/brz/remove-bazaar

# errors.py -- errors for dulwich

# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>

# 

# 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; version 2

# of the License.

# 

# 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., 51 Franklin Street, Fifth Floor, Boston,

# MA  02110-1301, USA.

class WrongObjectException(Exception):

  """Baseclass for all the _ is not a _ exceptions on objects.

  Do not instantiate directly.

  Subclasses should define a _type attribute that indicates what

  was expected if they were raised.

  """

  def __init__(self, sha, *args, **kwargs):

    string = "%s is not a %s" % (sha, self._type)

    Exception.__init__(self, string)

class NotCommitError(WrongObjectException):

  """Indicates that the sha requested does not point to a commit."""

  _type = 'commit'

class NotTreeError(WrongObjectException):

  """Indicates that the sha requested does not point to a tree."""

  _type = 'tree'

class NotBlobError(WrongObjectException):

  """Indicates that the sha requested does not point to a blob."""

  _type = 'blob'

class MissingCommitError(Exception):

  """Indicates that a commit was not found in the repository"""

  def __init__(self, sha, *args, **kwargs):

    Exception.__init__(self, "%s is not in the revision store" % sha)