# flake8: noqa
"""Numcodecs is a Python package providing buffer compression and
transformation codecs for use in data storage and communication
applications. These include:

* Compression codecs, e.g., Zlib, BZ2, LZMA and Blosc.
* Pre-compression filters, e.g., Delta, Quantize, FixedScaleOffset,
  PackBits, Categorize.
* Integrity checks, e.g., CRC32, Adler32.

All codecs implement the same API, allowing codecs to be organized into
pipelines in a variety of ways.

If you have a question, find a bug, would like to make a suggestion or
contribute code, please `raise an issue on GitHub
<https://github.com/alimanfoo/numcodecs/issues>`_.

"""
from __future__ import absolute_import, print_function, division
import multiprocessing
import atexit


from numcodecs.version import version as __version__
from numcodecs.registry import get_codec, register_codec

from numcodecs.zlib import Zlib
register_codec(Zlib)

from numcodecs.gzip import GZip
register_codec(GZip)

from numcodecs.bz2 import BZ2
register_codec(BZ2)

try:
    from numcodecs.lzma import LZMA
    register_codec(LZMA)
except ImportError:  # pragma: no cover
    pass

try:
    from numcodecs import blosc
    from numcodecs.blosc import Blosc
    register_codec(Blosc)
    # initialize blosc
    try:
        ncores = multiprocessing.cpu_count()
    except OSError:  # pragma: no cover
        ncores = 1
    blosc.init()
    blosc.set_nthreads(min(8, ncores))
    atexit.register(blosc.destroy)
except ImportError:  # pragma: no cover
    pass

try:
    from numcodecs import zstd
    from numcodecs.zstd import Zstd
    register_codec(Zstd)
except ImportError:  # pragma: no cover
    pass

try:
    from numcodecs import lz4
    from numcodecs.lz4 import LZ4
    register_codec(LZ4)
except ImportError:  # pragma: no cover
    pass

try:
    from numcodecs import zfp
    from numcodecs.zfp import Zfp
    register_codec(Zfp)
except ImportError:  # pragma: no cover
    pass

from numcodecs.astype import AsType
register_codec(AsType)

from numcodecs.delta import Delta
register_codec(Delta)

from numcodecs.quantize import Quantize
register_codec(Quantize)

from numcodecs.fixedscaleoffset import FixedScaleOffset
register_codec(FixedScaleOffset)

from numcodecs.packbits import PackBits
register_codec(PackBits)

from numcodecs.categorize import Categorize
register_codec(Categorize)

from numcodecs.pickles import Pickle
register_codec(Pickle)

try:
    from numcodecs.msgpacks import MsgPack
    register_codec(MsgPack)
except ImportError: # pragma: no cover
    pass

from numcodecs.checksum32 import CRC32, Adler32
register_codec(CRC32)
register_codec(Adler32)

from numcodecs.json import JSON
register_codec(JSON)

try:
    from numcodecs import vlen
    from numcodecs.vlen import VLenUTF8, VLenBytes, VLenArray
    register_codec(VLenUTF8)
    register_codec(VLenBytes)
    register_codec(VLenArray)
except ImportError:  # pragma: no cover
    pass
