Implement even more caching
This commit is contained in:
parent
4cca5f231f
commit
6553e77c02
@ -9,6 +9,7 @@ import hashlib
|
||||
import hmac
|
||||
import json
|
||||
import pytz
|
||||
import traceback
|
||||
from binascii import hexlify
|
||||
from datetime import datetime, timedelta
|
||||
from urllib.parse import urlencode
|
||||
@ -32,7 +33,16 @@ def do_request(endpoint, args=None):
|
||||
signature = hexlify(hmac.digest(config.PTV_API_KEY.encode('ascii'), url.encode('ascii'), 'sha1')).decode('ascii')
|
||||
|
||||
req = Request('https://timetableapi.ptv.vic.gov.au' + url + '&signature=' + signature, headers={'User-Agent': 'virtual-metro/0.1'})
|
||||
resp = urlopen(req)
|
||||
try:
|
||||
resp = urlopen(req)
|
||||
except Exception as ex:
|
||||
print('Unable to refresh cache')
|
||||
traceback.print_exc()
|
||||
|
||||
if url in request_cache:
|
||||
return request_cache[url][1]
|
||||
else:
|
||||
return None
|
||||
data = json.load(resp)
|
||||
|
||||
# Cache the response
|
||||
@ -62,6 +72,7 @@ def stop_to_name(stop, route_id):
|
||||
name = 'South Kensington'
|
||||
return name
|
||||
|
||||
route_stops = {} # Cache lookup
|
||||
def parse_departure(departure, departures, timenow):
|
||||
result = {}
|
||||
result['dest'] = departures['runs'][str(departure['run_id'])]['destination_name']
|
||||
@ -78,11 +89,13 @@ def parse_departure(departure, departures, timenow):
|
||||
pattern_stops = [(x['stop_id'], stop_to_name(pattern['stops'][str(x['stop_id'])], departure['route_id']), False) for x in pattern['departures']]
|
||||
|
||||
# Get all stops on route
|
||||
stops = do_request('/v3/stops/route/{}/route_type/{}'.format(departure['route_id'], ROUTE_TYPE), {'direction_id': departure['direction_id']})
|
||||
stops['stops'].sort(key=lambda x: x['stop_sequence'])
|
||||
if (departure['route_id'], departure['direction_id']) not in route_stops:
|
||||
stops = do_request('/v3/stops/route/{}/route_type/{}'.format(departure['route_id'], ROUTE_TYPE), {'direction_id': departure['direction_id']})
|
||||
stops['stops'].sort(key=lambda x: x['stop_sequence'])
|
||||
route_stops[(departure['route_id'], departure['direction_id'])] = stops['stops']
|
||||
|
||||
route_stops_dir = []
|
||||
for stop in stops['stops']:
|
||||
for stop in route_stops[(departure['route_id'], departure['direction_id'])]:
|
||||
# Cut off at Flinders Street
|
||||
route_stops_dir.append(stop)
|
||||
if stop_to_name(stop, departure['route_id']) == 'Flinders Street':
|
||||
|
Loading…
Reference in New Issue
Block a user