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62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# coding: utf-8
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from collections import namedtuple
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from msgpack import packb, unpackb, ExtType
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def test_namedtuple():
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T = namedtuple('T', "foo bar")
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def default(o):
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if isinstance(o, T):
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return dict(o._asdict())
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raise TypeError('Unsupported type %s' % (type(o),))
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packed = packb(T(1, 42), strict_types=True, use_bin_type=True, default=default)
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unpacked = unpackb(packed, raw=False)
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assert unpacked == {'foo': 1, 'bar': 42}
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def test_tuple():
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t = ('one', 2, b'three', (4, ))
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def default(o):
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if isinstance(o, tuple):
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return {
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'__type__': 'tuple',
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'value': list(o),
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}
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raise TypeError('Unsupported type %s' % (type(o),))
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def convert(o):
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if o.get('__type__') == 'tuple':
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return tuple(o['value'])
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return o
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data = packb(t, strict_types=True, use_bin_type=True, default=default)
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expected = unpackb(data, raw=False, object_hook=convert)
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assert expected == t
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def test_tuple_ext():
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t = ('one', 2, b'three', (4, ))
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MSGPACK_EXT_TYPE_TUPLE = 0
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def default(o):
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if isinstance(o, tuple):
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# Convert to list and pack
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payload = packb(
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list(o), strict_types=True, use_bin_type=True, default=default)
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return ExtType(MSGPACK_EXT_TYPE_TUPLE, payload)
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raise TypeError(repr(o))
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def convert(code, payload):
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if code == MSGPACK_EXT_TYPE_TUPLE:
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# Unpack and convert to tuple
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return tuple(unpackb(payload, raw=False, ext_hook=convert))
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raise ValueError('Unknown Ext code {}'.format(code))
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data = packb(t, strict_types=True, use_bin_type=True, default=default)
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expected = unpackb(data, raw=False, ext_hook=convert)
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assert expected == t
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