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5 changed files with 22 additions and 109 deletions

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@ -44,17 +44,6 @@ async def get_gbpusd(config: flask.config.Config) -> Decimal:
return typing.cast(Decimal, 1 / data["quotes"]["USDGBP"]) return typing.cast(Decimal, 1 / data["quotes"]["USDGBP"])
def read_cached_rates(filename: str, currencies: list[str]) -> dict[str, Decimal]:
"""Read FX rates from cache."""
with open(filename) as file:
data = json.load(file, parse_float=Decimal)
return {
cur: Decimal(data["quotes"][f"GBP{cur}"])
for cur in currencies
if f"GBP{cur}" in data["quotes"]
}
def get_rates(config: flask.config.Config) -> dict[str, Decimal]: def get_rates(config: flask.config.Config) -> dict[str, Decimal]:
"""Get current values of exchange rates for a list of currencies against GBP.""" """Get current values of exchange rates for a list of currencies against GBP."""
currencies = config["CURRENCIES"] currencies = config["CURRENCIES"]
@ -76,19 +65,22 @@ def get_rates(config: flask.config.Config) -> dict[str, Decimal]:
recent = datetime.strptime(recent_filename[:16], "%Y-%m-%d_%H:%M") recent = datetime.strptime(recent_filename[:16], "%Y-%m-%d_%H:%M")
delta = now - recent delta = now - recent
full_path = os.path.join(fx_dir, recent_filename)
if delta < timedelta(hours=12): if delta < timedelta(hours=12):
return read_cached_rates(full_path, currencies) full_path = os.path.join(fx_dir, recent_filename)
with open(full_path) as file:
data = json.load(file, parse_float=Decimal)
return {
cur: Decimal(data["quotes"][f"GBP{cur}"])
for cur in currencies
if f"GBP{cur}" in data["quotes"]
}
url = "http://api.exchangerate.host/live" url = "http://api.exchangerate.host/live"
params = {"currencies": currency_string, "source": "GBP", "access_key": access_key} params = {"currencies": currency_string, "source": "GBP", "access_key": access_key}
filename = f"{now_str}_{file_suffix}" filename = f"{now_str}_{file_suffix}"
try:
with httpx.Client() as client: with httpx.Client() as client:
response = client.get(url, params=params) response = client.get(url, params=params)
except httpx.ConnectError:
return read_cached_rates(full_path, currencies)
with open(os.path.join(fx_dir, filename), "w") as file: with open(os.path.join(fx_dir, filename), "w") as file:
file.write(response.text) file.write(response.text)

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@ -19,9 +19,9 @@ class UnknownStation(Exception):
pass pass
def load_travel(travel_type: str, plural: str, data_dir: str) -> list[StrDict]: def load_travel(travel_type: str, data_dir: str) -> list[StrDict]:
"""Read flight and train journeys.""" """Read flight and train journeys."""
items = travel.parse_yaml(plural, data_dir) items = travel.parse_yaml(travel_type + "s", data_dir)
for item in items: for item in items:
item["type"] = travel_type item["type"] = travel_type
return items return items
@ -31,7 +31,7 @@ def load_trains(
data_dir: str, route_distances: travel.RouteDistances | None = None data_dir: str, route_distances: travel.RouteDistances | None = None
) -> list[StrDict]: ) -> list[StrDict]:
"""Load trains.""" """Load trains."""
trains = load_travel("train", "trains", data_dir) trains = load_travel("train", data_dir)
stations = travel.parse_yaml("stations", data_dir) stations = travel.parse_yaml("stations", data_dir)
by_name = {station["name"]: station for station in stations} by_name = {station["name"]: station for station in stations}
@ -58,25 +58,6 @@ def load_trains(
return trains return trains
def load_ferries(data_dir: str) -> list[StrDict]:
"""Load ferries."""
ferries = load_travel("ferry", "ferries", data_dir)
terminals = travel.parse_yaml("ferry_terminals", data_dir)
by_name = {terminal["name"]: terminal for terminal in terminals}
for item in ferries:
assert item["from"] in by_name and item["to"] in by_name
from_terminal, to_terminal = by_name[item["from"]], by_name[item["to"]]
item["from_terminal"] = from_terminal
item["to_terminal"] = to_terminal
geojson = from_terminal["routes"].get(item["to"])
if geojson:
item["geojson_filename"] = geojson
return ferries
def depart_datetime(item: StrDict) -> datetime: def depart_datetime(item: StrDict) -> datetime:
depart = item["depart"] depart = item["depart"]
if isinstance(depart, datetime): if isinstance(depart, datetime):
@ -86,7 +67,7 @@ def depart_datetime(item: StrDict) -> datetime:
def load_flight_bookings(data_dir: str) -> list[StrDict]: def load_flight_bookings(data_dir: str) -> list[StrDict]:
"""Load flight bookings.""" """Load flight bookings."""
bookings = load_travel("flight", "flights", data_dir) bookings = load_travel("flight", data_dir)
airlines = yaml.safe_load(open(os.path.join(data_dir, "airlines.yaml"))) airlines = yaml.safe_load(open(os.path.join(data_dir, "airlines.yaml")))
airports = travel.parse_yaml("airports", data_dir) airports = travel.parse_yaml("airports", data_dir)
for booking in bookings: for booking in bookings:
@ -129,9 +110,7 @@ def build_trip_list(
yaml_trip_lookup = {item["trip"]: item for item in yaml_trip_list} yaml_trip_lookup = {item["trip"]: item for item in yaml_trip_list}
travel_items = sorted( travel_items = sorted(
load_flights(data_dir) load_flights(data_dir) + load_trains(data_dir, route_distances=route_distances),
+ load_trains(data_dir, route_distances=route_distances)
+ load_ferries(data_dir),
key=depart_datetime, key=depart_datetime,
) )
@ -190,22 +169,17 @@ def collect_trip_coordinates(trip: Trip) -> list[StrDict]:
stations = {} stations = {}
station_list = [] station_list = []
airports = {} airports = {}
ferry_terminals = {}
for t in trip.travel: for t in trip.travel:
if t["type"] == "train": if t["type"] == "train":
station_list += [t["from_station"], t["to_station"]] station_list += [t["from_station"], t["to_station"]]
for leg in t["legs"]: for leg in t["legs"]:
station_list.append(leg["from_station"]) station_list.append(leg["from_station"])
station_list.append(leg["to_station"]) station_list.append(leg["to_station"])
elif t["type"] == "flight": else:
assert t["type"] == "flight"
for field in "from_airport", "to_airport": for field in "from_airport", "to_airport":
if field in t: if field in t:
airports[t[field]["iata"]] = t[field] airports[t[field]["iata"]] = t[field]
else:
assert t["type"] == "ferry"
for field in "from_terminal", "to_terminal":
terminal = t[field]
ferry_terminals[terminal["name"]] = terminal
for s in station_list: for s in station_list:
if s["uic"] in stations: if s["uic"] in stations:
@ -231,12 +205,7 @@ def collect_trip_coordinates(trip: Trip) -> list[StrDict]:
if "latitude" in item and "longitude" in item if "latitude" in item and "longitude" in item
] ]
locations = [ for coord_type, coord_dict in ("station", stations), ("airport", airports):
("station", stations),
("airport", airports),
("ferry_terminal", ferry_terminals),
]
for coord_type, coord_dict in locations:
coords += [ coords += [
{ {
"name": s["name"], "name": s["name"],
@ -257,7 +226,7 @@ def latlon_tuple(stop: StrDict) -> tuple[float, float]:
def read_geojson(data_dir: str, filename: str) -> str: def read_geojson(data_dir: str, filename: str) -> str:
"""Read GeoJSON from file.""" """Read GeoJSON from file."""
return open(os.path.join(data_dir, filename + ".geojson")).read() return open(os.path.join(data_dir, "train_routes", filename + ".geojson")).read()
def get_trip_routes(trip: Trip) -> list[StrDict]: def get_trip_routes(trip: Trip) -> list[StrDict]:
@ -265,20 +234,6 @@ def get_trip_routes(trip: Trip) -> list[StrDict]:
routes = [] routes = []
seen_geojson = set() seen_geojson = set()
for t in trip.travel: for t in trip.travel:
if t["type"] == "ferry":
ferry_from, ferry_to = t["from_terminal"], t["to_terminal"]
key = "_".join(["ferry"] + sorted([ferry_from["name"], ferry_to["name"]]))
filename = os.path.join("ferry_routes", t["geojson_filename"])
routes.append(
{
"type": "train",
"key": key,
"geojson_filename": filename,
}
)
continue
if t["type"] == "flight": if t["type"] == "flight":
if "from_airport" not in t or "to_airport" not in t: if "from_airport" not in t or "to_airport" not in t:
continue continue
@ -317,7 +272,7 @@ def get_trip_routes(trip: Trip) -> list[StrDict]:
{ {
"type": "train", "type": "train",
"key": key, "key": key,
"geojson_filename": os.path.join("train_routes", geojson_filename), "geojson_filename": geojson_filename,
} }
) )

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@ -16,7 +16,6 @@ function emoji_icon(emoji) {
var icons = { var icons = {
"station": emoji_icon("🚉"), "station": emoji_icon("🚉"),
"airport": emoji_icon("✈️"), "airport": emoji_icon("✈️"),
"ferry_terminal": emoji_icon("✈️"),
"accommodation": emoji_icon("🏨"), "accommodation": emoji_icon("🏨"),
"conference": emoji_icon("🎤"), "conference": emoji_icon("🎤"),
"event": emoji_icon("🍷"), "event": emoji_icon("🍷"),

View file

@ -226,36 +226,3 @@
{% endif %} {% endif %}
</div> </div>
{% endmacro %} {% endmacro %}
{% macro ferry_row(item) %}
<div class="grid-item text-end">{{ item.depart.strftime("%a, %d %b %Y") }}</div>
<div class="grid-item">
{{ item.from }} &rarr; {{ item.to }}
</div>
<div class="grid-item">{{ item.depart.strftime("%H:%M") }}</div>
<div class="grid-item">
{% if item.arrive %}
{{ item.arrive.strftime("%H:%M") }}
{% if item.depart != item.arrive and item.arrive.date() != item.depart.date() %}+1 day{% endif %}
{% endif %}
</div>
<div class="grid-item"></div>
<div class="grid-item">{{ item.operator }}</div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item text-end">
{% if g.user.is_authenticated and item.price and item.currency %}
<span class="badge bg-info text-nowrap">{{ "{:,f}".format(item.price) }} {{ item.currency }}</span>
{% if item.currency != "GBP" %}
<span class="badge bg-info text-nowrap">{{ "{:,.2f}".format(item.price / fx_rate[item.currency]) }} GBP</span>
{% endif %}
{% endif %}
</div>
{# <div class="grid-item">{{ item | pprint }}</div> #}
{% endmacro %}

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@ -1,8 +1,8 @@
{% extends "base.html" %} {% extends "base.html" %}
{% from "macros.html" import trip_link, display_date_no_year, display_date, conference_row, accommodation_row, flight_row, train_row, ferry_row with context %} {% from "macros.html" import trip_link, display_date_no_year, display_date, conference_row, accommodation_row, flight_row, train_row with context %}
{% set row = { "flight": flight_row, "train": train_row, "ferry": ferry_row } %} {% set row = { "flight": flight_row, "train": train_row } %}
{% block title %}Trips - Edward Betts{% endblock %} {% block title %}Trips - Edward Betts{% endblock %}