web/_exceptions.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Tue, 03 Jun 2014 14:43:07 +0200
changeset 9845 9c3ec404534f
parent 9791 32047f5f08ba
child 9984 793377697c81
permissions -rw-r--r--
[testlib] deprecate .remote_call and provide new connection api friendly .remote_calling
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# pylint: disable=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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# CubicWeb 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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__docformat__ = "restructuredtext en"
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import httplib
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from cubicweb._exceptions import *
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from cubicweb.utils import json_dumps
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class DirectResponse(Exception):
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    """Used to supply a twitted HTTP Response directly"""
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    def __init__(self, response):
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        self.response = response
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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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# Publish related exception
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class PublishException(CubicWebException):
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    """base class for publishing related exception"""
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    def __init__(self, *args, **kwargs):
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        self.status = kwargs.pop('status', httplib.OK)
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        super(PublishException, self).__init__(*args, **kwargs)
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class LogOut(PublishException):
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    """raised to ask for deauthentication of a logged in user"""
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    def __init__(self, url=None):
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        super(LogOut, self).__init__()
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        self.url = url
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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, status=httplib.SEE_OTHER):
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        super(Redirect, self).__init__(status=status)
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        self.location = location
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class StatusResponse(PublishException):
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    def __init__(self, status, content=''):
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        super(StatusResponse, self).__init__(status=status)
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        self.content = content
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    def __repr__(self):
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        return '%s(%r, %r)' % (self.__class__.__name__, self.status, self.content)
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# Publish related error
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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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    def __init__(self, *args, **kwargs):
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        kwargs.setdefault('status', httplib.BAD_REQUEST)
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        super(RequestError, self).__init__(*args, **kwargs)
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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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    def __init__(self, *args, **kwargs):
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        kwargs.setdefault('status', httplib.BAD_REQUEST)
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        super(NothingToEdit, self).__init__(*args, **kwargs)
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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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    def __init__(self, *args, **kwargs):
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        kwargs.setdefault('status', httplib.BAD_REQUEST)
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        super(ProcessFormError, self).__init__(*args, **kwargs)
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class NotFound(RequestError):
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    """raised when something was not found. In most case,
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       a 404 error should be returned"""
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    def __init__(self, *args, **kwargs):
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        kwargs.setdefault('status', httplib.NOT_FOUND)
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        super(NotFound, self).__init__(*args, **kwargs)
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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='', status=httplib.INTERNAL_SERVER_ERROR):
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        super(RemoteCallFailed, self).__init__(status=status)
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        self.reason = reason
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    def dumps(self):
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        return json_dumps({'reason': self.reason})