diff -r 000000000000 -r b97547f5f1fa goa/overrides/mttransforms.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/goa/overrides/mttransforms.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,47 @@
+"""mime type transformation engine for cubicweb, based on mtconverter
+
+:organization: Logilab
+:copyright: 2001-2008 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
+"""
+__docformat__ = "restructuredtext en"
+
+from logilab import mtconverter
+
+from logilab.mtconverter.engine import TransformEngine
+from logilab.mtconverter.transform import Transform
+from cubicweb.common.uilib import rest_publish, html_publish, remove_html_tags
+
+HTML_MIMETYPES = ('text/html', 'text/xhtml', 'application/xhtml+xml')
+# CubicWeb specific transformations
+
+class rest_to_html(Transform):
+    inputs = ('text/rest', 'text/x-rst')
+    output = 'text/html'
+    def _convert(self, trdata):
+        return rest_publish(trdata.appobject, trdata.decode())
+
+class html_to_html(Transform):
+    inputs = HTML_MIMETYPES
+    output = 'text/html'
+    def _convert(self, trdata):
+        return html_publish(trdata.appobject, trdata.data)
+
+
+# Instantiate and configure the transformation engine
+
+mtconverter.UNICODE_POLICY = 'replace'
+
+ENGINE = TransformEngine()
+ENGINE.add_transform(rest_to_html())
+ENGINE.add_transform(html_to_html())
+
+HAS_PIL_TRANSFORMS = False
+HAS_PYGMENTS_TRANSFORMS = False
+    
+class html_to_text(Transform):
+    inputs = HTML_MIMETYPES
+    output = 'text/plain'
+    def _convert(self, trdata):
+        return remove_html_tags(trdata.data)
+ENGINE.add_transform(html_to_text())