⚡ Optimize CADC client capability status checks with concurrent execution

dtcli/utilities/cadcclient.py

@@ -3,6 +3,7 @@
 import logging
 import os
 import sys
+from concurrent.futures import ThreadPoolExecutor
 from io import StringIO
 from multiprocessing import Process  # Use the standard library only
 from typing import Any, Dict, List, Optional, Tuple
@@ -410,23 +411,25 @@ def status(
     ]
     if not certfile:
         certfile = procure(key="vospace_certfile")
-    minoc_status = False
-    luskan_status = False
-    for index, url in enumerate(urls):
+
+    def check_url(url: str) -> bool:
         response = requests.get(url, cert=certfile, allow_redirects=True)
         try:
             response.raise_for_status()
             authorised = response.headers.get("x-vo-authenticated")
             if isinstance(authorised, str):
-                if index == 0:
-                    minoc_status = True
-                else:
-                    luskan_status = True
+                return True
             else:
                 raise TypeError
         except HTTPError as error:
             logger.warning(error)
             logger.warning(f"{url.split('/')[3]} is down.")
+            return False
         except TypeError:
             logger.error("Canfar certificate is not valid.")
-    return minoc_status, luskan_status
+            return False
+
+    with ThreadPoolExecutor(max_workers=len(urls)) as executor:
+        results = list(executor.map(check_url, urls))
+
+    return results[0], results[1]