Merge pull request #168 from dgraph-io/anurags92/release21.03Update

chore: release v21.03.0

CHANGELOG.md

@@ -8,6 +8,14 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [Unreleased]
 ===================
 
+## [v21.03.0] - 2020-04-09
+
+### Added
+-  Logging in to namespace
+-  Add response type
+-  Hash to response and txn context.
+-  Deprecation messaged for Slash Endpoint [168]
+
 ## [v20.07.0] - 2020-09-18
 
 ### Added

pydgraph/client_stub.py

@@ -87,6 +87,8 @@ def close(self):
         del self.channel
         del self.stub
 
+    # from_slash_endpoint is deprecated and will be removed in v21.07 release. For more details,
+    # see: https://discuss.dgraph.io/t/regarding-slash-cloud-dgraph-endpoints-in-the-clients/13492
     @staticmethod
     def from_slash_endpoint(slash_end_point, api_key):
         """Returns Dgraph Client stub for the Slash GraphQL endpoint"""

pydgraph/meta.py

@@ -14,4 +14,4 @@
 
 """Metadata about this package."""
 
-VERSION = '20.07.0'
+VERSION = '21.03.0'

pydgraph/proto/api.proto

@@ -57,6 +57,7 @@ message Request {
 		RDF = 1;
 	}
 	RespFormat resp_format = 14;
+	string hash = 15;
 }
 
 message Uids {
@@ -128,6 +129,7 @@ message TxnContext {
 	bool aborted = 3;
 	repeated string keys = 4;  // List of keys to be used for conflict detection.
 	repeated string preds = 5; // List of predicates involved in this transaction.
+	string hash = 6;
 }
 
 message Check {}

pydgraph/txn.py

@@ -95,6 +95,7 @@ def do_request(self, request, timeout=None, metadata=None, credentials=None):
                 raise errors.TransactionError('Readonly transaction cannot run mutations')
             self._mutated = True
 
+        request.hash = self._ctx.hash
         new_metadata = self._dg.add_login_metadata(metadata)
         query_error = None
         try:
@@ -311,7 +312,7 @@ def merge_context(self, src=None):
         elif self._ctx.start_ts != src.start_ts:
             # This condition should never be true.
             raise errors.TransactionError('StartTs mismatch')
-
+        self._ctx.hash = src.hash
         self._ctx.keys.extend(src.keys)
         self._ctx.preds.extend(src.preds)