def parse_routes(response, path_polyline):
"""
Parses response contents to infer speed. If response returned more than one route, it picks the one closest on
average to the original request
:param response: request content
:param path_polyline: original request path encoded list of lat lon tuples
:return:
"""
data = {}
if response.status_code == 200:
content = response.json()
if content['routes']:
if len(content['routes']) > 1:
for route in content['routes']:
route_data = parse_route(route)
route_data['polyline_proximity'] = spatial.compute_average_proximity_to_polyline(
route_data['google_polyline'], path_polyline)
if data:
# pick closest one
if data['polyline_proximity'] > route_data['polyline_proximity']:
data = route_data
else:
data = route_data
else:
data = parse_route(content['routes'][0])
else:
logging.info(f"Request did not yield any routes. Status: {content['status']}")
if 'error_message' in content:
logging.info(f"Error message: {content['error_message']}")
else:
logging.warning(f'Request was not successful. Status code {response.status_code}. '
f'Content of the unsuccessful response: {response.json()}')
return data
def test_compute_average_proximity_to_polyline_when_they_are_the_same_line():
poly_1 = 'ahmyHzvYkCvCuCdDcBrB'
poly_2 = 'ahmyHzvYkCvCuCdDcBrB'
dist = spatial.compute_average_proximity_to_polyline(poly_1, poly_2)
assert dist == 0
def test_compute_average_proximity_to_polyline():
poly_1 = 'ahmyHzvYkCvCuCdDcBrB'
poly_2 = 'ahmyHzvYGJyBbCGHq@r@EDIJGBu@~@SToAzAEFEDIJ'
dist = spatial.compute_average_proximity_to_polyline(poly_1, poly_2)
assert round(dist, 5) == round(1.306345084680333, 5)