def connect(self):
'''
Attempts to connect to a Double Barrel Server first, then connects
directly to Shotgun if failed.
'''
# Attempt to open a socket at the host and port.
sgclient = DoubleBarrelClient(self, self.host(), self.port())
if sgclient.connect():
self._sgclient = sgclient
if not self._sgclient:
Shotgun.connect(self)
