Show warning if some files failed to download

major_projects_grabber/major_projects_grabber.py

@@ -17,6 +17,7 @@ import shutil
 import logging
 import requests
 import argparse
+import warnings
 from lxml import html
 from tqdm import tqdm
 from requests.exceptions import ConnectionError, InvalidURL
@@ -206,6 +207,15 @@ def main():
     # Tidy up console after tqdm
     print('\n')
 
+    # Check contents of log file
+    with open(log_name, 'r') as f:
+        log_data = f.read()
+
+    if log_data:
+        warnings.warn(
+            'Some files failed to download. See log for details.',
+            stacklevel=2)
+
 
 if __name__ == '__main__':
     main()