only check queue in submit_prod if proc table does not exist

py/desispec/scripts/submit_prod.py

@@ -245,17 +245,22 @@ def submit_production(production_yaml, queue_threshold=4500, dry_run_level=False
     all_nights = sorted(all_nights)
     log.info(f"Processing {all_nights=}")
     for night in sorted(all_nights):
+        ## If proctable exists, assume we've already completed that night
+        if os.path.exists(findfile('proctable', night=night, readonly=True)):
+            skipped_nights.append(night)
+            log.info(f"{night=} already has a proctable, skipping.")
+            continue
+
+        ## If the queue is too full, stop submitting nights
         num_in_queue = check_queue_count(user=user, include_scron=False,
                                          dry_run_level=dry_run_level)
-        ## In Jura the largest night had 115 jobs, to be conservative say 200 by default
+        ## In Jura the largest night had 115 jobs, to be conservative we submit
+        ## up to 4500 jobs (out of a 5000 limit) by default
         if num_in_queue > queue_threshold:
             log.info(f"{num_in_queue} jobs in the queue > {queue_threshold},"
                      + " so stopping the job submissions.")
             break
-        if os.path.exists(findfile('proctable', night=night, readonly=True)):
-            skipped_nights.append(night)
-            log.info(f"{night=} already has a proctable, skipping.")
-            continue
+
         ## We don't expect exposure tables to change during code execution here
         ## but we do expect processing tables to evolve, so clear that cache
         log.info(f"Processing {night=}")