[Python-Dev] Could getpass use streams other than stdin? (original) (raw)
Mike Brown mike at skew.org
Fri Aug 13 00:26:23 CEST 2004
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On posix, it would be useful if I could have getpass.getpass() write the prompt to stderr or to an arbitrary stream (file-like object), rather than always writing to stdin.
In my use case, I need to send the results of a command-line script to stdout after the user authenticates, and the user may be redirecting stdout, so I don't want the password prompt to pollute the output. If I could have the "Password: " show up in stderr, that would be ideal.
I don't think this would be terribly difficult to implement an API like
def getpass(prompt='', stream=None) if stream is None: stream = sys.stdin ...
but I'm unsure of the nuances of termios and arbitrary streams. Would it be better to just make the choice be between stdin and stderr? -- in which case the API would be something like
def getpass(prompt='', use_stderr=False)
Or is the whole exercise a waste of time?
Thanks
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