launch fixes and more small-fixes of launcher behavior

links_parser.py

@@ -1,7 +1,9 @@
 # Copyright Stanislav Mironov
 
 
+import random
 import re
+import time
 from urllib.parse import urljoin
 import requests
 from requests.structures import CaseInsensitiveDict
@@ -56,6 +58,9 @@ def parse_links(facultets):
             }
             print("Found in vstu.ru: ", record)
             EXCEL_LINKS.append(record)
+            st = random.randint(1, 10)/10
+            print(f"sleep {st}s")
+            time.sleep(st)
 
     return sorted(EXCEL_LINKS, key=lambda x: x['url'])