Function compress

Lib/compression/zstd/__init__.py:136–149

Return Zstandard compressed *data* as bytes. *level* is an int specifying the compression level to use, defaulting to COMPRESSION_LEVEL_DEFAULT ('3'). *options* is a dict object that contains advanced compression parameters. See CompressionParameter for more on options. *zstd_di

(data, level=None, options=None, zstd_dict=None)

def compress(data, level=None, options=None, zstd_dict=None):
    """Return Zstandard compressed *data* as bytes.

    *level* is an int specifying the compression level to use, defaulting to
    COMPRESSION_LEVEL_DEFAULT ('3').
    *options* is a dict object that contains advanced compression
    parameters. See CompressionParameter for more on options.
    *zstd_dict* is a ZstdDict object, a pre-trained Zstandard dictionary. See
    the function train_dict for how to train a ZstdDict on sample data.

    For incremental compression, use a ZstdCompressor instead.
    """
    comp = ZstdCompressor(level=level, options=options, zstd_dict=zstd_dict)
    return comp.compress(data, mode=ZstdCompressor.FLUSH_FRAME)


def decompress(data, zstd_dict=None, options=None):