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# Copyright (C) 2006 Canonical Ltd
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# Copyright (C) 2006, 2007, 2009, 2010, 2011, 2016 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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Implementation of Transport that adapts another transport to be readonly."""
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from bzrlib.errors import TransportNotPossible
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from bzrlib.transport.decorator import TransportDecorator, DecoratorServer
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class ReadonlyTransportDecorator(TransportDecorator):
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from __future__ import absolute_import
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from bzrlib.errors import TransportNotPossible, NoSmartMedium
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from bzrlib.transport import decorator
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class ReadonlyTransportDecorator(decorator.TransportDecorator):
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"""A decorator that can convert any transport to be readonly.
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This is requested via the 'readonly+' prefix to get_transport().
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def append(self, relpath, f):
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"""See Transport.append()."""
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raise TransportNotPossible('readonly transport')
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def append_file(self, relpath, f, mode=None):
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"""See Transport.append_file()."""
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raise TransportNotPossible('readonly transport')
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def append_bytes(self, relpath, bytes, mode=None):
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"""See Transport.append_bytes()."""
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raise TransportNotPossible('readonly transport')
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def _get_url_prefix(self):
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"""Readonly transport decorators are invoked via 'readonly+'"""
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def rename(self, rel_from, rel_to):
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"""See Transport.rename."""
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raise TransportNotPossible('readonly transport')
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def delete(self, relpath):
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"""See Transport.delete()."""
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raise TransportNotPossible('readonly transport')
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"""See Transport.delete_tree()."""
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raise TransportNotPossible('readonly transport')
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def put(self, relpath, f, mode=None):
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"""See Transport.put()."""
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def put_file(self, relpath, f, mode=None):
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"""See Transport.put_file()."""
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raise TransportNotPossible('readonly transport')
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def put_bytes(self, relpath, bytes, mode=None):
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"""See Transport.put_bytes()."""
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raise TransportNotPossible('readonly transport')
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def mkdir(self, relpath, mode=None):
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"""See Transport.mkdir()."""
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raise TransportNotPossible('readonly transport')
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def open_write_stream(self, relpath, mode=None):
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"""See Transport.open_write_stream()."""
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raise TransportNotPossible('readonly transport')
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def is_readonly(self):
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"""See Transport.is_readonly."""
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"""See Transport.lock_write."""
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raise TransportNotPossible('readonly transport')
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class ReadonlyServer(DecoratorServer):
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"""Server for the ReadonlyTransportDecorator for testing with."""
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def get_decorator_class(self):
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return ReadonlyTransportDecorator
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def get_smart_client(self):
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raise NoSmartMedium(self)
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def get_smart_medium(self):
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raise NoSmartMedium(self)
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def get_test_permutations():
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"""Return the permutations to be used in testing."""
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return [(ReadonlyTransportDecorator, ReadonlyServer),
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from bzrlib.tests import test_server
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return [(ReadonlyTransportDecorator, test_server.ReadonlyServer)]