'Return the authorization URL to get a token.
This is the URL the app will launch a browser toward if it
needs a new token.
perms -- "read", "write", or "delete"
frob -- picked up from an earlier call to FlickrAPI.auth_getFrob()'

def __getAuthURL(self, perms, frob):

    data = {'api_key': self.apiKey, 'frob': frob, 'perms': perms}
    data['api_sig'] = self.__sign(data)
    return ('http://%s%s?%s' % (FlickrAPI.flickrHost, FlickrAPI.flickrAuthForm, urllib.urlencode(data)))
