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gtfs v7

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This commit is contained in:
Johnson Chetty 2012-03-07 13:36:34 +01:00
parent 229048aa23
commit e6e0f3c116
1 changed files with 60 additions and 14 deletions
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66
chaloBEST/gtfs/gtfs_export.py
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@ -32,17 +32,49 @@ def getRoutesHavingAllLocs():
filteredroutes.append(route)
return filteredroutes
"""
def getCompleteRoutes():
#rs = getRoutesHavingAllLocs()
rs = Route.objects.all()
filteredroutes = []
for route in rs:
sselected_related():
#a2s selected_related():
if routeWithLocationData(route):
filteredroutes.append(route)
return filteredroutes
"""
def getCompleteRoutes(routelist):
#get routes having all stop locaions
filteredroutes = []
isComplete = True
for route in routelist:
# check if all stops have locs
isComplete = True
if routeWithLocationData(route):
# check if Unique Routes have distance
unrs = route.uniqueroute_set.all()
for unr in unrs:
if unr.distance:
rsset= unr.routeschedule_set.all()
for rs in rsset:
if rs.runtime1 and rs.runtime2 and rs.runtime3 and rs.runtime4 and rs.headway1 and rs. headway2 and rs.headway3 and rs.headway4 and rs.headway5 and rs.first_from and rs.first_to and rs.last_from and rs.last_to:
filteredroutes.append(route)
else:
isComplete = False
continue
else:
isComplete = False
continue
return list(set(filteredroutes))
def routeWithSomeLocationData(route,limit):
'''
@ -215,10 +247,9 @@ def export_trips(routelist):
for schedule, route, direction, trip_id in generate_trips():
if route not in routelist: continue
f.writerow([route.code, schedule.schedule_type, trip_id])
# we need to get UniqueRoutes for each route, that is one trip, since it is based on service_id which shows days_of_run.
# we need to be careful here because a filter queryset for UniqueRoutes can differ in order and a naming based on this order
# will not be consistent. Its good to use a uniqueroute-serial number.
#for r in routelist:
"""
try:
# data checks here
@ -286,7 +317,8 @@ def export_stop_times(routelist):
details = rdlist[getserial(rdlist,unr.from_stop):getserial(rdlist,unr.to_stop)]
# trip specific code
# calc avg speed for a trip. trip = unr+rs
dist = unr.distance
runtime = runtime_in_minutes(schedule)
#if dist == 0.0 or runtime == 0
@ -318,6 +350,19 @@ def export_stop_times(routelist):
#departure_time.resolution(datetime.timedelta(0,0,1))
f.writerow([trip_id,arrival_time.__str__().split(".")[0],departure_time.__str__().split(".")[0],detail.stop.code,sequence])
else:
# for non-stage stop
# first stop
if sequence == 0:
f.writerow([trip_id,initial_time,initial_time,detail.stop.code,sequence])
else:
# if this is the last stop in the route, then
if sequence == len(details) - 1:
arrival = initial_time.hour * 60 + initial_time.minute + runtime_in_minutes(schedule)
arrival_time = "%02d:%02d:00" % (int(arrival/60), arrival % 60)
departure_time = "%02d:%02d:00" % (int(arrival/60), arrival % 60)
f.writerow([trip_id,arrival_time,departure_time,detail.stop.code,sequence])
else:
# if any other stop
f.writerow([trip_id,"","",detail.stop.code,sequence])
"""
@ -453,16 +498,17 @@ def export_frequencies(routelist):
if schedule.last_from == datetime.time(0,0,0):
end_time = "22:59:59" # magic number here in case BEST data isnt found
# check if start_time is always earlier than end_time.. this needs to be logged soon!
if time_of(start_time) > time_of(end_time):
if time_of(start_time) >= time_of(end_time):
start_time = "05:00:00" # magic number here in case BEST data isnt found
if time_of(end_time) < time_of(start_time):
if time_of(end_time) <= time_of(start_time):
end_time = "22:59:59" # magic number here in case BEST data isnt found
if headway[span] is not None:
f.writerow([trip_id, start_time, end_time, headway[span]*60])
def fire_up():
routelist = getRoutesHavingAllLocs()
def fire_up(routelist):
if not routelist:
routelist = getCompleteRoutes()
export_routes(routelist)
export_stops(routelist)
export_frequencies(routelist)