views.py 文件源码

def post(self, request, assignment_name=None):
        if request.POST.get('ext_content_intended_use', '') == 'embed':
            domain = self.request.get_host()
            url = '%s://%s/%s?return_url=%s' % (
                self.request.scheme, domain,
                settings.LTI_TOOL_CONFIGURATION.get('embed_url'),
                request.POST.get('launch_presentation_return_url'))
        elif assignment_name:
            assignments = settings.LTI_TOOL_CONFIGURATION['assignments']
            url = assignments[assignment_name]
        elif settings.LTI_TOOL_CONFIGURATION.get('new_tab'):
            url = reverse('lti-landing-page')
        else:
            url = settings.LTI_TOOL_CONFIGURATION['landing_url'].format(
                self.request.scheme, self.request.get_host())

        # custom parameters can be tacked on here
        url = self.add_custom_parameters(url)

        return HttpResponseRedirect(url)