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

@@ -741,6 +741,7 @@ def _kafka_to_voevent(alert):
     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
@@ -767,10 +768,10 @@ def _kafka_to_voevent(alert):
     # Load template based on the mission
     # FIXME: Need to adjust for targeted Fermi-Swift and SVOM/ECLAIRS GRBs
     if pipeline.lower() in ['fermi', 'swift']:
-        fname = f'{pipeline_lower()}_subgrbtargeted_template.xml'
+        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
@@ -799,11 +800,21 @@ def _kafka_to_voevent(alert):
                "ObservationLocation/AstroCoords/Time/TimeInstant/"
                "ISOTime")).text = str(trigger_time).encode()
 
-    root.find("./What/Param[@name='FAR']").attrib['value'] = \
-        str(far).encode()
+    if pipeline.lower() in ['fermi', 'swift']:
+        root.find("./What/Param[@name='FAR']").attrib['value'] = \
+            (str(far).encode())
+    else:
+        root.find("./Group[@name='Detection_Info']"
+                  "/Param[@name='SNR']").attrib['value'] = \
+            (str(snr).encode())
 
-    root.find("./What/Param[@name='Integ_Time']").attrib['value'] = \
-        str(duration).encode()
+    if pipeline.lower() in ['fermi', 'swift']:
+        root.find("./What/Param[@name='Integ_Time']").attrib['value'] = \
+            str(duration).encode()
+    else:
+        root.find("./Group[@name='Svom_Identifiers']"
+                  "/Param[@name='Timescale']").attrib['value'] = \
+            (str(duration).encode())
 
     # Sky position
     root.find(("./WhereWhen/ObsDataLocation/"