def validate(map_name, route, delay_between_requests = 0):
'''Validate route with official web validator.
Nonzero delay_between_requests imposes a minimum time between uses.
Return tuple (score, world).
'''
key = 'online_validator.cached("%s", "%s")' % (map_name, route)
cached = get_cached_response(key) or settings.get_value(key, '')
if cached:
return literal_eval(cached)
if delay_between_requests:
wait_until_enough_time_elapsed(delay_between_requests)
params = urllib.urlencode({'mapfile': map_name, 'route': route})
conn = httplib.HTTPConnection(server)
conn.request("POST", path, params, headers)
response = conn.getresponse()
if response.status != 200:
raise Exception('Server returned "%d %s"' % (response.status, response.reason))
result = parse_response(response.read())
conn.close()
settings[key] = repr(result)
return result
def wait_until_enough_time_elapsed(min_time_between_accesses):
import time
LAST_ACCESS_TIME_KEY = 'online_validator.last_access_time'
last_access_time = float(settings.get_value(LAST_ACCESS_TIME_KEY, 0.0))
wait_interval = min_time_between_accesses - (time.time() - last_access_time)
if wait_interval > 0:
print 'Waiting %f seconds before before submitting request' % wait_interval
time.sleep(wait_interval)
settings[LAST_ACCESS_TIME_KEY] = time.time()