Update Pydgraph client to support login into namespace

Author: all-seeing-code

pydgraph/client.py

@@ -68,6 +68,21 @@ def login(self, userid, password, timeout=None, metadata=None,
         login_req = api.LoginRequest()
         login_req.userid = userid
         login_req.password = password
+        login_req.namespace = 0
+
+        response = self.any_client().login(login_req, timeout=timeout,
+                                           metadata=metadata,
+                                           credentials=credentials)
+        self._jwt = api.Jwt()
+        self._jwt.ParseFromString(response.json)
+        self._login_metadata = [("accessjwt", self._jwt.access_jwt)]
+
+    def login_in_namespace(self, userid, password, namespace, timeout=None, metadata=None,
+              credentials=None):
+        login_req = api.LoginRequest()
+        login_req.userid = userid
+        login_req.password = password
+        login_req.namespace = namespace
 
         response = self.any_client().login(login_req, timeout=timeout,
                                            metadata=metadata,

pydgraph/proto/api.proto

@@ -150,13 +150,14 @@ message Metrics {
 }
 
 message NQuad {
+	reserved 5; // This was used for label
 	string subject = 1;
 	string predicate = 2;
 	string object_id = 3;
 	Value object_value = 4;
-	string label = 5;
 	string lang = 6;
 	repeated Facet facets = 7;
+	uint64 namespace = 8;
 }
 
 message Value {
@@ -195,6 +196,7 @@ message LoginRequest {
 	string userid = 1;
 	string password = 2;
 	string refresh_token = 3;
+	uint64 namespace = 4;
 }
 
 message Jwt {