fileobject.py 文件源码

def sendall(self, data):
            fileno = self.fileno()
            bytes_total = len(data)
            bytes_written = 0
            while True:
                try:
                    bytes_written += _write(fileno, _get_memory(data, bytes_written))
                except (IOError, OSError):
                    code = sys.exc_info()[1].args[0]
                    if code not in ignored_errors:
                        raise
                    sys.exc_clear()
                if bytes_written >= bytes_total:
                    return
                self.hub.wait(self._write_event)