agenda/agenda/travel.py

77 lines
1.9 KiB
Python

"""Travel."""
import os
import typing
from datetime import date
import yaml
from .types import Event
Leg = dict[str, str]
def get(
from_date: date,
method: str,
filepath: str,
extra: typing.Callable[[Leg], str] | None = None,
) -> list[Event]:
"""Get travel events."""
def title(item: Leg) -> str:
ret = f'{method} from {item["from"]} to {item["to"]}'
if extra:
ret += f" ({extra(item)})"
return ret
return [
Event(
date=item["depart"],
end_date=item["arrive"],
name="transport",
title=title(item),
url=item.get("url"),
)
for item in yaml.safe_load(open(filepath))
if item["depart"].date() >= from_date
]
def get_trains(from_date: date, filepath: str) -> list[Event]:
"""Get train events."""
events: list[Event] = []
for item in yaml.safe_load(open(filepath)):
if item["depart"].date() < from_date:
continue
events += [
Event(
date=leg["depart"],
end_date=leg["arrive"],
name="transport",
title=f'train from {leg["from"]} to {leg["to"]}',
url=item.get("url"),
)
for leg in item["legs"]
]
return events
def flight_number(flight: Leg) -> str:
"""Flight number."""
airline_code = flight["airline"]
# 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)
return airline_code + flight["flight_number"]
def all_events(from_date: date, data_dir: str) -> list[Event]:
"""Get all flights and rail journeys."""
trains = get_trains(from_date, os.path.join(data_dir, "trains.yaml"))
flights = get(
from_date, "flight", os.path.join(data_dir, "flights.yaml"), extra=flight_number
)
return trains + flights