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Merge pull request #10152 from alalek:py_fix_isalgorithm

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Vadim Pisarevsky 2017-11-28 10:46:41 +00:00
commit b900496c40
1 changed files with 19 additions and 1 deletions
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20
modules/python/src2/gen2.py
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@ -1027,10 +1027,28 @@ class PythonWrapperGenerator(object):
print("Generator error: unable to resolve base %s for %s"
% (classinfo.base, classinfo.name))
sys.exit(-1)
base_instance = self.classes[base]
classinfo.base = base
classinfo.isalgorithm |= self.classes[base].isalgorithm
classinfo.isalgorithm |= base_instance.isalgorithm # wrong processing of 'isalgorithm' flag:
# doesn't work for trees(graphs) with depth > 2
self.classes[name] = classinfo
# tree-based propagation of 'isalgorithm'
processed = dict()
def process_isalgorithm(classinfo):
if classinfo.isalgorithm or classinfo in processed:
return classinfo.isalgorithm
res = False
if classinfo.base:
res = process_isalgorithm(self.classes[classinfo.base])
#assert not (res == True or classinfo.isalgorithm is False), "Internal error: " + classinfo.name + " => " + classinfo.base
classinfo.isalgorithm |= res
res = classinfo.isalgorithm
processed[classinfo] = True
return res
for name, classinfo in self.classes.items():
process_isalgorithm(classinfo)
# step 2: generate code for the classes and their methods
classlist = list(self.classes.items())
classlist.sort()