pickle.py 文件源码

def load_string(self):
        orig = self.readline()
        rep = orig[:-1]
        for q in (b'"', b"'"): # double or single quote
            if rep.startswith(q):
                if not rep.endswith(q):
                    raise ValueError("insecure string pickle")
                rep = rep[len(q):-len(q)]
                break
        else:
            raise ValueError("insecure string pickle: %r" % orig)
        self.append(codecs.escape_decode(rep)[0]
                    .decode(self.encoding, self.errors))