Example #1
0
    def __init__(self):
        super().__init__(name="decimal", kind="classify")
        # negative, fractional_part, quantity, exponent, style(depre)

        graph_decimal = pynini.string_file(
            get_abs_path("data/numbers/digit.tsv"))
        graph_decimal |= pynini.string_file(
            get_abs_path("data/numbers/zero.tsv")) | pynini.cross("o", "0")

        graph_decimal = pynini.closure(graph_decimal +
                                       delete_space) + graph_decimal
        self.graph = graph_decimal

        point = pynutil.delete("point")

        optional_graph_negative = pynini.closure(
            pynutil.insert("negative: ") + pynini.cross("minus", "\"true\"") +
            delete_extra_space, 0, 1)

        graph_fractional = pynutil.insert(
            "fractional_part: \"") + graph_decimal + pynutil.insert("\"")
        graph_integer = pynutil.insert(
            "integer_part: \"") + cardinal_graph + pynutil.insert("\"")
        final_graph_wo_sign = (
            pynini.closure(graph_integer + delete_extra_space, 0, 1) + point +
            delete_extra_space + graph_fractional)
        final_graph = optional_graph_negative + final_graph_wo_sign

        self.final_graph_wo_negative = final_graph_wo_sign | get_quantity(
            final_graph_wo_sign)
        final_graph |= optional_graph_negative + get_quantity(
            final_graph_wo_sign)
        final_graph = self.add_tokens(final_graph)
        self.fst = final_graph.optimize()
Example #2
0
    def __init__(self):
        super().__init__(name="whitelist", kind="classify")

        whitelist = pynini.string_file(
            get_abs_path("data/whitelist.tsv")).invert()
        graph = pynutil.insert("name: \"") + convert_space(
            whitelist) + pynutil.insert("\"")
        self.fst = graph.optimize()
Example #3
0
    def __init__(self):
        super().__init__(name="money", kind="classify")
        # quantity, integer_part, fractional_part, currency, style(depr)
        cardinal_graph = CardinalFst().graph_no_exception
        graph_decimal_final = DecimalFst().final_graph_wo_negative

        unit = pynini.string_file(get_abs_path("data/currency.tsv"))
        unit_singular = pynini.invert(unit)
        unit_plural = get_singulars(unit_singular)

        graph_unit_singular = pynutil.insert("currency: \"") + convert_space(
            unit_singular) + pynutil.insert("\"")
        graph_unit_plural = pynutil.insert("currency: \"") + convert_space(
            unit_plural) + pynutil.insert("\"")

        add_leading_zero_to_double_digit = (NEMO_DIGIT + NEMO_DIGIT) | (
            pynutil.insert("0") + NEMO_DIGIT)
        # twelve dollars (and) fifty cents, zero cents
        cents_standalone = (pynutil.insert("fractional_part: \"") +
                            pynini.union(
                                pynutil.add_weight(
                                    ((NEMO_SIGMA - "one") @ cardinal_graph),
                                    -0.7) @ add_leading_zero_to_double_digit +
                                delete_space + pynutil.delete("cents"),
                                pynini.cross("one", "01") + delete_space +
                                pynutil.delete("cent"),
                            ) + pynutil.insert("\""))

        optional_cents_standalone = pynini.closure(
            delete_space +
            pynini.closure(pynutil.delete("and") + delete_space, 0, 1) +
            insert_space + cents_standalone,
            0,
            1,
        )
        # twelve dollars fifty, only after integer
        optional_cents_suffix = pynini.closure(
            delete_extra_space + pynutil.insert("fractional_part: \"") +
            pynutil.add_weight(cardinal_graph, -0.7) + pynutil.insert("\""),
            0,
            1,
        )

        graph_integer = (pynutil.insert("integer_part: \"") +
                         ((NEMO_SIGMA - "one") @ cardinal_graph) +
                         pynutil.insert("\"") + delete_extra_space +
                         graph_unit_plural +
                         (optional_cents_standalone | optional_cents_suffix))
        graph_integer |= (pynutil.insert("integer_part: \"") +
                          pynini.cross("one", "1") + pynutil.insert("\"") +
                          delete_extra_space + graph_unit_singular +
                          (optional_cents_standalone | optional_cents_suffix))
        graph_decimal = graph_decimal_final + delete_extra_space + graph_unit_plural
        graph_decimal |= pynutil.insert(
            "currency: \"$\" integer_part: \"0\" ") + cents_standalone
        final_graph = graph_integer | graph_decimal
        final_graph = self.add_tokens(final_graph)
        self.fst = final_graph.optimize()
Example #4
0
    def __init__(self):
        super().__init__(name="ordinal", kind="classify")

        cardinal_graph = CardinalFst().graph_no_exception

        graph_digit = pynini.string_file(
            get_abs_path("data/ordinals/digit.tsv"))
        graph_teens = pynini.string_file(
            get_abs_path("data/ordinals/teen.tsv"))
        # change to General UTF8
        graph = pynini.closure(NEMO_CHAR) + pynini.union(
            graph_digit, graph_teens, pynini.cross("tieth", "ty"),
            pynini.cross("th", ""))

        self.graph = graph @ cardinal_graph
        final_graph = pynutil.insert(
            "integer: \"") + self.graph + pynutil.insert("\"")
        final_graph = self.add_tokens(final_graph)
        self.fst = final_graph.optimize()
Example #5
0
    def __init__(self):
        super().__init__(name="word", kind="classify")

        exceptions = pynini.string_file(
            get_abs_path("data/sentence_boundary_exceptions.txt"))
        word = (pynutil.insert("name: \"") +
                (pynini.closure(pynutil.add_weight(NEMO_NOT_SPACE, weight=0.1),
                                1) | convert_space(exceptions)) +
                pynutil.insert("\""))
        self.fst = word.optimize()
Example #6
0
    def __init__(self):
        super().__init__(name="measure", kind="classify")
        # decimal, fraction, cardinal, units, style(depr)

        cardinal_graph = cardinal.graph_no_exception
        graph_unit = pynini.string_file(get_abs_path("data/measurements.tsv"))
        graph_unit_singular = pynini.invert(graph_unit)  # singular -> abbr
        graph_unit_plural = get_singulars(
            graph_unit_singular)  # plural -> abbr

        optional_graph_negative = pynini.closure(
            pynutil.insert("negative: ") + pynini.cross("minus", "\"true\"") +
            delete_extra_space, 0, 1)

        unit_singular = convert_space(graph_unit_singular)
        unit_plural = convert_space(graph_unit_plural)
        unit_misc = pynutil.insert("/") + pynutil.delete(
            "per") + delete_space + convert_space(graph_unit_singular)

        unit_singular = (pynutil.insert("units: \"") +
                         (unit_singular | unit_misc | pynutil.add_weight(
                             unit_singular + delete_space + unit_misc, 0.01)) +
                         pynutil.insert("\""))
        unit_plural = (pynutil.insert("units: \"") +
                       (unit_plural | unit_misc | pynutil.add_weight(
                           unit_plural + delete_space + unit_misc, 0.01)) +
                       pynutil.insert("\""))

        subgraph_decimal = (pynutil.insert("decimal { ") +
                            optional_graph_negative +
                            decimal.final_graph_wo_negative +
                            pynutil.insert(" }") + delete_extra_space +
                            unit_plural)
        subgraph_cardinal = (pynutil.insert("cardinal { ") +
                             optional_graph_negative +
                             pynutil.insert("integer: \"") +
                             ((NEMO_SIGMA - "one") @ cardinal_graph) +
                             pynutil.insert("\"") + pynutil.insert(" }") +
                             delete_extra_space + unit_plural)
        subgraph_cardinal |= (pynutil.insert("cardinal { ") +
                              optional_graph_negative +
                              pynutil.insert("integer: \"") +
                              pynini.cross("one", "1") + pynutil.insert("\"") +
                              pynutil.insert(" }") + delete_extra_space +
                              unit_singular)
        final_graph = subgraph_decimal | subgraph_cardinal
        final_graph = self.add_tokens(final_graph)
        self.fst = final_graph.optimize()
Example #7
0
    def __init__(self):
        super().__init__(name="time", kind="classify")
        # hours, minutes, seconds, suffix, zone, style, speak_period

        suffix_graph = pynini.string_file(get_abs_path("data/time_suffix.tsv"))
        time_zone_graph = pynini.invert(pynini.string_file(get_abs_path("data/time_zone.tsv")))

        # only used for < 1000 thousand -> 0 weight
        cardinal = pynutil.add_weight(CardinalFst().graph_no_exception, weight=-0.7)

        labels_hour = [num_to_word(x) for x in range(0, 24)]
        labels_minute_single = [num_to_word(x) for x in range(1, 10)]
        labels_minute_double = [num_to_word(x) for x in range(10, 60)]

        graph_hour = pynini.union(*labels_hour) @ cardinal

        graph_minute_single = pynini.union(*labels_minute_single) @ cardinal
        graph_minute_double = pynini.union(*labels_minute_double) @ cardinal
        graph_minute_verbose = pynini.cross("half", "30") | pynini.cross("quarter", "15")
        oclock = pynini.cross(pynini.union("o' clock", "o clock", "o'clock", "oclock"), "")

        final_graph_hour = pynutil.insert("hours: \"") + graph_hour + pynutil.insert("\"")
        final_graph_minute = (
            pynutil.insert("minutes: \"")
            + (
                pynutil.insert("00")
                | oclock + pynutil.insert("00")
                | pynutil.delete("o") + delete_space + graph_minute_single
                | graph_minute_double
            )
            + pynutil.insert("\"")
        )
        final_suffix = pynutil.insert("suffix: \"") + convert_space(suffix_graph) + pynutil.insert("\"")
        final_suffix_optional = pynini.closure(delete_space + insert_space + final_suffix, 0, 1)
        final_time_zone_optional = pynini.closure(
            delete_space
            + insert_space
            + pynutil.insert("zone: \"")
            + convert_space(time_zone_graph)
            + pynutil.insert("\""),
            0,
            1,
        )

        # five o' clock
        # two o eight, two thiry five (am/pm)
        # two pm/am
        graph_hm = final_graph_hour + delete_extra_space + final_graph_minute
        # 10 past four, quarter past four, half past four
        graph_mh = (
            pynutil.insert("minutes: \"")
            + pynini.union(graph_minute_single, graph_minute_double, graph_minute_verbose)
            + pynutil.insert("\"")
            + delete_space
            + pynutil.delete("past")
            + delete_extra_space
            + final_graph_hour
        )
        final_graph = ((graph_hm | graph_mh) + final_suffix_optional + final_time_zone_optional).optimize()

        final_graph = self.add_tokens(final_graph)
        self.fst = final_graph.optimize()
Example #8
0
    def __init__(self):
        super().__init__(name="cardinal", kind="classify")
        # integer, negative

        graph_zero = pynini.string_file(get_abs_path("data/numbers/zero.tsv"))
        graph_digit = pynini.string_file(
            get_abs_path("data/numbers/digit.tsv"))
        graph_ties = pynini.string_file(get_abs_path("data/numbers/ties.tsv"))
        graph_teen = pynini.string_file(get_abs_path("data/numbers/teen.tsv"))

        graph_hundred = pynini.cross("hundred", "")

        graph_hundred_component = pynini.union(
            graph_digit + delete_space + graph_hundred, pynutil.insert("0"))
        graph_hundred_component += delete_space
        graph_hundred_component += pynini.union(
            graph_teen | pynutil.insert("00"),
            (graph_ties | pynutil.insert("0")) + delete_space +
            (graph_digit | pynutil.insert("0")),
        )

        graph_hundred_component_at_least_one_none_zero_digit = graph_hundred_component @ (
            pynini.closure(NEMO_DIGIT) +
            (NEMO_DIGIT - "0") + pynini.closure(NEMO_DIGIT))
        self.graph_hundred_component_at_least_one_none_zero_digit = (
            graph_hundred_component_at_least_one_none_zero_digit)

        graph_thousands = pynini.union(
            graph_hundred_component_at_least_one_none_zero_digit +
            delete_space + pynutil.delete("thousand"),
            pynutil.insert("000", weight=0.1),
        )

        graph_million = pynini.union(
            graph_hundred_component_at_least_one_none_zero_digit +
            delete_space + pynutil.delete("million"),
            pynutil.insert("000", weight=0.1),
        )
        graph_billion = pynini.union(
            graph_hundred_component_at_least_one_none_zero_digit +
            delete_space + pynutil.delete("billion"),
            pynutil.insert("000", weight=0.1),
        )
        graph_trillion = pynini.union(
            graph_hundred_component_at_least_one_none_zero_digit +
            delete_space + pynutil.delete("trillion"),
            pynutil.insert("000", weight=0.1),
        )
        graph_quadrillion = pynini.union(
            graph_hundred_component_at_least_one_none_zero_digit +
            delete_space + pynutil.delete("quadrillion"),
            pynutil.insert("000", weight=0.1),
        )
        graph_quintillion = pynini.union(
            graph_hundred_component_at_least_one_none_zero_digit +
            delete_space + pynutil.delete("quintillion"),
            pynutil.insert("000", weight=0.1),
        )
        graph_sextillion = pynini.union(
            graph_hundred_component_at_least_one_none_zero_digit +
            delete_space + pynutil.delete("sextillion"),
            pynutil.insert("000", weight=0.1),
        )

        graph = pynini.union(
            graph_sextillion + delete_space + graph_quintillion +
            delete_space + graph_quadrillion + delete_space + graph_trillion +
            delete_space + graph_billion + delete_space + graph_million +
            delete_space + graph_thousands + delete_space +
            graph_hundred_component,
            graph_zero,
        )

        graph = graph @ pynini.union(
            pynutil.delete(pynini.closure("0")) + pynini.difference(
                NEMO_DIGIT, "0") + pynini.closure(NEMO_DIGIT), "0")

        labels_exception = [num_to_word(x) for x in range(0, 13)]
        graph_exception = pynini.union(*labels_exception)

        graph = pynini.cdrewrite(pynutil.delete("and"), NEMO_SPACE, NEMO_SPACE,
                                 NEMO_SIGMA) @ graph

        self.graph_no_exception = graph

        self.graph = (pynini.project(graph, "input") -
                      graph_exception.arcsort()) @ graph

        optional_minus_graph = pynini.closure(
            pynutil.insert("negative: ") + pynini.cross("minus", "\"-\"") +
            NEMO_SPACE, 0, 1)

        final_graph = optional_minus_graph + pynutil.insert(
            "integer: \"") + self.graph + pynutil.insert("\"")

        final_graph = self.add_tokens(final_graph)
        self.fst = final_graph.optimize()
Example #9
0
def _get_month_graph():
    month_graph = pynini.string_file(get_abs_path("data/months.tsv"))
    month_graph = pynini.invert(month_graph).optimize()
    return month_graph
Example #10
0
# limitations under the License.

import pynini
from nemo_tools.text_denormalization.data_loader_utils import get_abs_path
from nemo_tools.text_denormalization.graph_utils import NEMO_SIGMA, GraphFst, delete_extra_space, delete_space
from nemo_tools.text_denormalization.taggers.ordinal import OrdinalFst
from pynini.lib import pynutil


def _get_month_graph():
    month_graph = pynini.string_file(get_abs_path("data/months.tsv"))
    month_graph = pynini.invert(month_graph).optimize()
    return month_graph


graph_teen = pynini.string_file(get_abs_path("data/numbers/teen.tsv")).optimize()
graph_digit = pynini.string_file(get_abs_path("data/numbers/digit.tsv")).optimize()
ties_graph = pynini.string_file(get_abs_path("data/numbers/ties.tsv")).optimize()


def _get_ties_graph():
    graph = ties_graph + (delete_space + graph_digit | pynutil.insert("0"))
    return graph


def _get_range_graph():
    graph_ties = _get_ties_graph()
    graph = (graph_ties | graph_teen) + delete_space + pynini.cross("hundreds", "00s")
    graph |= pynini.cross("two", "2") + delete_space + pynini.cross("thousands", "000s")
    graph |= (
        (graph_ties | graph_teen)