refactor

13_sachsen.py

-# https://www.geodaten.sachsen.de/batch-download-4719.html
-
-# https://geocloud.landesvermessung.sachsen.de/public.php/dav/files/AyJqXpJAZJXomCb/lod2_33278_5590_2_sn_citygml.zip
-
-# https://geodienste.sachsen.de/ags-relay/ArcGISServer/guest/arcgis/rest/services/geosn/rest_geosn_downloadlinks/MapServer/3
-
 import json
 from datetime import datetime
 
@@ -15,13 +9,10 @@ SACHSEN = Bundesland(
     "Sachsen",
     source="https://geodienste.sachsen.de/ags-relay/ArcGISServer/guest/arcgis/rest/services/geosn/rest_geosn_downloadlinks/MapServer/3/query",
     info="https://www.geodaten.sachsen.de/",
+    license="Landesamt für Geobasisinformation Sachsen (GeoSN), DL-DE->BY-2.0"
 )
 
 PAGE_SIZE = 1000  # Max amount for Sachsen Server
-all_tiles = []
-current_offset = 0
-
-print(f"Starting paged query to retrieve all tiles (page size: {PAGE_SIZE})...")
 
 
 def get_lod2_key(url: str) -> str:
@@ -44,14 +35,17 @@ def get_lod2_key(url: str) -> str:
         return "AyJqXpJAZJXomCb"
 
 
-keep_downloading = True
-citygmls = []
+if __name__ == "__main__":
+    print(f"Starting paged query to retrieve all tiles (page size: {PAGE_SIZE})...")
+    current_offset = 0
+    keep_downloading = True
+    citygmls = []
 
-KEY = get_lod2_key("https://www.geodaten.sachsen.de/batch-download-4719.html")
-DOWNLOAD_SERVER = f"https://geocloud.landesvermessung.sachsen.de/public.php/dav/files/{KEY}/"
+    KEY = get_lod2_key("https://www.geodaten.sachsen.de/batch-download-4719.html")
+    DOWNLOAD_SERVER = f"https://geocloud.landesvermessung.sachsen.de/public.php/dav/files/{KEY}/"
 
-while keep_downloading:
-    QUERY_PARAMS = {
+    while keep_downloading:
+        query_params = {
             "where": "1=1",
             "outFields": "Kachel,Download_CityGML,Stand",
             "f": "json",
@@ -61,7 +55,7 @@ while keep_downloading:
         }
 
         try:
-        response = requests.get(SACHSEN.source, params=QUERY_PARAMS)
+            response = requests.get(SACHSEN.source, params=query_params)
             response.raise_for_status()
             data = response.json()
             keep_downloading = data.get("exceededTransferLimit", False)
@@ -71,17 +65,10 @@ while keep_downloading:
             break
 
         if "features" in data and data["features"]:
-        import rich
-
-        print()
             for feature in data["features"]:
                 attributes = feature["attributes"]
-            import rich
-
-            rich.print(feature)
                 filename = attributes["Download_CityGML"].split("/")[-1]
                 year = int(attributes["Stand"].split("(")[0])
-            rich.print(feature, filename, year)
 
                 citygmls.append(
                     CityGMLWithDate(
@@ -93,7 +80,6 @@ while keep_downloading:
                     )
                 )
 
-            break
             current_offset += PAGE_SIZE
 
         else:
@@ -101,4 +87,4 @@ while keep_downloading:
                 print(f"❌ Error in response: {data['error']['message']}")
             break
 
-download_all_files(citygmls)
+    download_all_files(citygmls)