Which is the best python module for command execution

 

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  • Calling an external command in Python 50 answers

    • os.system always runs /bin/sh , which parses the command string. This can be a security risk if you have whitespace, $ etc. in the command arguments, or the user has a shell config file. To avoid all such risks, use subprocess with a list or tuple of strings as the command ( shell=False ) instead.

    To emulate os.chdir in the command, use the cwd= argument in subprocess .

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