diff -r 67f071c743f5 -r 84e31387a741 web/ldt/ldt_utils/models.py
--- a/web/ldt/ldt_utils/models.py	Thu Jun 10 04:16:26 2010 +0200
+++ b/web/ldt/ldt_utils/models.py	Thu Jun 10 11:17:09 2010 +0200
@@ -6,6 +6,7 @@
 import os
 import os.path
 import uuid
+import xml
 
 class Author(models.Model):
 
@@ -20,14 +21,15 @@
 
 class Content(models.Model):
     iri_id = models.CharField(max_length=1024, unique=True)
-    iriurl = models.URLField()
-    videopath = models.URLField(null=True, blank=True)
+    iriurl = models.CharField(max_length=1024)
+    src = models.CharField(max_length=1024)
+    videopath = models.CharField(max_length=1024, null=True, blank=True)
     creation_date = models.DateTimeField(auto_now_add=True)
     update_date = models.DateTimeField(auto_now=True)
     title = models.CharField(max_length=1024, null=True, blank=True)
     description = models.TextField(null=True, blank=True)
     external_id = models.CharField(max_length=1024, null=True, blank=True)
-    authors = models.ManyToManyField(Author)
+    authors = models.ManyToManyField(Author, blank=True)
     duration = models.IntegerField(null=True, blank=True)
 
     def get_duration(self):
@@ -36,7 +38,7 @@
             doc = Ft.Xml.Domlette.ConvertDocument(doc)        
             con = xml.xpath.Context.Context(doc, 1, 1, None)
             res = xml.xpath.Evaluate("/iri/body/medias/media[@id='video']/video", context=con)
-            self.duration = int(res[0].getAttributeNS(None, 'dur'))
+            self.duration = int(res[0].getAttributeNS(None, u'dur'))
             self.save()
         return self.duration
     
@@ -68,10 +70,10 @@
             return unicode(web_url) + unicode(settings.MEDIA_URL)+u"media/ldt/"+unicode(self.iriurl)
     
     def iri_file_path(self):
-        return os.path.join(os.path.join(os.path.join(os.path.join(settings.MEDIA_ROOT, "media"), "ldt"), self.iri_id), os.path.basename(self.iri.path))
+        return os.path.join(os.path.join(os.path.join(os.path.join(settings.MEDIA_ROOT, "media"), "ldt"), self.iri_id), os.path.basename(self.iriurl))
 
     def iri_url_template(self):
-        return "${web_url}${media_url}media/ldt/" + unicode(self.iri_id) + "/" + os.path.basename(self.iri.path)
+        return "${web_url}${media_url}media/ldt/" + unicode(self.iri_id) + "/" + os.path.basename(self.iriurl)
         
         
 class Project(Document):  
@@ -104,7 +106,7 @@
         con = xml.xpath.Context.Context(doc, 1, 1, None)
         res = xml.xpath.Evaluate("/iri/project", context=con)
         if len(res) > 0:
-            return res[0].getAttributeNS(None, 'abstract')
+            return res[0].getAttributeNS(None, u'abstract')
         else:
             return None