[Python] Python subprocess/Popen with a modified environment

I believe that running an external command with a slightly modified environment is a very common case. That's how I tend to do it:

import subprocess, os
my_env = os.environ
my_env["PATH"] = "/usr/sbin:/sbin:" + my_env["PATH"]
subprocess.Popen(my_command, env=my_env)


I've got a gut feeling that there's a better way; does it look alright?

Continue reading...