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#

#

# Copyright (C) 2006, 2007, 2008 Google Inc.

#

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

# 02110-1301, USA.

"""HTTP errors.

"""

class HTTPException(Exception):

  code = None

  message = None

  def __init__(self, message=None):

    if message is not None:

      self.message = message

class HTTPBadRequest(HTTPException):

  code = 400

class HTTPNotFound(HTTPException):

  code = 404

class HTTPInternalError(HTTPException):

  code = 500

class HTTPServiceUnavailable(HTTPException):

  code = 503