python - redirect prints to log file

Question

Okay. I have completed my first python program.It has around 1000 lines of code. During development I placed plenty of print statements before running a command using os.system() say something like,

print "running command",cmd
os.system(cmd)

Now I have completed the program. I thought about commenting them but redirecting all these unnecessary print (i can't remove all print statements - since some provide useful info for user) into a log file will be more useful? Any tricks or tips.

question from:https://stackoverflow.com/questions/2513479/redirect-prints-to-log-file

Answer 1

You should take a look at python logging module

---

EDIT: Sample code:

import logging

if __name__ == "__main__":
    logging.basicConfig(level=logging.DEBUG, filename="logfile", filemode="a+",
                        format="%(asctime)-15s %(levelname)-8s %(message)s")
    logging.info("hello")

Produce a file named "logfile" with content:

2012-10-18 06:40:03,582 INFO     hello