def __new__(klass,*criteria):
criteria, all = map(ISeededCriterion,criteria), []
nt = criteria[0].node_type
for c in criteria:
if c.node_type is not nt:
raise ValueError("Mismatched dispatch types", criteria)
if c.__class__ is klass:
# flatten nested criteria
all.extend([c for c in c.criteria if c not in all])
elif c not in all:
all.append(c)
if len(all)==1:
return all[0]
self = object.__new__(klass)
self.node_type = nt
AbstractCriterion.__init__(self,frozenset(all))
return self
def __new__(klass, *criteria):
criteria, all = list(map(ISeededCriterion, criteria)), []
nt = criteria[0].node_type
for c in criteria:
if c.node_type is not nt:
raise ValueError("Mismatched dispatch types", criteria)
if c.__class__ is klass:
# flatten nested criteria
all.extend([c for c in c.criteria if c not in all])
elif c not in all:
all.append(c)
if len(all) == 1:
return all[0]
self = object.__new__(klass)
self.node_type = nt
AbstractCriterion.__init__(self, frozenset(all))
return self
def __init__(self,truth=True):
AbstractCriterion.__init__(self,bool(truth))
def __init__(self, criterion):
criterion = ISeededCriterion(criterion)
AbstractCriterion.__init__(self,(criterion,))
self.node_type = criterion.node_type
def __init__(self, truth=True):
AbstractCriterion.__init__(self, bool(truth))
def __init__(self, criterion):
criterion = ISeededCriterion(criterion)
AbstractCriterion.__init__(self, (criterion, ))
self.node_type = criterion.node_type
