+ af = socket.AF_INET if '.' in source_address[0] else socket.AF_INET6
+ ip_addrs = [addr for addr in addrs if addr[0] == af]
+ if addrs and not ip_addrs:
+ ip_version = 'v4' if af == socket.AF_INET else 'v6'
+ raise socket.error(
+ "No remote IP%s addresses available for connect, can't use '%s' as source address"
+ % (ip_version, source_address[0]))