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# ==========================================================================
#
# Copyright NumFOCUS
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0.txt
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# ==========================================================================*/
# a short program to check the value returned by the GetNameOfClass() methods
import itk
import sys
itk.auto_progress(2)
# must force the load to return all the names with dir(itk)
itk.force_load()
# itk.ImageToImageFilter
def wrongClassName(cl, name):
o = cl.New()
# be sure that the type of the instantiated object is the same
# than the one of the class. It can be different if the class
# is an "abstract" one and don't provide any New() method.
# In that case, the one of the superclass is used.
return o.GetNameOfClass() != name and itk.class_(o) == cl
# a list of classes to exclude. Typically, the classes with a custom New()
# method, which return a subclass of the current class
exclude = [
"OutputWindow",
"MultiThreaderBase",
"templated_class",
"CustomColormapFunction",
"ScanlineFilterCommon", # Segfault
"cvar",
# FFT classes rely on object factory backend overrides
"ForwardFFTImageFilter",
"Forward1DFFTImageFilter",
"InverseFFTImageFilter",
"Inverse1DFFTImageFilter",
"ComplexToComplexFFTImageFilter",
"ComplexToComplex1DFFTImageFilter",
"HalfHermitianToRealInverseFFTImageFilter",
"RealToHalfHermitianForwardFFTImageFilter",
]
wrongName = 0
totalName = 0
for t in dir(itk):
if t not in exclude:
T = itk.__dict__[t]
# first case - that's a templated class
if isinstance(T, itk.Vector.__class__) and len(T) > 0:
# use only the first specialization - all of them return the same
# name
i = T.values()[0]
# GetNameOfClass() is a virtual method of the LightObject class,
# so we must instantiate an object with the New() method
if "New" in dir(i) and "GetNameOfClass" in dir(i):
totalName += 1
if wrongClassName(i, t):
msg = f"{T}: wrong class name: {t}"
print(msg, file=sys.stderr)
wrongName += 1
else:
if "New" in dir(T) and "GetNameOfClass" in dir(T):
totalName += 1
if wrongClassName(T, t):
msg = f"{T}: wrong class name: {t}"
print(msg, file=sys.stderr)
o = T.New()
print(itk.class_(o), file=sys.stderr)
print(o.GetNameOfClass(), file=sys.stderr)
wrongName += 1
print(f"{totalName} classes checked.")
if wrongName:
print(f"{wrongName} classes are not providing the correct name.", file=sys.stderr)
sys.exit(1)
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