views.py 文件源码

def get_context_data(self, **kwargs):
        template = self.kwargs['template']
        templates = []
        try:
            default_engine = Engine.get_default()
        except ImproperlyConfigured:
            # Non-trivial TEMPLATES settings aren't supported (#24125).
            pass
        else:
            # This doesn't account for template loaders (#24128).
            for index, directory in enumerate(default_engine.dirs):
                template_file = os.path.join(directory, template)
                if os.path.exists(template_file):
                    with open(template_file) as f:
                        template_contents = f.read()
                else:
                    template_contents = ''
                templates.append({
                    'file': template_file,
                    'exists': os.path.exists(template_file),
                    'contents': template_contents,
                    'order': index,
                })
        kwargs.update({
            'name': template,
            'templates': templates,
        })
        return super(TemplateDetailView, self).get_context_data(**kwargs)


####################
# Helper functions #
####################