Example #1
0
from __future__ import absolute_import, print_function, division
import itertools

import nose
import numpy as np

try:
    from numcodecs.lzma import LZMA, _lzma
except ImportError:  # pragma: no cover
    raise nose.SkipTest("LZMA not available")

from numcodecs.tests.common import check_encode_decode, check_config, check_repr, \
    check_backwards_compatibility

codecs = [
    LZMA(),
    LZMA(preset=1),
    LZMA(preset=5),
    LZMA(preset=9),
    LZMA(format=_lzma.FORMAT_RAW,
         filters=[dict(id=_lzma.FILTER_LZMA2, preset=1)])
]

# mix of dtypes: integer, float, bool, string
# mix of shapes: 1D, 2D, 3D
# mix of orders: C, F
arrays = [
    np.arange(1000, dtype='i4'),
    np.linspace(1000, 1001, 1000, dtype='f8'),
    np.random.normal(loc=1000, scale=1, size=(100, 10)),
    np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
Example #2
0
def test_config():
    codec = LZMA(preset=1,
                 format=_lzma.FORMAT_XZ,
                 check=_lzma.CHECK_NONE,
                 filters=None)
    check_config(codec)
Example #3
0
def test_err_encode_object_buffer():
    check_err_encode_object_buffer(LZMA())