--- a/web/_exceptions.py	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,108 +0,0 @@
-# pylint: disable=W0401,W0614
-# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb 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 Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
-"""exceptions used in the core of the CubicWeb web application"""
-
-__docformat__ = "restructuredtext en"
-
-from six.moves import http_client
-
-from cubicweb._exceptions import *
-from cubicweb.utils import json_dumps
-
-
-class DirectResponse(Exception):
-    """Used to supply a twitted HTTP Response directly"""
-    def __init__(self, response):
-        self.response = response
-
-class InvalidSession(CubicWebException):
-    """raised when a session id is found but associated session is not found or
-    invalid"""
-
-# Publish related exception
-
-class PublishException(CubicWebException):
-    """base class for publishing related exception"""
-
-    def __init__(self, *args, **kwargs):
-        self.status = kwargs.pop('status', http_client.OK)
-        super(PublishException, self).__init__(*args, **kwargs)
-
-class LogOut(PublishException):
-    """raised to ask for deauthentication of a logged in user"""
-    def __init__(self, url=None):
-        super(LogOut, self).__init__()
-        self.url = url
-
-class Redirect(PublishException):
-    """raised to redirect the http request"""
-    def __init__(self, location, status=http_client.SEE_OTHER):
-        super(Redirect, self).__init__(status=status)
-        self.location = location
-
-class StatusResponse(PublishException):
-
-    def __init__(self, status, content=''):
-        super(StatusResponse, self).__init__(status=status)
-        self.content = content
-
-    def __repr__(self):
-        return '%s(%r, %r)' % (self.__class__.__name__, self.status, self.content)
-
-# Publish related error
-
-class RequestError(PublishException):
-    """raised when a request can't be served because of a bad input"""
-
-    def __init__(self, *args, **kwargs):
-        kwargs.setdefault('status', http_client.BAD_REQUEST)
-        super(RequestError, self).__init__(*args, **kwargs)
-
-
-class NothingToEdit(RequestError):
-    """raised when an edit request doesn't specify any eid to edit"""
-
-    def __init__(self, *args, **kwargs):
-        kwargs.setdefault('status', http_client.BAD_REQUEST)
-        super(NothingToEdit, self).__init__(*args, **kwargs)
-
-class ProcessFormError(RequestError):
-    """raised when posted data can't be processed by the corresponding field
-    """
-    def __init__(self, *args, **kwargs):
-        kwargs.setdefault('status', http_client.BAD_REQUEST)
-        super(ProcessFormError, self).__init__(*args, **kwargs)
-
-class NotFound(RequestError):
-    """raised when something was not found. In most case,
-       a 404 error should be returned"""
-
-    def __init__(self, *args, **kwargs):
-        kwargs.setdefault('status', http_client.NOT_FOUND)
-        super(NotFound, self).__init__(*args, **kwargs)
-
-class RemoteCallFailed(RequestError):
-    """raised when a json remote call fails
-    """
-    def __init__(self, reason='', status=http_client.INTERNAL_SERVER_ERROR):
-        super(RemoteCallFailed, self).__init__(reason, status=status)
-        self.reason = reason
-
-    def dumps(self):
-        return json_dumps({'reason': self.reason})