producers.py 文件源码

def more (self):
        esc_from = self.esc_from
        esc_to   = self.esc_to

        buffer = self.buffer + self.producer.more()

        if buffer:
            buffer = string.replace (buffer, esc_from, esc_to)
            i = self.find_prefix_at_end (buffer, esc_from)
            if i:
                # we found a prefix
                self.buffer = buffer[-i:]
                return buffer[:-i]
            else:
                # no prefix, return it all
                self.buffer = b''
                return buffer
        else:
            return buffer