| 52 | |
| 53 | |
| 54 | class CapServer(TCPServer): |
| 55 | @gen.coroutine |
| 56 | def handle_stream(self, stream, address): |
| 57 | data = yield stream.read_until(b"\n") |
| 58 | data = to_unicode(data) |
| 59 | if data == data.upper(): |
| 60 | stream.write(b"error\talready capitalized\n") |
| 61 | else: |
| 62 | # data already has \n |
| 63 | stream.write(utf8("ok\t%s" % data.upper())) |
| 64 | stream.close() |
| 65 | |
| 66 | |
| 67 | class CapError(Exception): |