Compare commits

...

5 Commits

Author SHA1 Message Date
Mario de Frutos
336d8be977 Hotfix: Typo in status code check 2016-10-26 17:49:07 +02:00
Mario de Frutos
75557837b0 Merge pull request #295 from CartoDB/development
Release python library 0.9.3
2016-10-26 16:58:39 +02:00
Mario de Frutos
e7c35457e1 Merge pull request #294 from CartoDB/293_matrix_without_json
Fix empty response from matrix
2016-10-26 16:41:17 +02:00
Mario de Frutos
80963e2589 504 errors return empty data instead of raise exception
Due to some problems in Mapzen, we're receiving 504 errors from their
servers. To mitigate this problem, instead of raise an exception, we're
going to return empty data for that point
2016-10-26 16:39:35 +02:00
Mario de Frutos
19d6cacdb3 Fix empty response from matrix
https://github.com/CartoDB/dataservices-api/issues/293
2016-10-26 16:00:50 +02:00
3 changed files with 25 additions and 7 deletions

View File

@@ -86,7 +86,7 @@ class MapzenIsolines:
def calculate_isoline(self, origin, costing_model, isorange, upper_rmax, cost_variable, unit_factor=1.0):
# NOTE: not for production
self._logger.debug('Calculate isoline', data={"origin": origin, "costing_model": costing_model, "isorange": isorange})
# self._logger.debug('Calculate isoline', data={"origin": origin, "costing_model": costing_model, "isorange": isorange})
# Formally, a solution is an array of {angle, radius, lat, lon, cost} with cardinality NUMBER_OF_ANGLES
# we're looking for a solution in which abs(cost - isorange) / isorange <= TOLERANCE
@@ -105,14 +105,16 @@ class MapzenIsolines:
response = self._matrix_client.one_to_many([origin] + location_estimates, costing_model)
costs = [None] * self.NUMBER_OF_ANGLES
if not response:
# In case the matrix client doesn't return any data
break
for idx, c in enumerate(response['one_to_many'][0][1:]):
if c[cost_variable]:
costs[idx] = c[cost_variable]*unit_factor
else:
costs[idx] = isorange
# self._logger.debug('i = %d, costs = %s' % (i, costs))
errors = [(cost - isorange) / float(isorange) for cost in costs]
max_abs_error = max([abs(e) for e in errors])
if max_abs_error <= self.TOLERANCE:

View File

@@ -43,7 +43,7 @@ class MatrixClient:
}
response = requests.get(self.ONE_TO_MANY_URL, params=request_params)
if not requests.codes.ok:
if response.status_code != requests.codes.ok:
self._logger.error('Error trying to get matrix distance from mapzen',
data={"response_status": response.status_code,
"response_reason": response.reason,
@@ -52,6 +52,22 @@ class MatrixClient:
"response_headers": response.headers,
"locations": locations,
"costing": costing})
raise ServiceException("Error trying to get matrix distance from mapzen", response)
# In case 4xx error we return empty because the error comes from
# the provided info by the user and we don't want to top the
# isolines generation
if response.status_code == requests.codes.bad_request:
return {}
elif response.status_code == 504:
# Due to some unsolved problems in the Mapzen Matrix API we're
# getting randomly 504, probably timeouts. To avoid raise an
# exception in all the jobs, for now we're going to return
# empty in that case
return {}
else:
raise ServiceException("Error trying to get matrix distance from mapzen", response)
return response.json()
# response could return with empty json
try:
return response.json()
except:
return {}

View File

@@ -10,7 +10,7 @@ from setuptools import setup, find_packages
setup(
name='cartodb_services',
version='0.9.2',
version='0.9.3',
description='CartoDB Services API Python Library',