ayncio, Tulip issue 129: BaseEventLoop.sock_connect() now raises an error if

the address is not resolved (hostname instead of an IP address) for AF_INET and
AF_INET6 address families.

1 files changed, 8 insertions, 1 deletions

diff --git a/Lib/asyncio/proactor_events.py b/Lib/asyncio/proactor_events.py
index 74566b2ec9b..5de4d3d691a 100644
--- a/Lib/asyncio/proactor_events.py
+++ b/Lib/asyncio/proactor_events.py
@@ -404,7 +404,14 @@ class BaseProactorEventLoop(base_events.BaseEventLoop):
         return self._proactor.send(sock, data)
 
     def sock_connect(self, sock, address):
-        return self._proactor.connect(sock, address)
+        try:
+            base_events._check_resolved_address(sock, address)
+        except ValueError as err:
+            fut = futures.Future(loop=self)
+            fut.set_exception(err)
+            return fut
+        else:
+            return self._proactor.connect(sock, address)
 
     def sock_accept(self, sock):
         return self._proactor.accept(sock)