Support for CLIENT TRACKINFO (#1560)

Part of #1546

Author: chayim

redis/client.py

@@ -674,6 +674,7 @@ class Redis(Commands, object):
         'CLIENT SETNAME': bool_ok,
         'CLIENT UNBLOCK': lambda r: r and int(r) == 1 or False,
         'CLIENT PAUSE': bool_ok,
+        'CLIENT TRACKINGINFO': lambda r: list(map(str_if_bytes, r)),
         'CLUSTER ADDSLOTS': bool_ok,
         'CLUSTER COUNT-FAILURE-REPORTS': lambda x: int(x),
         'CLUSTER COUNTKEYSINSLOT': lambda x: int(x),

redis/commands.py

@@ -369,6 +369,13 @@ def client_id(self):
         "Returns the current connection id"
         return self.execute_command('CLIENT ID')
 
+    def client_trackinginfo(self):
+        """Returns the information about the current client connection's
+        use of the server assisted client side cache.
+        See https://redis.io/commands/client-trackinginfo
+        """
+        return self.execute_command('CLIENT TRACKINGINFO')
+
     def client_setname(self, name):
         "Sets the current connection name"
         return self.execute_command('CLIENT SETNAME', name)

tests/test_commands.py

@@ -315,6 +315,12 @@ def test_client_list_client_id(self, r):
     def test_client_id(self, r):
         assert r.client_id() > 0
 
+    @skip_if_server_version_lt('6.2.0')
+    def test_client_trackinginfo(self, r):
+        res = r.client_trackinginfo()
+        assert len(res) > 2
+        assert 'prefixes' in res
+
     @skip_if_server_version_lt('5.0.0')
     def test_client_unblock(self, r):
         myid = r.client_id()