codeparser.py 文件源码

def internSet(self, items):

        new = []
        for i in items:
            new.append(sys.intern(i))
        s = frozenset(new)
        h = hash(s)
        if h in self.setcache:
            return self.setcache[h]
        self.setcache[h] = s
        return s