Zstd¶
- class numcodecs.zstd.Zstd(level=1)¶
Codec providing compression using Zstandard.
- Parameters
- levelint
Compression level (1-22).
See also
- 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.