INNER CODE UNIT · Python

create_zip

mdeff/fma · creation.py:184

    def create_zip(zip_filename, base_dir, filepaths):

        # Audio: all compressions are the same.
        # CSV: stored > deflated > BZIP2 > LZMA.
        # LZMA is close to BZIP2 and too recent to be widely available (unzip).
        compression = zipfile.ZIP_BZIP2

        zip_filepath = os.path.join(dst_dir, zip_filename)
        with zipfile.ZipFile(zip_filepath, 'x', compression) as zf:

            def info(name):
                name = os.path.join(zip_filename[:-4], name)
                info = zipfile.ZipInfo(name, (2017, 4, 1, 0, 0, 0))
                info.external_attr = 0o444 << 16 | 0o2 << 30
                return info

            zf.writestr(info('README.txt'), README, compression)

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