import pynini
|
from fun_text_processing.inverse_text_normalization.fr.graph_utils import (
|
DAMO_NOT_QUOTE,
|
GraphFst,
|
delete_extra_space,
|
delete_space,
|
)
|
from pynini.lib import pynutil
|
|
|
class MoneyFst(GraphFst):
|
"""
|
Finite state transducer for verbalizing money, e.g.
|
money { integer_part: "12" fractional_part: "05" currency: "$" } -> 12.05 $
|
|
Args:
|
decimal: DecimalFst
|
"""
|
|
def __init__(self, decimal: GraphFst):
|
super().__init__(name="money", kind="verbalize")
|
unit = (
|
pynutil.delete("currency:")
|
+ delete_extra_space
|
+ pynutil.delete('"')
|
+ pynini.closure(DAMO_NOT_QUOTE, 1)
|
+ pynutil.delete('"')
|
)
|
graph = decimal.numbers + delete_space + unit
|
delete_tokens = self.delete_tokens(graph)
|
self.fst = delete_tokens.optimize()
|
