ws: encoded content in quoted-printable before sending it to log, to be sure it is ASCII compatible

polynum_blackboard/ws.py

@@ -44,7 +44,7 @@ class BlackboardConnector(object):
             try:
                 x = etree.XML(r.content.replace('ISO-8859-1', 'UTF-8'))
             except ExpatError:
-                logger.exception('ExpatError %s', r.content)
+                logger.exception('ExpatError in « %s »', r.content.encode('quopri_codec'))
                 return False, 'Erreur BlackBoard'
             info_message_elt = x.find('infoMessage')
             course_elts = x.findall('*/course')