Zstd#

class numcodecs.zstd.Zstd(level=1)#

Codec providing compression using Zstandard.

Parameters:
levelint

Compression level (1-22).

codec_id = 'zstd'#

Codec identifier.

encode(self, buf)#
decode(self, buf, out=None)#
get_config()#

Return a dictionary holding configuration parameters for this codec. Must include an ‘id’ field with the codec identifier. All values must be compatible with JSON encoding.

classmethod from_config(config)#

Instantiate codec from a configuration object.

Helper functions#

numcodecs.zstd.compress(source, int level=DEFAULT_CLEVEL)#

Compress data.

Parameters:
sourcebytes-like

Data to be compressed. Can be any object supporting the buffer protocol.

levelint

Compression level (1-22).

Returns:
destbytes

Compressed data.

numcodecs.zstd.decompress(source, dest=None)#

Decompress data.

Parameters:
sourcebytes-like

Compressed data. Can be any object supporting the buffer protocol.

destarray-like, optional

Object to decompress into.

Returns:
destbytes

Object containing decompressed data.