There *must* be a message.

James William Pye · James William Pye · commit e4582df5f1fb · 2009-12-11T19:01:48.000-07:00
diff --git a/postgresql/protocol/client3.py b/postgresql/protocol/client3.py
@@ -109,8 +109,12 @@ def connect(self, ssl = None, timeout = None):
 					code = "--TOE",
 				)
 			else:
+				errmsg = self.socket_factory.fatal_exception_message(err)
+				# It's an error that occurred during socket creation/connection.
+				# Even if there isn't a known fatal message,
+				# identify it as fatal and set an ambiguous message.
 				self.xact.error_message = element.ClientError(
-					message = self.socket_factory.fatal_exception_message(err),
+					message = errmsg or "could not connect socket",
 					severity = "FATAL",
 					# ConnectionRejectionError
 					code = "08004",
