[Libguestfs] [PATCH libnbd 2/5] python: Allow Python callbacks to auto-retire by returning an integer.

[Richard W.M. Jones]

See equivalent change for OCaml in
commit d881d160e1cd9c9964782300a7652ffb4e506c27.
---
 generator/generator | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/generator/generator b/generator/generator
index 0107724..0523f0a 100755
--- a/generator/generator
+++ b/generator/generator
@@ -4135,7 +4135,8 @@ let print_python_binding name { args; optargs; ret; may_set_error } =
        pr "    Py_DECREF (py_args);\n";
        pr "\n";
        pr "    if (py_ret != NULL) {\n";
-       pr "      Py_DECREF (py_ret); /* return value is discarded */\n";
+       pr "      ret = PyLong_AsLong (py_ret);\n";
+       pr "      Py_DECREF (py_ret);\n";
        pr "    }\n";
        pr "    else {\n";
        pr "      ret = -1;\n";
-- 
2.22.0