middleware.py 文件源码

def update_files_dictionary(self, *args):
        super(SPAMiddleware, self).update_files_dictionary(*args)
        index_page_suffix = '/' + self.index_name
        index_name_length = len(self.index_name)
        static_prefix_length = len(settings.STATIC_URL) - 1
        directory_indexes = {}
        for url, static_file in self.files.items():
            if url.endswith(index_page_suffix):
                # For each index file found, add a corresponding URL->content
                # mapping for the file's parent directory,
                # so that the index page is served for
                # the bare directory URL ending in '/'.
                parent_directory_url = url[:-index_name_length]
                directory_indexes[parent_directory_url] = static_file
                # remember the root page for any other unrecognised files
                # to be frontend-routed
                self.spa_root = static_file
            else:
                # also serve static files on /
                # e.g. serve /static/my/file.png on /my/file.png
                directory_indexes[url[static_prefix_length:]] = static_file
        self.files.update(directory_indexes)