Print stats after a purge

src/purge/purge_old_runs.py

@@ -14,11 +14,21 @@ def purge_old_runs(run_dir: str, max_age_hours: float = 1.0, prefix: str = "myru
     if not os.path.isabs(run_dir):
         raise ValueError(f"run_dir must be an absolute path: {run_dir}")
     
+    if not os.path.exists(run_dir):
+        logger.error(f"run_dir does not exist: {run_dir} -- skipping purge")
+        return
+    
+    logger.info("Running purge...")
     now = datetime.datetime.now()
     cutoff = now - datetime.timedelta(hours=max_age_hours)
 
+    count_deleted = 0
+    count_skip_without_prefix = 0
+    count_skip_recent = 0
+    count_error = 0
     for item in os.listdir(run_dir):
         if not item.startswith(prefix):
+            count_skip_without_prefix += 1
             continue  # Skip files and directories that don't match the prefix
 
         item_path = os.path.join(run_dir, item)
@@ -33,11 +43,15 @@ def purge_old_runs(run_dir: str, max_age_hours: float = 1.0, prefix: str = "myru
                     shutil.rmtree(item_path)  # Delete the directory and all its contents
                 else:
                     os.remove(item_path)  # Delete the file
+                count_deleted += 1
             else:
                 logger.debug(f"Skipping {item} in {run_dir}, last modified: {mtime}")
+                count_skip_recent += 1
 
         except Exception as e:
             logger.error(f"Error processing {item} in {run_dir}: {e}")
+            count_error += 1
+    logger.info(f"Purge complete: {count_deleted} deleted, {count_skip_recent} skipped (recent), {count_skip_without_prefix} skipped (no prefix), {count_error} errors")
 
 def start_purge_scheduler(run_dir: str, purge_interval_seconds: float = 3600, prefix: str = "myrun_") -> None:
     """
@@ -53,8 +67,6 @@ def start_purge_scheduler(run_dir: str, purge_interval_seconds: float = 3600, pr
         Schedules the purge_old_runs function to run periodically.
         """
         while True:
-            logger.info("Running purge...")
-            print("Running purge...")
             purge_old_runs(run_dir, prefix=prefix)
             time.sleep(purge_interval_seconds)