use geopy lib and use Nominatum as default geocoder

config.ini-sample

@@ -1,4 +1,5 @@
 [Geolocation]
+; geocoder: Nominatim or MapQuest
 geocoder=Nominatim
-mapquest_key=m5aGo8xGe4LLhxeKZYpHr2MPXGN2aDhe
+mapquest_key=None
 prefer_english_names=False

elodie/geolocation.py

@@ -12,6 +12,8 @@ import requests
 import urllib.request
 import urllib.parse
 import urllib.error
+import geopy
+from geopy.geocoders import Nominatim
 
 from elodie.config import load_config
 from elodie import constants
@@ -34,7 +36,17 @@ def coordinates_by_name(name):
         }
 
     # If the name is not cached then we go ahead with an API lookup
-    geolocation_info = lookup(location=name)
+    geocoder = get_geocoder()
+    if geocoder == 'Nominatim':
+        locator = Nominatim(user_agent='myGeocoder')
+        geolocation_info = locator.geocode(name)
+        if geolocation_info is not None:
+            return {
+                'latitude': geolocation_info.latitude,
+                'longitude': geolocation_info.longitude
+            }
+    elif geocoder == 'MapQuest':
+        geolocation_info = lookup_mapquest(location=name)
 
         if(geolocation_info is not None):
             if(
@@ -66,6 +78,9 @@ def coordinates_by_name(name):
                     'longitude': use_location['lng']
                 }
 
+        else:
+            return None
+
     return None
 
 
@@ -99,6 +114,17 @@ def dms_string(decimal, type='latitude'):
     return '{} deg {}\' {}" {}'.format(dms[0], dms[1], dms[2], direction)
 
 
+def get_geocoder():
+    config = load_config(constants.CONFIG_FILE)
+    try:
+        geocoder = config['Geolocation']['geocoder']
+    except KeyError as e:
+        log.error(e)
+        return None
+
+    return geocoder
+
+
 def get_key():
     global __KEY__
     if __KEY__ is not None:
@@ -148,12 +174,19 @@ def place_name(lat, lon):
         return cached_place_name
 
     lookup_place_name = {}
-    geolocation_info = lookup(lat=lat, lon=lon)
+    geocoder = get_geocoder()
+    if geocoder == 'Nominatim':
+        geolocation_info = lookup_osm(lat, lon)
+    elif geocoder == 'MapQuest':
+        geolocation_info = lookup_mapquest(lat=lat, lon=lon)
+    else:
+        return None
+
     if(geolocation_info is not None and 'address' in geolocation_info):
         address = geolocation_info['address']
         # gh-386 adds support for town
         # taking precedence after city for backwards compatability
-        for loc in ['city', 'town', 'state', 'country']:
+        for loc in ['city', 'town', 'village', 'state', 'country']:
             if(loc in address):
                 lookup_place_name[loc] = address[loc]
                 # In many cases the desired key is not available so we
@@ -171,8 +204,27 @@ def place_name(lat, lon):
 
     return lookup_place_name
 
+def lookup_osm(lat, lon):
 
-def lookup(**kwargs):
+    prefer_english_names = get_prefer_english_names()
+    from geopy.geocoders import Nominatim
+    try:
+        locator = Nominatim(user_agent='myGeocoder')
+        coords = (lat, lon)
+        if(prefer_english_names):
+            lang='en'
+        else:
+            lang='local'
+        return locator.reverse(coords, language=lang).raw
+    except geopy.exc.GeocoderUnavailable as e:
+        log.error(e)
+        return None
+    except ValueError as e:
+        log.error(e)
+        return None
+
+
+def lookup_mapquest(**kwargs):
     if(
         'location' not in kwargs and
         'lat' not in kwargs and
@@ -180,14 +232,14 @@ def lookup(**kwargs):
     ):
         return None
 
-    key = get_key()
+    mapquest_key = get_key()
     prefer_english_names = get_prefer_english_names()
 
-    if(key is None):
+    if(mapquest_key is None):
         return None
 
     try:
-        params = {'format': 'json', 'key': key}
+        params = {'format': 'json', 'key': mapquest_key}
         params.update(kwargs)
         path = '/geocoding/v1/address'
         if('lat' in kwargs and 'lon' in kwargs):

elodie/tests/config_test.py

@@ -18,18 +18,18 @@ from elodie.config import load_config, load_plugin_config
 def test_load_config_singleton_success():
     with open('%s/config.ini-singleton-success' % gettempdir(), 'w') as f:
         f.write("""
-[MapQuest]
+[Geolocation]
 key=your-api-key-goes-here
 prefer_english_names=False
         """)
     if hasattr(load_config, 'config'):
         del load_config.config
 
-    config = load_config()
+    config = load_config(constants.CONFIG_FILE)
-    assert config['MapQuest']['key'] == 'your-api-key-goes-here', config.get('MapQuest', 'key')
+    assert config['Geolocation']['key'] == 'your-api-key-goes-here', config.get('MapQuest', 'key')
     config.set('MapQuest', 'key', 'new-value')
 
-    config = load_config()
+    config = load_config(constants.CONFIG_FILE)
 
     if hasattr(load_config, 'config'):
         del load_config.config
@@ -41,7 +41,7 @@ def test_load_config_singleton_no_file():
     if hasattr(load_config, 'config'):
         del load_config.config
 
-    config = load_config()
+    config = load_config(constants.CONFIG_FILE)
 
     if hasattr(load_config, 'config'):
         del load_config.config

elodie/tests/filesystem_test.py

@@ -527,8 +527,8 @@ def test_get_folder_path_with_original_default_unknown_location():
 def test_get_folder_path_with_custom_path():
     with open('%s/config.ini-custom-path' % gettempdir(), 'w') as f:
         f.write("""
-[MapQuest]
+[Geolocation]
-key=czjNKTtFjLydLteUBwdgKAIC8OAbGLUx
+mapquest_key=czjNKTtFjLydLteUBwdgKAIC8OAbGLUx
 
 [Directory]
 date=%Y-%m-%d
@@ -569,8 +569,8 @@ full_path=%year/%month/%album|%"No Album Fool"/%month
 def test_get_folder_path_with_with_more_than_two_levels():
     with open('%s/config.ini-location-date' % gettempdir(), 'w') as f:
         f.write("""
-[MapQuest]
+[Geolocation]
-key=czjNKTtFjLydLteUBwdgKAIC8OAbGLUx
+mapquest_key=czjNKTtFjLydLteUBwdgKAIC8OAbGLUx
 
 [Directory]
 year=%Y

elodie/tests/geolocation_test.py

@@ -80,47 +80,47 @@ def test_dms_string_longitude():
         assert str(dms[0]) in dms_string, '%s not in %s' % (dms[0], dms_string)
 
 def test_reverse_lookup_with_valid_key():
-    res = geolocation.lookup(lat=37.368, lon=-122.03)
+    res = geolocation.lookup_osm(lat=37.368, lon=-122.03)
     assert res['address']['city'] == 'Sunnyvale', res
 
 def test_reverse_lookup_with_invalid_lat_lon():
-    res = geolocation.lookup(lat=999, lon=999)
+    res = geolocation.lookup_osm(lat=999, lon=999)
     assert res is None, res
 
 @mock.patch('elodie.geolocation.__KEY__', 'invalid_key')
 def test_reverse_lookup_with_invalid_key():
-    res = geolocation.lookup(lat=37.368, lon=-122.03)
+    res = geolocation.lookup_mapquest(lat=37.368, lon=-122.03)
     assert res is None, res
 
 def test_lookup_with_valid_key():
-    res = geolocation.lookup(location='Sunnyvale, CA')
+    res = geolocation.lookup_mapquest(location='Sunnyvale, CA')
     latLng = res['results'][0]['locations'][0]['latLng']
     assert latLng['lat'] == 37.36883, latLng
     assert latLng['lng'] == -122.03635, latLng
 
 def test_lookup_with_invalid_location():
-    res = geolocation.lookup(location='foobar dne')
+    res = geolocation.lookup_mapquest(location='foobar dne')
     assert res is None, res
 
 def test_lookup_with_invalid_location():
-    res = geolocation.lookup(location='foobar dne')
+    res = geolocation.lookup_mapquest(location='foobar dne')
     assert res is None, res
 
 def test_lookup_with_valid_key():
-    res = geolocation.lookup(location='Sunnyvale, CA')
+    res = geolocation.lookup_mapquest(location='Sunnyvale, CA')
     latLng = res['results'][0]['locations'][0]['latLng']
     assert latLng['lat'] == 37.36883, latLng
     assert latLng['lng'] == -122.03635, latLng
 
 @mock.patch('elodie.geolocation.__PREFER_ENGLISH_NAMES__', True)
 def test_lookup_with_prefer_english_names_true():
-    res = geolocation.lookup(lat=55.66333, lon=37.61583)
+    res = geolocation.lookup_osm(lat=55.66333, lon=37.61583)
-    assert res['address']['city'] == 'Nagorny District', res
+    assert res['address']['city'] == 'Moscow', res
 
 @mock.patch('elodie.geolocation.__PREFER_ENGLISH_NAMES__', False)
 def test_lookup_with_prefer_english_names_false():
-    res = geolocation.lookup(lat=55.66333, lon=37.61583)
+    res = geolocation.lookup_osm(lat=55.66333, lon=37.61583)
-    assert res['address']['city'] == u'\u041d\u0430\u0433\u043e\u0440\u043d\u044b\u0439 \u0440\u0430\u0439\u043e\u043d', res
+    assert res['address']['city'] == 'Москва', res
 
 @mock.patch('elodie.constants.location_db', '%s/location.json-cached' % gettempdir())
 def test_place_name_deprecated_string_cached():
@@ -159,12 +159,12 @@ def test_place_name_no_default():
 
 @mock.patch('elodie.geolocation.__KEY__', 'invalid_key')
 def test_lookup_with_invalid_key():
-    res = geolocation.lookup(location='Sunnyvale, CA')
+    res = geolocation.lookup_mapquest(location='Sunnyvale, CA')
     assert res is None, res
 
 @mock.patch('elodie.geolocation.__KEY__', '')
 def test_lookup_with_no_key():
-    res = geolocation.lookup(location='Sunnyvale, CA')
+    res = geolocation.lookup_mapquest(location='Sunnyvale, CA')
     assert res is None, res
 
 def test_parse_result_with_error():