--- a/annot-server/utils.py	Sat Oct 25 05:43:01 2014 +0200
+++ b/annot-server/utils.py	Sat Oct 25 06:44:33 2014 +0200
@@ -117,19 +117,6 @@
                 self.end_date= self.parse_date(str(end_date))
         elif self.start_date and self.duration:
             self.end_date = self.start_date + datetime.timedelta(seconds=self.duration)
-        elif self.start_date and self.base_url:
-            # get duration from api
-            content_url = self.base_url + AnnotationsSynchronizer.LDT_CONTENT_REST_API_PATH + content_id + "/?format=json"
-            self.logger.debug("get duration " + content_url) #@UndefinedVariable
-            r = requests.get(content_url, params=self.post_param)
-            self.logger.debug("get duration resp " + repr(r)) #@UndefinedVariable
-            self.duration = int(r.json()['duration'])
-            self.logger.debug("get duration " + repr(self.duration)) #@UndefinedVariable
-
-            self.end_date = self.start_date + datetime.timedelta(seconds=int(self.duration/1000))
-
-        if self.end_date and self.deltas:
-            self.end_date = self.end_date + datetime.timedelta(milliseconds=self.deltas[-1][1])
 
         self.content_file = content_file
         self.project_id = project_id
@@ -239,8 +226,8 @@
 
 
         if ensemble_parent is None:
-            self.logger.error("Can not process file") #@UndefinedVariable
-            sys.exit()
+            self.logger.error("Ensemble parent is None - Can not process file") #@UndefinedVariable
+            raise Exception("Ensemble parent is None - can not process file")
 
         if self.replace:
             for ens in ensemble_parent.iterchildren(tag=u"ensemble"):
@@ -278,6 +265,25 @@
         decoupage_id = decoupage.get('id', '') if decoupage is not None else None
 
 
+        if self.end_date is None and self.start_date and self.base_url:
+            # get duration from api
+            content_url = self.base_url + AnnotationsSynchronizer.LDT_CONTENT_REST_API_PATH + content_id + "/?format=json"
+            self.logger.debug("get duration " + content_url) #@UndefinedVariable
+            r = requests.get(content_url, params=self.post_param)
+            self.logger.debug("get duration resp " + repr(r)) #@UndefinedVariable
+            if r.status_code == requests.codes.ok:
+                self.duration = int(r.json()['duration'])
+            else:
+                self.logger.error("Can not get duration form content : %r " % r)
+                r.raise_for_status()
+            self.logger.debug("get duration " + repr(self.duration)) #@UndefinedVariable
+
+            self.end_date = self.start_date + datetime.timedelta(seconds=int(self.duration/1000))
+
+        if self.end_date and self.deltas:
+            self.end_date = self.end_date + datetime.timedelta(milliseconds=self.deltas[-1][1])
+
+
         filters = self.get_filter()
 
 

--- a/annot-server/webapp/admin.py	Sat Oct 25 05:43:01 2014 +0200
+++ b/annot-server/webapp/admin.py	Sat Oct 25 06:44:33 2014 +0200
@@ -189,11 +189,16 @@
             'logger'       : logger,
         }
 
-        sync = utils.AnnotationsSynchronizer(**sync_args)
-        sync.export_annotations()
+        error = None
+        try:
+            sync = utils.AnnotationsSynchronizer(**sync_args)
+            sync.export_annotations()
+        except Exception as e:
+            error = repr(e) + " - " + str(e)
+
         logs = [ line for line in stream.getvalue().split("\n")]
 
-        return self.render('admin/sync_event_session.html', event_session=event_session, sync_args=repr(sync_args), logs=logs)
+        return self.render('admin/sync_event_session.html', event_session=event_session, sync_args=repr(sync_args), error=error, logs=logs)
 
 
 admin.add_view(EventView(database.db_session))

--- a/annot-server/webapp/templates/admin/sync_event_session.html	Sat Oct 25 05:43:01 2014 +0200
+++ b/annot-server/webapp/templates/admin/sync_event_session.html	Sat Oct 25 06:44:33 2014 +0200
@@ -2,6 +2,13 @@
 {% block body %}
     <h3>Sync on project {{event_session.project_id}}</h3>
 
+    {% if error %}
+    <h3 style="color: red">KO</h3>
+    <div>{{error}}</div>
+    {% else %}
+    <h3 style="color: green">Ok</h3>
+    {% endif %}
+
     <h4>Sync arguments</h4>
     <pre>
         {{sync_args}}