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[Python-Dev] PEP 501 Shell Command Examples

[Python-Dev] PEP 501 Shell Command Examples [Python-Dev] PEP 501 Shell Command ExamplesNikolaus Rath Nikolaus at rath.org
Sat Sep 5 04:36:55 CEST 2015
Hi Nick,

You are giving

  runcommand(sh(i"cat {filename}"))

as an example that avoids injection attacks. While this is true, I think
this is still a terrible anti-pattern[1] that should not be entombed in
a PEP as a positive example.

Could you consider removing it?

(It doubly wastes resources by pointlessly calling a shell, and then by
parsing & quoting the argument only for the shell to do the same in
reverse).

Best,
-Nikolaus
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