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import pynini
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from fun_text_processing.text_normalization.en.graph_utils import DAMO_NOT_QUOTE, GraphFst, delete_space
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from pynini.lib import pynutil
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class MeasureFst(GraphFst):
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"""
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Finite state transducer for verbalizing measure
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e.g. measure { cardinal { integer: "2 кг" } } -> "2 кг"
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"""
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def __init__(self):
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super().__init__(name="measure", kind="verbalize")
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graph = (
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pynutil.delete(" cardinal { integer: \"")
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+ pynini.closure(DAMO_NOT_QUOTE, 1)
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+ pynutil.delete("\"")
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+ delete_space
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+ pynutil.delete("}")
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)
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delete_tokens = self.delete_tokens(graph)
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self.fst = delete_tokens.optimize()
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