Draft: Ingestion of SVOM ECLAIRS notices into LLAI workflow

This MR will ingest SVOM GRBs alerts detected by ECLAIRS instrument.

gwcelery/tasks/external_triggers.py

@@ -734,7+734,7 @@
     -------
     payload : str
         XML GCN notice alert packet in string format
 
     """
     # Define basic values
     pipeline = alert['mission']
     start_time = alert['trigger_time']
     alert_time = alert['alert_datetime']
     far = alert['far']
+    snr = alert['rate_snr']
     duration = alert['rate_duration']
     id = '_'.join(str(x) for x in alert['id'])
     # Use central time since starting time is not well measured
@@ -770,7 +771,7 @@ def _kafka_to_voevent(alert):
         fname = f'{pipeline.lower()}_subgrbtargeted_template.xml'
         ivorn_suffix = 'targeted_subthreshold'
     else:
-        fname = 'svom_grb_template_xml'
+        fname = 'svom_grb_template.xml'
         ivorn_suffix = 'grb'
 
     # Construct the full path to the template
@@ -791,7 +792,8 @@ def _kafka_to_voevent(alert):
     if pipeline.lower() in ['fermi', 'swift']:
         root.find("./What/Param[@name='TrigID']").attrib['value'] = str(id)
     else:
-        root.find("./What/Param[@name='Burst_Id']").attrib['value'] = str(id)
+        root.find("./Group[@name='Svom_Identifiers']"
+                  "/Param[@name='Burst_Id']").attrib['value'] = str(id)
 
     # Change times to chosen time
     root.find("./Who/Date").text = str(alert_time).encode()
@@ -803,14 +805,16 @@ def _kafka_to_voevent(alert):
         root.find("./What/Param[@name='FAR']").attrib['value'] = \
             (str(far).encode())
     else:
-        root.find("./What/Param[@name='SNR']").attrib['value'] = \
+        root.find("./Group[@name='Detection_Info']"
+                  "/Param[@name='SNR']").attrib['value'] = \
             (str(snr).encode())
 
     if pipeline.lower() in ['fermi', 'swift']:
         root.find("./What/Param[@name='Integ_Time']").attrib['value'] = \
             str(duration).encode()
     else:
-        root.find("./What/Param[@name='Timescale']").attrib['value'] = \
+        root.find("./Group[@name='Svom_Identifiers']"
+                  "/Param[@name='Timescale']").attrib['value'] = \
             (str(duration).encode())
 
     # Sky position