Read line from remote.
(self)
| 377 | |
| 378 | |
| 379 | def readline(self): |
| 380 | """Read line from remote.""" |
| 381 | # The comment in read() explains why we implement our own readline(). |
| 382 | |
| 383 | LF = b'\n' |
| 384 | parts = [] |
| 385 | length = 0 |
| 386 | |
| 387 | while length < _MAXLINE: |
| 388 | |
| 389 | if len(parts) < len(self._readbuf): |
| 390 | buf = self._readbuf[len(parts)] |
| 391 | else: |
| 392 | try: |
| 393 | buf = self.sock.recv(DEFAULT_BUFFER_SIZE) |
| 394 | except ConnectionError: |
| 395 | break |
| 396 | if not buf: |
| 397 | break |
| 398 | self._readbuf.append(buf) |
| 399 | |
| 400 | pos = buf.find(LF) |
| 401 | if pos != -1: |
| 402 | pos += 1 |
| 403 | parts.append(buf[:pos]) |
| 404 | self._readbuf = [buf[pos:]] + self._readbuf[len(parts):] |
| 405 | break |
| 406 | parts.append(buf) |
| 407 | length += len(buf) |
| 408 | |
| 409 | line = b''.join(parts) |
| 410 | if len(line) > _MAXLINE: |
| 411 | raise self.error("got more than %d bytes" % _MAXLINE) |
| 412 | return line |
| 413 | |
| 414 | |
| 415 | def send(self, data): |