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Show all valid Eurostar connections

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This commit is contained in:
Edward Betts 2026-07-06 13:25:18 +01:00
parent 5272956050
commit c9aad7ad4c
2 changed files with 28 additions and 8 deletions
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33
tests/test_trip_planner.py
View file

@ -128,11 +128,11 @@ def test_max_connection_enforced() -> None:
# ---------------------------------------------------------------------------
# Only earliest valid Eurostar per GWR departure
# All valid Eurostars per National Rail departure
# ---------------------------------------------------------------------------
def test_only_earliest_eurostar_per_gwr() -> None:
def test_all_valid_eurostars_per_gwr() -> None:
es1 = {
"depart_st_pancras": "10:01",
"arrive_destination": "13:34",
@ -143,9 +143,8 @@ def test_only_earliest_eurostar_per_gwr() -> None:
"arrive_destination": "14:34",
"destination": "Paris Gare du Nord",
}
trips = combine_trips([GWR_FAST], [es1, es2], DATE)
assert len(trips) == 1
assert trips[0]["depart_st_pancras"] == "10:01"
trips = combine_trips([GWR_FAST], [es1, es2], DATE, max_connection_minutes=140)
assert [t["depart_st_pancras"] for t in trips] == ["10:01", "11:01"]
# ---------------------------------------------------------------------------
@ -295,3 +294,27 @@ def test_combine_inbound_trips_pairs_eurostar_to_paddington_departure() -> None:
assert trips[0]["arrive_uk_station"] == "18:55"
assert trips[0]["ticket_price"] == 63.60
assert trips[0]["check_in_by"] == "14:42"
def test_combine_inbound_trips_keeps_all_valid_paddington_departures() -> None:
eurostar = [
{
"depart_destination": "15:12",
"arrive_st_pancras": "16:30",
"destination": "Paris Gare du Nord",
}
]
gwr = [
{"depart_paddington": "17:15", "arrive_destination": "18:55"},
{"depart_paddington": "17:45", "arrive_destination": "19:25"},
]
trips = combine_inbound_trips(
eurostar,
gwr,
DATE,
min_connection_minutes=30,
max_connection_minutes=120,
)
assert [t["depart_paddington"] for t in trips] == ["17:15", "17:45"]

3
trip_planner.py
View file

@ -179,7 +179,6 @@ def combine_trips(
trips = []
for gwr in gwr_trains:
# Find only the earliest viable Eurostar for this GWR departure
for es in eurostar_trains:
connection = _is_viable_connection(
gwr,
@ -223,7 +222,6 @@ def combine_trips(
"ticket_code": fare["code"] if fare else None,
}
)
break # Only the earliest valid Eurostar per GWR departure
trips.sort(key=lambda t: (t["depart_bristol"], t["depart_st_pancras"]))
return trips
@ -289,7 +287,6 @@ def combine_inbound_trips(
"ticket_code": fare["code"] if fare else None,
}
)
break
trips.sort(key=lambda t: (t["depart_destination"], t["depart_paddington"]))
return trips