def __call__(self, r):
        if self.dynamic_token:
            access_token = self.dynamic_token
        else:
            access_token = str(self.authenticate()['access_token'])
        r.headers['Authorization'] = 'OAuth %s' % access_token
        return r
Starts the _SingleAddressWsgiServer.
dataset/ETHPy150Open django-salesforce/django-salesforce/salesforce/auth.py/SalesforceAuth.__call__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/wsgi_server.py/_SingleAddressWsgiServer.start