service.py

#!/usr/bin/env python3
from flask import Flask, render_template, abort, send_from_directory, redirect
from datetime import datetime, date, time, timedelta
from os import path, listdir, environ
from configparser import ConfigParser
import locale
app = Flask(__name__)
from misc import *
from busroute import reduce_schedule
import buses
regions = {}

def reset_locale():
	'''
		Resets the locale to system so that the system language settings
		do not mess with the formatting.
	'''
	locale.setlocale(locale.LC_ALL, locale.getdefaultlocale())

def activate_locale(language = None):
	'''
		Activates either the locale for the provided language, or the default locale.
		Returns such an object that resets the locale upon function exit.
	'''
	language = language or language_for_page()
	class result:
		def __enter__(self):
			if language:
				locale.setlocale(locale.LC_ALL, tr('locale', 'other', language = language))
		def __exit__(self, *args):
			reset_locale()
	return result()

def simplify_name(region_name, replace = False):
	region = regions.get(region_name)
	if region:
		if replace and 'replacement' in region:
			return simplify_name(region['replacement'])
		return tr(region.get('name', region_name), 'region_short_name', default = region.get('short_name', region_name))
	else:
		return tr(region_name, 'region_short_name')

reset_locale()

# Load translations
class Translator:
	def __init__(self, languages = None):
		self.languages = languages or dict()
	def load_language(self, file_path):
		language_name = path.splitext(path.basename(file_path))[0]
		ini = ConfigParser()
		ini.read(path.join(file_path))
		self.languages[language_name] = ini
	def __call__(self, name, *sections, language = None, default = None):
		language = language or language_for_page()
		for section in sections:
			try:
				print('Trying:', repr(language), repr(section), repr(name))
				return self.languages[language][section][name]
			except KeyError:
				try:
					return profile['tr:' + language + ':' + section][name]
				except KeyError:
					pass
		else:
			return default or (name[:1].upper() + name[1:])
	def load_region(self, region):
		for key, value in region.items():
			if ':' in key:
				name_type, language = key.split(':', 1)
				if name_type.endswith('name') and language != '':
					section = 'region_' + name_type
					if section not in self.languages[language]:
						self.languages[language][section] = {}
					print(repr(language), repr(section), repr(region['name']), '=', repr(value))
					self.languages[language][section][region['name']] = value
	def load_regions(self, regions):
		for region in regions.values():
			self.load_region(region)
	def __repr__(self):
		return 'Translator(languages = ' + repr(self.languages) + ')'

tr = Translator()
for file in listdir('tr'):
	tr.load_language(path.join('tr', file))

def language_for_page():
	'''
		Returns the code of which language to use for the page.
	'''
	from flask import request
	if request.args.get('untranslated') is not None:
		return None
	else:
		for language_name in tr.languages:
			if request.args.get(language_name) is not None:
				return language_name
		else:
			return request.accept_languages.best_match(tr.languages)

def sign_elements(schedule_entry, format = 'medium'):
	'''
		For an entry in a bus stop schedule, find out where the connection is leading to.
		Returns a list of places, possibly empty.
	'''
	from math import ceil
	trip_length = schedule_entry['trip'].length - schedule_entry['stop'].traveled_distance
	regions = schedule_entry['trip'].concise_schedule(schedule_entry['stop'])
	return [
		name
		for name in reduce_schedule(
			regions,
			trip_length = trip_length,
			format = format
		)
	]

def sign(schedule_entry, format = 'medium'):
	'''
		For an entry in a bus stop schedule, find out where the connection is leading to.
		Returns a string.
	'''
	sign = sign_elements(schedule_entry, format = format)
	if sign:
		return ' - '.join(tr(simplify_name(place), 'region_name', 'region_short_name') for place in sign)
	else:
		return schedule_entry['trip'].schedule[-1].stop.name

def long_form_sign(schedule_entry, format = 'long'):
	from math import ceil
	trip_length = schedule_entry['trip'].length - schedule_entry['stop'].traveled_distance
	sign = reduce_schedule(schedule_entry['trip'].concise_schedule(schedule_entry['stop']), trip_length = trip_length, format = format)
	if sign:
		return {
			'destination': tr(sign[-1], 'region_short_name'),
			'via': [tr(place, 'region_short_name') for place in sign[:-1]],
		}
	else:
		return {
			'destination': schedule_entry['trip'].schedule[-1].stop.name,
			'via': [],
		}
	

def imminent(schedule_entry):
	return (schedule_entry['time'] - now()) <= timedelta(minutes = 3)

def first_halt_in_trip_in_place(trip, place):
	for halt in trip.schedule:
		if halt.stop.region == place:
			return halt
	else:
		return None

place_abbreviations = ConfigParser()
place_abbreviations.read('abbreviations.ini')

def place_abbreviation(place):
	try:
		return place_abbreviations['abbreviations'][place]
	except KeyError:
		return place

def trip_description(trip):
	entries = [trip.from_place]
	old_places = None
	starting_halt = None
	while len(entries) < 3:
		remaining_length = trip.length
		if starting_halt:
			remaining_length -= starting_halt.traveled_distance
		places = reduce_schedule(trip.concise_schedule(starting_stop = starting_halt), trip_length = remaining_length, format = 'short')
		new_places = set(places) - set(entries)
		if not new_places or places == old_places:
			break
		for place in places:
			if place in new_places:
				starting_halt = first_halt_in_trip_in_place(trip, place)
				entries += [place]
				break
		old_places = places
	if trip.to_place not in entries:
		entries += [trip.to_place]
	return entries

def trip_abbreviation(trip):
	return trip.route.reference + ':' + '-'.join(map(place_abbreviation, trip_description(trip)))

def split_route_ref(route_ref):
	try:
		return list(parse_route_ref(route_ref))
	except ValueError:
		return ['', route_ref, '']

@app.route('/stop/<reference>')
def bus_stop_schedule(reference):
	from buses import bus_stops
	schedule = []
	try:
		bus_stop = bus_stops[reference]
	except KeyError:
		abort(404)
	for schedule_entry in bus_stop.schedule(max_amount = 100, max_past = 4, arrivals = True):
		route_ref = schedule_entry['trip'].route.reference
		schedule.append({
			'time': time_representation(schedule_entry['time']),
			'timestamp': int(schedule_entry['time'].timestamp()),
			'route': route_ref,
			'route-splice': split_route_ref(route_ref),
			'sign': sign(schedule_entry),
			'trip': schedule_entry['stop'].trip.name,
			'night': is_night_time(schedule_entry['time']),
			'imminent': imminent(schedule_entry),
			'id': str(schedule_entry['stop'].primary_key),
			'gone': schedule_entry['gone'],
		})
	return render_template(
		'stop.html',
		schedule = schedule,
		ref = bus_stop.code,
		name = bus_stop.code + ' ' + tr(bus_stop.name, 'bus-stops'),
		link_to_map = bus_stop.location.link_to_map,
		region = hasattr(bus_stop, 'region_name') and bus_stop.region or None,
		location = bus_stop.location,
		cluster = bus_stop.cluster.url_name if len(bus_stop.cluster.stops) > 1 else None,
		tr = tr,
		typename = bus_stop.typename,
		service = min(bus_stop.services),
	)

def week_schedule(bus_stop, start_date = today(), **kwargs):
	for i in range(7):
		try:
			yield from bus_stop.schedule_for_day(start_date + timedelta(i), **kwargs)
		except ValueError:
			# went outside bounds
			return

def route_key(route):
	match = re.search(r'^([a-zA-Z]*)(\d+)(.*)$', route)
	if match:
		groups = match.groups()
		return (groups[0], int(groups[1]), groups[2])
	else:
		return (route,)

def parse_route_ref(route_ref):
	from re import search
	match = search(r'^([^0-9]*)([0-9]+)(.*)$', route_ref)
	try:
		return match.group(1), int(match.group(2)), match.group(3)
	except AttributeError:
		raise ValueError(route_ref)

def condense_route_list(route_list):
	def prepare_range_pool(range_pool):
		if len(range_pool) < 3:
			yield from map(str, range_pool)
		else:
			yield str(min(range_pool)) + '-' + str(max(range_pool))
	range_pool = []
	for route in route_list:
		try:
			route_int = int(route)
		except ValueError:
			yield from prepare_range_pool(range_pool)
			range_pool = []
			yield route
		else:
			if not range_pool or route_int - 1 in range_pool:
				range_pool.append(route_int)
			else:
				yield from prepare_range_pool(range_pool)
				range_pool = [route_int]
	if range_pool:
		yield from prepare_range_pool(range_pool)

def is_weekend_night(time):
	from datetime import timedelta
	adjusted_time = time - timedelta(hours = 4, minutes = 30)
	return adjusted_time.weekday() in [4, 5] and is_night_time(time)

encircled = '⒜⒝⒞⒟⒠⒡⒢⒣⒤⒥⒦⒧⒨⒩⒪⒫⒬⒭⒮⒯⒰⒱⒲⒳⒴⒵'
#encircled = 'ⓐⓑⓒⓓⓔⓕⓖⓗⓘⓙⓚⓛⓜⓝⓞⓟⓠⓡⓢⓣⓤⓥⓦⓧⓨⓩ'

def encircle(char):
	from string import ascii_uppercase
	try:
		return encircled[ascii_uppercase.index(char.upper())]
	except IndexError:
		return char

def variant_abbreviations(variants):
	'''Makes a mapping of route destination variants to letter abbreviations'''
	suggestion = [variant[-1][0].upper() for variant in variants]
	if len(set(suggestion)) != len(suggestion):
		from string import ascii_uppercase
		suggestion = ascii_uppercase
	return dict(zip(variants, suggestion))

def schedule_entry_hash(schedule_entry):
	return schedule_entry['trip'].name, schedule_entry['time']

def describe(bus_stop, week_schedule):
	schedule = []
	from collections import defaultdict, Counter
	from busroute import simplify_name
	destinations_per_route = defaultdict(Counter)
	counts_per_variant = {}
	def route_key(route_ref):
		from math import log
		try:
			return () + parse_route_ref(route_ref)
		except ValueError:
			return ()
	def filter_names(names):
		if len(names) == 1 and names[0] == (bus_stop.region and simplify_name(bus_stop.region)):
			return type(names)()
		else:
			return names
	data = []
	names = []
	from collections import defaultdict
	night_routes = defaultdict(lambda: True)
	num_leaves = 0
	trip_mapping = {}
	for schedule_entry in week_schedule:
		from busroute import greatly_simplify_name
		sign_tuple = tuple(sign_elements(schedule_entry, format = 'short'))
		sign_tuple = tuple(greatly_simplify_name(k) for k in sign_tuple)
		route = schedule_entry['trip'].route.reference
		night_routes[route] &= is_night_time(schedule_entry['time'])
		destinations_per_route[route][sign_tuple] += 1
		trip_mapping[schedule_entry_hash(schedule_entry)] = (route, sign_tuple)
		num_leaves += 1
	night_routes = {key for key, value in night_routes.items() if value}
	routes_per_destination = defaultdict(set)
	all_variants = []
	variant_names = {}
	# Collect all variants
	for route, tally in destinations_per_route.items():
		variants = variant_abbreviations(tally.keys())
		winner, count = tally.most_common()[0]
		for destination, count in tally.items():
			route_name = route
			if destination != winner:
				route_name += encircle(variants[destination])
				if route in night_routes:
					night_routes.add(route_name)
			variant_names[route, destination] = route_name
			all_variants.append({
				'name': route_name,
				'destination': filter_names(destination),
				'count': count
			})
			counts_per_variant[route_name] = count
	all_variants.sort(key = lambda k: k['count'])
	def route_limit(route):
		return (route in night_routes) and 6 or 20
	rare_variants = {variant['name'] for variant in all_variants if variant['count'] < route_limit(variant['name'])}
	route_variant_count = len(all_variants)
	for variant in all_variants:
		routes_per_destination[variant['destination']].add(variant['name'])
	for key in routes_per_destination:
		routes_per_destination[key] = sorted(routes_per_destination[key], key = route_key)
	def route_len(route):
		length = 0
		for char in route:
			if char.isdigit():
				length += 1
			else:
				break
		return length or len(route)
	from math import inf
	def route_key(route):
		from math import log
		return (
			counts_per_variant.get(route, 0) < route_limit(route),
			route in night_routes,
			route_len(route),
			str(route)
		)
	def routes_key(routes):
		return min(route_key(route) for route in routes)
	# Convert routes per destination to item pairs so that we can split it into rare and non-rare
	route_destination_pairs = list()
	for regions, routes in routes_per_destination.items():
		common_routes = set(route for route in routes if counts_per_variant[route] >= route_limit(route))
		rare_routes = set(routes) - common_routes
		if common_routes:
			route_destination_pairs.append((regions, common_routes))
		if rare_routes:
			route_destination_pairs.append((regions, rare_routes))
	result = []
	rare_variant_groups = set()
	for regions, routes in sorted(route_destination_pairs, key = lambda pair: routes_key(pair[1])):
		routes_tuple = tuple(condense_route_list(sorted(routes, key = route_key)))
		result.append((
			routes_tuple,
			' - '.join(tr(region, 'region_short_name') for region in regions)
		))
		if all(variant in rare_variants for variant in routes):
			rare_variant_groups.add(routes_tuple)
	return {
		'night-routes': night_routes,
		'all-night-routes': lambda entry, description: all(route in description['night-routes'] for route in entry[0]),
		'simple': route_variant_count <= 1,
		'description': result,
		'variant-map': {k:variant_names[v] for k, v in trip_mapping.items()},
		'rare-variants': rare_variants,
		'rare-variant-groups': rare_variant_groups,
	}

@app.route('/stop_description/<reference>')
def bus_stop_description(reference):
	from buses import bus_stops
	from pprint import pformat
	try:
		bus_stop = bus_stops[reference]
	except KeyError:
		abort(404)
	return '<pre>' + pformat(describe(bus_stop, week_schedule(bus_stop, arrivals = True))) + '</pre>'

@app.route('/api/describe_destination/<trip_reference>/<stop_reference>/<int:index>')
def describe_destination(trip_reference, stop_reference, index):
	from buses import bus_stops, all_trips
	from busroute import simplify_name
	from flask import jsonify
	try:
		trip = all_trips[trip_reference]
		bus_stop = bus_stops[stop]
		schedule_entry = [schedule_entry for schedule_entry in trip.schedule if schedule_entry.stop.reference == stop_reference][index]
	except KeyError:
		abort(404)
	except ValueError:
		abort(404)
	return jsonify(long_form_sign({'trip': trip, 'stop': schedule_entry}))

@app.route('/api/trip_abbreviation/<block_id>/<int:arrival_time_offset>')
def api_trip_abbreviation(block_id, arrival_time_offset):
	from buses import trips_by_vehicle_info
	from flask import jsonify
	from datetime import timedelta
	try:
		trip = trips_by_vehicle_info[block_id, timedelta(seconds = arrival_time_offset)]
	except KeyError:
		abort(404)
	return jsonify({
		'abbreviation': trip_abbreviation(trip),
	})

def service_start_time():
	from datetime import date, datetime, timedelta
	result = datetime.now().replace(hour = 0, minute = 0, second = 0, microsecond = 0)
	if datetime.now().hour < 4:
		result -= timedelta(1)
	return result

def current_bus_day():
	from datetime import date, datetime, timedelta
	day = date.today()
	if datetime.now().hour < 5:
		day -= timedelta(1)
	return day

@app.route('/stop_display/<reference>')
def stop_display(reference):
	from buses import bus_stops
	schedule = []
	try:
		bus_stop = bus_stops[reference]
	except KeyError:
		abort(404)
	for i, schedule_entry in enumerate(bus_stop.schedule_for_day(current_bus_day(), arrivals = False)):
		schedule.append({
			'time_data': schedule_entry['time'],
			'time': time_representation(schedule_entry['time']),
			'timestamp': int(schedule_entry['time'].timestamp()),
			'route': schedule_entry['trip'].route.reference,
			'sign': long_form_sign(schedule_entry, format = 'medium'),
			'trip': schedule_entry['stop'].trip.name,
			'night': is_night_time(schedule_entry['time']),
			'imminent': imminent(schedule_entry),
			'index': i,
		})
	from pprint import pprint
	pprint(schedule)
	def destination_key(schedule_entry):
		sign = schedule_entry['sign']
		return (sign['destination'],) + tuple(sign['via'])
	def filter_schedule(schedule, *, key):
		used = set()
		for schedule_entry in schedule:
			key_value = key(schedule_entry)
			if key_value not in used:
				used.add(key_value)
				yield schedule_entry
	schedule = list(filter_schedule(schedule, key = destination_key))[:6]
	if schedule:
		num_imminent_leaves = max(1, len([schedule_entry for schedule_entry in schedule if schedule_entry['time_data'] - schedule[0]['time_data'] < timedelta(minutes = 3)]))
	else:
		num_imminent_leaves = 1
	return render_template(
		'stop_display.html',
		schedule = schedule,
		ref = bus_stop.code,
		name = tr(bus_stop.name, 'bus-stops'),
		link_to_map = bus_stop.location.link_to_map,
		region = bus_stop.region,
		location = bus_stop.location,
		cluster = bus_stop.cluster.url_name if len(bus_stop.cluster.stops) > 1 else None,
		num_imminent_leaves = num_imminent_leaves,
		tr = tr,
	)

def time_representation(time, relative = True):
	time_difference = time - now()
	#if relative and timedelta(minutes = -1) < time_difference < timedelta(minutes = 1):
	#	return tr('right-now', 'misc-text')
	#elif relative and time_difference > timedelta(0) and time_difference < timedelta(minutes = 10):
	#	return '%dm' % round(time_difference.seconds / 60)
	if time.date() == today():
		return '%d:%02d' % (time.hour, time.minute)
	elif time_difference < timedelta(7):
		with activate_locale():
			return time.strftime('%-a %H:%M').replace(' ', '\xa0')
	else:
		with activate_locale():
			return time.strftime('%-d.%-m. %H:%M').replace(' ', '\xa0')

def make_cluster(cluster):
	schedule = list({
		'time': time_representation(schedule_entry['time']),
		'route': schedule_entry['trip'].route.reference,
		'route-splice': split_route_ref(schedule_entry['trip'].route.reference),
		'sign': sign(schedule_entry),
		'trip': schedule_entry['stop'].trip.name,
		'night': is_night_time(schedule_entry['time']),
		'stop': schedule_entry['stop'].stop,
		'stop_id': schedule_entry['stop'].stop.reference,
		'stop_code': schedule_entry['stop'].stop.code, 
		'stop_name': tr(schedule_entry['stop'].stop.name, 'bus-stops', 'places'),
		'imminent': imminent(schedule_entry),
		'typename': schedule_entry['stop'].stop.typename,
	} for schedule_entry in cluster.schedule(max_amount = 100))
	stops_in_cluster = sorted(
		({
			'id': stop.reference,
			'code': stop.code,
			'name': tr(stop.name, 'bus-stops'),
		} for stop in cluster.stops),
		key = lambda stop: (len(stop['id']), stop['id'])
	)
	return render_template(
		'cluster.html',
		schedule = schedule,
		name = tr(cluster.name, 'places', 'place-clusters', 'bus-stops'),
		link_to_map = cluster.center.link_to_map,
		location = cluster.center,
		stops_in_cluster = stops_in_cluster,
		amount_of_stops_in_cluster = len(stops_in_cluster),
		tr = tr,
		service = min(set.union(*[bus_stop.services for bus_stop in cluster.stops])),
	)

@app.route('/stop_cluster/<cluster_name>')
def cluster_schedule(cluster_name):
	from buses import bus_stops, clusters_by_name
	try:
		cluster = clusters_by_name[cluster_name]
	except KeyError:
		abort(404)
	else:
		return make_cluster(cluster)

@app.route('/cluster')
def custom_cluster():
	from flask import request
	from buses import bus_stops, CustomBusStopCluster
	if 'stops' in request.args:
		cluster = CustomBusStopCluster(
			name = request.args.get('name', 'Aikataulu'),
			stops = {bus_stops[stop_code] for stop_code in str.split(request.args['stops'], ';')},
		)
		return make_cluster(cluster)
	else:
		return render_template('custom_cluster.html')

def day_class(weekday):
	if weekday < 5:
		return 'working-day'
	elif weekday == 5:
		return 'saturday'
	else:
		assert weekday == 6
		return 'sunday'

class Week:
	def __init__(self, year, weeknumber):
		self.year, self.weeknumber = int(year), int(weeknumber)
	def normalize(self):
		while self.weeknumber > 52:
			self.weeknumber -= 52
			self.year += 1
		while self.weeknumber < 1:
			self.weeknumber += 52
			self.year -= 1
	def __repr__(self):
		return str.format(
			'Week({year}, {weeknumber})',
			year = self.year,
			weeknumber = self.weeknumber
		)
	def __add__(self, numweeks):
		newweek = Week(year = self.year, weeknumber = self.weeknumber + numweeks)
		newweek.normalize()
		return newweek
	def __sub__(self, numweeks):
		newweek = Week(year = self.year, weeknumber = self.weeknumber - numweeks)
		newweek.normalize()
		return newweek
	def monday(self):
		from datetime import datetime
		datestring = str.format(
			'{year}-W{weeknumber}-1',
			year = self.year,
			weeknumber = self.weeknumber,
		)
		return datetime.strptime(datestring, "%Y-W%W-%w").date()
	@staticmethod
	def fromstring(string):
		try:
			year, weeknumber = string.split('W', 1)
			return Week(year = int(year), weeknumber = int(weeknumber))
		except ValueError:
			raise ValueError('bad week string: ' + repr(string))
	def __str__(self):
		return str(self.year) + 'W' + str(self.weeknumber)
	@staticmethod
	def now():
		from datetime import date
		cal = date.today().isocalendar()
		return Week(year = cal[0], weeknumber = cal[1])

@app.route('/stop_week/<stop_reference>')
def stop_week(stop_reference):
	from buses import bus_stops
	from flask import request
	from datetime import date
	if 'week' in request.args:
		try:
			week = Week.fromstring(request.args['week'])
		except ValueError:
			abort(400)
	else:
		week = Week.now()
	if 'routes' in request.args:
		filtered_routes = set(request.args['routes'].split(';'))
		route_filter = lambda route: route in filtered_routes
	else:
		route_filter = lambda route: True
	if 'dest' in request.args:
		dests = {bus_stops.get(dest, None) for dest in request.args['dest'].split(';')}
		dests.discard(None)
		dest_filter = lambda trip: any(trip.contains_stop(dest) for dest in dests)
	else:
		dest_filter = lambda trip: True
	schedule = []
	try:
		bus_stop = bus_stops[stop_reference]
	except KeyError:
		abort(404)
	week_model = {}
	bus_stop_schedule = list(week_schedule(bus_stop, start_date = week.monday(), arrivals = True, allow_gone = True))
	description = describe(bus_stop, bus_stop_schedule)
	for schedule_entry in bus_stop_schedule:
		route_ref = schedule_entry['trip'].route.reference
		if route_filter(route_ref) and dest_filter(schedule_entry['trip']):
			time = schedule_entry['time']
			date = schedule_entry['date']
			if date not in week_model:
				week_model[date] = dict()
			day_model = week_model[date]
			if time.hour not in day_model:
				day_model[time.hour] = list()
			hour_model = day_model[time.hour]
			list.append(hour_model, {
				'route': description['variant-map'][schedule_entry_hash(schedule_entry)],
				'route-splice': split_route_ref(route_ref),
				'trip': schedule_entry['stop'].trip.name,
				'night': is_night_time(schedule_entry['time']),
				'minute': time.minute,
			})
	for day_offset in range(7):
		from datetime import date, datetime, timedelta
		day = week.monday() + timedelta(day_offset)
		try:
			day_model = week_model[day]
		except KeyError:
			week_model[day] = {}
		else:
			def hour_key(x):
				return (x - 5) % 24
			# Fill in missing hours
			hours = set(dict.keys(day_model))
			sorted_hours = sorted(hours, key = hour_key)
			start_hour = sorted_hours[0]
			end_hour = sorted_hours[-1] + 1
			for hour in range(start_hour, end_hour):
				hour_start = datetime(day.year, day.month, day.day, hour, 0)
				if hour not in day_model and hour_start >= datetime.now():
					day_model[hour] = []
			# Sort the hours, so that 5am is first and 4am is last.
			from collections import OrderedDict
			week_model[day] = OrderedDict(
				sorted(
					day_model.items(),
					key = lambda pair: hour_key(pair[0]),
				)
			)
	week_model = [
		{
			'day': day,
			'schedule': schedule,
			'day-class': day_class(day.weekday())
		} for day, schedule in week_model.items()
	]
	week_model = sorted(week_model, key = lambda day: day['day'])
	return render_template(
		'stop_week.html',
		ref = bus_stop.code,
		name = tr(bus_stop.name, 'bus-stops'),
		tr = tr,
		week = week_model,
		description = description,
		typename = bus_stop.typename,
		curweek = week,
		next_week = week + 1,
		previous_week = week - 1,
	)

@app.route('/trip/<trip_reference>')
def trip(trip_reference):
	from flask import request
	from buses import all_trips, shapes
	from busroute import simplify_name,greatly_simplify_name
	try:
		trip = all_trips[trip_reference]
	except KeyError:
		abort(404)
	schedule = []
	region = ''
	for halt in trip.schedule:
		stop_time = datetime.combine(today(), time()) + halt.arrival_time
		formatted_time = time_representation(stop_time)
		if profile['regions']['use-regions']:
			if halt.stop.region != region and not (region and not halt.stop.region):
				if len(schedule) and not schedule[-1]['name']:
					schedule[-1]['name'] = tr(halt.stop.region or '', 'region_name')
				else:
					schedule.append({
						'name': tr(halt.stop.region or '', 'region_name'),
						'time': formatted_time,
						'stops': [],
						'index': len(schedule),
					})
				region = halt.stop.region
		else:
			schedule.append({
				'name': tr(halt.stop.name or '', 'bus-stops'),
				'time': formatted_time,
				'stops': [],
				'index': len(schedule),
			})
		schedule[-1]['stops'].append({
			'time': formatted_time,
			'id': halt.stop.reference,
			'code': halt.stop.code,
			'ref': halt.stop.code or halt.stop.reference,
			'name': tr(halt.stop.name, 'bus-stops'),
			'typename': halt.stop.typename,
			'arrival_time': time_representation(datetime.combine(today(), time()) + halt.arrival_time),
			'departure_time': time_representation(datetime.combine(today(), time()) + halt.departure_time),
			'location': str(halt.stop.location),
		})
	sign = trip.concise_schedule()
	try:
		sign = [sign[0], sign[-1]]
	except IndexError:
		sign = [trip.schedule[0].stop.name, trip.schedule[-1].stop.name]
	return render_template('trip.html',
		schedule = schedule,
		trip_reference = trip_reference,
		route = trip.route.reference,
		#description = ' - '.join(tr(place, 'region_name') for place in sign),
		description = greatly_simplify_name(sign[-1]),
		night = is_night_time(datetime.combine(today(), time()) + trip.schedule[-1].arrival_time),
		tr = tr,
		length = trip.length / 1000,
		service = trip.route.service,
		shape = ','.join(str.format('[{}, {}]', point[0], point[1]) for point in shapes[trip.shape]),
		stops = list(
			dict(
				ref = halt.stop.reference,
				name = halt.stop.name,
				position = str.format('[{}]', str(halt.stop.location)),
			) for halt in trip.schedule
		),
	)

@app.route('/route/<names>')
def route_page(names):
    from buses import routes
    from collections import defaultdict
    from busroute import greatly_simplify_name
    routes = {routes[name.upper()] for name in names.split(';')}
    schedules = defaultdict(list)
    for route in routes:
        for trip in route.trips:
            if trip.is_served_at(today()):
                schedules[trip.schedule[0].stop].append({
                    'name': trip.reference,
                    'from': trip.from_place,
                    'to': trip.to_place,
                    'description': ' - '.join(
                        greatly_simplify_name(place)
                        for place in trip_description(trip)
                    ),
                    'gone': datetime.combine(today(), time()) + trip.schedule[-1].arrival_time < now(),
                    'time': time_representation(datetime.combine(today(), time()) + trip.schedule[0].departure_time),
                    'route': route.reference,
                })
    return render_template('route.html',
        name = route.reference + ' ' + route.description,
        tr = tr,
        schedules = schedules,
    )

@app.route('/interesting')
def interesting():
	from buses import all_trips, services_for_day
	from busroute import simplify_name
	from collections import Counter, defaultdict
	from datetime import datetime
	trip_counts = Counter()
	interesting_trips = defaultdict(list)
	for trip_reference, trip in all_trips.items():
		if len(trip.service.dates) <= 3:
			for date in trip.service.dates:
				moment = trip.schedule[0].departure_datetime(date)
				if moment > datetime.now():
					interesting_trips[date].append((trip, moment))
	for date in interesting_trips:
		interesting_trips[date].sort(key = lambda tuple: tuple[1])
	interesting_trips = [(date, interesting_trips[date]) for date in sorted(interesting_trips.keys())]
	data = [
		{
			'date': date,
			'leaves': [{
				'route': trip.route.reference,
				'departure': moment,
				'trip': trip.reference,
				'stop': trip.schedule[0].stop,
				'description': ' - '.join(
					simplify_name(place, replace = True)
					for place in trip_description(trip)
				),
			} for trip, moment in leaves]
		}
		for date, leaves in interesting_trips
	]
	return render_template(
		'interesting.html',
		data = data,
		tr = tr,
	)

@app.route('/static/<path:path>')
def static_file(path):
	return send_from_directory(path.join('static', path))

from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument('gtfs_zip_path')
parser.add_argument('profile_path')

if __name__ == '__main__':
	parser.add_argument('-p', '--port', type = int, default = 5000)
	parser.add_argument('-d', '--debug', action = 'store_true')

args = parser.parse_args()
profile.read(args.profile_path)
if profile['regions']['use-regions']:
	from regions import parse_regions
	regions = parse_regions(profile['regions']['osm-path'])
	tr.load_regions(regions)
	import busroute
	busroute.regions = regions
buses.load_buses(args.gtfs_zip_path)

if __name__ == '__main__':
	app.run(debug = args.debug, port = args.port)