def get_request_token(self):
token_info = self.get_data_from_signed_url(
self.service_info['request_token_url'], **self.request_params
)
token = OAuthRequestToken(
service=self.service,
**dict(token.split('=') for token in token_info.split('&'))
)
token.put()
if self.oauth_callback:
oauth_callback = {'oauth_callback': self.oauth_callback}
else:
oauth_callback = {}
self.handler.redirect(self.get_signed_url(
self.service_info['user_auth_url'], token, **oauth_callback
))
