agenda/web_view.py

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#!/usr/bin/python3
"""Web page to show upcoming events."""
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import inspect
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import operator
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import os.path
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import sys
import traceback
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from datetime import date, datetime
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import flask
import werkzeug
import werkzeug.debug.tbtools
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import yaml
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import agenda.data
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import agenda.error_mail
import agenda.thespacedevs
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import agenda.trip
from agenda import format_list_with_ampersand, travel
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app = flask.Flask(__name__)
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app.debug = False
app.config.from_object("config.default")
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agenda.error_mail.setup_error_mail(app)
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@app.errorhandler(werkzeug.exceptions.InternalServerError)
def exception_handler(e: werkzeug.exceptions.InternalServerError) -> tuple[str, int]:
"""Handle exception."""
exec_type, exc_value, current_traceback = sys.exc_info()
assert exc_value
tb = werkzeug.debug.tbtools.DebugTraceback(exc_value)
summary = tb.render_traceback_html(include_title=False)
exc_lines = "".join(tb._te.format_exception_only())
last_frame = list(traceback.walk_tb(current_traceback))[-1][0]
last_frame_args = inspect.getargs(last_frame.f_code)
return (
flask.render_template(
"show_error.html",
plaintext=tb.render_traceback_text(),
exception=exc_lines,
exception_type=tb._te.exc_type.__name__,
summary=summary,
last_frame=last_frame,
last_frame_args=last_frame_args,
),
500,
)
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@app.route("/")
async def index() -> str:
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"""Index page."""
now = datetime.now()
data = await agenda.data.get_data(now, app.config)
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return flask.render_template("index.html", today=now.date(), **data)
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@app.route("/launches")
async def launch_list() -> str:
"""Web page showing List of space launches."""
now = datetime.now()
data_dir = app.config["DATA_DIR"]
rocket_dir = os.path.join(data_dir, "thespacedevs")
rockets = await agenda.thespacedevs.get_launches(rocket_dir, limit=100)
return flask.render_template("launches.html", rockets=rockets, now=now)
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@app.route("/gaps")
async def gaps_page() -> str:
"""List of available gaps."""
now = datetime.now()
data = await agenda.data.get_data(now, app.config)
return flask.render_template("gaps.html", today=now.date(), gaps=data["gaps"])
@app.route("/travel")
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def travel_list() -> str:
"""Page showing a list of upcoming travel."""
data_dir = app.config["PERSONAL_DATA"]
flights = travel.parse_yaml("flights", data_dir)
trains = travel.parse_yaml("trains", data_dir)
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return flask.render_template("travel.html", flights=flights, trains=trains)
def as_date(d: date | datetime) -> date:
"""Date of event."""
return d.date() if isinstance(d, datetime) else d
@app.route("/conference")
def conference_list() -> str:
"""Page showing a list of conferences."""
data_dir = app.config["PERSONAL_DATA"]
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filepath = os.path.join(data_dir, "conferences.yaml")
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item_list = yaml.safe_load(open(filepath))
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today = date.today()
conference_trip_lookup = {}
for trip in agenda.trip.build_trip_list():
for trip_conf in trip.conferences:
key = (trip_conf["start"], trip_conf["name"])
conference_trip_lookup[key] = trip
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for conf in item_list:
conf["start_date"] = as_date(conf["start"])
conf["end_date"] = as_date(conf["end"])
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key = (conf["start"], conf["name"])
if this_trip := conference_trip_lookup.get(key):
conf["linked_trip"] = this_trip
item_list.sort(key=operator.itemgetter("start_date"))
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current = [
conf
for conf in item_list
if conf["start_date"] <= today and conf["end_date"] >= today
]
past = [conf for conf in item_list if conf["end_date"] < today]
future = [conf for conf in item_list if conf["start_date"] > today]
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return flask.render_template(
"conference_list.html",
current=current,
past=past,
future=future,
today=today,
get_country=agenda.get_country,
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)
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@app.route("/accommodation")
def accommodation_list() -> str:
"""Page showing a list of past, present and future accommodation."""
data_dir = app.config["PERSONAL_DATA"]
items = travel.parse_yaml("accommodation", data_dir)
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stays_in_2024 = [item for item in items if item["from"].year == 2024]
total_nights_2024 = sum(
(stay["to"].date() - stay["from"].date()).days for stay in stays_in_2024
)
nights_abroad_2024 = sum(
(stay["to"].date() - stay["from"].date()).days
for stay in stays_in_2024
if stay["country"] != "gb"
)
trip_lookup = {}
for trip in agenda.trip.build_trip_list():
for trip_stay in trip.accommodation:
key = (trip_stay["from"], trip_stay["name"])
trip_lookup[key] = trip
for item in items:
key = (item["from"], item["name"])
if this_trip := trip_lookup.get(key):
item["linked_trip"] = this_trip
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return flask.render_template(
"accommodation.html",
items=items,
total_nights_2024=total_nights_2024,
nights_abroad_2024=nights_abroad_2024,
get_country=agenda.get_country,
)
@app.route("/trip")
def trip_list() -> str:
"""Page showing a list of trips."""
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trip_list = agenda.trip.build_trip_list()
today = date.today()
current = [
item
for item in trip_list
if item.start <= today and (item.end or item.start) >= today
]
past = [item for item in trip_list if (item.end or item.start) < today]
future = [item for item in trip_list if item.start > today]
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future_coordinates, future_routes = agenda.trip.get_coordinates_and_routes(future)
past_coordinates, past_routes = agenda.trip.get_coordinates_and_routes(past)
return flask.render_template(
"trip_list.html",
current=current,
past=past,
future=future,
future_coordinates=future_coordinates,
future_routes=future_routes,
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past_coordinates=past_coordinates,
past_routes=past_routes,
today=today,
get_country=agenda.get_country,
format_list_with_ampersand=format_list_with_ampersand,
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)
@app.route("/trip/<start>")
def trip_page(start: str) -> str:
"""Individual trip page."""
trip_iter = iter(agenda.trip.build_trip_list())
today = date.today()
prev_trip = None
for trip in trip_iter:
if trip.start.isoformat() == start:
break
prev_trip = trip
next_trip = next(trip_iter, None)
if not trip:
flask.abort(404)
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coordinates = agenda.trip.collect_trip_coordinates(trip)
routes = agenda.trip.get_trip_routes(trip)
for route in routes:
if "geojson_filename" in route:
route["geojson"] = agenda.trip.read_geojson(route.pop("geojson_filename"))
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return flask.render_template(
"trip_page.html",
trip=trip,
prev_trip=prev_trip,
next_trip=next_trip,
today=today,
coordinates=coordinates,
routes=routes,
get_country=agenda.get_country,
format_list_with_ampersand=format_list_with_ampersand,
)
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if __name__ == "__main__":
app.run(host="0.0.0.0")