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import pynini
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from fun_text_processing.text_normalization.zh.graph_utils import FUN_NOT_QUOTE, GraphFst
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from pynini.lib import pynutil
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class Whitelist(GraphFst):
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'''
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tokens { whitelist: "ATM" } -> A T M
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'''
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def __init__(self, deterministic: bool = True, lm: bool = False):
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super().__init__(name="whitelist", kind="verbalize", deterministic=deterministic)
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remove_erhua = pynutil.delete("erhua: \"") + pynutil.delete("儿") + pynutil.delete("\"")
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whitelist = pynutil.delete("name: \"") + pynini.closure(FUN_NOT_QUOTE) + pynutil.delete("\"")
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graph = remove_erhua | whitelist
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self.fst = graph.optimize()
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