ZFPY¶
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class
numcodecs.zfpy.
ZFPY
(mode=<Mock id='140593833551184'>, tolerance=-1, rate=-1, precision=-1, compression_kwargs=None)[source]¶ Codec providing compression using zfpy via the Python standard library.
Parameters: - mode : integer
One of the zfpy mode choice, e.g.,
zfpy.mode_fixed_accuracy
.- tolerance : double, optional
A double-precision number, specifying the compression accuracy needed.
- rate : double, optional
A double-precision number, specifying the compression rate needed.
- precision : int, optional
A integer number, specifying the compression precision needed.
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codec_id
= 'zfpy'¶
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encode
(buf)[source]¶ Encode data in buf.
Parameters: - buf : buffer-like
Data to be encoded. May be any object supporting the new-style buffer protocol.
Returns: - enc : buffer-like
Encoded data. May be any object supporting the new-style buffer protocol.
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decode
(buf, out=None)[source]¶ Decode data in buf.
Parameters: - buf : buffer-like
Encoded data. May be any object supporting the new-style buffer protocol.
- out : buffer-like, optional
Writeable buffer to store decoded data. N.B. if provided, this buffer must be exactly the right size to store the decoded data.
Returns: - dec : buffer-like
Decoded data. May be any object supporting the new-style buffer protocol.
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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.
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classmethod
from_config
(config)¶ Instantiate codec from a configuration object.