Allow lists for http_auth in RequestsHttpConnection

thanks nkvoll!

elasticsearch/connection/http.py

@@ -21,8 +21,9 @@ class RequestsHttpConnection(Connection):
         super(RequestsHttpConnection, self).__init__(host= host, port=port, **kwargs)
         self.session = requests.session()
         if http_auth is not None:
-            if not isinstance(http_auth, tuple):
+            if not isinstance(http_auth, (tuple, list)):
                 http_auth = tuple(http_auth.split(':', 1))
+            http_auth = tuple(http_auth)
             self.session.auth = http_auth
         self.base_url = 'http%s://%s:%d%s' % (
             's' if use_ssl else '',

test_elasticsearch/test_connection.py

@@ -79,6 +79,10 @@ class TestRequestsConnection(TestCase):
         con = RequestsHttpConnection(http_auth='username:secret')
         self.assertEquals(('username', 'secret'), con.session.auth)
 
+    def test_http_auth_list(self):
+        con = RequestsHttpConnection(http_auth=['username', 'secret'])
+        self.assertEquals(('username', 'secret'), con.session.auth)
+
     def test_http_auth_tuple(self):
         con = RequestsHttpConnection(http_auth=('username', 'secret'))
         self.assertEquals(('username', 'secret'), con.session.auth)