def expand_to_set(X):
if isinstance(X, set):
return X
elif isinstance(X, list):
return set(X)
elif isinstance(X, type(lambda:0)):
return self.selection(X)
elif isinstance(X, str):
return set(parse_job_list(X))
else:
assert False, 'Wrong type %s' % type(X)
def f(s): # it's a generator, you should try to read it
return list(parse_job_list(s))