views.py 文件源码

def get_context_data(self, **kwargs):
        filters = []
        try:
            engine = Engine.get_default()
        except ImproperlyConfigured:
            # Non-trivial TEMPLATES settings aren't supported (#24125).
            pass
        else:
            app_libs = sorted(engine.template_libraries.items())
            builtin_libs = [('', lib) for lib in engine.template_builtins]
            for module_name, library in builtin_libs + app_libs:
                for filter_name, filter_func in library.filters.items():
                    title, body, metadata = utils.parse_docstring(filter_func.__doc__)
                    if title:
                        title = utils.parse_rst(title, 'filter', _('filter:') + filter_name)
                    if body:
                        body = utils.parse_rst(body, 'filter', _('filter:') + filter_name)
                    for key in metadata:
                        metadata[key] = utils.parse_rst(metadata[key], 'filter', _('filter:') + filter_name)
                    tag_library = module_name.split('.')[-1]
                    filters.append({
                        'name': filter_name,
                        'title': title,
                        'body': body,
                        'meta': metadata,
                        'library': tag_library,
                    })
        kwargs.update({'filters': filters})
        return super(TemplateFilterIndexView, self).get_context_data(**kwargs)