--- a/web/views/dotgraphview.py	Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,74 +0,0 @@
-# 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/>.
-"""some basic stuff to build dot generated graph images"""
-
-__docformat__ = "restructuredtext en"
-from cubicweb import _
-
-import tempfile
-import os
-import codecs
-
-from logilab.mtconverter import xml_escape
-from logilab.common.graph import GraphGenerator, DotBackend
-
-from cubicweb.view import EntityView
-from cubicweb.utils import make_uid
-
-class DotGraphView(EntityView):
-    __abstract__ = True
-    backend_class = DotBackend
-    backend_kwargs = {'ratio': 'compress', 'size': '30,10'}
-
-    def cell_call(self, row, col):
-        if 'MSIE 8' in self._cw.useragent():
-            return
-        entity = self.cw_rset.get_entity(row, col)
-        visitor = self.build_visitor(entity)
-        prophdlr = self.build_dotpropshandler()
-        graphname = 'dotgraph%s' % str(entity.eid)
-        generator = GraphGenerator(self.backend_class(graphname, None,
-                                                      **self.backend_kwargs))
-        # image file
-        fd, tmpfile = tempfile.mkstemp('.svg')
-        os.close(fd)
-        generator.generate(visitor, prophdlr, tmpfile)
-        with codecs.open(tmpfile, 'rb', encoding='utf-8') as svgfile:
-            self.w(svgfile.read())
-
-    def build_visitor(self, entity):
-        raise NotImplementedError
-
-    def build_dotpropshandler(self):
-        return DotPropsHandler(self._cw)
-
-
-class DotPropsHandler(object):
-    def __init__(self, req):
-        self._ = req._
-
-    def node_properties(self, entity):
-        """return default DOT drawing options for a state or transition"""
-        return {'label': entity.dc_long_title(),
-                'href': entity.absolute_url(),
-                'fontname': 'Courier', 'fontsize': 10, 'shape':'box',
-                 }
-
-    def edge_properties(self, transition, fromstate, tostate):
-        return {'label': '', 'dir': 'forward',
-                'color': 'black', 'style': 'filled'}