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Validate time ranges

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This commit is contained in:
antoniocarlon 2020-02-10 13:18:24 +01:00
parent cd366d7589
commit d5efc681e4
1 changed files with 11 additions and 0 deletions
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11
server/lib/python/cartodb_services/cartodb_services/mapbox/true_isolines.py
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@ -13,6 +13,9 @@ PROFILE_CYCLING = 'cycling'
PROFILE_WALKING = 'walking'
DEFAULT_PROFILE = PROFILE_DRIVING
MAX_TIME_RANGE = 60 * 60 # The maximum time that can be specified is 60 minutes.
# https://docs.mapbox.com/api/navigation/#retrieve-isochrones-around-a-location
MAX_SPEEDS = {
PROFILE_WALKING: 3.3333333, # In m/s, assuming 12km/h walking speed
PROFILE_CYCLING: 16.67, # In m/s, assuming 60km/h max speed
@ -53,6 +56,12 @@ class MapboxTrueIsolines():
valid_profiles=', '.join(
[x for x in VALID_PROFILES])))
def _validate_time_ranges(self, time_ranges):
for time_range in time_ranges:
if time_range > MAX_TIME_RANGE:
raise ValueError('Cannot query time ranges greater than {max_time_range} seconds'.format(
max_time_range=MAX_TIME_RANGE))
def _parse_coordinates(self, boundary):
coordinates = boundary.get(ENTRY_COORDINATES, [])
return [Coordinate(c[0], c[1]) for c in coordinates]
@ -71,6 +80,8 @@ class MapboxTrueIsolines():
@qps_retry(qps=5, provider='mapbox_iso')
def _calculate_isoline(self, origin, time_ranges,
profile=DEFAULT_PROFILE):
self._validate_time_ranges(time_ranges)
origin = '{lon},{lat}'.format(lat=origin.latitude,
lon=origin.longitude)