address review comment

commonutils.py

@@ -2,6 +2,7 @@
 import os
 from neuron import h
 from pathlib import Path
+from typing import List
 
 def mkdir_p(path):
     try:
@@ -193,16 +194,23 @@ def write_report_config(output_file, report_name, target_name, report_type, repo
         # Write the array of integers to the file in binary format
         fp.write(struct.pack(f'{num_gids}i', *gids))
         fp.write(b'\n')
-        fp.write(b"1\n")
-        fp.write(b"default 0\n")
-        fp.write(b"spikes.h5\n")
+
+def write_spike_config(output_file: str, spike_filename: str,
+                       population_names: List[str], population_offsets: List[int]):
+    report_conf = Path(output_file)
+    num_population = len(population_names)
+    with report_conf.open("a") as fp:
+        fp.write(f"{num_population}\n")
+        for pop_name, offset in zip(population_names, population_offsets):
+            fp.write(f"{pop_name} {offset}\n")
+        fp.write(f"{spike_filename}\n")
 
 def write_sim_config(output_file, coredata_dir, report_conf, tstop):
     sim_conf = Path(output_file)
     sim_conf.parent.mkdir(parents=True, exist_ok=True)
     os.makedirs(coredata_dir, exist_ok=True)
     with sim_conf.open("w") as fp:
-        fp.write(f"outpath=./\n")
+        fp.write("outpath=./\n")
         fp.write(f"datpath=./{coredata_dir}\n")
         fp.write(f"tstop={tstop}\n")
         fp.write(f"report-conf='{report_conf}'\n")

ringtest.py

@@ -167,6 +167,7 @@ def prun(tstop):
             if settings.rank == 0:
                 write_report_config(report_conf_file, "soma.h5", "Mosaic", "compartment", "v",
                                     "mV", "SONATA", 2, 1, 0, tstop, list(range(ncell)))
+                write_spike_config(report_conf_file, "spikes.h5", ["default"], [0])
                 write_sim_config(sim_conf_file, "corenrn_data", report_conf_file, tstop)
             coreneuron.sim_config=sim_conf_file