Make clients explicitly unpickleable.

Closes #3211.
googleapis · Mar 30, 2017 · 1c7098d · 1c7098d
1 parent 42bf2e6
commit 1c7098d
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/core/google/cloud/client.py b/core/google/cloud/client.py
@@ -138,6 +138,14 @@ def __getstate__(self):
             'Clients have non-trivial state that is local and unpickleable.',
         ]))
 
+    def __getstate__(self):
+        """Explicitly state that clients are not pickleable."""
+
+        raise PicklingError('\n'.join([
+            'Pickling client objects is explicitly not supported.',
+            'Clients have non-trivial state that is local and unpickleable.',
+        ]))
+
     @property
     def _http(self):
         """Getter for object used for HTTP transport.