fix for unscriptable error in method _format_args_spec

johncosta · johncosta · commit 5169ce62f4ed · 2012-10-16T12:16:53.000-07:00
diff --git a/tests/test_server.py b/tests/test_server.py
@@ -201,3 +201,13 @@ class MySrv(zerorpc.Server):
 
     client_events.close()
     srv.close()
+
+
+def test_removed_unscriptable_error_format_args_spec():
+
+    class MySrv(zerorpc.Server):
+        pass
+
+    srv = MySrv()
+    return_value = srv._format_args_spec(None)
+    assert return_value is None
diff --git a/zerorpc/core.py b/zerorpc/core.py
@@ -83,13 +83,13 @@ def close(self):
         self.stop()
         self._multiplexer.close()
 
-
-    def _format_args_spec(self, args_spec):
-        r = [dict(name=name) for name in args_spec[0]]
-        default_values = args_spec[3]
-        if default_values is not None:
-            for arg, def_val in zip(reversed(r), reversed(default_values)):
-                arg['default'] = def_val
+    def _format_args_spec(self, args_spec, r=None):
+        if args_spec:
+            r = [dict(name=name) for name in args_spec[0]]
+            default_values = args_spec[3]
+            if default_values is not None:
+                for arg, def_val in zip(reversed(r), reversed(default_values)):
+                    arg['default'] = def_val
         return r
 
     def _zerorpc_inspect(self):
