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# coding: utf-8

from ._version import version

from .exceptions import *

from .ext import ExtType, Timestamp

import os

import sys

if os.environ.get("MSGPACK_PUREPYTHON") or sys.version_info[0] == 2:

from .fallback import Packer, unpackb, Unpacker

else:

try:

from ._cmsgpack import Packer, unpackb, Unpacker

except ImportError:

from .fallback import Packer, unpackb, Unpacker

def pack(o, stream, **kwargs):

"""

Pack object `o` and write it to `stream`

See :class:`Packer` for options.

"""

packer = Packer(**kwargs)

stream.write(packer.pack(o))

def packb(o, **kwargs):

"""

Pack object `o` and return packed bytes

See :class:`Packer` for options.

"""

return Packer(**kwargs).pack(o)

def unpack(stream, **kwargs):

"""

Unpack an object from `stream`.

Raises `ExtraData` when `stream` contains extra bytes.

See :class:`Unpacker` for options.

"""

data = stream.read()

return unpackb(data, **kwargs)

# alias for compatibility to simplejson/marshal/pickle.

load = unpack

loads = unpackb

dump = pack

dumps = packb