getdel (redis#1514)

redis/client.py

@@ -1707,6 +1707,15 @@ def get(self, name):
         """
         return self.execute_command('GET', name)
 
+    def getdel(self, name):
+        """
+        Get the value at key ``name`` and delete the key. This command
+        is similar to GET, except for the fact that it also deletes
+        the key on success (if and only if the key's value type
+        is a string).
+        """
+        return self.execute_command('GETDEL', name)
+
     def getex(self, name,
               ex=None, px=None, exat=None, pxat=None, persist=False):
         """

tests/test_commands.py

@@ -757,6 +757,13 @@ def test_get_and_set(self, r):
         assert r.get('integer') == str(integer).encode()
         assert r.get('unicode_string').decode('utf-8') == unicode_string
 
+    @skip_if_server_version_lt('6.2.0')
+    def test_getdel(self, r):
+        assert r.getdel('a') is None
+        r.set('a', 1)
+        assert r.getdel('a') == b'1'
+        assert r.getdel('a') is None
+
     @skip_if_server_version_lt('6.2.0')
     def test_getex(self, r):
         r.set('a', 1)