extras.py 文件源码

def tokenize(self, s):
        rv = []
        for m in self._re_tokenize.finditer(s):
            if m is None:
                raise psycopg2.InterfaceError("can't parse type: %r" % s)
            if m.group(1) is not None:
                rv.append(None)
            elif m.group(2) is not None:
                rv.append(self._re_undouble.sub(r"\1", m.group(2)))
            else:
                rv.append(m.group(3))

        return rv