web/_exceptions.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 28 Apr 2010 10:06:01 +0200
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proper licensing information (LGPL-2.1). Hope I get it right this time.
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# pylint: disable-msg=W0401,W0614
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# logilab-common is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""exceptions used in the core of the CubicWeb web application
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"""
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__docformat__ = "restructuredtext en"
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from cubicweb._exceptions import *
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class PublishException(CubicWebException):
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    """base class for publishing related exception"""
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class RequestError(PublishException):
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    """raised when a request can't be served because of a bad input"""
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class NothingToEdit(RequestError):
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    """raised when an edit request doesn't specify any eid to edit"""
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class ProcessFormError(RequestError):
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    """raised when posted data can't be processed by the corresponding field
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    """
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class NotFound(RequestError):
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    """raised when a 404 error should be returned"""
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class Redirect(PublishException):
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    """raised to redirect the http request"""
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    def __init__(self, location):
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        self.location = location
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class DirectResponse(Exception):
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    def __init__(self, response):
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        self.response = response
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class StatusResponse(Exception):
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    def __init__(self, status, content=''):
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        self.status = int(status)
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        self.content = content
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class ExplicitLogin(AuthenticationError):
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    """raised when a bad connection id is given or when an attempt to establish
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    a connection failed"""
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class InvalidSession(CubicWebException):
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    """raised when a session id is found but associated session is not found or
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    invalid
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    """
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class RemoteCallFailed(RequestError):
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    """raised when a json remote call fails
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    """
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    def __init__(self, reason=''):
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        super(RequestError, self).__init__()
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        self.reason = reason
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    def dumps(self):
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        from cubicweb.web import json
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        return json.dumps({'reason': self.reason})