import pynini
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from fun_text_processing.text_normalization.en.graph_utils import DAMO_NOT_QUOTE, GraphFst
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from pynini.lib import pynutil
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class DateFst(GraphFst):
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"""
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Finite state transducer for verbalizing date, e.g.
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date { day: "02.03.89" } -> "02.03.89"
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"""
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def __init__(self):
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super().__init__(name="date", kind="verbalize")
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graph = pynutil.delete('day: "') + pynini.closure(DAMO_NOT_QUOTE, 1) + pynutil.delete('"')
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delete_tokens = self.delete_tokens(graph.optimize())
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self.fst = delete_tokens.optimize()
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