--- a/web/views/__init__.py	Thu Dec 12 16:17:25 2013 +0100
+++ b/web/views/__init__.py	Mon Jan 06 12:01:35 2014 +0100
@@ -25,6 +25,7 @@
 
 from rql import nodes
 from logilab.mtconverter import xml_escape
+from logilab.common.deprecation import class_deprecated
 
 
 def need_table_view(rset, schema):
@@ -125,7 +126,10 @@
     return u''
 
 
+
 class TmpFileViewMixin(object):
+    __metaclass__ = class_deprecated
+    __deprecation_warning__ = '[3.18] %(cls)s is deprecated'
     binary = True
     content_type = 'application/octet-stream'
     cache_max_age = 60*60*2 # stay in http cache for 2 hours by default

--- a/web/views/dotgraphview.py	Thu Dec 12 16:17:25 2013 +0100
+++ b/web/views/dotgraphview.py	Mon Jan 06 12:01:35 2014 +0100
@@ -22,6 +22,7 @@
 
 import tempfile
 import os
+import codecs
 
 from logilab.mtconverter import xml_escape
 from logilab.common.graph import GraphGenerator, DotBackend
@@ -33,30 +34,22 @@
     __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))
-        # map file
-        pmap, mapfile = tempfile.mkstemp(".map", graphname)
-        os.close(pmap)
         # image file
-        fd, tmpfile = tempfile.mkstemp('.png')
+        fd, tmpfile = tempfile.mkstemp('.svg')
         os.close(fd)
-        generator.generate(visitor, prophdlr, tmpfile, mapfile)
-        filekeyid = make_uid()
-        self._cw.session.data[filekeyid] = tmpfile
-        self.w(u'<img src="%s" alt="%s" usemap="#%s" />' % (
-            xml_escape(entity.absolute_url(vid='tmppng', tmpfile=filekeyid)),
-            xml_escape(self._cw._('Data connection graph for %s') % entity.dc_title()),
-            graphname))
-        stream = open(mapfile, 'r').read()
-        stream = stream.decode(self._cw.encoding)
-        self.w(stream)
-        os.unlink(mapfile)
+        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

--- a/web/views/schema.py	Thu Dec 12 16:17:25 2013 +0100
+++ b/web/views/schema.py	Mon Jan 06 12:01:35 2014 +0100
@@ -24,6 +24,7 @@
 
 import tempfile
 import os, os.path as osp
+import codecs
 
 from logilab.common.graph import GraphGenerator, DotBackend
 from logilab.common.ureports import Section, Table
@@ -40,7 +41,6 @@
 from cubicweb.view import EntityView, StartupView
 from cubicweb import tags, uilib
 from cubicweb.web import action, facet, schemaviewer
-from cubicweb.web.views import TmpFileViewMixin
 from cubicweb.web.views import uicfg, primary, baseviews, tabs, tableview, ibreadcrumbs
 
 ALWAYS_SKIP_TYPES = BASE_TYPES | SCHEMA_TYPES
@@ -625,6 +625,8 @@
     __regid__ = 'schemagraph'
 
     def call(self, etype=None, rtype=None, alt=''):
+        if 'MSIE 8' in self._cw.useragent():
+            return
         schema = self._cw.vreg.schema
         if etype:
             assert rtype is None
@@ -652,22 +654,12 @@
                                                   'splines':'true',
                                                   'sep':'0.2',
                                               }))
-        # map file
-        pmap, mapfile = tempfile.mkstemp(".map")
-        os.close(pmap)
-        # image file
-        fd, tmpfile = tempfile.mkstemp('.png')
+        # svg image file
+        fd, tmpfile = tempfile.mkstemp('.svg')
         os.close(fd)
-        generator.generate(visitor, prophdlr, tmpfile, mapfile)
-        filekeyid = make_uid()
-        self._cw.session.data[filekeyid] = tmpfile
-        self.w(u'<img src="%s" alt="%s" usemap="#schema" />' % (
-            xml_escape(self._cw.build_url(vid='tmppng', tmpfile=filekeyid)),
-            xml_escape(self._cw._(alt))))
-        stream = open(mapfile, 'r').read()
-        stream = stream.decode(self._cw.encoding)
-        self.w(stream)
-        os.unlink(mapfile)
+        generator.generate(visitor, prophdlr, tmpfile)
+        with codecs.open(tmpfile, 'rb', encoding='utf-8') as svgfile:
+            self.w(svgfile.read())
 
 # breadcrumbs ##################################################################
 

--- a/web/views/workflow.py	Thu Dec 12 16:17:25 2013 +0100
+++ b/web/views/workflow.py	Mon Jan 06 12:01:35 2014 +0100
@@ -29,6 +29,7 @@
 
 from logilab.mtconverter import xml_escape
 from logilab.common.graph import escape
+from logilab.common.deprecation import class_deprecated
 
 from cubicweb import Unauthorized
 from cubicweb.predicates import (has_related_entities, one_line_rset,
@@ -436,6 +437,8 @@
 
 
 class TmpPngView(TmpFileViewMixin, EntityView):
+    __metaclass__ = class_deprecated
+    __deprecation_warning__ = '[3.18] %(cls)s is deprecated'
     __regid__ = 'tmppng'
     __select__ = match_form_params('tmpfile')
     content_type = 'image/png'