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# -*- coding: UTF-8 -*-
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
__copyright__ = "Copyright (C) 2005 Canonical Ltd."
__author__ = "Martin Pool <mbp@canonical.com>"
######################################################################
# exceptions
class BzrError(StandardError):
def __str__(self):
if len(self.args) == 1:
return self.args[0]
elif len(self.args) == 2:
# further explanation or suggestions
try:
return '\n '.join([self.args[0]] + self.args[1])
except TypeError:
return "%r" % self
else:
return `self.args`
class BzrCheckError(BzrError):
pass
class InvalidRevisionNumber(BzrError):
def __str__(self):
return 'invalid revision number: %r' % self.args[0]
class InvalidRevisionId(BzrError):
pass
class BzrCommandError(BzrError):
# Error from malformed user command
pass
class NotBranchError(BzrError):
"""Specified path is not in a branch"""
pass
class NotVersionedError(BzrError):
"""Specified object is not versioned."""
class BadFileKindError(BzrError):
"""Specified file is of a kind that cannot be added.
(For example a symlink or device file.)"""
pass
class ForbiddenFileError(BzrError):
"""Cannot operate on a file because it is a control file."""
pass
class LockError(Exception):
"""All exceptions from the lock/unlock functions should be from
this exception class. They will be translated as necessary. The
original exception is available as e.original_error
"""
def __init__(self, e=None):
self.original_error = e
if e:
Exception.__init__(self, e)
else:
Exception.__init__(self)
class PointlessCommit(Exception):
"""Commit failed because nothing was changed."""
class NoSuchRevision(BzrError):
def __init__(self, branch, revision):
self.branch = branch
self.revision = revision
msg = "Branch %s has no revision %s" % (branch, revision)
BzrError.__init__(self, msg)
class HistoryMissing(BzrError):
def __init__(self, branch, object_type, object_id):
self.branch = branch
BzrError.__init__(self,
'%s is missing %s {%s}'
% (branch, object_type, object_id))
class DivergedBranches(BzrError):
def __init__(self, branch1, branch2):
BzrError.__init__(self, "These branches have diverged.")
self.branch1 = branch1
self.branch2 = branch2
class UnrelatedBranches(BzrCommandError):
def __init__(self):
msg = "Branches have no common ancestor, and no base revision"\
" specified."
BzrCommandError.__init__(self, msg)
class NoCommonAncestor(BzrError):
def __init__(self, revision_a, revision_b):
msg = "Revisions have no common ancestor: %s %s." \
% (revision_a, revision_b)
BzrError.__init__(self, msg)
class NoCommonRoot(BzrError):
def __init__(self, revision_a, revision_b):
msg = "Revisions are not derived from the same root: %s %s." \
% (revision_a, revision_b)
BzrError.__init__(self, msg)
class NotAncestor(BzrError):
def __init__(self, rev_id, not_ancestor_id):
msg = "Revision %s is not an ancestor of %s" % (not_ancestor_id,
rev_id)
BzrError.__init__(self, msg)
self.rev_id = rev_id
self.not_ancestor_id = not_ancestor_id
class NotAncestor(BzrError):
def __init__(self, rev_id, not_ancestor_id):
self.rev_id = rev_id
self.not_ancestor_id = not_ancestor_id
msg = "Revision %s is not an ancestor of %s" % (not_ancestor_id,
rev_id)
BzrError.__init__(self, msg)
class InstallFailed(BzrError):
def __init__(self, revisions):
msg = "Could not install revisions:\n%s" % " ,".join(revisions)
BzrError.__init__(self, msg)
self.revisions = revisions
class AmbiguousBase(BzrError):
def __init__(self, bases):
msg = "The correct base is unclear, becase %s are all equally close" %\
", ".join(bases)
BzrError.__init__(self, msg)
self.bases = bases
class NoCommits(BzrError):
def __init__(self, branch):
msg = "Branch %s has no commits." % branch
BzrError.__init__(self, msg)
class UnlistableStore(BzrError):
def __init__(self, store):
BzrError.__init__(self, "Store %s is not listable" % store)
class UnlistableBranch(BzrError):
def __init__(self, br):
BzrError.__init__(self, "Stores for branch %s are not listable" % br)
from bzrlib.weave import WeaveError
class TransportError(BzrError):
"""All errors thrown by Transport implementations should derive
from this class.
"""
def __init__(self, msg=None, orig_error=None):
if msg is None and orig_error is not None:
msg = str(orig_error)
BzrError.__init__(self, msg)
self.msg = msg
self.orig_error = orig_error
# A set of semi-meaningful errors which can be thrown
class TransportNotPossible(TransportError):
"""This is for transports where a specific function is explicitly not
possible. Such as pushing files to an HTTP server.
"""
pass
class NonRelativePath(TransportError):
"""An absolute path was supplied, that could not be decoded into
a relative path.
"""
pass
class NoSuchFile(TransportError, IOError):
"""A get() was issued for a file that doesn't exist."""
def __str__(self):
return self.msg
def __init__(self, msg=None, orig_error=None):
import errno
TransportError.__init__(self, msg=msg, orig_error=orig_error)
IOError.__init__(self, errno.ENOENT, self.msg)
class FileExists(TransportError, OSError):
"""An operation was attempted, which would overwrite an entry,
but overwritting is not supported.
mkdir() can throw this, but put() just overwites existing files.
"""
def __init__(self, msg=None, orig_error=None):
import errno
TransportError.__init__(self, msg=msg, orig_error=orig_error)
OSError.__init__(self, errno.EEXIST, self.msg)
class PermissionDenied(TransportError):
"""An operation cannot succeed because of a lack of permissions."""
pass
class ConnectionReset(TransportError):
"""The connection has been closed."""
pass
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