_%d') # 时：分：秒 # hourtime = datetime.datetime.now().strftime("%H:%M:%S") # hourtime = datetime.datetime.now().strftime('time' + "%H_%M_%S") detail_time = daytime # print(daytime + "-" + hourtime) # detail_time = daytime + "__" + hourtime return detail_time
class Logger(object): def __init__(self, filename="Default.log", path="./"): sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8') self.terminal = sys.stdout self.log = open(os.path.join(path, filename), "a", encoding='utf8')
def write(self, message): self.terminal.write(message) self.log.write(message)
def flush(self): pass
if __name__ == '__main__': sys.stdout = Logger(create_detail_day() + '.log', path='') print(create_detail_day().center(60, '*')) print('explanation'.center(80, '*')) info1 = '从大到小排序' info2 = ' sort the form large to small' print(info1) print(info2) print('END: explanation'.center(80, '*'))