def _oauth_access_token_url(self, request_token):
        consumer_token = self._oauth_consumer_token()
        url = self._OAUTH_ACCESS_TOKEN_URL
        args = dict(
            oauth_consumer_key=escape.to_basestring(consumer_token["key"]),
            oauth_token=escape.to_basestring(request_token["key"]),
            oauth_signature_method="HMAC-SHA1",
            oauth_timestamp=str(int(time.time())),
            oauth_nonce=escape.to_basestring(binascii.b2a_hex(uuid.uuid4().bytes)),
            oauth_version="1.0",
        )
        if "verifier" in request_token:
            args["oauth_verifier"] = request_token["verifier"]

        if getattr(self, "_OAUTH_VERSION", "1.0a") == "1.0a":
            signature = _oauth10a_signature(consumer_token, "GET", url, args,
                                            request_token)
        else:
            signature = _oauth_signature(consumer_token, "GET", url, args,
                                         request_token)

        args["oauth_signature"] = signature
        return url % "?" + urllib_parse.urlencode(args)
dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/auth.py/OAuthMixin._oauth_access_token_url/operator `+` -> `%`