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# Copyright (C) 2005 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program 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
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; 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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"""Text UI, write output to the console.
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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import bzrlib.progress
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from bzrlib.ui import UIFactory
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class TextUIFactory(UIFactory):
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def progress_bar(self):
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# this in turn is abstract, and creates either a tty or dots
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# bar depending on what we think of the terminal
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return bzrlib.progress.ProgressBar()
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def get_password(self, prompt='', **kwargs):
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"""Prompt the user for a password.
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:param prompt: The prompt to present the user
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:param kwargs: Arguments which will be expanded into the prompt.
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This lets front ends display different things if
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:return: The password string, return None if the user
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prompt = (prompt % kwargs).encode(sys.stdout.encoding, 'replace')
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return getpass.getpass(prompt)
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except KeyboardInterrupt:
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from bzrlib.ui import CLIUIFactory
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class TextUIFactory(CLIUIFactory):
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"""A UI factory for Text user interefaces."""
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"""Create a TextUIFactory.
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:param bar_type: The type of progress bar to create. It defaults to
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letting the bzrlib.progress.ProgressBar factory auto
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super(TextUIFactory, self).__init__()
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self._bar_type = bar_type
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self.stdout = sys.stdout
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self.stderr = sys.stderr
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def prompt(self, prompt):
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"""Emit prompt on the CLI."""
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self.stdout.write(prompt)
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def nested_progress_bar(self):
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"""Return a nested progress bar.
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The actual bar type returned depends on the progress module which
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may return a tty or dots bar depending on the terminal.
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if self._progress_bar_stack is None:
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self._progress_bar_stack = progress.ProgressBarStack(
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return self._progress_bar_stack.get_nested()
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"""Prepare the terminal for output.
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This will, clear any progress bars, and leave the cursor at the
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if self._progress_bar_stack is None:
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overall_pb = self._progress_bar_stack.bottom()
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if overall_pb is not None: