426 lines
16 KiB
Python
426 lines
16 KiB
Python
"""Identify busy events and gaps when nothing is scheduled."""
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import itertools
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import typing
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from datetime import date, datetime, timedelta
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import flask
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import pycountry
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from . import events_yaml, get_country, travel
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from .event import Event
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from .types import StrDict, Trip
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def busy_event(e: Event) -> bool:
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"""Busy."""
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if e.name not in {
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"event",
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"accommodation",
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"conference",
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"transport",
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"meetup",
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"party",
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"trip",
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"hackathon",
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}:
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return False
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if e.title in ("IA UK board meeting", "Mill Road Winter Fair"):
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return False
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if e.name == "conference" and not e.going:
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return False
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if not e.title:
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return True
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if e.title == "LHG Run Club" or "Third Thursday Social" in e.title:
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return False
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lc_title = e.title.lower()
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return (
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"rebels" not in lc_title
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and "south west data social" not in lc_title
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and "dorkbot" not in lc_title
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)
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def get_busy_events(
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start: date, config: flask.config.Config, trips: list[Trip]
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) -> list[Event]:
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"""Find busy events from a year ago to two years in the future."""
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last_year = start - timedelta(days=365)
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next_year = start + timedelta(days=2 * 365)
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my_data = config["PERSONAL_DATA"]
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events = events_yaml.read(my_data, last_year, next_year, skip_trips=True)
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for trip in trips:
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event_type = "trip"
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if trip.events and not trip.conferences:
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event_type = trip.events[0]["name"]
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elif len(trip.conferences) == 1 and trip.conferences[0].get("hackathon"):
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event_type = "hackathon"
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events.append(
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Event(
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name=event_type,
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title=trip.title + " " + trip.country_flags,
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date=trip.start,
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end_date=trip.end,
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url=flask.url_for("trip_page", start=trip.start.isoformat()),
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)
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)
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busy_events = [
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e
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for e in sorted(events, key=lambda e: e.as_date)
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if (e.as_date >= start or (e.end_date and e.end_as_date >= start))
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and e.as_date < next_year
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and busy_event(e)
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]
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return busy_events
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def get_location_for_date(
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target_date: date,
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trips: list[Trip],
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bookings: list[dict],
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accommodations: list[dict],
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airports: dict,
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) -> tuple[str, pycountry.db.Country | None]:
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"""Get location (city, country) for a specific date using travel history."""
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# UK airports that indicate being home
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uk_airports = {"LHR", "LGW", "STN", "LTN", "BRS", "BHX", "MAN", "EDI", "GLA"}
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# First check if currently on a trip
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for trip in trips:
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if trip.start <= target_date <= (trip.end or trip.start):
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# For trips, find the most recent flight or accommodation within the trip period
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# to determine exact location on the target date
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trip_most_recent_date = None
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trip_most_recent_location = None
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# Check flights within trip period
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trip_most_recent_datetime = None
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for booking in bookings:
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for flight in booking.get("flights", []):
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if "arrive" in flight:
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arrive_datetime_obj = flight["arrive"]
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if hasattr(arrive_datetime_obj, "date"):
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arrive_datetime = arrive_datetime_obj
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arrive_date = arrive_datetime_obj.date()
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elif isinstance(arrive_datetime_obj, str):
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arrive_datetime = datetime.fromisoformat(
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arrive_datetime_obj.replace("Z", "+00:00")
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)
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arrive_date = arrive_datetime.date()
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# Only consider flights within this trip and before target date
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if trip.start <= arrive_date <= target_date:
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# Compare both date and time to handle same-day flights correctly
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if (
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trip_most_recent_date is None
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or arrive_date > trip_most_recent_date
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or (
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arrive_date == trip_most_recent_date
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and (
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trip_most_recent_datetime is None
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or arrive_datetime > trip_most_recent_datetime
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)
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)
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):
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trip_most_recent_date = arrive_date
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trip_most_recent_datetime = arrive_datetime
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destination_airport = flight["to"]
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if destination_airport in uk_airports:
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trip_most_recent_location = (
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"Bristol",
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get_country("gb"),
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)
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else:
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airport_info = airports.get(destination_airport)
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if airport_info:
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location_name = airport_info.get(
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"city",
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airport_info.get(
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"name", destination_airport
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),
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)
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trip_most_recent_location = (
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location_name,
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get_country(
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airport_info.get("country", "gb")
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),
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)
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# Check accommodations within trip period
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for acc in accommodations:
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if "from" in acc:
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acc_date = acc["from"]
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if hasattr(acc_date, "date"):
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acc_date = acc_date.date()
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elif isinstance(acc_date, str):
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acc_date = datetime.fromisoformat(
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acc_date.replace("Z", "+00:00")
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).date()
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# Only consider accommodations within this trip and before/on target date
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if trip.start <= acc_date <= target_date:
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# Accommodation takes precedence over flights on the same date
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# or if it's genuinely more recent
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if (
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trip_most_recent_date is None
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or acc_date > trip_most_recent_date
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or acc_date == trip_most_recent_date
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):
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trip_most_recent_date = acc_date
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if acc.get("country") == "gb":
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trip_most_recent_location = (
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"Bristol",
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get_country("gb"),
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)
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else:
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trip_most_recent_location = (
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acc.get("location", "Unknown"),
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get_country(acc.get("country", "gb")),
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)
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# Return the most recent location within the trip, or fallback to first trip location
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if trip_most_recent_location:
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return trip_most_recent_location
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# Fallback to first location if no specific location found
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locations = trip.locations()
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if locations:
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city, country = locations[0]
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return (city, country)
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# Find most recent flight or accommodation before this date
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most_recent_location = None
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most_recent_date = None
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# Check flights
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most_recent_datetime = None
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for booking in bookings:
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for flight in booking.get("flights", []):
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if "arrive" in flight:
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arrive_datetime_obj = flight["arrive"]
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if hasattr(arrive_datetime_obj, "date"):
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arrive_datetime = arrive_datetime_obj
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arrive_date = arrive_datetime_obj.date()
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elif isinstance(arrive_datetime_obj, str):
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arrive_datetime = datetime.fromisoformat(
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arrive_datetime_obj.replace("Z", "+00:00")
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)
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arrive_date = arrive_datetime.date()
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if arrive_date <= target_date:
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# Compare both date and time to handle same-day flights correctly
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if (
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most_recent_date is None
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or arrive_date > most_recent_date
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or (
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arrive_date == most_recent_date
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and (
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most_recent_datetime is None
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or arrive_datetime > most_recent_datetime
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)
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)
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):
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most_recent_date = arrive_date
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most_recent_datetime = arrive_datetime
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destination_airport = flight["to"]
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# If arriving at UK airport, assume back home in Bristol
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if destination_airport in uk_airports:
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most_recent_location = ("Bristol", get_country("gb"))
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else:
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# Get destination airport location for non-UK arrivals
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airport_info = airports.get(destination_airport)
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if airport_info:
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location_name = airport_info.get(
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"city",
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airport_info.get("name", destination_airport),
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)
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most_recent_location = (
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location_name,
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get_country(airport_info.get("country", "gb")),
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)
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# Check accommodation - only override if accommodation is more recent
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for acc in accommodations:
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if "from" in acc:
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acc_date = acc["from"]
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if hasattr(acc_date, "date"):
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acc_date = acc_date.date()
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elif isinstance(acc_date, str):
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acc_date = datetime.fromisoformat(
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acc_date.replace("Z", "+00:00")
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).date()
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if acc_date <= target_date:
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# Only update if this accommodation is more recent than existing result
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if most_recent_date is None or acc_date > most_recent_date:
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most_recent_date = acc_date
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# For UK accommodation, use Bristol as location
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if acc.get("country") == "gb":
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most_recent_location = ("Bristol", get_country("gb"))
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else:
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most_recent_location = (
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acc.get("location", "Unknown"),
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get_country(acc.get("country", "gb")),
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)
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# Check for recent trips that have ended - prioritize this over individual travel data
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# This handles cases where you're traveling home after a trip (e.g. stopovers, connections)
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for trip in trips:
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if trip.end and trip.end < target_date:
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locations = trip.locations()
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if locations:
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final_city, final_country = locations[-1]
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days_since_trip = (target_date - trip.end).days
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# If trip ended in UK, you should be home now
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if hasattr(final_country, "alpha_2") and final_country.alpha_2 == "GB":
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return ("Bristol", get_country("gb"))
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# For short trips to nearby countries or international trips
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# (ended >=1 day ago), assume returned home if no subsequent travel data
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if (
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days_since_trip >= 1
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and hasattr(final_country, "alpha_2")
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and (
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# European countries (close by rail/ferry)
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final_country.alpha_2
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in {"BE", "NL", "FR", "DE", "CH", "AT", "IT", "ES"}
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# Nearby Balkan countries
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or final_country.alpha_2
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in {
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"GR",
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"AL",
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"XK",
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"HR",
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"SI",
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"MK",
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"BA",
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"ME",
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"RS",
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"BG",
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"RO",
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}
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# International trips (assume return home after trip ends)
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or final_country.alpha_2
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in {"US", "CA", "IN", "JP", "CN", "AU", "NZ", "BR", "AR", "ZA"}
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)
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):
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return ("Bristol", get_country("gb"))
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# Return most recent location or default to Bristol
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if most_recent_location:
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return most_recent_location
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return ("Bristol", get_country("gb"))
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def weekends(
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start: date, busy_events: list[Event], trips: list[Trip], data_dir: str
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) -> typing.Sequence[StrDict]:
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"""Next ten weekends."""
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weekday = start.weekday()
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# Calculate the difference to the next or previous Saturday
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if weekday == 6: # Sunday
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start_date = start - timedelta(days=1)
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else:
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start_date = start + timedelta(days=(5 - weekday))
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# Parse YAML files once for all location lookups
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bookings = travel.parse_yaml("flights", data_dir)
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accommodations = travel.parse_yaml("accommodation", data_dir)
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airports = travel.parse_yaml("airports", data_dir)
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weekends_info = []
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for i in range(52):
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saturday = start_date + timedelta(weeks=i)
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sunday = saturday + timedelta(days=1)
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saturday_events = [
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event
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for event in busy_events
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if event.end_date and event.as_date <= saturday <= event.end_as_date
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]
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sunday_events = [
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event
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for event in busy_events
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if event.end_date and event.as_date <= sunday <= event.end_as_date
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]
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saturday_location = get_location_for_date(
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saturday, trips, bookings, accommodations, airports
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)
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sunday_location = get_location_for_date(
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sunday, trips, bookings, accommodations, airports
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)
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weekends_info.append(
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{
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"date": saturday,
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"saturday": saturday_events,
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"sunday": sunday_events,
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"saturday_location": saturday_location,
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"sunday_location": sunday_location,
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}
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)
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return weekends_info
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def find_gaps(events: list[Event], min_gap_days: int = 3) -> list[StrDict]:
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"""Gaps of at least `min_gap_days` between events in a list of events."""
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# Sort events by start date
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gaps: list[tuple[date, date]] = []
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previous_event_end = None
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by_start_date = {
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d: list(on_day)
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for d, on_day in itertools.groupby(events, key=lambda e: e.as_date)
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}
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by_end_date = {
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d: list(on_day)
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for d, on_day in itertools.groupby(events, key=lambda e: e.end_as_date)
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}
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for event in events:
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# Use start date for current event
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start_date = event.as_date
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# If previous event exists, calculate the gap
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if previous_event_end:
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gap_days = (start_date - previous_event_end).days
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if gap_days >= (min_gap_days + 2):
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start_end = (
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previous_event_end + timedelta(days=1),
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start_date - timedelta(days=1),
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)
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gaps.append(start_end)
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# Update previous event end date
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end = event.end_as_date
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if not previous_event_end or end > previous_event_end:
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previous_event_end = end
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return [
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{
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"start": gap_start,
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"end": gap_end,
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"after": by_start_date[gap_end + timedelta(days=1)],
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"before": by_end_date[gap_start - timedelta(days=1)],
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}
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for gap_start, gap_end in gaps
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]
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