python subprocess logging

plog.py

import sys
import subprocess
import logging
import shlex
from logging.handlers import RotatingFileHandler


def log_handler(log_file):
    log_handler = RotatingFileHandler(filename=log_file,maxBytes=200000,
                                  backupCount=5)
    formatter = logging.Formatter('%(asctime)s %(message)s','%m/%d/%Y %I:%M:%S %p')
    log_handler.setFormatter(formatter)
    log_handler.setLevel(logging.INFO)
    logger.addHandler(log_handler)
    logger.setLevel(logging.INFO)


log_file="/tmp/py.log"
logger = logging.getLogger("logger")
log_handler(log_file)
print("INFO Log file path is: " + log_file)
hive_command="hive -e 'show databases;'"


proc=subprocess.Popen(shlex.split(hive_command), stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
for line in proc.stdout:
    logger.info(line)
proc.wait()