Make the HTTP requests retry on timeout

server/lib/python/cartodb_services/cartodb_services/mapzen/geocoder.py

@@ -2,6 +2,7 @@ import requests
 import json
 import re
 
+from requests.adapters import HTTPAdapter
 from exceptions import WrongParams, MalformedResult, ServiceException
 from qps import qps_retry
 from cartodb_services.tools import Coordinate, PolyLine
@@ -14,6 +15,7 @@ class MapzenGeocoder(Traceable):
     BASE_URL = 'https://search.mapzen.com/v1/search'
     READ_TIMEOUT = 60
     CONNECT_TIMEOUT = 10
+    MAX_RETRIES = 3
 
     def __init__(self, app_key, logger, base_url=BASE_URL):
         self._app_key = app_key
@@ -27,7 +29,10 @@ class MapzenGeocoder(Traceable):
                                                          state_province,
                                                          country, search_type)
         try:
-            response = requests.get(self._url, params=request_params,
+            # TODO Extract HTTP client wrapper
+            session = requests.Session()
+            session.mount(self._url, HTTPAdapter(self.MAX_RETRIES))
+            response = session.get(self._url, params=request_params,
                                     timeout=(self.CONNECT_TIMEOUT, self.READ_TIMEOUT))
             self.add_response_data(response, self._logger)
             if response.status_code == requests.codes.ok: