backup utils

backup_utils.py

class BackupApi(MethodView):
    def get(self):

        def filesize_humanize(size):
            if size < 1024:
                return f'{size} bytes'
            elif size < 1024 * 1024:
                return f'{size / 1024:.2f} KB'
            elif size < 1024 * 1024 * 1024:
                return f'{size / 1024 / 1024:.2f} MB'
            elif size < 1024 * 1024 * 1024 * 1024:
                return f'{size / 1024 / 1024 / 1024:.2f} GB'
            else:
                return f'{size / 1024 / 1024 / 1024 / 1024:.2f} TB'

        def get_backup_info(item):
            filename = os.path.basename(item)

            return {
                'file': filename,
                'size': filesize_humanize(os.path.getsize(item)),
                'date': datetime.fromtimestamp(os.path.getmtime(item)).strftime('%Y-%m-%d %H:%M:%S')
            }

        source = session.get('source', '')

        patternfile = os.path.join(current_app.root_path, 'backups', source, '*.tgz')
        lista = glob.glob(patternfile)
        print(lista)
        lista.sort()
        print(lista)
        lista = map(get_backup_info, lista)
        lista = [dict(item) for item in lista]
        return jsonify(lista)