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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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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Fake transport with some restrictions of Windows VFAT filesystems.
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VFAT on Windows has several restrictions that are not present on unix
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filesystems, which are imposed by this transport.
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filesystems, which are imposed by this transport.
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VFAT is strictly 8-bit using codepages to represent non-ascii characters.
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VFAT is strictly 8-bit using codepages to represent non-ascii characters.
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This implementation currently doesn't model the codepage but just insists
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on only ascii characters being written.
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from __future__ import absolute_import
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from bzrlib.transport import decorator
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from bzrlib.errors import TransportNotPossible
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from bzrlib.transport.decorator import TransportDecorator, DecoratorServer
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# TODO: It might be nice if these hooks were available in a more general way
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# TODO: Perhaps don't inherit from TransportDecorator so that methods
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# which are not implemented here fail by default?
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class FakeVFATTransportDecorator(decorator.TransportDecorator):
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class FakeVFATTransportDecorator(TransportDecorator):
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"""A decorator that can convert any transport to be readonly.
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This is requested via the 'vfat+' prefix to get_transport().
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which actually stored the files.
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def _can_roundtrip_unix_modebits(self):
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"""See Transport._can_roundtrip_unix_modebits()."""
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def _get_url_prefix(self):
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"""Readonly transport decorators are invoked via 'vfat+'"""
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def has(self, relpath):
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return self._decorated.has(self._squash_name(relpath))
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def _readv(self, relpath, offsets):
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def readv(self, relpath, offsets):
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return self._decorated.readv(self._squash_name(relpath), offsets)
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def put_file(self, relpath, f, mode=None):
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return self._decorated.put_file(self._squash_name(relpath), f, mode)
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def put(self, relpath, f, mode=None):
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return self._decorated.put(self._squash_name(relpath), f, mode)
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class FakeVFATServer(DecoratorServer):
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"""A server that suggests connections through FakeVFATTransportDecorator
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def get_decorator_class(self):
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return FakeVFATTransportDecorator
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def get_test_permutations():
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"""Return the permutations to be used in testing."""
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from bzrlib.tests import test_server
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return [(FakeVFATTransportDecorator, test_server.FakeVFATServer),]
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return [(FakeVFATTransportDecorator, FakeVFATServer),