|
|
import pynini
|
from fun_text_processing.text_normalization.en.graph_utils import (
|
DAMO_NOT_QUOTE,
|
DAMO_SIGMA,
|
DAMO_SPACE,
|
DAMO_WHITE_SPACE,
|
GraphFst,
|
delete_extra_space,
|
delete_preserve_order,
|
)
|
from fun_text_processing.text_normalization.es.graph_utils import ones
|
from fun_text_processing.text_normalization.es.utils import get_abs_path
|
from pynini.lib import pynutil
|
|
unit_plural_fem = pynini.string_file(get_abs_path("data/measures/measurements_plural_fem.tsv"))
|
unit_plural_masc = pynini.string_file(get_abs_path("data/measures/measurements_plural_masc.tsv"))
|
|
unit_singular_fem = pynini.project(unit_plural_fem, "input")
|
unit_singular_masc = pynini.project(unit_plural_masc, "input")
|
|
unit_plural_fem = pynini.project(unit_plural_fem, "output")
|
unit_plural_masc = pynini.project(unit_plural_masc, "output")
|
|
|
class MeasureFst(GraphFst):
|
"""
|
Finite state transducer for verbalizing measure, e.g.
|
measure { cardinal { integer: "dos" units: "gramos" } } -> "dos gramos"
|
measure { decimal { integer_part: "dos" quantity: "millones" units: "gramos" } } -> "dos millones de gramos"
|
|
Args:
|
decimal: DecimalFst
|
cardinal: CardinalFst
|
fraction: FractionFst
|
deterministic: if True will provide a single transduction option,
|
for False multiple transduction are generated (used for audio-based normalization)
|
"""
|
|
def __init__(self, decimal: GraphFst, cardinal: GraphFst, fraction: GraphFst, deterministic: bool):
|
super().__init__(name="measure", kind="verbalize", deterministic=deterministic)
|
|
graph_decimal_masc = decimal.delete_tokens(decimal.graph_masc)
|
graph_decimal_fem = decimal.delete_tokens(decimal.graph_fem)
|
graph_cardinal_masc = cardinal.delete_tokens(cardinal.graph_masc)
|
graph_cardinal_fem = cardinal.delete_tokens(cardinal.graph_fem)
|
graph_fraction_fem = fraction.delete_tokens(fraction.graph_fem)
|
graph_fraction_masc = fraction.delete_tokens(fraction.graph_masc)
|
|
unit_masc = (unit_plural_masc | unit_singular_masc) + pynini.closure(
|
DAMO_WHITE_SPACE + "por" + pynini.closure(DAMO_NOT_QUOTE, 1), 0, 1
|
)
|
unit_masc |= "por" + pynini.closure(DAMO_NOT_QUOTE, 1)
|
unit_masc = pynutil.delete("units: \"") + (pynini.closure(DAMO_NOT_QUOTE) @ unit_masc) + pynutil.delete("\"")
|
|
unit_fem = (unit_plural_fem | unit_singular_fem) + pynini.closure(
|
DAMO_WHITE_SPACE + "por" + pynini.closure(DAMO_NOT_QUOTE, 1), 0, 1
|
)
|
unit_fem = pynutil.delete("units: \"") + (pynini.closure(DAMO_NOT_QUOTE) @ unit_fem) + pynutil.delete("\"")
|
|
graph_masc = (graph_cardinal_masc | graph_decimal_masc) + DAMO_WHITE_SPACE + unit_masc
|
graph_masc |= graph_fraction_masc + DAMO_WHITE_SPACE + pynutil.insert("de ") + unit_masc
|
graph_masc |= pynutil.add_weight(
|
graph_fraction_masc @ (DAMO_SIGMA + pynini.union("medio", "medios")) + DAMO_WHITE_SPACE + unit_masc, -0.001
|
) # "medio litro" not "medio de litro"
|
|
graph_fem = (graph_cardinal_fem | graph_decimal_fem) + DAMO_WHITE_SPACE + unit_fem
|
graph_fem |= graph_fraction_fem + DAMO_WHITE_SPACE + pynutil.insert("de ") + unit_fem
|
graph_fem |= pynutil.add_weight(
|
graph_fraction_fem @ (DAMO_SIGMA + pynini.union("media", "medias")) + DAMO_WHITE_SPACE + unit_fem, -0.001
|
)
|
|
graph = graph_masc | graph_fem
|
|
graph = (
|
pynini.cdrewrite(
|
pynutil.insert(" de"), "quantity: \"" + pynini.closure(DAMO_NOT_QUOTE, 1), "\"", DAMO_SIGMA
|
)
|
@ graph
|
) # billones de xyz
|
|
graph @= pynini.cdrewrite(pynini.cross(ones, "uno"), "", DAMO_WHITE_SPACE + "por", DAMO_SIGMA)
|
|
# To manage alphanumeric combonations ("a-8, 5x"), we let them use a weighted default path.
|
alpha_num_unit = pynutil.delete("units: \"") + pynini.closure(DAMO_NOT_QUOTE) + pynutil.delete("\"")
|
graph_alpha_num = pynini.union(
|
(graph_cardinal_masc | graph_decimal_masc) + DAMO_SPACE + alpha_num_unit,
|
alpha_num_unit + delete_extra_space + (graph_cardinal_masc | graph_decimal_masc),
|
)
|
|
graph |= pynutil.add_weight(graph_alpha_num, 0.01)
|
|
graph += delete_preserve_order
|
|
delete_tokens = self.delete_tokens(graph)
|
self.fst = delete_tokens.optimize()
|
