def signing_base(self, request, consumer, token):
        sig = '%s&' % escape(consumer.secret)
        if token:
            sig = sig + escape(token.secret)
        return sig, sig
Concatenates the consumer key and secret with the token's
dataset/ETHPy150Open mrgaaron/LinkedIn-Client-Library/liclient/oauth2/__init__.py/SignatureMethod_PLAINTEXT.signing_base