fileobject.py 文件源码

def recv(self, size):
            while True:
                try:
                    data = _read(self.fileno(), size)
                except (IOError, OSError):
                    code = sys.exc_info()[1].args[0]
                    if code not in ignored_errors:
                        raise
                    sys.exc_clear()
                else:
                    if not self._translate or not data:
                        return data
                    if self._eat_newline:
                        self._eat_newline = False
                        if data.startswith('\n'):
                            data = data[1:]
                            if not data:
                                return self.recv(size)
                    if data.endswith('\r'):
                        self._eat_newline = True
                    return self._translate_newlines(data)
                self.hub.wait(self._read_event)