Some initial error handling for DEM/DTM

maps4fs/generator/dem.py

@@ -123,8 +123,7 @@ def process(self) -> None:
             data = self.dtm_provider.get_numpy()
         except Exception as e:  # pylint: disable=W0718
             self.logger.error("Failed to get DEM data from DTM provider: %s.", e)
-            self._save_empty_dem(dem_output_resolution)
-            return
+            raise e
 
         if len(data.shape) != 2:
             self.logger.error("DTM provider returned incorrect data: more than 1 channel.")

maps4fs/generator/dtm/denmark.py

@@ -36,6 +36,9 @@ class DenmarkProvider(WCSProvider, DTMProvider):
     _tile_size = 1000
 
     def get_wcs_parameters(self, tile):
+        if not self.user_settings.token:
+            raise ValueError("A token is required for this provider.")
+
         return {
             "identifier": "dhm_terraen",
             "bbox": (tile[1], tile[0], tile[3], tile[2]),

maps4fs/generator/dtm/finland.py

@@ -38,6 +38,9 @@ class FinlandProvider(WCSProvider, DTMProvider):
     )
 
     def get_wcs_instance_parameters(self):
+        if not self.user_settings.api_key:
+            raise ValueError("API Key is required for this provider.")
+
         settings = super().get_wcs_instance_parameters()
         settings["auth"] = Authentication(
             username=self.user_settings.api_key, password=self.user_settings.api_key

webui/generator.py

@@ -705,7 +705,7 @@ def generate_map(self) -> None:
         except Exception as e:
             self.logger.error("An error occurred while generating the map: %s", repr(e))
             self.status_container.error(
-                f"An error occurred while generating the map: {repr(e)}.", icon="❌"
+                f"An error occurred while generating the map: {str(e)}.", icon="❌"
             )
         finally:
             if self.public: