code: def post(self, request):
          
          if constants.ENFORCE_SECURE and not request.is_secure():
              return self.error_response({
                  'error': 'invalid_request',
                  'error_description': _("A secure connection is required.")})
  
          if not 'grant_type' in request.POST:
              return self.error_response({
                  'error': 'invalid_request',
                  'error_description': _("No 'grant_type' included in the "
                      "request.")})
  
          grant_type = request.POST['grant_type']
  
          if grant_type not in self.grant_types:
              return self.error_response({'error': 'unsupported_grant_type'})
  
          client = self.authenticate(request)
  
          if client is None:
              return self.error_response({'error': 'invalid_client'})
  
          handler = self.get_handler(grant_type)
  
          try:
              return handler(request, request.POST, client)
          except OAuthError, e:
              return self.error_response(e.args[0])
docs: As per :rfc:`3.2` the token endpoint *only* supports POST requests.