def fetch(self, url) -> bytes: """ Fetch weather mosmix file (zipped xml). """ buffer = self.download(url) zfs = ZipFileSystem(buffer, "r") return zfs.open(zfs.glob("*")[0]).read()
def __download_climate_observations_data(remote_file: str) -> bytes: try: file = download_file(remote_file, ttl=CacheExpiry.FIVE_MINUTES) except InvalidURL as e: raise InvalidURL(f"Error: the station data {remote_file} could not be reached.") from e except Exception: raise FailedDownload(f"Download failed for {remote_file}") try: zfs = ZipFileSystem(file) except BadZipFile as e: raise BadZipFile(f"The archive of {remote_file} seems to be corrupted.") from e product_file = zfs.glob("produkt*") if len(product_file) != 1: raise ProductFileNotFound(f"The archive of {remote_file} does not hold a 'produkt' file.") return zfs.open(product_file[0]).read()