Remove corrupt zips

07_hessen.py

 # https://gds.hessen.de/INTERSHOP/web/WFS/HLBG-Geodaten-Site/de_DE/-/EUR/ViewDownloadcenter-Start?path=3D-Daten/3D-Geb%C3%A4udemodelle/3D-Geb%C3%A4udemodelle%20LoD2
 import json
+import zipfile
 from datetime import datetime
 from pathlib import Path
 from urllib.parse import quote
-import zipfile
 
 from citygml_download import TMP_DIR, Bundesland, CityGMLWithDate, download_all_files, download_file
 
@@ -26,12 +26,21 @@ class ZipFile(CityGMLWithDate):
         result = super().download(tmp_dir, max_retries, sleep)
         if result:
             output_folder = self.download_folder / self.path.stem
-            with zipfile.ZipFile(self.path, "r") as main_zip:
-                main_zip.extractall(output_folder)
-            for inner_zip_path in output_folder.glob('*.zip'):
+            try:
+                print(f"  Extracting {self.filename}", end="")
+                with zipfile.ZipFile(self.path, "r") as main_zip:
+                    main_zip.extractall(output_folder)
+            except zipfile.BadZipfile:
+                print(f"🛑 {self.path} is corrupt. Deleting")
+                self.path.unlink()
+                return False
+
+            for inner_zip_path in output_folder.glob("*.zip"):
                 with zipfile.ZipFile(inner_zip_path, "r") as inner_zip:
                     inner_zip.extractall(self.bundesland.download_folder)
-                print(f"    Extracted {inner_zip_path}")
+                print(".", end="", flush=True)
+            print()
+
         return result