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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# -*- coding: UTF-8 -*-
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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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"""Exceptions for bzr, and reporting of them.
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from bzrlib.patches import (
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# TODO: is there any value in providing the .args field used by standard
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# python exceptions? A list of values with no names seems less useful
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# TODO: Perhaps convert the exception to a string at the moment it's
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# constructed to make sure it will succeed. But that says nothing about
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# exceptions that are never raised.
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# TODO: selftest assertRaises should probably also check that every error
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# raised can be formatted as a string successfully, and without giving
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__copyright__ = "Copyright (C) 2005 Canonical Ltd."
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__author__ = "Martin Pool <mbp@canonical.com>"
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######################################################################
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class BzrError(StandardError):
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Base class for errors raised by bzrlib.
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:cvar internal_error: if true (or absent) this was probably caused by a
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bzr bug and should be displayed with a traceback; if False this was
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probably a user or environment error and they don't need the gory details.
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(That can be overridden by -Derror on the command line.)
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:cvar _fmt: Format string to display the error; this is expanded
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by the instance's dict.
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internal_error = False
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def __init__(self, msg=None, **kwds):
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"""Construct a new BzrError.
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There are two alternative forms for constructing these objects.
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Either a preformatted string may be passed, or a set of named
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arguments can be given. The first is for generic "user" errors which
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are not intended to be caught and so do not need a specific subclass.
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The second case is for use with subclasses that provide a _fmt format
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string to print the arguments.
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Keyword arguments are taken as parameters to the error, which can
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be inserted into the format string template. It's recommended
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that subclasses override the __init__ method to require specific
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:param msg: If given, this is the literal complete text for the error,
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not subject to expansion.
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StandardError.__init__(self)
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# I was going to deprecate this, but it actually turns out to be
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# quite handy - mbp 20061103.
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self._preformatted_string = msg
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self._preformatted_string = None
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for key, value in kwds.items():
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setattr(self, key, value)
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s = getattr(self, '_preformatted_string', None)
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# contains a preformatted message; must be cast to plain str
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fmt = self._get_format_string()
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s = fmt % self.__dict__
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# __str__() should always return a 'str' object
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# never a 'unicode' object.
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if isinstance(s, unicode):
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return s.encode('utf8')
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except (AttributeError, TypeError, NameError, ValueError, KeyError), e:
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return 'Unprintable exception %s: dict=%r, fmt=%r, error=%s' \
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% (self.__class__.__name__,
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getattr(self, '_fmt', None),
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def _get_format_string(self):
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"""Return format string for this exception or None"""
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fmt = getattr(self, '_fmt', None)
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fmt = getattr(self, '__doc__', None)
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symbol_versioning.warn("%s uses its docstring as a format, "
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"it should use _fmt instead" % self.__class__.__name__,
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return 'Unprintable exception %s: dict=%r, fmt=%r' \
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% (self.__class__.__name__,
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getattr(self, '_fmt', None),
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class BzrNewError(BzrError):
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"""Deprecated error base class."""
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# base classes should override the docstring with their human-
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# readable explanation
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def __init__(self, *args, **kwds):
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# XXX: Use the underlying BzrError to always generate the args
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# attribute if it doesn't exist. We can't use super here, because
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# exceptions are old-style classes in python2.4 (but new in 2.5).
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symbol_versioning.warn('BzrNewError was deprecated in bzr 0.13; '
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'please convert %s to use BzrError instead'
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% self.__class__.__name__,
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BzrError.__init__(self, *args)
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for key, value in kwds.items():
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setattr(self, key, value)
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# __str__() should always return a 'str' object
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# never a 'unicode' object.
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s = self.__doc__ % self.__dict__
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if isinstance(s, unicode):
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return s.encode('utf8')
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except (TypeError, NameError, ValueError, KeyError), e:
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return 'Unprintable exception %s(%r): %s' \
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% (self.__class__.__name__,
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self.__dict__, str(e))
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class AlreadyBuilding(BzrError):
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_fmt = "The tree builder is already building a tree."
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class BzrCheckError(BzrError):
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_fmt = "Internal check failed: %(message)s"
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internal_error = True
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def __init__(self, message):
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BzrError.__init__(self)
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self.message = message
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class InvalidEntryName(BzrError):
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_fmt = "Invalid entry name: %(name)s"
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internal_error = True
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def __init__(self, name):
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BzrError.__init__(self)
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class InvalidRevisionNumber(BzrError):
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_fmt = "Invalid revision number %(revno)s"
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def __init__(self, revno):
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BzrError.__init__(self)
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class InvalidRevisionId(BzrError):
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_fmt = "Invalid revision-id {%(revision_id)s} in %(branch)s"
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def __init__(self, revision_id, branch):
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# branch can be any string or object with __str__ defined
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BzrError.__init__(self)
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self.revision_id = revision_id
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class ReservedId(BzrError):
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_fmt = "Reserved revision-id {%(revision_id)s}"
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def __init__(self, revision_id):
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self.revision_id = revision_id
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class NoSuchId(BzrError):
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_fmt = "The file id %(file_id)s is not present in the tree %(tree)s."
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def __init__(self, tree, file_id):
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BzrError.__init__(self)
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self.file_id = file_id
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class InventoryModified(BzrError):
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_fmt = ("The current inventory for the tree %(tree)r has been modified,"
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" so a clean inventory cannot be read without data loss.")
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internal_error = True
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def __init__(self, tree):
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class NoWorkingTree(BzrError):
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_fmt = "No WorkingTree exists for %(base)s."
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def __init__(self, base):
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BzrError.__init__(self)
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class NotBuilding(BzrError):
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_fmt = "Not currently building a tree."
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class NotLocalUrl(BzrError):
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_fmt = "%(url)s is not a local path."
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def __init__(self, url):
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class WorkingTreeAlreadyPopulated(BzrError):
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_fmt = """Working tree already populated in %(base)s"""
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internal_error = True
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def __init__(self, base):
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class BzrCommandError(BzrError):
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"""Error from user command"""
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internal_error = False
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# Error from malformed user command; please avoid raising this as a
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# generic exception not caused by user input.
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# I think it's a waste of effort to differentiate between errors that
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# are not intended to be caught anyway. UI code need not subclass
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# BzrCommandError, and non-UI code should not throw a subclass of
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# BzrCommandError. ADHB 20051211
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def __init__(self, msg):
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# Object.__str__() must return a real string
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# returning a Unicode string is a python error.
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if isinstance(msg, unicode):
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self.msg = msg.encode('utf8')
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class NotWriteLocked(BzrError):
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_fmt = """%(not_locked)r is not write locked but needs to be."""
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def __init__(self, not_locked):
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self.not_locked = not_locked
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class BzrOptionError(BzrCommandError):
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_fmt = "Error in command line options"
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class BadOptionValue(BzrError):
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_fmt = """Bad value "%(value)s" for option "%(name)s"."""
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def __init__(self, name, value):
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BzrError.__init__(self, name=name, value=value)
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class StrictCommitFailed(BzrError):
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_fmt = "Commit refused because there are unknown files in the tree"
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# XXX: Should be unified with TransportError; they seem to represent the
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class PathError(BzrError):
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_fmt = "Generic path error: %(path)r%(extra)s)"
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def __init__(self, path, extra=None):
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BzrError.__init__(self)
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self.extra = ': ' + str(extra)
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class NoSuchFile(PathError):
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_fmt = "No such file: %(path)r%(extra)s"
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class FileExists(PathError):
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_fmt = "File exists: %(path)r%(extra)s"
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class RenameFailedFilesExist(BzrError):
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"""Used when renaming and both source and dest exist."""
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_fmt = ("Could not rename %(source)s => %(dest)s because both files exist."
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def __init__(self, source, dest, extra=None):
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BzrError.__init__(self)
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self.source = str(source)
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self.dest = str(dest)
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self.extra = ' ' + str(extra)
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class NotADirectory(PathError):
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_fmt = "%(path)r is not a directory %(extra)s"
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class NotInWorkingDirectory(PathError):
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_fmt = "%(path)r is not in the working directory %(extra)s"
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class DirectoryNotEmpty(PathError):
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_fmt = "Directory not empty: %(path)r%(extra)s"
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class ReadingCompleted(BzrError):
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_fmt = ("The MediumRequest '%(request)s' has already had finish_reading "
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"called upon it - the request has been completed and no more "
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internal_error = True
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def __init__(self, request):
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self.request = request
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class ResourceBusy(PathError):
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_fmt = "Device or resource busy: %(path)r%(extra)s"
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class PermissionDenied(PathError):
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_fmt = "Permission denied: %(path)r%(extra)s"
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class InvalidURL(PathError):
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_fmt = "Invalid url supplied to transport: %(path)r%(extra)s"
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class InvalidURLJoin(PathError):
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_fmt = "Invalid URL join request: %(args)s%(extra)s"
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def __init__(self, msg, base, args):
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PathError.__init__(self, base, msg)
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self.args = [base] + list(args)
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class UnknownHook(BzrError):
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_fmt = "The %(type)s hook '%(hook)s' is unknown in this version of bzrlib."
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def __init__(self, hook_type, hook_name):
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BzrError.__init__(self)
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self.type = hook_type
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self.hook = hook_name
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class UnsupportedProtocol(PathError):
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_fmt = 'Unsupported protocol for url "%(path)s"%(extra)s'
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def __init__(self, url, extra):
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PathError.__init__(self, url, extra=extra)
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class ShortReadvError(PathError):
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_fmt = ("readv() read %(actual)s bytes rather than %(length)s bytes"
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" at %(offset)s for %(path)s%(extra)s")
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internal_error = True
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def __init__(self, path, offset, length, actual, extra=None):
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PathError.__init__(self, path, extra=extra)
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class PathNotChild(BzrError):
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_fmt = "Path %(path)r is not a child of path %(base)r%(extra)s"
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internal_error = True
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def __init__(self, path, base, extra=None):
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BzrError.__init__(self)
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self.extra = ': ' + str(extra)
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class InvalidNormalization(PathError):
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_fmt = "Path %(path)r is not unicode normalized"
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# TODO: This is given a URL; we try to unescape it but doing that from inside
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# the exception object is a bit undesirable.
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# TODO: Probably this behavior of should be a common superclass
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class NotBranchError(PathError):
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_fmt = "Not a branch: %(path)s"
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def __init__(self, path):
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import bzrlib.urlutils as urlutils
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self.path = urlutils.unescape_for_display(path, 'ascii')
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class NoSubmitBranch(PathError):
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_fmt = 'No submit branch available for branch "%(path)s"'
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def __init__(self, branch):
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import bzrlib.urlutils as urlutils
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self.path = urlutils.unescape_for_display(branch.base, 'ascii')
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class AlreadyBranchError(PathError):
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_fmt = "Already a branch: %(path)s."
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class BranchExistsWithoutWorkingTree(PathError):
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_fmt = "Directory contains a branch, but no working tree \
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(use bzr checkout if you wish to build a working tree): %(path)s"
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class AtomicFileAlreadyClosed(PathError):
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_fmt = ("'%(function)s' called on an AtomicFile after it was closed:"
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def __init__(self, path, function):
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PathError.__init__(self, path=path, extra=None)
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self.function = function
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class InaccessibleParent(PathError):
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_fmt = ("Parent not accessible given base %(base)s and"
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" relative path %(path)s")
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def __init__(self, path, base):
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PathError.__init__(self, path)
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class NoRepositoryPresent(BzrError):
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_fmt = "No repository present: %(path)r"
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def __init__(self, bzrdir):
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BzrError.__init__(self)
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self.path = bzrdir.transport.clone('..').base
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class FileInWrongBranch(BzrError):
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_fmt = "File %(path)s in not in branch %(branch_base)s."
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def __init__(self, branch, path):
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BzrError.__init__(self)
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self.branch_base = branch.base
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class UnsupportedFormatError(BzrError):
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_fmt = "Unsupported branch format: %(format)s\nPlease run 'bzr upgrade'"
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class UnknownFormatError(BzrError):
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_fmt = "Unknown branch format: %(format)r"
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class IncompatibleFormat(BzrError):
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_fmt = "Format %(format)s is not compatible with .bzr version %(bzrdir)s."
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def __init__(self, format, bzrdir_format):
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BzrError.__init__(self)
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self.bzrdir = bzrdir_format
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class IncompatibleRepositories(BzrError):
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_fmt = "Repository %(target)s is not compatible with repository"\
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def __init__(self, source, target):
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BzrError.__init__(self, target=target, source=source)
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class IncompatibleRevision(BzrError):
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_fmt = "Revision is not compatible with %(repo_format)s"
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def __init__(self, repo_format):
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BzrError.__init__(self)
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self.repo_format = repo_format
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class AlreadyVersionedError(BzrError):
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"""Used when a path is expected not to be versioned, but it is."""
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_fmt = "%(context_info)s%(path)s is already versioned"
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def __init__(self, path, context_info=None):
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"""Construct a new AlreadyVersionedError.
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:param path: This is the path which is versioned,
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which should be in a user friendly form.
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:param context_info: If given, this is information about the context,
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which could explain why this is expected to not be versioned.
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BzrError.__init__(self)
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if context_info is None:
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self.context_info = ''
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self.context_info = context_info + ". "
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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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class NotVersionedError(BzrError):
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"""Used when a path is expected to be versioned, but it is not."""
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_fmt = "%(context_info)s%(path)s is not versioned"
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def __init__(self, path, context_info=None):
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"""Construct a new NotVersionedError.
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:param path: This is the path which is not versioned,
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which should be in a user friendly form.
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:param context_info: If given, this is information about the context,
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which could explain why this is expected to be versioned.
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BzrError.__init__(self)
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if context_info is None:
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self.context_info = ''
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self.context_info = context_info + ". "
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class PathsNotVersionedError(BzrError):
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"""Used when reporting several paths which are not versioned"""
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_fmt = "Path(s) are not versioned: %(paths_as_string)s"
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def __init__(self, paths):
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from bzrlib.osutils import quotefn
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BzrError.__init__(self)
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self.paths_as_string = ' '.join([quotefn(p) for p in paths])
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class PathsDoNotExist(BzrError):
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_fmt = "Path(s) do not exist: %(paths_as_string)s%(extra)s"
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# used when reporting that paths are neither versioned nor in the working
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def __init__(self, paths, extra=None):
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from bzrlib.osutils import quotefn
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BzrError.__init__(self)
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self.paths_as_string = ' '.join([quotefn(p) for p in paths])
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self.extra = ': ' + str(extra)
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"""Specified object is not versioned."""
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class BadFileKindError(BzrError):
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_fmt = 'Cannot operate on "%(filename)s" of unsupported kind "%(kind)s"'
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def __init__(self, filename, kind):
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BzrError.__init__(self, filename=filename, kind=kind)
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class ForbiddenControlFileError(BzrError):
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_fmt = "Cannot operate on %(filename)s because it is a control file"
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class LockError(BzrError):
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_fmt = "Lock error: %(msg)s"
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internal_error = True
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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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# New code should prefer to raise specific subclasses
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def __init__(self, message):
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# Python 2.5 uses a slot for StandardError.message,
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# so use a different variable name
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# so it is exposed in self.__dict__
675
class LockActive(LockError):
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_fmt = "The lock for '%(lock_description)s' is in use and cannot be broken."
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internal_error = False
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def __init__(self, lock_description):
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self.lock_description = lock_description
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class CommitNotPossible(LockError):
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_fmt = "A commit was attempted but we do not have a write lock open."
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class AlreadyCommitted(LockError):
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_fmt = "A rollback was requested, but is not able to be accomplished."
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class ReadOnlyError(LockError):
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_fmt = "A write attempt was made in a read only transaction on %(obj)s"
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# TODO: There should also be an error indicating that you need a write
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# lock and don't have any lock at all... mbp 20070226
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def __init__(self, obj):
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class ReadOnlyLockError(LockError):
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_fmt = "Cannot acquire write lock on %(fname)s. %(msg)s"
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def __init__(self, fname, msg):
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LockError.__init__(self, '')
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class OutSideTransaction(BzrError):
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_fmt = ("A transaction related operation was attempted after"
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" the transaction finished.")
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class ObjectNotLocked(LockError):
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_fmt = "%(obj)r is not locked"
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# this can indicate that any particular object is not locked; see also
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# LockNotHeld which means that a particular *lock* object is not held by
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# the caller -- perhaps they should be unified.
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def __init__(self, obj):
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class ReadOnlyObjectDirtiedError(ReadOnlyError):
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_fmt = "Cannot change object %(obj)r in read only transaction"
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def __init__(self, obj):
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class UnlockableTransport(LockError):
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_fmt = "Cannot lock: transport is read only: %(transport)s"
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def __init__(self, transport):
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self.transport = transport
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class LockContention(LockError):
757
_fmt = "Could not acquire lock %(lock)s"
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# TODO: show full url for lock, combining the transport and relative
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internal_error = False
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def __init__(self, lock):
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class LockBroken(LockError):
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_fmt = ("Lock was broken while still open: %(lock)s"
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" - check storage consistency!")
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internal_error = False
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def __init__(self, lock):
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class LockBreakMismatch(LockError):
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_fmt = ("Lock was released and re-acquired before being broken:"
781
" %(lock)s: held by %(holder)r, wanted to break %(target)r")
783
internal_error = False
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def __init__(self, lock, holder, target):
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class LockNotHeld(LockError):
793
_fmt = "Lock not held: %(lock)s"
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internal_error = False
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def __init__(self, lock):
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class PointlessCommit(BzrError):
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_fmt = "No changes to commit"
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class UpgradeReadonly(BzrError):
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_fmt = "Upgrade URL cannot work with readonly URLs."
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class UpToDateFormat(BzrError):
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_fmt = "The branch format %(format)s is already at the most recent format."
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def __init__(self, format):
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BzrError.__init__(self)
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class StrictCommitFailed(Exception):
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_fmt = "Commit refused because there are unknowns in the tree."
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class NoSuchRevision(BzrError):
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_fmt = "Branch %(branch)s has no revision %(revision)s"
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internal_error = True
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def __init__(self, branch, revision):
832
BzrError.__init__(self, branch=branch, revision=revision)
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class NotLeftParentDescendant(BzrError):
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_fmt = ("Revision %(old_revision)s is not the left parent of"
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" %(new_revision)s, but branch %(branch_location)s expects this")
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internal_error = True
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def __init__(self, branch, old_revision, new_revision):
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BzrError.__init__(self, branch_location=branch.base,
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old_revision=old_revision,
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new_revision=new_revision)
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class NoSuchRevisionSpec(BzrError):
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_fmt = "No namespace registered for string: %(spec)r"
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def __init__(self, spec):
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BzrError.__init__(self, spec=spec)
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class NoSuchRevisionInTree(NoSuchRevision):
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"""When using Tree.revision_tree, and the revision is not accessible."""
859
_fmt = "The revision id %(revision_id)s is not present in the tree %(tree)s."
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def __init__(self, tree, revision_id):
862
BzrError.__init__(self)
864
self.revision_id = revision_id
867
class InvalidRevisionSpec(BzrError):
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_fmt = ("Requested revision: %(spec)r does not exist in branch:"
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" %(branch)s%(extra)s")
872
def __init__(self, spec, branch, extra=None):
873
BzrError.__init__(self, branch=branch, spec=spec)
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self.extra = '\n' + str(extra)
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class HistoryMissing(BzrError):
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_fmt = "%(branch)s is missing %(object_type)s {%(object_id)s}"
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class AppendRevisionsOnlyViolation(BzrError):
887
_fmt = ('Operation denied because it would change the main history,'
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' which is not permitted by the append_revisions_only setting on'
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' branch "%(location)s".')
891
def __init__(self, location):
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import bzrlib.urlutils as urlutils
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location = urlutils.unescape_for_display(location, 'ascii')
894
BzrError.__init__(self, location=location)
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class DivergedBranches(BzrError):
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_fmt = ("These branches have diverged."
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" Use the merge command to reconcile them.")
902
internal_error = False
904
def __init__(self, branch1, branch2):
905
self.branch1 = branch1
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self.branch2 = branch2
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class NotLefthandHistory(BzrError):
911
_fmt = "Supplied history does not follow left-hand parents"
913
internal_error = True
915
def __init__(self, history):
916
BzrError.__init__(self, history=history)
919
class UnrelatedBranches(BzrError):
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_fmt = ("Branches have no common ancestor, and"
922
" no merge base revision was specified.")
924
internal_error = False
927
class NoCommonAncestor(BzrError):
929
_fmt = "Revisions have no common ancestor: %(revision_a)s %(revision_b)s"
931
def __init__(self, revision_a, revision_b):
932
self.revision_a = revision_a
933
self.revision_b = revision_b
936
class NoCommonRoot(BzrError):
938
_fmt = ("Revisions are not derived from the same root: "
939
"%(revision_a)s %(revision_b)s.")
941
def __init__(self, revision_a, revision_b):
942
BzrError.__init__(self, revision_a=revision_a, revision_b=revision_b)
945
class NotAncestor(BzrError):
947
_fmt = "Revision %(rev_id)s is not an ancestor of %(not_ancestor_id)s"
949
def __init__(self, rev_id, not_ancestor_id):
950
BzrError.__init__(self, rev_id=rev_id,
951
not_ancestor_id=not_ancestor_id)
954
class InstallFailed(BzrError):
956
def __init__(self, revisions):
957
revision_str = ", ".join(str(r) for r in revisions)
958
msg = "Could not install revisions:\n%s" % revision_str
959
BzrError.__init__(self, msg)
960
self.revisions = revisions
963
class AmbiguousBase(BzrError):
965
def __init__(self, bases):
966
warn("BzrError AmbiguousBase has been deprecated as of bzrlib 0.8.",
968
msg = ("The correct base is unclear, because %s are all equally close"
970
BzrError.__init__(self, msg)
974
class NoCommits(BzrError):
976
_fmt = "Branch %(branch)s has no commits."
978
def __init__(self, branch):
979
BzrError.__init__(self, branch=branch)
982
class UnlistableStore(BzrError):
984
def __init__(self, store):
985
BzrError.__init__(self, "Store %s is not listable" % store)
989
class UnlistableBranch(BzrError):
991
def __init__(self, br):
992
BzrError.__init__(self, "Stores for branch %s are not listable" % br)
995
class BoundBranchOutOfDate(BzrError):
997
_fmt = ("Bound branch %(branch)s is out of date"
998
" with master branch %(master)s.")
1000
def __init__(self, branch, master):
1001
BzrError.__init__(self)
1002
self.branch = branch
1003
self.master = master
1006
class CommitToDoubleBoundBranch(BzrError):
1008
_fmt = ("Cannot commit to branch %(branch)s."
1009
" It is bound to %(master)s, which is bound to %(remote)s.")
1011
def __init__(self, branch, master, remote):
1012
BzrError.__init__(self)
1013
self.branch = branch
1014
self.master = master
1015
self.remote = remote
1018
class OverwriteBoundBranch(BzrError):
1020
_fmt = "Cannot pull --overwrite to a branch which is bound %(branch)s"
1022
def __init__(self, branch):
1023
BzrError.__init__(self)
1024
self.branch = branch
1027
class BoundBranchConnectionFailure(BzrError):
1029
_fmt = ("Unable to connect to target of bound branch %(branch)s"
1030
" => %(target)s: %(error)s")
1032
def __init__(self, branch, target, error):
1033
BzrError.__init__(self)
1034
self.branch = branch
1035
self.target = target
1039
class WeaveError(BzrError):
1041
_fmt = "Error in processing weave: %(message)s"
1043
def __init__(self, message=None):
1044
BzrError.__init__(self)
1045
self.message = message
1048
class WeaveRevisionAlreadyPresent(WeaveError):
1050
_fmt = "Revision {%(revision_id)s} already present in %(weave)s"
1052
def __init__(self, revision_id, weave):
1054
WeaveError.__init__(self)
1055
self.revision_id = revision_id
1059
class WeaveRevisionNotPresent(WeaveError):
1061
_fmt = "Revision {%(revision_id)s} not present in %(weave)s"
1063
def __init__(self, revision_id, weave):
1064
WeaveError.__init__(self)
1065
self.revision_id = revision_id
1069
class WeaveFormatError(WeaveError):
1071
_fmt = "Weave invariant violated: %(what)s"
1073
def __init__(self, what):
1074
WeaveError.__init__(self)
1078
class WeaveParentMismatch(WeaveError):
1080
_fmt = "Parents are mismatched between two revisions."
1083
class WeaveInvalidChecksum(WeaveError):
1085
_fmt = "Text did not match it's checksum: %(message)s"
1088
class WeaveTextDiffers(WeaveError):
1090
_fmt = ("Weaves differ on text content. Revision:"
1091
" {%(revision_id)s}, %(weave_a)s, %(weave_b)s")
1093
def __init__(self, revision_id, weave_a, weave_b):
1094
WeaveError.__init__(self)
1095
self.revision_id = revision_id
1096
self.weave_a = weave_a
1097
self.weave_b = weave_b
1100
class WeaveTextDiffers(WeaveError):
1102
_fmt = ("Weaves differ on text content. Revision:"
1103
" {%(revision_id)s}, %(weave_a)s, %(weave_b)s")
1105
def __init__(self, revision_id, weave_a, weave_b):
1106
WeaveError.__init__(self)
1107
self.revision_id = revision_id
1108
self.weave_a = weave_a
1109
self.weave_b = weave_b
1112
class VersionedFileError(BzrError):
1114
_fmt = "Versioned file error"
1117
class RevisionNotPresent(VersionedFileError):
1119
_fmt = "Revision {%(revision_id)s} not present in %(file_id)s."
1121
def __init__(self, revision_id, file_id):
1122
VersionedFileError.__init__(self)
1123
self.revision_id = revision_id
1124
self.file_id = file_id
1127
class RevisionAlreadyPresent(VersionedFileError):
1129
_fmt = "Revision {%(revision_id)s} already present in %(file_id)s."
1131
def __init__(self, revision_id, file_id):
1132
VersionedFileError.__init__(self)
1133
self.revision_id = revision_id
1134
self.file_id = file_id
1137
class KnitError(BzrError):
1141
internal_error = True
1144
class KnitHeaderError(KnitError):
1146
_fmt = "Knit header error: %(badline)r unexpected for file %(filename)s"
1148
def __init__(self, badline, filename):
1149
KnitError.__init__(self)
1150
self.badline = badline
1151
self.filename = filename
1154
class KnitCorrupt(KnitError):
1156
_fmt = "Knit %(filename)s corrupt: %(how)s"
1158
def __init__(self, filename, how):
1159
KnitError.__init__(self)
1160
self.filename = filename
1164
class KnitIndexUnknownMethod(KnitError):
1165
"""Raised when we don't understand the storage method.
1167
Currently only 'fulltext' and 'line-delta' are supported.
1170
_fmt = ("Knit index %(filename)s does not have a known method"
1171
" in options: %(options)r")
1173
def __init__(self, filename, options):
1174
KnitError.__init__(self)
1175
self.filename = filename
1176
self.options = options
1179
class NoSuchExportFormat(BzrError):
1181
_fmt = "Export format %(format)r not supported"
1183
def __init__(self, format):
1184
BzrError.__init__(self)
1185
self.format = format
1188
class TransportError(BzrError):
1190
_fmt = "Transport error: %(msg)s %(orig_error)s"
1192
def __init__(self, msg=None, orig_error=None):
1193
if msg is None and orig_error is not None:
1194
msg = str(orig_error)
1195
if orig_error is None:
1200
self.orig_error = orig_error
1201
BzrError.__init__(self)
1204
class TooManyConcurrentRequests(BzrError):
1206
_fmt = ("The medium '%(medium)s' has reached its concurrent request limit."
1207
" Be sure to finish_writing and finish_reading on the"
1208
" current request that is open.")
1210
internal_error = True
1212
def __init__(self, medium):
1213
self.medium = medium
1216
class SmartProtocolError(TransportError):
1218
_fmt = "Generic bzr smart protocol error: %(details)s"
1220
def __init__(self, details):
1221
self.details = details
1224
# A set of semi-meaningful errors which can be thrown
1225
class TransportNotPossible(TransportError):
1227
_fmt = "Transport operation not possible: %(msg)s %(orig_error)s"
1230
class ConnectionError(TransportError):
1232
_fmt = "Connection error: %(msg)s %(orig_error)s"
1235
class SocketConnectionError(ConnectionError):
1237
_fmt = "%(msg)s %(host)s%(port)s%(orig_error)s"
1239
def __init__(self, host, port=None, msg=None, orig_error=None):
1241
msg = 'Failed to connect to'
1242
if orig_error is None:
1245
orig_error = '; ' + str(orig_error)
1246
ConnectionError.__init__(self, msg=msg, orig_error=orig_error)
1251
self.port = ':%s' % port
1254
class ConnectionReset(TransportError):
1256
_fmt = "Connection closed: %(msg)s %(orig_error)s"
1259
class InvalidRange(TransportError):
1261
_fmt = "Invalid range access in %(path)s at %(offset)s."
1263
def __init__(self, path, offset):
1264
TransportError.__init__(self, ("Invalid range access in %s at %d"
1267
self.offset = offset
1270
class InvalidHttpResponse(TransportError):
1272
_fmt = "Invalid http response for %(path)s: %(msg)s"
1274
def __init__(self, path, msg, orig_error=None):
1276
TransportError.__init__(self, msg, orig_error=orig_error)
1279
class InvalidHttpRange(InvalidHttpResponse):
1281
_fmt = "Invalid http range %(range)r for %(path)s: %(msg)s"
1283
def __init__(self, path, range, msg):
1285
InvalidHttpResponse.__init__(self, path, msg)
1288
class InvalidHttpContentType(InvalidHttpResponse):
1290
_fmt = 'Invalid http Content-type "%(ctype)s" for %(path)s: %(msg)s'
1292
def __init__(self, path, ctype, msg):
1294
InvalidHttpResponse.__init__(self, path, msg)
1297
class RedirectRequested(TransportError):
1299
_fmt = '%(source)s is%(permanently)s redirected to %(target)s'
1301
def __init__(self, source, target, is_permament=False, qual_proto=None):
1302
self.source = source
1303
self.target = target
1305
self.permanently = ' permanently'
1307
self.permanently = ''
1308
self.is_permament = is_permament
1309
self._qualified_proto = qual_proto
1310
TransportError.__init__(self)
1312
def _requalify_url(self, url):
1313
"""Restore the qualified proto in front of the url"""
1314
# When this exception is raised, source and target are in
1315
# user readable format. But some transports may use a
1316
# different proto (http+urllib:// will present http:// to
1317
# the user. If a qualified proto is specified, the code
1318
# trapping the exception can get the qualified urls to
1319
# properly handle the redirection themself (creating a
1320
# new transport object from the target url for example).
1321
# But checking that the scheme of the original and
1322
# redirected urls are the same can be tricky. (see the
1323
# FIXME in BzrDir.open_from_transport for the unique use
1325
if self._qualified_proto is None:
1328
# The TODO related to NotBranchError mention that doing
1329
# that kind of manipulation on the urls may not be the
1330
# exception object job. On the other hand, this object is
1331
# the interface between the code and the user so
1332
# presenting the urls in different ways is indeed its
1335
proto, netloc, path, query, fragment = urlparse.urlsplit(url)
1336
return urlparse.urlunsplit((self._qualified_proto, netloc, path,
1339
def get_source_url(self):
1340
return self._requalify_url(self.source)
1342
def get_target_url(self):
1343
return self._requalify_url(self.target)
1346
class TooManyRedirections(TransportError):
1348
_fmt = "Too many redirections"
1350
class ConflictsInTree(BzrError):
1352
_fmt = "Working tree has conflicts."
1355
class ParseConfigError(BzrError):
1357
def __init__(self, errors, filename):
1358
if filename is None:
1360
message = "Error(s) parsing config file %s:\n%s" % \
1361
(filename, ('\n'.join(e.message for e in errors)))
1362
BzrError.__init__(self, message)
1365
class NoEmailInUsername(BzrError):
1367
_fmt = "%(username)r does not seem to contain a reasonable email address"
1369
def __init__(self, username):
1370
BzrError.__init__(self)
1371
self.username = username
1374
class SigningFailed(BzrError):
1376
_fmt = "Failed to gpg sign data with command %(command_line)r"
1378
def __init__(self, command_line):
1379
BzrError.__init__(self, command_line=command_line)
1382
class WorkingTreeNotRevision(BzrError):
1384
_fmt = ("The working tree for %(basedir)s has changed since"
1385
" the last commit, but weave merge requires that it be"
1388
def __init__(self, tree):
1389
BzrError.__init__(self, basedir=tree.basedir)
1392
class CantReprocessAndShowBase(BzrError):
1394
_fmt = ("Can't reprocess and show base, because reprocessing obscures "
1395
"the relationship of conflicting lines to the base")
1398
class GraphCycleError(BzrError):
1400
_fmt = "Cycle in graph %(graph)r"
1402
def __init__(self, graph):
1403
BzrError.__init__(self)
1407
class WritingCompleted(BzrError):
1409
_fmt = ("The MediumRequest '%(request)s' has already had finish_writing "
1410
"called upon it - accept bytes may not be called anymore.")
1412
internal_error = True
1414
def __init__(self, request):
1415
self.request = request
1418
class WritingNotComplete(BzrError):
1420
_fmt = ("The MediumRequest '%(request)s' has not has finish_writing "
1421
"called upon it - until the write phase is complete no "
1422
"data may be read.")
1424
internal_error = True
1426
def __init__(self, request):
1427
self.request = request
1430
class NotConflicted(BzrError):
1432
_fmt = "File %(filename)s is not conflicted."
1434
def __init__(self, filename):
1435
BzrError.__init__(self)
1436
self.filename = filename
1439
class MediumNotConnected(BzrError):
1441
_fmt = """The medium '%(medium)s' is not connected."""
1443
internal_error = True
1445
def __init__(self, medium):
1446
self.medium = medium
1449
class MustUseDecorated(Exception):
1451
_fmt = "A decorating function has requested its original command be used."
1454
class NoBundleFound(BzrError):
1456
_fmt = "No bundle was found in %(filename)s"
1458
def __init__(self, filename):
1459
BzrError.__init__(self)
1460
self.filename = filename
1463
class BundleNotSupported(BzrError):
1465
_fmt = "Unable to handle bundle version %(version)s: %(msg)s"
1467
def __init__(self, version, msg):
1468
BzrError.__init__(self)
1469
self.version = version
1473
class MissingText(BzrError):
1475
_fmt = ("Branch %(base)s is missing revision"
1476
" %(text_revision)s of %(file_id)s")
1478
def __init__(self, branch, text_revision, file_id):
1479
BzrError.__init__(self)
1480
self.branch = branch
1481
self.base = branch.base
1482
self.text_revision = text_revision
1483
self.file_id = file_id
1486
class DuplicateFileId(BzrError):
1488
_fmt = "File id {%(file_id)s} already exists in inventory as %(entry)s"
1490
def __init__(self, file_id, entry):
1491
BzrError.__init__(self)
1492
self.file_id = file_id
1496
class DuplicateKey(BzrError):
1498
_fmt = "Key %(key)s is already present in map"
1501
class MalformedTransform(BzrError):
1503
_fmt = "Tree transform is malformed %(conflicts)r"
1506
class NoFinalPath(BzrError):
1508
_fmt = ("No final name for trans_id %(trans_id)r\n"
1509
"file-id: %(file_id)r\n"
1510
"root trans-id: %(root_trans_id)r\n")
1512
def __init__(self, trans_id, transform):
1513
self.trans_id = trans_id
1514
self.file_id = transform.final_file_id(trans_id)
1515
self.root_trans_id = transform.root
1518
class BzrBadParameter(BzrError):
1520
_fmt = "Bad parameter: %(param)r"
1522
# This exception should never be thrown, but it is a base class for all
1523
# parameter-to-function errors.
1525
def __init__(self, param):
1526
BzrError.__init__(self)
1530
class BzrBadParameterNotUnicode(BzrBadParameter):
1532
_fmt = "Parameter %(param)s is neither unicode nor utf8."
1535
class ReusingTransform(BzrError):
1537
_fmt = "Attempt to reuse a transform that has already been applied."
1540
class CantMoveRoot(BzrError):
1542
_fmt = "Moving the root directory is not supported at this time"
1545
class BzrMoveFailedError(BzrError):
1547
_fmt = "Could not move %(from_path)s%(operator)s %(to_path)s%(extra)s"
1549
def __init__(self, from_path='', to_path='', extra=None):
1550
BzrError.__init__(self)
1552
self.extra = ': ' + str(extra)
1556
has_from = len(from_path) > 0
1557
has_to = len(to_path) > 0
1559
self.from_path = osutils.splitpath(from_path)[-1]
1564
self.to_path = osutils.splitpath(to_path)[-1]
1569
if has_from and has_to:
1570
self.operator = " =>"
1572
self.from_path = "from " + from_path
1574
self.operator = "to"
1576
self.operator = "file"
1579
class BzrRenameFailedError(BzrMoveFailedError):
1581
_fmt = "Could not rename %(from_path)s%(operator)s %(to_path)s%(extra)s"
1583
def __init__(self, from_path, to_path, extra=None):
1584
BzrMoveFailedError.__init__(self, from_path, to_path, extra)
1587
class BzrBadParameterNotString(BzrBadParameter):
1589
_fmt = "Parameter %(param)s is not a string or unicode string."
1592
class BzrBadParameterMissing(BzrBadParameter):
1594
_fmt = "Parameter $(param)s is required but not present."
1597
class BzrBadParameterUnicode(BzrBadParameter):
1599
_fmt = ("Parameter %(param)s is unicode but"
1600
" only byte-strings are permitted.")
1603
class BzrBadParameterContainsNewline(BzrBadParameter):
1605
_fmt = "Parameter %(param)s contains a newline."
1608
class DependencyNotPresent(BzrError):
1610
_fmt = 'Unable to import library "%(library)s": %(error)s'
1612
def __init__(self, library, error):
1613
BzrError.__init__(self, library=library, error=error)
1616
class ParamikoNotPresent(DependencyNotPresent):
1618
_fmt = "Unable to import paramiko (required for sftp support): %(error)s"
1620
def __init__(self, error):
1621
DependencyNotPresent.__init__(self, 'paramiko', error)
1624
class PointlessMerge(BzrError):
1626
_fmt = "Nothing to merge."
1629
class UninitializableFormat(BzrError):
1631
_fmt = "Format %(format)s cannot be initialised by this version of bzr."
1633
def __init__(self, format):
1634
BzrError.__init__(self)
1635
self.format = format
1638
class BadConversionTarget(BzrError):
1640
_fmt = "Cannot convert to format %(format)s. %(problem)s"
1642
def __init__(self, problem, format):
1643
BzrError.__init__(self)
1644
self.problem = problem
1645
self.format = format
1648
class NoDiff(BzrError):
1650
_fmt = "Diff is not installed on this machine: %(msg)s"
1652
def __init__(self, msg):
1653
BzrError.__init__(self, msg=msg)
1656
class NoDiff3(BzrError):
1658
_fmt = "Diff3 is not installed on this machine."
1661
class ExistingLimbo(BzrError):
1663
_fmt = """This tree contains left-over files from a failed operation.
1664
Please examine %(limbo_dir)s to see if it contains any files you wish to
1665
keep, and delete it when you are done."""
1667
def __init__(self, limbo_dir):
1668
BzrError.__init__(self)
1669
self.limbo_dir = limbo_dir
1672
class ImmortalLimbo(BzrError):
1674
_fmt = """Unable to delete transform temporary directory $(limbo_dir)s.
1675
Please examine %(limbo_dir)s to see if it contains any files you wish to
1676
keep, and delete it when you are done."""
1678
def __init__(self, limbo_dir):
1679
BzrError.__init__(self)
1680
self.limbo_dir = limbo_dir
1683
class OutOfDateTree(BzrError):
1685
_fmt = "Working tree is out of date, please run 'bzr update'."
1687
def __init__(self, tree):
1688
BzrError.__init__(self)
1692
class PublicBranchOutOfDate(BzrError):
1694
_fmt = 'Public branch "%(public_location)s" lacks revision '\
1697
def __init__(self, public_location, revstring):
1698
import bzrlib.urlutils as urlutils
1699
public_location = urlutils.unescape_for_display(public_location,
1701
BzrError.__init__(self, public_location=public_location,
1702
revstring=revstring)
1705
class MergeModifiedFormatError(BzrError):
1707
_fmt = "Error in merge modified format"
1710
class ConflictFormatError(BzrError):
1712
_fmt = "Format error in conflict listings"
1715
class CorruptRepository(BzrError):
1717
_fmt = ("An error has been detected in the repository %(repo_path)s.\n"
1718
"Please run bzr reconcile on this repository.")
1720
def __init__(self, repo):
1721
BzrError.__init__(self)
1722
self.repo_path = repo.bzrdir.root_transport.base
1725
class UpgradeRequired(BzrError):
1727
_fmt = "To use this feature you must upgrade your branch at %(path)s."
1729
def __init__(self, path):
1730
BzrError.__init__(self)
1734
class LocalRequiresBoundBranch(BzrError):
1736
_fmt = "Cannot perform local-only commits on unbound branches."
1739
class MissingProgressBarFinish(BzrError):
1741
_fmt = "A nested progress bar was not 'finished' correctly."
1744
class InvalidProgressBarType(BzrError):
1746
_fmt = ("Environment variable BZR_PROGRESS_BAR='%(bar_type)s"
1747
" is not a supported type Select one of: %(valid_types)s")
1749
def __init__(self, bar_type, valid_types):
1750
BzrError.__init__(self, bar_type=bar_type, valid_types=valid_types)
1753
class UnsupportedOperation(BzrError):
1755
_fmt = ("The method %(mname)s is not supported on"
1756
" objects of type %(tname)s.")
1758
def __init__(self, method, method_self):
1759
self.method = method
1760
self.mname = method.__name__
1761
self.tname = type(method_self).__name__
1764
class CannotSetRevisionId(UnsupportedOperation):
1765
"""Raised when a commit is attempting to set a revision id but cant."""
1768
class NonAsciiRevisionId(UnsupportedOperation):
1769
"""Raised when a commit is attempting to set a non-ascii revision id
1774
class BinaryFile(BzrError):
1776
_fmt = "File is binary but should be text."
1779
class IllegalPath(BzrError):
1781
_fmt = "The path %(path)s is not permitted on this platform"
1783
def __init__(self, path):
1784
BzrError.__init__(self)
1788
class TestamentMismatch(BzrError):
1790
_fmt = """Testament did not match expected value.
1791
For revision_id {%(revision_id)s}, expected {%(expected)s}, measured
1794
def __init__(self, revision_id, expected, measured):
1795
self.revision_id = revision_id
1796
self.expected = expected
1797
self.measured = measured
1800
class NotABundle(BzrError):
1802
_fmt = "Not a bzr revision-bundle: %(text)r"
1804
def __init__(self, text):
1805
BzrError.__init__(self)
1809
class BadBundle(BzrError):
1811
_fmt = "Bad bzr revision-bundle: %(text)r"
1813
def __init__(self, text):
1814
BzrError.__init__(self)
1818
class MalformedHeader(BadBundle):
1820
_fmt = "Malformed bzr revision-bundle header: %(text)r"
1823
class MalformedPatches(BadBundle):
1825
_fmt = "Malformed patches in bzr revision-bundle: %(text)r"
1828
class MalformedFooter(BadBundle):
1830
_fmt = "Malformed footer in bzr revision-bundle: %(text)r"
1833
class UnsupportedEOLMarker(BadBundle):
1835
_fmt = "End of line marker was not \\n in bzr revision-bundle"
1838
# XXX: BadBundle's constructor assumes there's explanatory text,
1839
# but for this there is not
1840
BzrError.__init__(self)
1843
class IncompatibleBundleFormat(BzrError):
1845
_fmt = "Bundle format %(bundle_format)s is incompatible with %(other)s"
1847
def __init__(self, bundle_format, other):
1848
BzrError.__init__(self)
1849
self.bundle_format = bundle_format
1853
class BadInventoryFormat(BzrError):
1855
_fmt = "Root class for inventory serialization errors"
1858
class UnexpectedInventoryFormat(BadInventoryFormat):
1860
_fmt = "The inventory was not in the expected format:\n %(msg)s"
1862
def __init__(self, msg):
1863
BadInventoryFormat.__init__(self, msg=msg)
1866
class RootNotRich(BzrError):
1868
_fmt = """This operation requires rich root data storage"""
1871
class NoSmartMedium(BzrError):
1873
_fmt = "The transport '%(transport)s' cannot tunnel the smart protocol."
1875
internal_error = True
1877
def __init__(self, transport):
1878
self.transport = transport
1881
class NoSmartServer(NotBranchError):
1883
_fmt = "No smart server available at %(url)s"
1885
def __init__(self, url):
1889
class UnknownSSH(BzrError):
1891
_fmt = "Unrecognised value for BZR_SSH environment variable: %(vendor)s"
1893
def __init__(self, vendor):
1894
BzrError.__init__(self)
1895
self.vendor = vendor
1898
class SSHVendorNotFound(BzrError):
1900
_fmt = ("Don't know how to handle SSH connections."
1901
" Please set BZR_SSH environment variable.")
1904
class GhostRevisionUnusableHere(BzrError):
1906
_fmt = "Ghost revision {%(revision_id)s} cannot be used here."
1908
def __init__(self, revision_id):
1909
BzrError.__init__(self)
1910
self.revision_id = revision_id
1913
class IllegalUseOfScopeReplacer(BzrError):
1915
_fmt = ("ScopeReplacer object %(name)r was used incorrectly:"
1916
" %(msg)s%(extra)s")
1918
internal_error = True
1920
def __init__(self, name, msg, extra=None):
1921
BzrError.__init__(self)
1925
self.extra = ': ' + str(extra)
1930
class InvalidImportLine(BzrError):
1932
_fmt = "Not a valid import statement: %(msg)\n%(text)s"
1934
internal_error = True
1936
def __init__(self, text, msg):
1937
BzrError.__init__(self)
1942
class ImportNameCollision(BzrError):
1944
_fmt = ("Tried to import an object to the same name as"
1945
" an existing object. %(name)s")
1947
internal_error = True
1949
def __init__(self, name):
1950
BzrError.__init__(self)
1954
class NotAMergeDirective(BzrError):
1955
"""File starting with %(firstline)r is not a merge directive"""
1956
def __init__(self, firstline):
1957
BzrError.__init__(self, firstline=firstline)
1960
class NoMergeSource(BzrError):
1961
"""Raise if no merge source was specified for a merge directive"""
1963
_fmt = "A merge directive must provide either a bundle or a public"\
1967
class PatchMissing(BzrError):
1968
"""Raise a patch type was specified but no patch supplied"""
1970
_fmt = "patch_type was %(patch_type)s, but no patch was supplied."
1972
def __init__(self, patch_type):
1973
BzrError.__init__(self)
1974
self.patch_type = patch_type
1977
class UnsupportedInventoryKind(BzrError):
1979
_fmt = """Unsupported entry kind %(kind)s"""
1981
def __init__(self, kind):
1985
class BadSubsumeSource(BzrError):
1987
_fmt = """Can't subsume %(other_tree)s into %(tree)s. %(reason)s"""
1989
def __init__(self, tree, other_tree, reason):
1991
self.other_tree = other_tree
1992
self.reason = reason
1995
class SubsumeTargetNeedsUpgrade(BzrError):
1997
_fmt = """Subsume target %(other_tree)s needs to be upgraded."""
1999
def __init__(self, other_tree):
2000
self.other_tree = other_tree
2003
class BadReferenceTarget(BzrError):
2005
_fmt = "Can't add reference to %(other_tree)s into %(tree)s. %(reason)s"
2007
internal_error = True
2009
def __init__(self, tree, other_tree, reason):
2011
self.other_tree = other_tree
2012
self.reason = reason
2015
class NoSuchTag(BzrError):
2017
_fmt = "No such tag: %(tag_name)s"
2019
def __init__(self, tag_name):
2020
self.tag_name = tag_name
2023
class TagsNotSupported(BzrError):
2025
_fmt = ("Tags not supported by %(branch)s;"
2026
" you may be able to use bzr upgrade.")
2028
def __init__(self, branch):
2029
self.branch = branch
2032
class TagAlreadyExists(BzrError):
2034
_fmt = "Tag %(tag_name)s already exists."
2036
def __init__(self, tag_name):
2037
self.tag_name = tag_name
47
"""Specified file is of a kind that cannot be added.
49
(For example a symlink or device file.)"""
53
class ForbiddenFileError(BzrError):
54
"""Cannot operate on a file because it is a control file."""
58
class LockError(Exception):
59
"""All exceptions from the lock/unlock functions should be from
60
this exception class. They will be translated as necessary. The
61
original exception is available as e.original_error
63
def __init__(self, e=None):
64
self.original_error = e
66
Exception.__init__(self, e)
68
Exception.__init__(self)
71
class PointlessCommit(Exception):
72
"""Commit failed because nothing was changed."""
added
removed
bzrlib/errors.py
