diff -r 4b09d8a597f8 -r 88a5110b66ba buses.py
--- a/buses.py	Mon Aug 13 22:56:30 2018 +0300
+++ b/buses.py	Fri Sep 07 00:23:42 2018 +0300
@@ -98,7 +98,7 @@
 			date += timedelta(1)
 		# Typistä lopputulos haluttuun tulosmäärään.
 		return result[:max_amount]
-	def schedule_for_day(self, date, *, arrivals = False):
+	def schedule_for_day(self, date, *, arrivals = False, allow_gone = False):
 		'''
 			Hakee pysäkin aikataulut tiettynä päivänä.
 		'''
@@ -117,7 +117,7 @@
 				if stop and (arrivals or not stop.is_arrival) and stop is not trip.schedule[-1]:
 					# ja jos tämä halt on tulevaisuudessa,
 					stop_time = datetime.combine(date, time()) + stop.departure_time
-					if stop_time + timedelta(minutes = 1) >= now():
+					if allow_gone or (stop_time + timedelta(minutes = 1) >= now()):
 						# lisää halt listaan.
 						result.append({
 							'date': date,
@@ -181,6 +181,57 @@
 			long = long,
 		)
 
+class BusStopCluster:
+	def __init__(self):
+		self.stops = set()
+		self.cached_center = None
+		self.name = None
+	@property
+	def url_name(self):
+		return self.name.lower().replace('(', '').replace(')', '').replace(' ', '-')
+	def add_stop(self, stop):
+		assert not stop.cluster
+		stop.cluster = self
+		self.stops.add(stop)
+		self.cached_center = None
+	@property
+	def center(self):
+		if not self.cached_center:
+			if self.stops:
+				from statistics import median
+				pointtype = type(next(iter(self.stops)).location)
+				self.cached_center = pointtype(
+					median(stop.location.x for stop in self.stops),
+					median(stop.location.y for stop in self.stops),
+				)
+			else:
+				raise ValueError('an empty cluster has no center point')
+		return self.cached_center
+	def merge(self, other):
+		for bus_stop in other.stops:
+			bus_stop.cluster = self
+		self.stops |= other.stops
+		other.stops = set()
+		other.cached_center = None
+	def schedule(self, *, max_amount = 50):
+		result = []
+		for stop in self.stops:
+			result += stop.schedule(max_amount = max_amount)
+		result.sort(key = lambda schedule_entry: schedule_entry['time'])
+		return result[:max_amount]
+
+class CustomBusStopCluster(BusStopCluster):
+	def __init__(self, *, name, stops):
+		super().__init__()
+		self.name = name
+		self.stops = stops
+	def add_stop(self, stop):
+		return NotImplemented
+	@property
+	def url_name(self):
+		from urllib.request import quote
+		return 'custom?stops=' + ';'.join(stop.code for stop in self.stops) + '&name=' + quote(self.name)
+
 routes = {}
 routes_per_id = {}
 all_trips = {}
@@ -320,45 +371,6 @@
 					bus_stop.region = None
 		print('%d stops' % len(bus_stops), file = stderr)
 
-		class BusStopCluster:
-			def __init__(self):
-				self.stops = set()
-				self.cached_center = None
-				self.name = None
-			@property
-			def url_name(self):
-				return self.name.lower().replace('(', '').replace(')', '').replace(' ', '-')
-			def add_stop(self, stop):
-				assert not stop.cluster
-				stop.cluster = self
-				self.stops.add(stop)
-				self.cached_center = None
-			@property
-			def center(self):
-				if not self.cached_center:
-					if self.stops:
-						from statistics import median
-						pointtype = type(next(iter(self.stops)).location)
-						self.cached_center = pointtype(
-							median(stop.location.x for stop in self.stops),
-							median(stop.location.y for stop in self.stops),
-						)
-					else:
-						raise ValueError('an empty cluster has no center point')
-				return self.cached_center
-			def merge(self, other):
-				for bus_stop in other.stops:
-					bus_stop.cluster = self
-				self.stops |= other.stops
-				other.stops = set()
-				other.cached_center = None
-			def schedule(self, *, max_amount = 50):
-				result = []
-				for stop in self.stops:
-					result += stop.schedule(max_amount = max_amount)
-				result.sort(key = lambda schedule_entry: schedule_entry['time'])
-				return result[:max_amount]
-
 		from collections import defaultdict
 		bus_stops_by_name = defaultdict(set)
 		for bus_stop in bus_stops.values():