Use 'postalcode' parameter when a zipcode is used to get more accurate results. Added previously removed test.

modules/test/test_weather.py

@@ -28,6 +28,7 @@ class TestWeather(unittest.TestCase):
             ('27959', check_places("Dare County", "North Carolina")),
             ('48067', check_places("Royal Oak", "Michigan")),
             ('23606', check_places("Newport News", "Virginia")),
+            ('23113', check_places("Midlothian", "Virginia")),
             ('27517', check_places("Chapel Hill", "North Carolina")),
             ('15213', check_places("Allegheny County", "Pennsylvania")),
             ('90210', check_places("Los Angeles County", "California")),

modules/weather.py

@@ -17,8 +17,14 @@ r_from = re.compile(r'(?i)([+-]\d+):00 from')
 
 
 def location(q):
-    uri = 'https://nominatim.openstreetmap.org/search/?q={query}&format=json'.\
-        format(query=web.quote(q))
+    uri = 'https://nominatim.openstreetmap.org/search?%s={query}&format=json'
+    if q.isdigit():
+        uri = uri % 'postalcode'
+    else:
+        uri = uri % 'q'
+    uri = uri . format(query = web.quote(q))
+#    uri = 'https://nominatim.openstreetmap.org/search/?q={query}&format=json'.\
+#        format(query=web.quote(q))
     results = web.get(uri)
     data = json.loads(results)