cpython/Doc/library/getpass.rst
Christian Heimes 5b5e81c637 Merged revisions 59605-59624 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r59606 | georg.brandl | 2007-12-29 11:57:00 +0100 (Sat, 29 Dec 2007) | 2 lines

  Some cleanup in the docs.
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  r59611 | martin.v.loewis | 2007-12-29 19:49:21 +0100 (Sat, 29 Dec 2007) | 2 lines

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  r59612 | raymond.hettinger | 2007-12-29 23:09:34 +0100 (Sat, 29 Dec 2007) | 1 line

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  r59613 | raymond.hettinger | 2007-12-29 23:16:24 +0100 (Sat, 29 Dec 2007) | 1 line

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  r59620 | christian.heimes | 2007-12-31 15:47:07 +0100 (Mon, 31 Dec 2007) | 3 lines

  Added wininst-9.0.exe executable for VS 2008
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  r59621 | christian.heimes | 2007-12-31 15:51:18 +0100 (Mon, 31 Dec 2007) | 1 line

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  r59623 | christian.heimes | 2007-12-31 16:02:41 +0100 (Mon, 31 Dec 2007) | 1 line

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  r59624 | christian.heimes | 2007-12-31 16:18:55 +0100 (Mon, 31 Dec 2007) | 1 line

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:mod:`getpass` --- Portable password input
==========================================
.. module:: getpass
:synopsis: Portable reading of passwords and retrieval of the userid.
.. moduleauthor:: Piers Lauder <piers@cs.su.oz.au>
.. sectionauthor:: Fred L. Drake, Jr. <fdrake@acm.org>
.. Windows (& Mac?) support by Guido van Rossum.
The :mod:`getpass` module provides two functions:
.. function:: getpass([prompt[, stream]])
Prompt the user for a password without echoing. The user is prompted using the
string *prompt*, which defaults to ``'Password: '``. On Unix, the prompt is
written to the file-like object *stream*, which defaults to ``sys.stdout`` (this
argument is ignored on Windows).
Availability: Macintosh, Unix, Windows.
.. function:: getuser()
Return the "login name" of the user. Availability: Unix, Windows.
This function checks the environment variables :envvar:`LOGNAME`,
:envvar:`USER`, :envvar:`LNAME` and :envvar:`USERNAME`, in order, and returns
the value of the first one which is set to a non-empty string. If none are set,
the login name from the password database is returned on systems which support
the :mod:`pwd` module, otherwise, an exception is raised.