def test_integer(self):
x = -(2 ** 63)
assert unpackb(packb(x)) == x
self.assertRaises((OverflowError, ValueError), packb, x - 1)
x = 2 ** 64 - 1
assert unpackb(packb(x)) == x
self.assertRaises((OverflowError, ValueError), packb, x + 1)
def test_odict(self):
seq = [(b'one', 1), (b'two', 2), (b'three', 3), (b'four', 4)]
od = OrderedDict(seq)
assert unpackb(packb(od), use_list=1) == dict(seq)
def pair_hook(seq):
return list(seq)
assert unpackb(packb(od), object_pairs_hook=pair_hook, use_list=1) == seq
def test_integer(self):
x = -(2**63)
assert unpackb(packb(x)) == x
self.assertRaises((OverflowError, ValueError), packb, x - 1)
x = 2**64 - 1
assert unpackb(packb(x)) == x
self.assertRaises((OverflowError, ValueError), packb, x + 1)
def test_odict(self):
seq = [(b'one', 1), (b'two', 2), (b'three', 3), (b'four', 4)]
od = OrderedDict(seq)
assert unpackb(packb(od), use_list=1) == dict(seq)
def pair_hook(seq):
return list(seq)
assert unpackb(packb(od), object_pairs_hook=pair_hook,
use_list=1) == seq
def test_str8():
header = b'\xd9'
data = b'x' * 32
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\x20'
assert b[2:] == data
assert unpackb(b) == data
data = b'x' * 255
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\xff'
assert b[2:] == data
assert unpackb(b) == data
def test_str8():
header = b'\xd9'
data = b'x' * 32
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\x20'
assert b[2:] == data
assert unpackb(b) == data
data = b'x' * 255
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\xff'
assert b[2:] == data
assert unpackb(b) == data
def test_bin8():
header = b'\xc4'
data = b''
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\x00'
assert b[2:] == data
assert unpackb(b) == data
data = b'x' * 255
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\xff'
assert b[2:] == data
assert unpackb(b) == data
def test_bin8():
header = b'\xc4'
data = b''
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\x00'
assert b[2:] == data
assert unpackb(b) == data
data = b'x' * 255
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b'\xff'
assert b[2:] == data
assert unpackb(b) == data
def deserialize(bytes, dtype, copy=False):
if dtype == 'O':
try:
if msgpack.version >= (0, 5, 2):
unpack_kwargs = {'raw': False}
else:
unpack_kwargs = {'encoding': 'utf-8'}
blocks = [
msgpack.unpackb(f, **unpack_kwargs) for f in framesplit(bytes)
]
except Exception:
blocks = [pickle.loads(f) for f in framesplit(bytes)]
result = np.empty(sum(map(len, blocks)), dtype='O')
i = 0
for block in blocks:
result[i:i + len(block)] = block
i += len(block)
return result
else:
result = np.frombuffer(bytes, dtype)
if copy:
result = result.copy()
return result
def test_decode_pairs_hook(self):
packed = packb([3, {1: 2, 3: 4}])
prod_sum = 1 * 2 + 3 * 4
unpacked = unpackb(
packed, object_pairs_hook=lambda l: sum(k * v for k, v in l),
use_list=1)
assert unpacked[1] == prod_sum
def testIgnoreErrorsPack(self):
re = unpackb(packb(compat.u("abcФФФdef"),
encoding='ascii',
unicode_errors='ignore'),
encoding='utf-8',
use_list=1)
assert re == compat.u("abcdef")
def test_bin16():
header = b'\xc5'
data = b'x' * 256
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b'\x01\x00'
assert b[3:] == data
assert unpackb(b) == data
data = b'x' * 65535
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b'\xff\xff'
assert b[3:] == data
assert unpackb(b) == data
def test_bin16():
header = b'\xc5'
data = b'x' * 256
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b'\x01\x00'
assert b[3:] == data
assert unpackb(b) == data
data = b'x' * 65535
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b'\xff\xff'
assert b[3:] == data
assert unpackb(b) == data
def test_bin32():
header = b'\xc6'
data = b'x' * 65536
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 5
assert b[0:1] == header
assert b[1:5] == b'\x00\x01\x00\x00'
assert b[5:] == data
assert unpackb(b) == data
def loads(x):
try:
if msgpack.version >= (0, 5, 2):
unpack_kwargs = {'raw': False}
else:
unpack_kwargs = {'encoding': 'utf-8'}
return msgpack.unpackb(x, **unpack_kwargs)
except:
return pickle.loads(x)
def test_bin32():
header = b'\xc6'
data = b'x' * 65536
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 5
assert b[0:1] == header
assert b[1:5] == b'\x00\x01\x00\x00'
assert b[5:] == data
assert unpackb(b) == data
def testPackUTF32(self):
test_data = [
compat.u(""),
compat.u("abcd"),
[compat.u("defgh")],
compat.u("Русский текст"),
]
for td in test_data:
re = unpackb(packb(td, encoding='utf-32'), use_list=1, encoding='utf-32')
assert re == td
def testPackUTF32(self):
test_data = [
compat.u(""),
compat.u("abcd"),
[compat.u("defgh")],
compat.u("Русский текст"),
]
for td in test_data:
re = unpackb(
packb(td, encoding='utf-32'), use_list=1, encoding='utf-32')
assert re == td
def testPackUnicode(self):
test_data = [u(""), u("abcd"), [u("defgh")], u("Русский текст"), ]
for td in test_data:
re = unpackb(
packb(td, encoding='utf-8'), use_list=1, encoding='utf-8')
assert re == td
packer = Packer(encoding='utf-8')
data = packer.pack(td)
re = Unpacker(
compat.BytesIO(data), encoding='utf-8', use_list=1).unpack()
assert re == td
def unpack_file(fn, encoding='utf8'):
""" Unpack numpy array from filename
Supports binary data with bloscpack and text data with msgpack+blosc
>>> unpack_file('foo.blp') # doctest: +SKIP
array([1, 2, 3])
See also:
pack_file
"""
try:
return bloscpack.unpack_ndarray_file(fn)
except ValueError:
with open(fn, 'rb') as f:
return np.array(msgpack.unpackb(blosc.decompress(f.read()),
encoding=encoding))
def unpack_file(fn, encoding='utf8'):
""" Unpack numpy array from filename
Supports binary data with bloscpack and text data with msgpack+blosc
>>> unpack_file('foo.blp') # doctest: +SKIP
array([1, 2, 3])
See also:
pack_file
"""
try:
return bloscpack.unpack_ndarray_file(fn)
except ValueError:
with open(fn, 'rb') as f:
return np.array(
msgpack.unpackb(blosc.decompress(f.read()), encoding=encoding))
def test_extension_type():
def default(obj):
print('default called', obj)
if isinstance(obj, array.array):
typecode = 123 # application specific typecode
data = obj.tostring()
return ExtType(typecode, data)
raise TypeError("Unknwon type object %r" % (obj, ))
def ext_hook(code, data):
print('ext_hook called', code, data)
assert code == 123
obj = array.array('d')
obj.fromstring(data)
return obj
obj = [42, b'hello', array.array('d', [1.1, 2.2, 3.3])]
s = msgpack.packb(obj, default=default)
obj2 = msgpack.unpackb(s, ext_hook=ext_hook)
assert obj == obj2
def deserialize(bytes, dtype, copy=False):
if dtype == 'O':
try:
blocks = [
msgpack.unpackb(f, encoding='utf-8') for f in framesplit(bytes)
]
except Exception:
blocks = [pickle.loads(f) for f in framesplit(bytes)]
result = np.empty(sum(map(len, blocks)), dtype='O')
i = 0
for block in blocks:
result[i:i + len(block)] = block
i += len(block)
return result
else:
result = np.frombuffer(bytes, dtype)
if copy:
result = result.copy()
return result
def test_extension_type():
def default(obj):
print('default called', obj)
if isinstance(obj, array.array):
typecode = 123 # application specific typecode
data = obj.tostring()
return ExtType(typecode, data)
raise TypeError("Unknwon type object %r" % (obj,))
def ext_hook(code, data):
print('ext_hook called', code, data)
assert code == 123
obj = array.array('d')
obj.fromstring(data)
return obj
obj = [42, b'hello', array.array('d', [1.1, 2.2, 3.3])]
s = msgpack.packb(obj, default=default)
obj2 = msgpack.unpackb(s, ext_hook=ext_hook)
assert obj == obj2
def deserialize(bytes, dtype, copy=False):
if dtype == 'O':
try:
if msgpack.version >= (0, 5, 2):
unpack_kwargs = {'raw': False}
else:
unpack_kwargs = {'encoding': 'utf-8'}
blocks = [msgpack.unpackb(f, **unpack_kwargs)
for f in framesplit(bytes)]
except Exception:
blocks = [pickle.loads(f) for f in framesplit(bytes)]
result = np.empty(sum(map(len, blocks)), dtype='O')
i = 0
for block in blocks:
result[i:i + len(block)] = block
i += len(block)
return result
else:
result = np.frombuffer(bytes, dtype)
if copy:
result = result.copy()
return result
def match(obj, buf):
assert packb(obj) == buf
assert unpackb(buf, use_list=0) == obj
def testIgnoreUnicodeErrors(self):
re = unpackb(
packb(b'abc\xeddef'), encoding='utf-8', unicode_errors='ignore',
use_list=1)
assert re == "abcdef"
def test_pairlist(self):
pairlist = [(b'a', 1), (2, b'b'), (b'foo', b'bar')]
packer = Packer()
packed = packer.pack_map_pairs(pairlist)
unpacked = unpackb(packed, object_pairs_hook=list)
assert pairlist == unpacked
def test_unicode():
assert unpackb(packb('foobar'), use_list=1) == b'foobar'
def check(self, data, use_list=False):
re = unpackb(packb(data), use_list=use_list)
assert re == data
def testDecodeBinary(self):
re = unpackb(packb("abc"), encoding=None, use_list=1)
assert re == b"abc"
def test_array_hook(self):
packed = packb([1, 2, 3])
unpacked = unpackb(packed, list_hook=self._arr_to_str, use_list=1)
assert unpacked == '123'
def testIgnoreErrorsPack(self):
re = unpackb(
packb(
compat.u("abcФФФdef"), encoding='ascii',
unicode_errors='ignore'), encoding='utf-8', use_list=1)
assert re == compat.u("abcdef")
def check(ext, packed):
assert packb(ext) == packed
assert unpackb(packed) == ext
def f():
packed = packb({1: {'__complex__': True, 'real': 1, 'imag': 2}})
unpackb(packed, object_hook=self.bad_complex_decoder)
def f():
packed = packb({1: [{'__complex__': True, 'real': 1, 'imag': 2}]})
unpackb(packed, list_hook=self.bad_complex_decoder, use_list=1)
def test_unpack_buffer():
from array import array
buf = array('b')
buf.fromstring(packb(('foo', 'bar')))
obj = unpackb(buf, use_list=1)
assert [b'foo', b'bar'] == obj
def check(self, data, use_list=False):
re = unpackb(packb(data), use_list=use_list)
assert re == data
def test_decode_hook(self):
packed = packb([3, {b'__complex__': True, b'real': 1, b'imag': 2}])
unpacked = unpackb(packed,
object_hook=self._decode_complex,
use_list=1)
assert unpacked[1] == 1 + 2j
def f():
packed = packb({1: [{'__complex__': True, 'real': 1, 'imag': 2}]})
unpackb(packed, list_hook=self.bad_complex_decoder, use_list=1)
def f():
packed = packb([3, 1 + 2j], default=lambda o: o)
unpacked = unpackb(packed, use_list=1)
def testDecodeBinary(self):
re = unpackb(packb("abc"), encoding=None, use_list=1)
assert re == b"abc"
def f():
packed = packb({1: {'__complex__': True, 'real': 1, 'imag': 2}})
unpackb(packed, object_hook=self.bad_complex_decoder)
def loads(x):
try:
return msgpack.unpackb(x)
except:
return pickle.loads(x)
def check(length, obj):
v = packb(obj)
assert len(v) == length, \
"%r length should be %r but get %r" % (obj, length, len(v))
assert unpackb(v, use_list=0) == obj
def match(obj, buf):
assert packb(obj) == buf
assert unpackb(buf, use_list=0) == obj
def test_decode_hook(self):
packed = packb([3, {b'__complex__': True, b'real': 1, b'imag': 2}])
unpacked = unpackb(packed, object_hook=self._decode_complex,
use_list=1)
assert unpacked[1] == 1 + 2j
def test_unicode():
assert unpackb(packb('foobar'), use_list=1) == b'foobar'
def test_encode_hook(self):
packed = packb([3, 1 + 2j], default=self._encode_complex)
unpacked = unpackb(packed, use_list=1)
assert unpacked[1] == {b'__complex__': True, b'real': 1, b'imag': 2}
def test_array_hook(self):
packed = packb([1, 2, 3])
unpacked = unpackb(packed, list_hook=self._arr_to_str, use_list=1)
assert unpacked == '123'
def testIgnoreUnicodeErrors(self):
re = unpackb(packb(b'abc\xeddef'),
encoding='utf-8',
unicode_errors='ignore',
use_list=1)
assert re == "abcdef"
def f():
packed = packb([3, 1 + 2j], default=lambda o: o)
unpacked = unpackb(packed, use_list=1) # noqa
def check(length, obj):
v = packb(obj)
assert len(v) == length, \
"%r length should be %r but get %r" % (obj, length, len(v))
assert unpackb(v, use_list=0) == obj
def test_encode_hook(self):
packed = packb([3, 1 + 2j], default=self._encode_complex)
unpacked = unpackb(packed, use_list=1)
assert unpacked[1] == {b'__complex__': True, b'real': 1, b'imag': 2}
def check(b, expected):
assert msgpack.unpackb(b) == expected
def test_pairlist(self):
pairlist = [(b'a', 1), (2, b'b'), (b'foo', b'bar')]
packer = Packer()
packed = packer.pack_map_pairs(pairlist)
unpacked = unpackb(packed, object_pairs_hook=list)
assert pairlist == unpacked
