Merge pull request #335 from dbartenstein/feature/opencage_language_p…

…aram

Fix #334: Add language parameter for OpenCage

geocoder/opencage.py

@@ -395,11 +395,16 @@ class OpenCageQuery(MultipleResultsQuery):
     _KEY = opencage_key
 
     def _build_params(self, location, provider_key, **kwargs):
-        return {
+        base_params = {
             'query': location,
             'key': provider_key,
             'limit': kwargs.get('maxRows', 1)
         }
+        language = kwargs.get('language', None)
+        if language:
+            base_params['language'] = language
+
+        return base_params
 
     def _catch_errors(self, json_response):
         status = json_response.get('status')

tests/test_opencage.py

@@ -31,6 +31,19 @@ def test_issue_292():
     g = geocoder.opencage('AirportClinic M - MediCare Flughafen München Medizinisches Zentrum', countrycode='DE', language='de', no_annotations=1)
     assert g.ok
 
+def test_opencage_no_language_param():
+    """ Expected result :
+        https://api.opencagedata.com/geocode/v1/json=Ottawa,Ontario&key=YOUR-API-KEY
+    """
+    g = geocoder.opencage(location)
+    assert 'language' not in g.url
+
+def test_opencage_language_param():
+    """ Expected result :
+        https://api.opencagedata.com/geocode/v1/json=Ottawa,Ontario&key=YOUR-API-KEY&language=de
+    """
+    g = geocoder.opencage(location, language='de')
+    assert 'language=de' in g.url.split('&')
 
 def test_opencage_multi_result():
     g = geocoder.opencage(location, maxRows=5)