default.py 文件源码

def getPrivateKey(self):
        file = os.path.expanduser(self.usedFiles[-1])
        if not os.path.exists(file):
            return None
        try:
            return defer.succeed(keys.getPrivateKeyObject(file))
        except keys.BadKeyError, e:
            if e.args[0] == 'encrypted key with no passphrase':
                for i in range(3):
                    prompt = "Enter passphrase for key '%s': " % \
                           self.usedFiles[-1]
                    try:
                        p = self._getPassword(prompt)
                        return defer.succeed(keys.getPrivateKeyObject(file, passphrase = p))
                    except (keys.BadKeyError, ConchError):
                        pass
                return defer.fail(ConchError('bad password'))
            raise
        except KeyboardInterrupt:
            print
            reactor.stop()