48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
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# $Id$
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# Copyright (C) 2004 Igor Belyi <belyi@users.sourceforge.net>
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# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from getpass import getpass
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def passphrase_stdin(hint, desc, prev_bad, hook=None):
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"""This is a sample callback that will read a passphrase from
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the terminal. The hook here, if present, will be used to describe
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why the passphrase is needed."""
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why = ''
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if hook != None:
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why = ' ' + hook
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if prev_bad:
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why += ' (again)'
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print("Please supply %s' password%s:" % (hint, why))
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return getpass()
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def progress_stdout(what, type, current, total, hook=None):
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print("PROGRESS UPDATE: what = %s, type = %d, current = %d, total = %d" %\
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(what, type, current, total))
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def readcb_fh(count, hook):
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"""A callback for data. hook should be a Python file-like object."""
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if count:
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# Should return '' on EOF
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return hook.read(count)
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else:
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# Wants to rewind.
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if not hasattr(hook, 'seek'):
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return None
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hook.seek(0, 0)
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return None
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