python

import logging
from logging import handlers

logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
filehandler = logging.handlers.TimedRotatingFileHandler("%s/logs/merge.log" % sys.path[0], when='D', interval=1, backupCount=10)
filehandler.suffix = "%Y-%m-%d.log"
filehandler.setLevel(logging.INFO)
formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')
filehandler.setFormatter(formatter)
logging.getLogger('').addHandler(filehandler)


from concurrent.futures import ThreadPoolExecutor
if tm:   //tm >>list
    with ThreadPoolExecutor(max_workers=5) as executor:
        executor.map(combine,tm)


import signal
def handler(signalnum,frame):
     while True:
        if a > 5:
            exit(0)
        a += 1
if __name__ == '__main__':
    signal.signal(signal.SIGTERM, handler)

dict.pop('key')       set.remove(sas)

sorted(dict.items(), key= lambda x : x[1])      sorted(dict.items(), key= lambda x : x[0], reverse=True)       字典按key、value排序

continue \ pass \ break

any() all()

copy()  deepcopy()

global \ nonlocal    : 全局变量 、 外部函数变量

""" jinja2 """
from jinja2 import PackageLoader,Environment,FileSystemLoader
env = Environment(loader=FileSystemLoader('/tmp'))
templates = env.get_template("test.txt")
templates.render(test='888')