def get_context_data(self,**kwargs):
context = self.get_listing()<EOL>context['<STR_LIT>'] = getConstant('<STR_LIT>') or '<STR_LIT:all>'<EOL>context.update(kwargs)<EOL>self.set_return_page('<STR_LIT>',_('<STR_LIT>'))<EOL>return super(ClassRegistrationView,self).get_context_data(**context)<EOL>
Add the event and series listing data