def idxs2str(indices):
""""""
shape = Configurable.tupleshape(indices)
if len(shape) == 2:
return ' '.join(':'.join(str(subidx) for subidx in index) if index[0] == Vocab.UNK else str(index[0]) for index in indices)
elif len(shape) == 1:
return ' '.join(str(index) for index in indices)
elif len(shape) == 0:
return ''
else:
raise ValueError('Indices should have len(shape) 1 or 2, not %d' % len(shape))
return
