client.py 文件源码

def parse(self, s):
        if not s:
            return
        else:
            for match in self.re_token.finditer(s):
                imatch = self.re_indent.fullmatch(match.group(1))
                if imatch:
                    text = imatch.group(1)
                    self.indent = imatch.group(2)
                else:
                    text = match.group(1)
                    self.indent = ""
                if match.group(2) is None:
                    if match.end() != len(s):
                        raise Exception(
                            "Not terminated token: %r" % s[match.end():])
                    yield (text, None, None, None)
                    break
                else:
                    fmatch = self.re_field.fullmatch(match.group(2))
                    if not fmatch:
                        raise Exception(
                            "Cannot parse token: %r" % match.group(2))
                    yield (text, fmatch.group(1), fmatch.group(3),
                           fmatch.group(2))