89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
import pynini
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from fun_text_processing.text_normalization.zh.graph_utils import (
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FUN_NOT_QUOTE,
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GraphFst,
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delete_space,
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)
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from fun_text_processing.text_normalization.zh.utils import UNIT_1e01, get_abs_path
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from pynini.lib import pynutil
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class Time(GraphFst):
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"""
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tokens { time { h: "1" m: "02" s: "36" } } -> 一点零二分三十六秒
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tokens { time { suffix "am" hours: "1" minutes: "02" seconds: "36" } } -> 上午一点零二分三十六秒
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"""
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def __init__(self, deterministic: bool = True, lm: bool = False):
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super().__init__(name="time", kind="verbalize", deterministic=deterministic)
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graph_digit = pynini.string_file(get_abs_path("data/number/digit.tsv"))
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graph_teen = pynini.string_file(get_abs_path("data/number/digit_teen.tsv"))
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graph_zero = pynini.string_file(get_abs_path("data/number/zero.tsv"))
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graph_no_zero = pynini.cross("0", "")
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graph_digit_no_zero = graph_digit | graph_no_zero
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graph_2_digit_zero_none = pynini.cross("0", "") + pynini.cross("0", "")
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graph_2_digit_zero = pynini.cross("00", "零")
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graph_2_digit_time = (graph_teen + pynutil.insert(UNIT_1e01) + graph_digit_no_zero) | (
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graph_zero + graph_digit
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)
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h = graph_2_digit_time | graph_2_digit_zero | graph_digit
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m = graph_2_digit_time | graph_2_digit_zero
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s = graph_2_digit_time | graph_2_digit_zero
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# 6:25
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h_m = (
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pynutil.delete('hours: "')
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+ h
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+ pynutil.insert("点")
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+ pynutil.delete('"')
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+ delete_space
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+ pynutil.delete('minutes: "')
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+ (graph_2_digit_time)
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+ pynutil.insert("分")
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+ pynutil.delete('"')
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)
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# 23:00
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h_00 = (
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pynutil.delete('hours: "')
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+ h
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+ pynutil.insert("点")
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+ pynutil.delete('"')
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+ delete_space
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+ pynutil.delete('minutes: "')
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+ (graph_2_digit_zero_none)
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+ pynutil.delete('"')
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)
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# 9:12:52
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h_m_s = (
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pynutil.delete('hours: "')
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+ h
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+ pynutil.insert("点")
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+ pynutil.delete('"')
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+ delete_space
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+ pynutil.delete('minutes: "')
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+ m
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+ pynutil.insert("分")
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+ pynutil.delete('"')
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+ delete_space
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+ pynutil.delete('seconds: "')
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+ s
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+ pynutil.insert("秒")
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+ pynutil.delete('"')
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)
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graph = h_m | h_m_s | h_00
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graph_suffix = (
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pynutil.delete('suffix: "')
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+ pynini.closure(FUN_NOT_QUOTE)
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+ pynutil.delete('"')
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+ delete_space
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+ graph
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)
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graph |= graph_suffix
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self.fst = self.delete_tokens(graph).optimize()
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