feat: 390 make sections optional (#391)

* chore: make sections optional

* test: add test for network config with only project and network section

ra2ce/network/network_config_data/network_config_data_reader.py

@@ -174,6 +174,9 @@ def get_network_section(self) -> NetworkSection:
 
     def get_origins_destinations_section(self) -> OriginsDestinationsSection:
         _section = "origins_destinations"
+        if _section not in self._parser:
+            return OriginsDestinationsSection()
+
         _od_section = OriginsDestinationsSection(**self._parser[_section])
         _od_section.origin_out_fraction = self._parser.getint(
             _section, "origin_out_fraction", fallback=_od_section.origin_out_fraction
@@ -187,12 +190,14 @@ def get_isolation_section(self) -> IsolationSection:
         _section = "isolation"
         if _section not in self._parser:
             return IsolationSection()
+
         return IsolationSection(**self._parser[_section])
 
     def get_hazard_section(self) -> HazardSection:
         _section = "hazard"
         if _section not in self._parser:
             return HazardSection()
+
         _hazard_section = HazardSection(**self._parser[_section])
         _hazard_section.hazard_map = list(
             map(
@@ -212,6 +217,8 @@ def get_hazard_section(self) -> HazardSection:
 
     def get_cleanup_section(self) -> CleanupSection:
         _section = "cleanup"
+        if _section not in self._parser:
+            return CleanupSection()
 
         _cleanup_section = CleanupSection()
         _cleanup_section.snapping_threshold = self._parser.getboolean(

tests/network/network_config_data/test_network_config_data_reader.py

@@ -30,6 +30,7 @@ def network_ini_filepath(self, request: pytest.FixtureRequest) -> Path:
         "network_ini_filepath",
         [
             pytest.param("1_network_shape"),
+            pytest.param("1_network_shape_minimal_config"),
             pytest.param("2_network_shape"),
             pytest.param("3_network_osm_download"),
         ],

tests/test_data/1_network_shape_minimal_config/network.ini

@@ -0,0 +1,13 @@
+[project]
+name = 1_network_shape_minimal_config
+
+[network]
+directed = False
+source = shapefile
+primary_file = test_network_domrep.shp
+diversion_file = None
+file_id = ID
+polygon = None
+network_type = drive
+road_types = motorway
+save_gpkg = True

tests/test_data/1_network_shape_minimal_config/static/network/test_network_domrep.cpg

@@ -0,0 +1 @@
+UTF-8

tests/test_data/1_network_shape_minimal_config/static/network/test_network_domrep.prj

@@ -0,0 +1 @@
+GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]