[issue16353] add function to os module for getting path to default shell

[Chris Jerdonek]

Chris Jerdonek added the comment:

> Any interest in doing like os.get_terminal_size/shutil.get_terminal_size

If functions with two different behaviors are needed, I think the two functions should probably have different names (e.g. get_shell() and get_user_shell()).  Otherwise, it may create confusion as to which to call (or which is being called when reading code).

Moreover, it doesn't seem like the following guidance in the docs for which get_terminal_size() to use would hold in parallel for the shell variants: "shutil.get_terminal_size() is the high-level function which should normally be used, os.get_terminal_size is the low-level implementation."

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16353>
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