[issue14156] argparse.FileType for '-' doesn't work for a mode of 'rb'

[paul j3]

paul j3 added the comment:

A related issue http://bugs.python.org/issue13824
"argparse.FileType opens a file and never closes it"

I proposed a FileContext class that returns a `partial(open, filename,...)' context object.  The issues of how to deal with stdin/out are similar.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14156>
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