Prefer ICAO flight number for some airlines

agenda/travel.py

@@ -60,11 +60,18 @@ def parse_yaml(travel_type: str, data_dir: str) -> TravelList:
 def get_flights(data_dir: str) -> list[Event]:
     """Get travel events."""
     bookings = parse_yaml("flights", data_dir)
+    airlines = parse_yaml("airlines", data_dir)
+    by_iata = {a["iata"]: a for a in airlines}
     events = []
     for booking in bookings:
         for item in booking["flights"]:
             if not item["depart"].date():
                 continue
+            airline = by_iata[item["airline"]]
+            item["airline_code"] = airline[
+                "iata" if not airline.get("flight_number_prefer_icao") else "icao"
+            ]
+
             e = Event(
                 date=item["depart"],
                 end_date=item.get("arrive"),
@@ -95,7 +102,7 @@ def get_trains(data_dir: str) -> list[Event]:
 
 def flight_number(flight: Leg) -> str:
     """Flight number."""
-    airline_code = flight["airline"]
+    airline_code = flight["airline_code"]
     # make sure this is the airline code, not the airline name
     assert " " not in airline_code and not any(c.islower() for c in airline_code)
 

agenda/trip.py

@@ -13,6 +13,14 @@ from agenda import travel
 from agenda.types import StrDict, Trip
 
 
+class Airline(typing.TypedDict, total=False):
+    """Airline."""
+
+    iata: str
+    icao: str
+    name: str
+
+
 def load_travel(travel_type: str, plural: str, data_dir: str) -> list[StrDict]:
     """Read flight and train journeys."""
     items = travel.parse_yaml(plural, data_dir)
@@ -85,7 +93,7 @@ def depart_datetime(item: StrDict) -> datetime:
 
 
 def process_flight(
-    flight: StrDict, iata: dict[str, str], airports: list[StrDict]
+    flight: StrDict, by_iata: dict[str, Airline], airports: list[StrDict]
 ) -> None:
     """Add airport detail, airline name and distance to flight."""
     if flight["from"] in airports:
@@ -93,7 +101,11 @@ def process_flight(
     if flight["to"] in airports:
         flight["to_airport"] = airports[flight["to"]]
     if "airline" in flight:
-        flight["airline_name"] = iata.get(flight["airline"], "[unknown]")
+        airline = by_iata[flight["airline"]]
+        flight["airline_detail"] = airline
+        flight["airline_code"] = airline[
+            "iata" if not airline.get("flight_number_prefer_icao") else "icao"
+        ]
 
     flight["distance"] = travel.flight_distance(flight)
 
@@ -102,11 +114,11 @@ def load_flight_bookings(data_dir: str) -> list[StrDict]:
     """Load flight bookings."""
     bookings = load_travel("flight", "flights", data_dir)
     airlines = yaml.safe_load(open(os.path.join(data_dir, "airlines.yaml")))
-    iata = {a["iata"]: a["name"] for a in airlines}
+    by_iata = {a["iata"]: a for a in airlines}
     airports = travel.parse_yaml("airports", data_dir)
     for booking in bookings:
         for flight in booking["flights"]:
-            process_flight(flight, iata, airports)
+            process_flight(flight, by_iata, airports)
     return bookings
 
 

templates/macros.html

@@ -118,7 +118,7 @@
   {% endfor %}
 
   {% for item in booking.flights %}
-    {% set full_flight_number = item.airline + item.flight_number %}
+    {% set full_flight_number = item.airline_code + item.flight_number %}
     {% set radarbox_url = "https://www.radarbox.com/data/flights/" + full_flight_number %}
     <div class="grid-item"></div>
     <div class="grid-item"></div>
@@ -147,7 +147,7 @@
 {% endmacro %}
 
 {% macro flight_row(item) %}
-  {% set full_flight_number = item.airline + item.flight_number %}
+  {% set full_flight_number = item.airline_code + item.flight_number %}
   {% set radarbox_url = "https://www.radarbox.com/data/flights/" + full_flight_number %}
   <div class="grid-item text-end">{{ item.depart.strftime("%a, %d %b %Y") }}</div>
   <div class="grid-item">{{ item.from }} &rarr; {{ item.to }}</div>
@@ -373,10 +373,10 @@
               &ndash;
               {{ e.end_loc }} {{ flag(trip, e.end_country.flag) }}
               {% if e.element_type == "flight" %}
-                {% set full_flight_number = e.detail.airline + e.detail.flight_number %}
+                {% set full_flight_number = e.detail.airline_code + e.detail.flight_number %}
                 {% set radarbox_url = "https://www.radarbox.com/data/flights/" + full_flight_number %}
                 <span class="text-nowrap"><strong>airline:</strong> {{ e.detail.airline_name }}</span>
-                <span class="text-nowrap"><strong>flight number:</strong> {{ e.detail.airline }}{{ e.detail.flight_number }}</span>
+                <span class="text-nowrap"><strong>flight number:</strong> {{ full_flight_number }}</span>
                 {% if e.detail.duration %}
                   <span class="text-nowrap"><strong>duration:</strong> {{ e.detail.duration }}</span>
                 {% endif %}
@@ -387,7 +387,7 @@
               {% endif %}
               {% if e.element_type == "flight" %}
                 <a href="https://www.flightradar24.com/data/flights/{{ full_flight_number | lower }}">flightradar24</a>
-                | <a href="https://uk.flightaware.com/live/flight/{{ full_flight_number | replace("U2", "EZY") }}">FlightAware</a>
+                | <a href="https://uk.flightaware.com/live/flight/{{ full_flight_number }}">FlightAware</a>
                 | <a href="{{ radarbox_url }}">radarbox</a>
               {% endif %}
             </div>

validate_yaml.py

@@ -162,9 +162,19 @@ def check_airlines() -> list[agenda.types.StrDict]:
     airlines = agenda.travel.parse_yaml("airlines", data_dir)
     print(len(airlines), "airlines")
     for airline in airlines:
-        assert airline.keys() == {"icao", "iata", "name"}
+        try:
-        assert len(airline["icao"]) == 3
+            keys = set(airline.keys())
-        assert len(airline["iata"]) == 2
+            keys.discard("flight_number_prefer_icao")
+            assert keys == {"icao", "iata", "name"}
+            iata, icao = airline["iata"], airline["icao"]
+            assert iata[0].isupper() and iata[1].isupper() or iata[1].isdigit()
+            assert icao.isupper()
+            assert len(iata) == 2 and len(icao) == 3
+            if "flight_number_prefer_icao" in airline:
+                assert isinstance(airline["flight_number_prefer_icao"], bool)
+        except AssertionError:
+            print(yaml.dump([airline]))
+            raise
 
     return airlines