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54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
# coding: utf-8
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from msgpack._version import version
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from msgpack.exceptions import *
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from collections import namedtuple
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class ExtType(namedtuple('ExtType', 'code data')):
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"""ExtType represents ext type in msgpack."""
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def __new__(cls, code, data):
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if not isinstance(code, int):
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raise TypeError("code must be int")
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if not isinstance(data, bytes):
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raise TypeError("data must be bytes")
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if not 0 <= code <= 127:
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raise ValueError("code must be 0~127")
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return super(ExtType, cls).__new__(cls, code, data)
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import os
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if os.environ.get('MSGPACK_PUREPYTHON'):
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from msgpack.fallback import Packer, unpack, unpackb, Unpacker
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else:
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try:
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from msgpack._packer import Packer
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from msgpack._unpacker import unpack, unpackb, Unpacker
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except ImportError:
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from msgpack.fallback import Packer, unpack, unpackb, Unpacker
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def pack(o, stream, **kwargs):
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"""
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Pack object `o` and write it to `stream`
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See :class:`Packer` for options.
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"""
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packer = Packer(**kwargs)
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stream.write(packer.pack(o))
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def packb(o, **kwargs):
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"""
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Pack object `o` and return packed bytes
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See :class:`Packer` for options.
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"""
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return Packer(**kwargs).pack(o)
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# alias for compatibility to simplejson/marshal/pickle.
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load = unpack
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loads = unpackb
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dump = pack
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dumps = packb
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