How to use the numcodecs.registry.register_codec function in numcodecs

from numcodecs.lz4 import LZ4
    register_codec(LZ4)
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.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

`_.

"""

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:

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)

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)

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)

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.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

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

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