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# Copyright (C) 2005 Canonical Ltd
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Text UI, write output to the console.
"""
import getpass
import sys
import bzrlib.progress
from bzrlib.ui import UIFactory
class TextUIFactory(UIFactory):
def progress_bar(self):
# this in turn is abstract, and creates either a tty or dots
# bar depending on what we think of the terminal
return bzrlib.progress.ProgressBar()
def get_password(self, prompt='', **kwargs):
"""Prompt the user for a password.
:param prompt: The prompt to present the user
:param kwargs: Arguments which will be expanded into the prompt.
This lets front ends display different things if
they so choose.
:return: The password string, return None if the user
canceled the request.
"""
prompt = (prompt % kwargs).encode(sys.stdout.encoding, 'replace')
prompt += ': '
try:
return getpass.getpass(prompt)
except KeyboardInterrupt:
return None
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