Add __hash__ methods to Station and Train

src/scraper/station.py

@@ -181,3 +181,6 @@ class Station:
             t.List[Train]: a list of trains departing from the station
         """
         return api.ViaggiaTrenoAPI._station_departures_or_arrivals("arrivi", self.code)
+
+    def __hash__(self) -> int:
+        return hash(self.name)

src/scraper/tests/test_station.py

@@ -105,3 +105,9 @@ def test_by_region(region_code):
             # Recheck with the *actually* correct _region_code:
             # sometimes the 'elencoStazioni' call can be misleading.
             assert station.region_code == Station._region_code(station.code)
+
+
+def test_hash():
+    milan: Station = Station.by_code("S01700")
+    rome: Station = Station.by_code("S08409")
+    assert hash(milan) != hash(rome)

src/scraper/tests/test_train.py

@@ -45,3 +45,9 @@ def test_unfetched_repr_2():
         }
     )
     assert repr(train) == "Treno [D] REG 10911 : Milano Centrale [S01700@1] -> ???"
+
+
+def test_hash():
+    milan: Station = Station.by_code("S01700")
+    train: Train = Train(10911, milan)
+    assert hash(train) is not None

src/scraper/train.py

@@ -152,3 +152,6 @@ class Train:
             f"{self.category} {self.number} : {self.origin} -> {self.destination}"
             f"\n{chr(10).join([str(stop) for stop in self.stops])}"
         )
+
+    def __hash__(self) -> int:
+        return hash(self.number) + hash(self.origin.code)