file_widget.py 文件源码

def value_from_datadict(self, data, files, name):
        file_data = data["id_" + name]

        """
        file_data: <file_name>:::data:<file content type>;base64,<base64 encoded file data>
        Example : PG Deletion.txt:::data:text/plain;base64,UEcgRGVsZXRpb2tpIjsKCg==
        """

        _data_list = file_data.split(":::")

        if len(_data_list) == 1:
            return None

        file_name = _data_list[0]
        _data_list = _data_list[1].split(";base64,")

        file_extension = _data_list[0].split("data:")[1]
        file_content = _data_list[1]

        return ContentFile(base64.b64decode(file_content), name=file_name)