[meteofrance] allow to iter forecasts using town name in addition to city id

modules/meteofrance/module.py

@@ -46,4 +46,12 @@ class MeteofranceModule(Module, CapWeather):
         return self.browser.iter_city_search(pattern)
 
     def get_city(self, _id):
-        return find_object(self.iter_city_search(_id), id=_id, error=CityNotFound)
+        cities = list(self.iter_city_search(_id))
+
+        if len(cities) == 0:
+            raise CityNotFound()
+
+        try:
+            return find_object(cities, id=_id, error=CityNotFound)
+        except CityNotFound:
+            return cities[0]

modules/meteofrance/test.py

@@ -34,3 +34,6 @@ class MeteoFranceTest(BackendTest):
 
         forecasts = list(self.backend.iter_forecast(city.id))
         self.assertTrue(len(forecasts) > 0)
+
+        forecast2 = list(self.backend.iter_forecast('blagnac'))
+        self.assertTrue(len(forecast2) > 0)