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import warnings
import numpy as np
from numpy.testing import assert_warns, assert_array_equal
import pywt
def test_intwave_deprecation():
wavelet = pywt.Wavelet('db3')
assert_warns(DeprecationWarning, pywt.intwave, wavelet)
def test_centrfrq_deprecation():
wavelet = pywt.Wavelet('db3')
assert_warns(DeprecationWarning, pywt.centrfrq, wavelet)
def test_scal2frq_deprecation():
wavelet = pywt.Wavelet('db3')
assert_warns(DeprecationWarning, pywt.scal2frq, wavelet, 1)
def test_orthfilt_deprecation():
assert_warns(DeprecationWarning, pywt.orthfilt, range(6))
def test_integrate_wave_tuple():
sig = [0, 1, 2, 3]
xgrid = [0, 1, 2, 3]
assert_warns(DeprecationWarning, pywt.integrate_wavelet, (sig, xgrid))
old_modes = ['zpd',
'cpd',
'sym',
'ppd',
'sp1',
'per',
]
def test_MODES_from_object_deprecation():
for mode in old_modes:
assert_warns(DeprecationWarning, pywt.Modes.from_object, mode)
def test_MODES_attributes_deprecation():
def get_mode(Modes, name):
return getattr(Modes, name)
for mode in old_modes:
assert_warns(DeprecationWarning, get_mode, pywt.Modes, mode)
def test_MODES_deprecation_new():
def use_MODES_new():
return pywt.MODES.symmetric
assert_warns(DeprecationWarning, use_MODES_new)
def test_MODES_deprecation_old():
def use_MODES_old():
return pywt.MODES.sym
assert_warns(DeprecationWarning, use_MODES_old)
def test_MODES_deprecation_getattr():
def use_MODES_new():
return getattr(pywt.MODES, 'symmetric')
assert_warns(DeprecationWarning, use_MODES_new)
def test_mode_equivalence():
old_new = [('zpd', 'zero'),
('cpd', 'constant'),
('sym', 'symmetric'),
('ppd', 'periodic'),
('sp1', 'smooth'),
('per', 'periodization')]
x = np.arange(8.)
with warnings.catch_warnings():
warnings.simplefilter('ignore', DeprecationWarning)
for old, new in old_new:
assert_array_equal(pywt.dwt(x, 'db2', mode=old),
pywt.dwt(x, 'db2', mode=new))
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