22
23
######################################################################
24
25
class BzrError(StandardError):
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# XXX: Should we show the exception class in
27
# exceptions that don't provide their own message?
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# maybe it should be done at a higher level
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## n = self.__class__.__name__ + ': '
31
if len(self.args) == 1:
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return n + self.args[0]
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elif len(self.args) == 2:
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# further explanation or suggestions
36
return n + '\n '.join([self.args[0]] + self.args[1])
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return n + "%r" % self
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return n + `self.args`
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28
class BzrCheckError(BzrError):
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class InvalidRevisionNumber(BzrError):
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return 'invalid revision number: %r' % self.args[0]
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class InvalidRevisionId(BzrError):
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class BzrCommandError(BzrError):
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# Error from malformed user command
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class NotBranchError(BzrError):
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"""Specified path is not in a branch"""
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return 'not a branch: %s' % self.args[0]
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class UnsupportedFormatError(BzrError):
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"""Specified path is a bzr branch that we cannot read."""
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return 'unsupported branch format: %s' % self.args[0]
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class NotVersionedError(BzrError):
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"""Specified object is not versioned."""
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class BadFileKindError(BzrError):
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"""Specified file is of a kind that cannot be added.
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(For example a symlink or device file.)"""
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class ForbiddenFileError(BzrError):
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"""Cannot operate on a file because it is a control file."""
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class LockError(Exception):
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"""All exceptions from the lock/unlock functions should be from
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this exception class. They will be translated as necessary. The
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original exception is available as e.original_error
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def __init__(self, e=None):
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self.original_error = e
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Exception.__init__(self, e)
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Exception.__init__(self)
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class CommitNotPossible(LockError):
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"""A commit was attempted but we do not have a write lock open."""
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class AlreadyCommitted(LockError):
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"""A rollback was requested, but is not able to be accomplished."""
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class ReadOnlyError(LockError):
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"""A write attempt was made in a read only transaction."""
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class PointlessCommit(Exception):
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"""Commit failed because nothing was changed."""
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class NoSuchRevision(BzrError):
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def __init__(self, branch, revision):
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self.revision = revision
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msg = "Branch %s has no revision %s" % (branch, revision)
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BzrError.__init__(self, msg)
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class HistoryMissing(BzrError):
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def __init__(self, branch, object_type, object_id):
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BzrError.__init__(self,
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'%s is missing %s {%s}'
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% (branch, object_type, object_id))
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class DivergedBranches(BzrError):
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def __init__(self, branch1, branch2):
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BzrError.__init__(self, "These branches have diverged.")
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self.branch1 = branch1
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self.branch2 = branch2
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class UnrelatedBranches(BzrCommandError):
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msg = "Branches have no common ancestor, and no base revision"\
146
BzrCommandError.__init__(self, msg)
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class NoCommonAncestor(BzrError):
149
def __init__(self, revision_a, revision_b):
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msg = "Revisions have no common ancestor: %s %s." \
151
% (revision_a, revision_b)
152
BzrError.__init__(self, msg)
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class NoCommonRoot(BzrError):
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def __init__(self, revision_a, revision_b):
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msg = "Revisions are not derived from the same root: %s %s." \
157
% (revision_a, revision_b)
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BzrError.__init__(self, msg)
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class NotAncestor(BzrError):
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def __init__(self, rev_id, not_ancestor_id):
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msg = "Revision %s is not an ancestor of %s" % (not_ancestor_id,
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BzrError.__init__(self, msg)
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self.not_ancestor_id = not_ancestor_id
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class NotAncestor(BzrError):
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def __init__(self, rev_id, not_ancestor_id):
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self.not_ancestor_id = not_ancestor_id
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msg = "Revision %s is not an ancestor of %s" % (not_ancestor_id,
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BzrError.__init__(self, msg)
178
class InstallFailed(BzrError):
179
def __init__(self, revisions):
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msg = "Could not install revisions:\n%s" % " ,".join(revisions)
181
BzrError.__init__(self, msg)
182
self.revisions = revisions
185
class AmbiguousBase(BzrError):
186
def __init__(self, bases):
187
msg = "The correct base is unclear, becase %s are all equally close" %\
189
BzrError.__init__(self, msg)
192
class NoCommits(BzrError):
193
def __init__(self, branch):
194
msg = "Branch %s has no commits." % branch
195
BzrError.__init__(self, msg)
197
class UnlistableStore(BzrError):
198
def __init__(self, store):
199
BzrError.__init__(self, "Store %s is not listable" % store)
201
class UnlistableBranch(BzrError):
202
def __init__(self, br):
203
BzrError.__init__(self, "Stores for branch %s are not listable" % br)
206
from bzrlib.weave import WeaveError, WeaveParentMismatch
208
class TransportError(BzrError):
209
"""All errors thrown by Transport implementations should derive
212
def __init__(self, msg=None, orig_error=None):
213
if msg is None and orig_error is not None:
214
msg = str(orig_error)
215
BzrError.__init__(self, msg)
217
self.orig_error = orig_error
219
# A set of semi-meaningful errors which can be thrown
220
class TransportNotPossible(TransportError):
221
"""This is for transports where a specific function is explicitly not
222
possible. Such as pushing files to an HTTP server.
226
class NonRelativePath(TransportError):
227
"""An absolute path was supplied, that could not be decoded into
232
class NoSuchFile(TransportError, IOError):
233
"""A get() was issued for a file that doesn't exist."""
235
# XXX: Is multiple inheritance for exceptions really needed?
238
return 'no such file: ' + self.msg
240
def __init__(self, msg=None, orig_error=None):
242
TransportError.__init__(self, msg=msg, orig_error=orig_error)
243
IOError.__init__(self, errno.ENOENT, self.msg)
245
class FileExists(TransportError, OSError):
246
"""An operation was attempted, which would overwrite an entry,
247
but overwritting is not supported.
249
mkdir() can throw this, but put() just overwites existing files.
251
# XXX: Is multiple inheritance for exceptions really needed?
252
def __init__(self, msg=None, orig_error=None):
254
TransportError.__init__(self, msg=msg, orig_error=orig_error)
255
OSError.__init__(self, errno.EEXIST, self.msg)
257
class PermissionDenied(TransportError):
258
"""An operation cannot succeed because of a lack of permissions."""
261
class ConnectionReset(TransportError):
262
"""The connection has been closed."""
265
class ConflictsInTree(BzrError):
267
BzrError.__init__(self, "Working tree has conflicts.")
34
def bailout(msg, explanation=[]):
35
ex = BzrError(msg, explanation)
37
trace._tracefile.write('* raising %s\n' % ex)
added
removed
bzrlib/errors.py
