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# Copyright (C) 2005-2016 Canonical Ltd, 2017 Bazaar developers
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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from __future__ import absolute_import
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from ..sixish import (
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class StringIOWithEncoding(io.StringIO):
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def write(self, string):
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if isinstance(string, bytes):
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string = string.decode(self.encoding)
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io.StringIO.write(self, string)
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class BytesIOWithEncoding(io.BytesIO):
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class StringIOAsTTY(StringIOWithEncoding):
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"""A helper class which makes a StringIO look like a terminal"""
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class TextUIFactory(ui.text.TextUIFactory):
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def __init__(self, stdin=None, stdout=None, stderr=None):
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if isinstance(stdin, bytes):
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stdin = stdin.decode()
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if isinstance(stdin, text_type):
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stdin = StringIOWithEncoding(stdin)
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stdout = StringIOWithEncoding()
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stderr = StringIOWithEncoding()
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super(TextUIFactory, self).__init__(stdin, stdout, stderr)
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class TestUIFactory(TextUIFactory):
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"""A UI Factory for testing.
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Hide the progress bar but emit note()s.
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Allows get_password to be tested without real tty attached.
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See also CannedInputUIFactory which lets you provide programmatic input in
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# TODO: Capture progress events at the model level and allow them to be
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# observed by tests that care.
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# XXX: Should probably unify more with CannedInputUIFactory or a
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# particular configuration of TextUIFactory, or otherwise have a clearer
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# idea of how they're supposed to be different.
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# See https://bugs.launchpad.net/bzr/+bug/408213
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def get_non_echoed_password(self):
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"""Get password from stdin without trying to handle the echo mode"""
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password = self.stdin.readline()
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if password[-1] == '\n':
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password = password[:-1]
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def make_progress_view(self):
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return ui.NullProgressView()