[issue13238] Add shell command helpers to shutil module

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

Perhaps a better idea would be to use different names, so it's clearer at the point of invocation that the shell is being invoked (and hence shell injection attacks are a potential concern). For example:

  shell_call
  check_shell_call
  check_shell_output

That would make large applications easier to audit (just search for 'shell_') while still making life easier for sysadmins.

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<http://bugs.python.org/issue13238>
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