bottle.py 文件源码

def translate(self):
        if self.offset: raise RuntimeError('Parser is a one time instance.')
        while True:
            m = self.re_split.search(self.source[self.offset:])
            if m:
                text = self.source[self.offset:self.offset+m.start()]
                self.text_buffer.append(text)
                self.offset += m.end()
                if m.group(1): # New escape syntax
                    line, sep, _ = self.source[self.offset:].partition('\n')
                    self.text_buffer.append(m.group(2)+m.group(5)+line+sep)
                    self.offset += len(line+sep)+1
                    continue
                elif m.group(5): # Old escape syntax
                    depr('Escape code lines with a backslash.') #0.12
                    line, sep, _ = self.source[self.offset:].partition('\n')
                    self.text_buffer.append(m.group(2)+line+sep)
                    self.offset += len(line+sep)+1
                    continue
                self.flush_text()
                self.read_code(multiline=bool(m.group(4)))
            else: break
        self.text_buffer.append(self.source[self.offset:])
        self.flush_text()
        return ''.join(self.code_buffer)