python: Change the scripts working directory to the script’s own directory

I run a python shell from crontab every minute:

* * * * * /home/udi/foo/bar.py

/home/udi/foo has some necessary subdirectories, like /home/udi/foo/log and /home/udi/foo/config, which /home/udi/foo/bar.py refers to.

The problem is that crontab runs the script from a different working directory, so trying to open ./log/bar.log fails.

Is there a nice way to tell the script to change the working directory to the script’s own directory? I would fancy a solution that would work for any script location, rather than explicitly telling the script where it is.

EDIT:

os.chdir(os.path.dirname(sys.argv[0]))

Was the most compact elegant solution. Thanks for your answers and explanations!

4 Answers
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