add some module level functions for resetting/retrieving the resolver

(cherry picked from commit b9cea9e900377e90226298bfd0f9f345d27c4408)

diff --git a/dns/resolver.pyi b/dns/resolver.pyi
index 855ca12fb1c9d4d845901d4da525a41b179657b3..348df4da4078f020fae73ff752bd2bb9dc71625a 100644 (file)
--- a/dns/resolver.pyi
+++ b/dns/resolver.pyi
@@ -59,3 +59,8 @@ class Resolver:
               raise_on_no_answer=True, source_port : int = 0,
               lifetime : Optional[float]=None):
         ...
+default_resolver: typing.Optional[Resolver]
+def reset_default_resolver() -> None:
+    ...
+def get_default_resolver() -> Resolver:
+    ...