7
7
from bzrlib.trace import mutter
8
from bzrlib.errors import BzrError
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from bzrlib.errors import (BzrError,
9
TransportError, TransportNotPossible, NonRelativePath,
10
NoSuchFile, FileExists, PermissionDenied,
10
13
_protocol_handlers = {
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24
mutter('registering transport: %s => %s' % (prefix, klass.__name__))
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25
_protocol_handlers[prefix] = klass
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class TransportError(BzrError):
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"""All errors thrown by Transport implementations should derive
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def __init__(self, msg=None, orig_error=None):
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if msg is None and orig_error is not None:
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BzrError.__init__(self, msg)
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self.orig_error = orig_error
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class AsyncError(TransportError):
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# A set of semi-meaningful errors which can be thrown
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class TransportNotPossible(TransportError):
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"""This is for transports where a specific function is explicitly not
41
possible. Such as pushing files to an HTTP server.
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class NonRelativePath(TransportError):
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"""An absolute path was supplied, that could not be decoded into
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class NoSuchFile(TransportError, IOError):
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"""A get() was issued for a file that doesn't exist."""
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def __init__(self, msg=None, orig_error=None):
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TransportError.__init__(self, msg=msg, orig_error=orig_error)
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IOError.__init__(self, errno.ENOENT, self.msg)
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class FileExists(TransportError, OSError):
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"""An operation was attempted, which would overwrite an entry,
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but overwritting is not supported.
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mkdir() can throw this, but put() just overwites existing files.
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def __init__(self, msg=None, orig_error=None):
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TransportError.__init__(self, msg=msg, orig_error=orig_error)
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OSError.__init__(self, errno.EEXIST, self.msg)
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class PermissionDenied(TransportError):
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"""An operation cannot succeed because of a lack of permissions."""
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class ConnectionReset(TransportError):
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"""The connection has been closed."""
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27
class Transport(object):
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"""This class encapsulates methods for retrieving or putting a file
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29
from/to a storage location.
added
removed
bzrlib/transport/__init__.py
