~azzar1/unity/add-show-desktop-key

# IVLE - Informatics Virtual Learning Environment

# Copyright (C) 2007-2009 The University of Melbourne

#

# 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 St, Fifth Floor, Boston, MA  02110-1301  USA

class HTTPError(Exception):

    '''A base class for all HTTP errors.'''

    message = None

    def __init__(self, message=None):

        # Only override the builtin one if it's actually specified.

        if message:

            self.message = message

class BadRequest(HTTPError):

    codename = 'Bad Request'

    message = 'Your browser sent a request that IVLE did not understand.'

    code = 400

class Unauthorized(HTTPError):

    codename = 'Unauthorized'

    message = 'You are not allowed to view this part of IVLE.'

    code = 401

class Forbidden(HTTPError):

    codename = 'Forbidden'

    message = 'You are not allowed to view this part of IVLE.'

    code = 403

class NotFound(HTTPError):

    codename = 'Not Found'

    message = 'The requested path does not exist.'

    code = 404

class MethodNotAllowed(HTTPError):

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

        self.allowed = allowed

        super(HTTPError, self).__init__(*args, **kwargs)

    codename = 'Method Not Allowed'

    message = '''Your browser sent a request to IVLE using the wrong method.

This is probably a bug in IVLE; please report it to the administrators.'''

    code = 405