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"""
inflect: english language inflection
- correctly generate plurals, ordinals, indefinite articles
- convert numbers to words
Copyright (C) 2010 Paul Dyson
Based upon the Perl module
`Lingua::EN::Inflect <https://metacpan.org/pod/Lingua::EN::Inflect>`_.
methods:
classical inflect
plural plural_noun plural_verb plural_adj singular_noun no num a an
compare compare_nouns compare_verbs compare_adjs
present_participle
ordinal
number_to_words
join
defnoun defverb defadj defa defan
INFLECTIONS:
classical inflect
plural plural_noun plural_verb plural_adj singular_noun compare
no num a an present_participle
PLURALS:
classical inflect
plural plural_noun plural_verb plural_adj singular_noun no num
compare compare_nouns compare_verbs compare_adjs
COMPARISONS:
classical
compare compare_nouns compare_verbs compare_adjs
ARTICLES:
classical inflect num a an
NUMERICAL:
ordinal number_to_words
USER_DEFINED:
defnoun defverb defadj defa defan
Exceptions:
UnknownClassicalModeError
BadNumValueError
BadChunkingOptionError
NumOutOfRangeError
BadUserDefinedPatternError
BadRcFileError
BadGenderError
"""
from __future__ import annotations
import ast
import collections
import contextlib
import functools
import itertools
import re
from numbers import Number
from typing import (
TYPE_CHECKING,
Any,
Callable,
Dict,
Iterable,
List,
Literal,
Match,
Optional,
Sequence,
Tuple,
Union,
cast,
)
from more_itertools import windowed_complete
from typeguard import typechecked
from .compat.py38 import Annotated
class UnknownClassicalModeError(Exception):
pass
class BadNumValueError(Exception):
pass
class BadChunkingOptionError(Exception):
pass
class NumOutOfRangeError(Exception):
pass
class BadUserDefinedPatternError(Exception):
pass
class BadRcFileError(Exception):
pass
class BadGenderError(Exception):
pass
def enclose(s: str) -> str:
return f"(?:{s})"
def joinstem(cutpoint: Optional[int] = 0, words: Optional[Iterable[str]] = None) -> str:
"""
Join stem of each word in words into a string for regex.
Each word is truncated at cutpoint.
Cutpoint is usually negative indicating the number of letters to remove
from the end of each word.
>>> joinstem(-2, ["ephemeris", "iris", ".*itis"])
'(?:ephemer|ir|.*it)'
>>> joinstem(None, ["ephemeris"])
'(?:ephemeris)'
>>> joinstem(5, None)
'(?:)'
"""
return enclose("|".join(w[:cutpoint] for w in words or []))
def bysize(words: Iterable[str]) -> Dict[int, set]:
"""
From a list of words, return a dict of sets sorted by word length.
>>> words = ['ant', 'cat', 'dog', 'pig', 'frog', 'goat', 'horse', 'elephant']
>>> ret = bysize(words)
>>> sorted(ret[3])
['ant', 'cat', 'dog', 'pig']
>>> ret[5]
{'horse'}
"""
res: Dict[int, set] = collections.defaultdict(set)
for w in words:
res[len(w)].add(w)
return res
def make_pl_si_lists(
lst: Iterable[str],
plending: str,
siendingsize: Optional[int],
dojoinstem: bool = True,
):
"""
given a list of singular words: lst
an ending to append to make the plural: plending
the number of characters to remove from the singular
before appending plending: siendingsize
a flag whether to create a joinstem: dojoinstem
return:
a list of pluralised words: si_list (called si because this is what you need to
look for to make the singular)
the pluralised words as a dict of sets sorted by word length: si_bysize
the singular words as a dict of sets sorted by word length: pl_bysize
if dojoinstem is True: a regular expression that matches any of the stems: stem
"""
if siendingsize is not None:
siendingsize = -siendingsize
si_list = [w[:siendingsize] + plending for w in lst]
pl_bysize = bysize(lst)
si_bysize = bysize(si_list)
if dojoinstem:
stem = joinstem(siendingsize, lst)
return si_list, si_bysize, pl_bysize, stem
else:
return si_list, si_bysize, pl_bysize
# 1. PLURALS
pl_sb_irregular_s = {
"corpus": "corpuses|corpora",
"opus": "opuses|opera",
"genus": "genera",
"mythos": "mythoi",
"penis": "penises|penes",
"testis": "testes",
"atlas": "atlases|atlantes",
"yes": "yeses",
}
pl_sb_irregular = {
"child": "children",
"chili": "chilis|chilies",
"brother": "brothers|brethren",
"infinity": "infinities|infinity",
"loaf": "loaves",
"lore": "lores|lore",
"hoof": "hoofs|hooves",
"beef": "beefs|beeves",
"thief": "thiefs|thieves",
"money": "monies",
"mongoose": "mongooses",
"ox": "oxen",
"cow": "cows|kine",
"graffito": "graffiti",
"octopus": "octopuses|octopodes",
"genie": "genies|genii",
"ganglion": "ganglions|ganglia",
"trilby": "trilbys",
"turf": "turfs|turves",
"numen": "numina",
"atman": "atmas",
"occiput": "occiputs|occipita",
"sabretooth": "sabretooths",
"sabertooth": "sabertooths",
"lowlife": "lowlifes",
"flatfoot": "flatfoots",
"tenderfoot": "tenderfoots",
"romany": "romanies",
"jerry": "jerries",
"mary": "maries",
"talouse": "talouses",
"rom": "roma",
"carmen": "carmina",
}
pl_sb_irregular.update(pl_sb_irregular_s)
# pl_sb_irregular_keys = enclose('|'.join(pl_sb_irregular.keys()))
pl_sb_irregular_caps = {
"Romany": "Romanies",
"Jerry": "Jerrys",
"Mary": "Marys",
"Rom": "Roma",
}
pl_sb_irregular_compound = {"prima donna": "prima donnas|prime donne"}
si_sb_irregular = {v: k for (k, v) in pl_sb_irregular.items()}
for k in list(si_sb_irregular):
if "|" in k:
k1, k2 = k.split("|")
si_sb_irregular[k1] = si_sb_irregular[k2] = si_sb_irregular[k]
del si_sb_irregular[k]
si_sb_irregular_caps = {v: k for (k, v) in pl_sb_irregular_caps.items()}
si_sb_irregular_compound = {v: k for (k, v) in pl_sb_irregular_compound.items()}
for k in list(si_sb_irregular_compound):
if "|" in k:
k1, k2 = k.split("|")
si_sb_irregular_compound[k1] = si_sb_irregular_compound[k2] = (
si_sb_irregular_compound[k]
)
del si_sb_irregular_compound[k]
# si_sb_irregular_keys = enclose('|'.join(si_sb_irregular.keys()))
# Z's that don't double
pl_sb_z_zes_list = ("quartz", "topaz")
pl_sb_z_zes_bysize = bysize(pl_sb_z_zes_list)
pl_sb_ze_zes_list = ("snooze",)
pl_sb_ze_zes_bysize = bysize(pl_sb_ze_zes_list)
# CLASSICAL "..is" -> "..ides"
pl_sb_C_is_ides_complete = [
# GENERAL WORDS...
"ephemeris",
"iris",
"clitoris",
"chrysalis",
"epididymis",
]
pl_sb_C_is_ides_endings = [
# INFLAMATIONS...
"itis"
]
pl_sb_C_is_ides = joinstem(
-2, pl_sb_C_is_ides_complete + [f".*{w}" for w in pl_sb_C_is_ides_endings]
)
pl_sb_C_is_ides_list = pl_sb_C_is_ides_complete + pl_sb_C_is_ides_endings
(
si_sb_C_is_ides_list,
si_sb_C_is_ides_bysize,
pl_sb_C_is_ides_bysize,
) = make_pl_si_lists(pl_sb_C_is_ides_list, "ides", 2, dojoinstem=False)
# CLASSICAL "..a" -> "..ata"
pl_sb_C_a_ata_list = (
"anathema",
"bema",
"carcinoma",
"charisma",
"diploma",
"dogma",
"drama",
"edema",
"enema",
"enigma",
"lemma",
"lymphoma",
"magma",
"melisma",
"miasma",
"oedema",
"sarcoma",
"schema",
"soma",
"stigma",
"stoma",
"trauma",
"gumma",
"pragma",
)
(
si_sb_C_a_ata_list,
si_sb_C_a_ata_bysize,
pl_sb_C_a_ata_bysize,
pl_sb_C_a_ata,
) = make_pl_si_lists(pl_sb_C_a_ata_list, "ata", 1)
# UNCONDITIONAL "..a" -> "..ae"
pl_sb_U_a_ae_list = (
"alumna",
"alga",
"vertebra",
"persona",
"vita",
)
(
si_sb_U_a_ae_list,
si_sb_U_a_ae_bysize,
pl_sb_U_a_ae_bysize,
pl_sb_U_a_ae,
) = make_pl_si_lists(pl_sb_U_a_ae_list, "e", None)
# CLASSICAL "..a" -> "..ae"
pl_sb_C_a_ae_list = (
"amoeba",
"antenna",
"formula",
"hyperbola",
"medusa",
"nebula",
"parabola",
"abscissa",
"hydra",
"nova",
"lacuna",
"aurora",
"umbra",
"flora",
"fauna",
)
(
si_sb_C_a_ae_list,
si_sb_C_a_ae_bysize,
pl_sb_C_a_ae_bysize,
pl_sb_C_a_ae,
) = make_pl_si_lists(pl_sb_C_a_ae_list, "e", None)
# CLASSICAL "..en" -> "..ina"
pl_sb_C_en_ina_list = ("stamen", "foramen", "lumen")
(
si_sb_C_en_ina_list,
si_sb_C_en_ina_bysize,
pl_sb_C_en_ina_bysize,
pl_sb_C_en_ina,
) = make_pl_si_lists(pl_sb_C_en_ina_list, "ina", 2)
# UNCONDITIONAL "..um" -> "..a"
pl_sb_U_um_a_list = (
"bacterium",
"agendum",
"desideratum",
"erratum",
"stratum",
"datum",
"ovum",
"extremum",
"candelabrum",
)
(
si_sb_U_um_a_list,
si_sb_U_um_a_bysize,
pl_sb_U_um_a_bysize,
pl_sb_U_um_a,
) = make_pl_si_lists(pl_sb_U_um_a_list, "a", 2)
# CLASSICAL "..um" -> "..a"
pl_sb_C_um_a_list = (
"maximum",
"minimum",
"momentum",
"optimum",
"quantum",
"cranium",
"curriculum",
"dictum",
"phylum",
"aquarium",
"compendium",
"emporium",
"encomium",
"gymnasium",
"honorarium",
"interregnum",
"lustrum",
"memorandum",
"millennium",
"rostrum",
"spectrum",
"speculum",
"stadium",
"trapezium",
"ultimatum",
"medium",
"vacuum",
"velum",
"consortium",
"arboretum",
)
(
si_sb_C_um_a_list,
si_sb_C_um_a_bysize,
pl_sb_C_um_a_bysize,
pl_sb_C_um_a,
) = make_pl_si_lists(pl_sb_C_um_a_list, "a", 2)
# UNCONDITIONAL "..us" -> "i"
pl_sb_U_us_i_list = (
"alumnus",
"alveolus",
"bacillus",
"bronchus",
"locus",
"nucleus",
"stimulus",
"meniscus",
"sarcophagus",
)
(
si_sb_U_us_i_list,
si_sb_U_us_i_bysize,
pl_sb_U_us_i_bysize,
pl_sb_U_us_i,
) = make_pl_si_lists(pl_sb_U_us_i_list, "i", 2)
# CLASSICAL "..us" -> "..i"
pl_sb_C_us_i_list = (
"focus",
"radius",
"genius",
"incubus",
"succubus",
"nimbus",
"fungus",
"nucleolus",
"stylus",
"torus",
"umbilicus",
"uterus",
"hippopotamus",
"cactus",
)
(
si_sb_C_us_i_list,
si_sb_C_us_i_bysize,
pl_sb_C_us_i_bysize,
pl_sb_C_us_i,
) = make_pl_si_lists(pl_sb_C_us_i_list, "i", 2)
# CLASSICAL "..us" -> "..us" (ASSIMILATED 4TH DECLENSION LATIN NOUNS)
pl_sb_C_us_us = (
"status",
"apparatus",
"prospectus",
"sinus",
"hiatus",
"impetus",
"plexus",
)
pl_sb_C_us_us_bysize = bysize(pl_sb_C_us_us)
# UNCONDITIONAL "..on" -> "a"
pl_sb_U_on_a_list = (
"criterion",
"perihelion",
"aphelion",
"phenomenon",
"prolegomenon",
"noumenon",
"organon",
"asyndeton",
"hyperbaton",
)
(
si_sb_U_on_a_list,
si_sb_U_on_a_bysize,
pl_sb_U_on_a_bysize,
pl_sb_U_on_a,
) = make_pl_si_lists(pl_sb_U_on_a_list, "a", 2)
# CLASSICAL "..on" -> "..a"
pl_sb_C_on_a_list = ("oxymoron",)
(
si_sb_C_on_a_list,
si_sb_C_on_a_bysize,
pl_sb_C_on_a_bysize,
pl_sb_C_on_a,
) = make_pl_si_lists(pl_sb_C_on_a_list, "a", 2)
# CLASSICAL "..o" -> "..i" (BUT NORMALLY -> "..os")
pl_sb_C_o_i = [
"solo",
"soprano",
"basso",
"alto",
"contralto",
"tempo",
"piano",
"virtuoso",
] # list not tuple so can concat for pl_sb_U_o_os
pl_sb_C_o_i_bysize = bysize(pl_sb_C_o_i)
si_sb_C_o_i_bysize = bysize([f"{w[:-1]}i" for w in pl_sb_C_o_i])
pl_sb_C_o_i_stems = joinstem(-1, pl_sb_C_o_i)
# ALWAYS "..o" -> "..os"
pl_sb_U_o_os_complete = {"ado", "ISO", "NATO", "NCO", "NGO", "oto"}
si_sb_U_o_os_complete = {f"{w}s" for w in pl_sb_U_o_os_complete}
pl_sb_U_o_os_endings = [
"aficionado",
"aggro",
"albino",
"allegro",
"ammo",
"Antananarivo",
"archipelago",
"armadillo",
"auto",
"avocado",
"Bamako",
"Barquisimeto",
"bimbo",
"bingo",
"Biro",
"bolero",
"Bolzano",
"bongo",
"Boto",
"burro",
"Cairo",
"canto",
"cappuccino",
"casino",
"cello",
"Chicago",
"Chimango",
"cilantro",
"cochito",
"coco",
"Colombo",
"Colorado",
"commando",
"concertino",
"contango",
"credo",
"crescendo",
"cyano",
"demo",
"ditto",
"Draco",
"dynamo",
"embryo",
"Esperanto",
"espresso",
"euro",
"falsetto",
"Faro",
"fiasco",
"Filipino",
"flamenco",
"furioso",
"generalissimo",
"Gestapo",
"ghetto",
"gigolo",
"gizmo",
"Greensboro",
"gringo",
"Guaiabero",
"guano",
"gumbo",
"gyro",
"hairdo",
"hippo",
"Idaho",
"impetigo",
"inferno",
"info",
"intermezzo",
"intertrigo",
"Iquico",
"jumbo",
"junto",
"Kakapo",
"kilo",
"Kinkimavo",
"Kokako",
"Kosovo",
"Lesotho",
"libero",
"libido",
"libretto",
"lido",
"Lilo",
"limbo",
"limo",
"lineno",
"lingo",
"lino",
"livedo",
"loco",
"logo",
"lumbago",
"macho",
"macro",
"mafioso",
"magneto",
"magnifico",
"Majuro",
"Malabo",
"manifesto",
"Maputo",
"Maracaibo",
"medico",
"memo",
"metro",
"Mexico",
"micro",
"Milano",
"Monaco",
"mono",
"Montenegro",
"Morocco",
"Muqdisho",
"myo",
"neutrino",
"Ningbo",
"octavo",
"oregano",
"Orinoco",
"Orlando",
"Oslo",
"panto",
"Paramaribo",
"Pardusco",
"pedalo",
"photo",
"pimento",
"pinto",
"pleco",
"Pluto",
"pogo",
"polo",
"poncho",
"Porto-Novo",
"Porto",
"pro",
"psycho",
"pueblo",
"quarto",
"Quito",
"repo",
"rhino",
"risotto",
"rococo",
"rondo",
"Sacramento",
"saddo",
"sago",
"salvo",
"Santiago",
"Sapporo",
"Sarajevo",
"scherzando",
"scherzo",
"silo",
"sirocco",
"sombrero",
"staccato",
"sterno",
"stucco",
"stylo",
"sumo",
"Taiko",
"techno",
"terrazzo",
"testudo",
"timpano",
"tiro",
"tobacco",
"Togo",
"Tokyo",
"torero",
"Torino",
"Toronto",
"torso",
"tremolo",
"typo",
"tyro",
"ufo",
"UNESCO",
"vaquero",
"vermicello",
"verso",
"vibrato",
"violoncello",
"Virgo",
"weirdo",
"WHO",
"WTO",
"Yamoussoukro",
"yo-yo",
"zero",
"Zibo",
] + pl_sb_C_o_i
pl_sb_U_o_os_bysize = bysize(pl_sb_U_o_os_endings)
si_sb_U_o_os_bysize = bysize([f"{w}s" for w in pl_sb_U_o_os_endings])
# UNCONDITIONAL "..ch" -> "..chs"
pl_sb_U_ch_chs_list = ("czech", "eunuch", "stomach")
(
si_sb_U_ch_chs_list,
si_sb_U_ch_chs_bysize,
pl_sb_U_ch_chs_bysize,
pl_sb_U_ch_chs,
) = make_pl_si_lists(pl_sb_U_ch_chs_list, "s", None)
# UNCONDITIONAL "..[ei]x" -> "..ices"
pl_sb_U_ex_ices_list = ("codex", "murex", "silex")
(
si_sb_U_ex_ices_list,
si_sb_U_ex_ices_bysize,
pl_sb_U_ex_ices_bysize,
pl_sb_U_ex_ices,
) = make_pl_si_lists(pl_sb_U_ex_ices_list, "ices", 2)
pl_sb_U_ix_ices_list = ("radix", "helix")
(
si_sb_U_ix_ices_list,
si_sb_U_ix_ices_bysize,
pl_sb_U_ix_ices_bysize,
pl_sb_U_ix_ices,
) = make_pl_si_lists(pl_sb_U_ix_ices_list, "ices", 2)
# CLASSICAL "..[ei]x" -> "..ices"
pl_sb_C_ex_ices_list = (
"vortex",
"vertex",
"cortex",
"latex",
"pontifex",
"apex",
"index",
"simplex",
)
(
si_sb_C_ex_ices_list,
si_sb_C_ex_ices_bysize,
pl_sb_C_ex_ices_bysize,
pl_sb_C_ex_ices,
) = make_pl_si_lists(pl_sb_C_ex_ices_list, "ices", 2)
pl_sb_C_ix_ices_list = ("appendix",)
(
si_sb_C_ix_ices_list,
si_sb_C_ix_ices_bysize,
pl_sb_C_ix_ices_bysize,
pl_sb_C_ix_ices,
) = make_pl_si_lists(pl_sb_C_ix_ices_list, "ices", 2)
# ARABIC: ".." -> "..i"
pl_sb_C_i_list = ("afrit", "afreet", "efreet")
(si_sb_C_i_list, si_sb_C_i_bysize, pl_sb_C_i_bysize, pl_sb_C_i) = make_pl_si_lists(
pl_sb_C_i_list, "i", None
)
# HEBREW: ".." -> "..im"
pl_sb_C_im_list = ("goy", "seraph", "cherub")
(si_sb_C_im_list, si_sb_C_im_bysize, pl_sb_C_im_bysize, pl_sb_C_im) = make_pl_si_lists(
pl_sb_C_im_list, "im", None
)
# UNCONDITIONAL "..man" -> "..mans"
pl_sb_U_man_mans_list = """
ataman caiman cayman ceriman
desman dolman farman harman hetman
human leman ottoman shaman talisman
""".split()
pl_sb_U_man_mans_caps_list = """
Alabaman Bahaman Burman German
Hiroshiman Liman Nakayaman Norman Oklahoman
Panaman Roman Selman Sonaman Tacoman Yakiman
Yokohaman Yuman
""".split()
(
si_sb_U_man_mans_list,
si_sb_U_man_mans_bysize,
pl_sb_U_man_mans_bysize,
) = make_pl_si_lists(pl_sb_U_man_mans_list, "s", None, dojoinstem=False)
(
si_sb_U_man_mans_caps_list,
si_sb_U_man_mans_caps_bysize,
pl_sb_U_man_mans_caps_bysize,
) = make_pl_si_lists(pl_sb_U_man_mans_caps_list, "s", None, dojoinstem=False)
# UNCONDITIONAL "..louse" -> "..lice"
pl_sb_U_louse_lice_list = ("booklouse", "grapelouse", "louse", "woodlouse")
(
si_sb_U_louse_lice_list,
si_sb_U_louse_lice_bysize,
pl_sb_U_louse_lice_bysize,
) = make_pl_si_lists(pl_sb_U_louse_lice_list, "lice", 5, dojoinstem=False)
pl_sb_uninflected_s_complete = [
# PAIRS OR GROUPS SUBSUMED TO A SINGULAR...
"breeches",
"britches",
"pajamas",
"pyjamas",
"clippers",
"gallows",
"hijinks",
"headquarters",
"pliers",
"scissors",
"testes",
"herpes",
"pincers",
"shears",
"proceedings",
"trousers",
# UNASSIMILATED LATIN 4th DECLENSION
"cantus",
"coitus",
"nexus",
# RECENT IMPORTS...
"contretemps",
"corps",
"debris",
"siemens",
# DISEASES
"mumps",
# MISCELLANEOUS OTHERS...
"diabetes",
"jackanapes",
"series",
"species",
"subspecies",
"rabies",
"chassis",
"innings",
"news",
"mews",
"haggis",
]
pl_sb_uninflected_s_endings = [
# RECENT IMPORTS...
"ois",
# DISEASES
"measles",
]
pl_sb_uninflected_s = pl_sb_uninflected_s_complete + [
f".*{w}" for w in pl_sb_uninflected_s_endings
]
pl_sb_uninflected_herd = (
# DON'T INFLECT IN CLASSICAL MODE, OTHERWISE NORMAL INFLECTION
"wildebeest",
"swine",
"eland",
"bison",
"buffalo",
"cattle",
"elk",
"rhinoceros",
"zucchini",
"caribou",
"dace",
"grouse",
"guinea fowl",
"guinea-fowl",
"haddock",
"hake",
"halibut",
"herring",
"mackerel",
"pickerel",
"pike",
"roe",
"seed",
"shad",
"snipe",
"teal",
"turbot",
"water fowl",
"water-fowl",
)
pl_sb_uninflected_complete = [
# SOME FISH AND HERD ANIMALS
"tuna",
"salmon",
"mackerel",
"trout",
"bream",
"sea-bass",
"sea bass",
"carp",
"cod",
"flounder",
"whiting",
"moose",
# OTHER ODDITIES
"graffiti",
"djinn",
"samuri",
"offspring",
"pence",
"quid",
"hertz",
] + pl_sb_uninflected_s_complete
# SOME WORDS ENDING IN ...s (OFTEN PAIRS TAKEN AS A WHOLE)
pl_sb_uninflected_caps = [
# ALL NATIONALS ENDING IN -ese
"Portuguese",
"Amoyese",
"Borghese",
"Congoese",
"Faroese",
"Foochowese",
"Genevese",
"Genoese",
"Gilbertese",
"Hottentotese",
"Kiplingese",
"Kongoese",
"Lucchese",
"Maltese",
"Nankingese",
"Niasese",
"Pekingese",
"Piedmontese",
"Pistoiese",
"Sarawakese",
"Shavese",
"Vermontese",
"Wenchowese",
"Yengeese",
]
pl_sb_uninflected_endings = [
# UNCOUNTABLE NOUNS
"butter",
"cash",
"furniture",
"information",
# SOME FISH AND HERD ANIMALS
"fish",
"deer",
"sheep",
# ALL NATIONALS ENDING IN -ese
"nese",
"rese",
"lese",
"mese",
# DISEASES
"pox",
# OTHER ODDITIES
"craft",
] + pl_sb_uninflected_s_endings
# SOME WORDS ENDING IN ...s (OFTEN PAIRS TAKEN AS A WHOLE)
pl_sb_uninflected_bysize = bysize(pl_sb_uninflected_endings)
# SINGULAR WORDS ENDING IN ...s (ALL INFLECT WITH ...es)
pl_sb_singular_s_complete = [
"acropolis",
"aegis",
"alias",
"asbestos",
"bathos",
"bias",
"bronchitis",
"bursitis",
"caddis",
"cannabis",
"canvas",
"chaos",
"cosmos",
"dais",
"digitalis",
"epidermis",
"ethos",
"eyas",
"gas",
"glottis",
"hubris",
"ibis",
"lens",
"mantis",
"marquis",
"metropolis",
"pathos",
"pelvis",
"polis",
"rhinoceros",
"sassafras",
"trellis",
] + pl_sb_C_is_ides_complete
pl_sb_singular_s_endings = ["ss", "us"] + pl_sb_C_is_ides_endings
pl_sb_singular_s_bysize = bysize(pl_sb_singular_s_endings)
si_sb_singular_s_complete = [f"{w}es" for w in pl_sb_singular_s_complete]
si_sb_singular_s_endings = [f"{w}es" for w in pl_sb_singular_s_endings]
si_sb_singular_s_bysize = bysize(si_sb_singular_s_endings)
pl_sb_singular_s_es = ["[A-Z].*es"]
pl_sb_singular_s = enclose(
"|".join(
pl_sb_singular_s_complete
+ [f".*{w}" for w in pl_sb_singular_s_endings]
+ pl_sb_singular_s_es
)
)
# PLURALS ENDING IN uses -> use
si_sb_ois_oi_case = ("Bolshois", "Hanois")
si_sb_uses_use_case = ("Betelgeuses", "Duses", "Meuses", "Syracuses", "Toulouses")
si_sb_uses_use = (
"abuses",
"applauses",
"blouses",
"carouses",
"causes",
"chartreuses",
"clauses",
"contuses",
"douses",
"excuses",
"fuses",
"grouses",
"hypotenuses",
"masseuses",
"menopauses",
"misuses",
"muses",
"overuses",
"pauses",
"peruses",
"profuses",
"recluses",
"reuses",
"ruses",
"souses",
"spouses",
"suffuses",
"transfuses",
"uses",
)
si_sb_ies_ie_case = (
"Addies",
"Aggies",
"Allies",
"Amies",
"Angies",
"Annies",
"Annmaries",
"Archies",
"Arties",
"Aussies",
"Barbies",
"Barries",
"Basies",
"Bennies",
"Bernies",
"Berties",
"Bessies",
"Betties",
"Billies",
"Blondies",
"Bobbies",
"Bonnies",
"Bowies",
"Brandies",
"Bries",
"Brownies",
"Callies",
"Carnegies",
"Carries",
"Cassies",
"Charlies",
"Cheries",
"Christies",
"Connies",
"Curies",
"Dannies",
"Debbies",
"Dixies",
"Dollies",
"Donnies",
"Drambuies",
"Eddies",
"Effies",
"Ellies",
"Elsies",
"Eries",
"Ernies",
"Essies",
"Eugenies",
"Fannies",
"Flossies",
"Frankies",
"Freddies",
"Gillespies",
"Goldies",
"Gracies",
"Guthries",
"Hallies",
"Hatties",
"Hetties",
"Hollies",
"Jackies",
"Jamies",
"Janies",
"Jannies",
"Jeanies",
"Jeannies",
"Jennies",
"Jessies",
"Jimmies",
"Jodies",
"Johnies",
"Johnnies",
"Josies",
"Julies",
"Kalgoorlies",
"Kathies",
"Katies",
"Kellies",
"Kewpies",
"Kristies",
"Laramies",
"Lassies",
"Lauries",
"Leslies",
"Lessies",
"Lillies",
"Lizzies",
"Lonnies",
"Lories",
"Lorries",
"Lotties",
"Louies",
"Mackenzies",
"Maggies",
"Maisies",
"Mamies",
"Marcies",
"Margies",
"Maries",
"Marjories",
"Matties",
"McKenzies",
"Melanies",
"Mickies",
"Millies",
"Minnies",
"Mollies",
"Mounties",
"Nannies",
"Natalies",
"Nellies",
"Netties",
"Ollies",
"Ozzies",
"Pearlies",
"Pottawatomies",
"Reggies",
"Richies",
"Rickies",
"Robbies",
"Ronnies",
"Rosalies",
"Rosemaries",
"Rosies",
"Roxies",
"Rushdies",
"Ruthies",
"Sadies",
"Sallies",
"Sammies",
"Scotties",
"Selassies",
"Sherries",
"Sophies",
"Stacies",
"Stefanies",
"Stephanies",
"Stevies",
"Susies",
"Sylvies",
"Tammies",
"Terries",
"Tessies",
"Tommies",
"Tracies",
"Trekkies",
"Valaries",
"Valeries",
"Valkyries",
"Vickies",
"Virgies",
"Willies",
"Winnies",
"Wylies",
"Yorkies",
)
si_sb_ies_ie = (
"aeries",
"baggies",
"belies",
"biggies",
"birdies",
"bogies",
"bonnies",
"boogies",
"bookies",
"bourgeoisies",
"brownies",
"budgies",
"caddies",
"calories",
"camaraderies",
"cockamamies",
"collies",
"cookies",
"coolies",
"cooties",
"coteries",
"crappies",
"curies",
"cutesies",
"dogies",
"eyries",
"floozies",
"footsies",
"freebies",
"genies",
"goalies",
"groupies",
"hies",
"jalousies",
"junkies",
"kiddies",
"laddies",
"lassies",
"lies",
"lingeries",
"magpies",
"menageries",
"mommies",
"movies",
"neckties",
"newbies",
"nighties",
"oldies",
"organdies",
"overlies",
"pies",
"pinkies",
"pixies",
"potpies",
"prairies",
"quickies",
"reveries",
"rookies",
"rotisseries",
"softies",
"sorties",
"species",
"stymies",
"sweeties",
"ties",
"underlies",
"unties",
"veggies",
"vies",
"yuppies",
"zombies",
)
si_sb_oes_oe_case = (
"Chloes",
"Crusoes",
"Defoes",
"Faeroes",
"Ivanhoes",
"Joes",
"McEnroes",
"Moes",
"Monroes",
"Noes",
"Poes",
"Roscoes",
"Tahoes",
"Tippecanoes",
"Zoes",
)
si_sb_oes_oe = (
"aloes",
"backhoes",
"canoes",
"does",
"floes",
"foes",
"hoes",
"mistletoes",
"oboes",
"pekoes",
"roes",
"sloes",
"throes",
"tiptoes",
"toes",
"woes",
)
si_sb_z_zes = ("quartzes", "topazes")
si_sb_zzes_zz = ("buzzes", "fizzes", "frizzes", "razzes")
si_sb_ches_che_case = (
"Andromaches",
"Apaches",
"Blanches",
"Comanches",
"Nietzsches",
"Porsches",
"Roches",
)
si_sb_ches_che = (
"aches",
"avalanches",
"backaches",
"bellyaches",
"caches",
"cloches",
"creches",
"douches",
"earaches",
"fiches",
"headaches",
"heartaches",
"microfiches",
"niches",
"pastiches",
"psyches",
"quiches",
"stomachaches",
"toothaches",
"tranches",
)
si_sb_xes_xe = ("annexes", "axes", "deluxes", "pickaxes")
si_sb_sses_sse_case = ("Hesses", "Jesses", "Larousses", "Matisses")
si_sb_sses_sse = (
"bouillabaisses",
"crevasses",
"demitasses",
"impasses",
"mousses",
"posses",
)
si_sb_ves_ve_case = (
# *[nwl]ives -> [nwl]live
"Clives",
"Palmolives",
)
si_sb_ves_ve = (
# *[^d]eaves -> eave
"interweaves",
"weaves",
# *[nwl]ives -> [nwl]live
"olives",
# *[eoa]lves -> [eoa]lve
"bivalves",
"dissolves",
"resolves",
"salves",
"twelves",
"valves",
)
plverb_special_s = enclose(
"|".join(
[pl_sb_singular_s]
+ pl_sb_uninflected_s
+ list(pl_sb_irregular_s)
+ ["(.*[csx])is", "(.*)ceps", "[A-Z].*s"]
)
)
_pl_sb_postfix_adj_defn = (
("general", enclose(r"(?!major|lieutenant|brigadier|adjutant|.*star)\S+")),
("martial", enclose("court")),
("force", enclose("pound")),
)
pl_sb_postfix_adj: Iterable[str] = (
enclose(val + f"(?=(?:-|\\s+){key})") for key, val in _pl_sb_postfix_adj_defn
)
pl_sb_postfix_adj_stems = f"({'|'.join(pl_sb_postfix_adj)})(.*)"
# PLURAL WORDS ENDING IS es GO TO SINGULAR is
si_sb_es_is = (
"amanuenses",
"amniocenteses",
"analyses",
"antitheses",
"apotheoses",
"arterioscleroses",
"atheroscleroses",
"axes",
# 'bases', # bases -> basis
"catalyses",
"catharses",
"chasses",
"cirrhoses",
"cocces",
"crises",
"diagnoses",
"dialyses",
"diereses",
"electrolyses",
"emphases",
"exegeses",
"geneses",
"halitoses",
"hydrolyses",
"hypnoses",
"hypotheses",
"hystereses",
"metamorphoses",
"metastases",
"misdiagnoses",
"mitoses",
"mononucleoses",
"narcoses",
"necroses",
"nemeses",
"neuroses",
"oases",
"osmoses",
"osteoporoses",
"paralyses",
"parentheses",
"parthenogeneses",
"periphrases",
"photosyntheses",
"probosces",
"prognoses",
"prophylaxes",
"prostheses",
"preces",
"psoriases",
"psychoanalyses",
"psychokineses",
"psychoses",
"scleroses",
"scolioses",
"sepses",
"silicoses",
"symbioses",
"synopses",
"syntheses",
"taxes",
"telekineses",
"theses",
"thromboses",
"tuberculoses",
"urinalyses",
)
pl_prep_list = """
about above across after among around at athwart before behind
below beneath beside besides between betwixt beyond but by
during except for from in into near of off on onto out over
since till to under until unto upon with""".split()
pl_prep_list_da = pl_prep_list + ["de", "du", "da"]
pl_prep_bysize = bysize(pl_prep_list_da)
pl_prep = enclose("|".join(pl_prep_list_da))
pl_sb_prep_dual_compound = rf"(.*?)((?:-|\s+)(?:{pl_prep})(?:-|\s+))a(?:-|\s+)(.*)"
singular_pronoun_genders = {
"neuter",
"feminine",
"masculine",
"gender-neutral",
"feminine or masculine",
"masculine or feminine",
}
pl_pron_nom = {
# NOMINATIVE REFLEXIVE
"i": "we",
"myself": "ourselves",
"you": "you",
"yourself": "yourselves",
"she": "they",
"herself": "themselves",
"he": "they",
"himself": "themselves",
"it": "they",
"itself": "themselves",
"they": "they",
"themself": "themselves",
# POSSESSIVE
"mine": "ours",
"yours": "yours",
"hers": "theirs",
"his": "theirs",
"its": "theirs",
"theirs": "theirs",
}
si_pron: Dict[str, Dict[str, Union[str, Dict[str, str]]]] = {
"nom": {v: k for (k, v) in pl_pron_nom.items()}
}
si_pron["nom"]["we"] = "I"
pl_pron_acc = {
# ACCUSATIVE REFLEXIVE
"me": "us",
"myself": "ourselves",
"you": "you",
"yourself": "yourselves",
"her": "them",
"herself": "themselves",
"him": "them",
"himself": "themselves",
"it": "them",
"itself": "themselves",
"them": "them",
"themself": "themselves",
}
pl_pron_acc_keys = enclose("|".join(pl_pron_acc))
pl_pron_acc_keys_bysize = bysize(pl_pron_acc)
si_pron["acc"] = {v: k for (k, v) in pl_pron_acc.items()}
for _thecase, _plur, _gend, _sing in (
("nom", "they", "neuter", "it"),
("nom", "they", "feminine", "she"),
("nom", "they", "masculine", "he"),
("nom", "they", "gender-neutral", "they"),
("nom", "they", "feminine or masculine", "she or he"),
("nom", "they", "masculine or feminine", "he or she"),
("nom", "themselves", "neuter", "itself"),
("nom", "themselves", "feminine", "herself"),
("nom", "themselves", "masculine", "himself"),
("nom", "themselves", "gender-neutral", "themself"),
("nom", "themselves", "feminine or masculine", "herself or himself"),
("nom", "themselves", "masculine or feminine", "himself or herself"),
("nom", "theirs", "neuter", "its"),
("nom", "theirs", "feminine", "hers"),
("nom", "theirs", "masculine", "his"),
("nom", "theirs", "gender-neutral", "theirs"),
("nom", "theirs", "feminine or masculine", "hers or his"),
("nom", "theirs", "masculine or feminine", "his or hers"),
("acc", "them", "neuter", "it"),
("acc", "them", "feminine", "her"),
("acc", "them", "masculine", "him"),
("acc", "them", "gender-neutral", "them"),
("acc", "them", "feminine or masculine", "her or him"),
("acc", "them", "masculine or feminine", "him or her"),
("acc", "themselves", "neuter", "itself"),
("acc", "themselves", "feminine", "herself"),
("acc", "themselves", "masculine", "himself"),
("acc", "themselves", "gender-neutral", "themself"),
("acc", "themselves", "feminine or masculine", "herself or himself"),
("acc", "themselves", "masculine or feminine", "himself or herself"),
):
try:
si_pron[_thecase][_plur][_gend] = _sing # type: ignore
except TypeError:
si_pron[_thecase][_plur] = {}
si_pron[_thecase][_plur][_gend] = _sing # type: ignore
si_pron_acc_keys = enclose("|".join(si_pron["acc"]))
si_pron_acc_keys_bysize = bysize(si_pron["acc"])
def get_si_pron(thecase, word, gender) -> str:
try:
sing = si_pron[thecase][word]
except KeyError:
raise # not a pronoun
try:
return sing[gender] # has several types due to gender
except TypeError:
return cast(str, sing) # answer independent of gender
# These dictionaries group verbs by first, second and third person
# conjugations.
plverb_irregular_pres = {
"am": "are",
"are": "are",
"is": "are",
"was": "were",
"were": "were",
"have": "have",
"has": "have",
"do": "do",
"does": "do",
}
plverb_ambiguous_pres = {
"act": "act",
"acts": "act",
"blame": "blame",
"blames": "blame",
"can": "can",
"must": "must",
"fly": "fly",
"flies": "fly",
"copy": "copy",
"copies": "copy",
"drink": "drink",
"drinks": "drink",
"fight": "fight",
"fights": "fight",
"fire": "fire",
"fires": "fire",
"like": "like",
"likes": "like",
"look": "look",
"looks": "look",
"make": "make",
"makes": "make",
"reach": "reach",
"reaches": "reach",
"run": "run",
"runs": "run",
"sink": "sink",
"sinks": "sink",
"sleep": "sleep",
"sleeps": "sleep",
"view": "view",
"views": "view",
}
plverb_ambiguous_pres_keys = re.compile(
rf"^({enclose('|'.join(plverb_ambiguous_pres))})((\s.*)?)$", re.IGNORECASE
)
plverb_irregular_non_pres = (
"did",
"had",
"ate",
"made",
"put",
"spent",
"fought",
"sank",
"gave",
"sought",
"shall",
"could",
"ought",
"should",
)
plverb_ambiguous_non_pres = re.compile(
r"^((?:thought|saw|bent|will|might|cut))((\s.*)?)$", re.IGNORECASE
)
# "..oes" -> "..oe" (the rest are "..oes" -> "o")
pl_v_oes_oe = ("canoes", "floes", "oboes", "roes", "throes", "woes")
pl_v_oes_oe_endings_size4 = ("hoes", "toes")
pl_v_oes_oe_endings_size5 = ("shoes",)
pl_count_zero = ("0", "no", "zero", "nil")
pl_count_one = ("1", "a", "an", "one", "each", "every", "this", "that")
pl_adj_special = {"a": "some", "an": "some", "this": "these", "that": "those"}
pl_adj_special_keys = re.compile(
rf"^({enclose('|'.join(pl_adj_special))})$", re.IGNORECASE
)
pl_adj_poss = {
"my": "our",
"your": "your",
"its": "their",
"her": "their",
"his": "their",
"their": "their",
}
pl_adj_poss_keys = re.compile(rf"^({enclose('|'.join(pl_adj_poss))})$", re.IGNORECASE)
# 2. INDEFINITE ARTICLES
# THIS PATTERN MATCHES STRINGS OF CAPITALS STARTING WITH A "VOWEL-SOUND"
# CONSONANT FOLLOWED BY ANOTHER CONSONANT, AND WHICH ARE NOT LIKELY
# TO BE REAL WORDS (OH, ALL RIGHT THEN, IT'S JUST MAGIC!)
A_abbrev = re.compile(
r"""
^(?! FJO | [HLMNS]Y. | RY[EO] | SQU
| ( F[LR]? | [HL] | MN? | N | RH? | S[CHKLMNPTVW]? | X(YL)?) [AEIOU])
[FHLMNRSX][A-Z]
""",
re.VERBOSE,
)
# THIS PATTERN CODES THE BEGINNINGS OF ALL ENGLISH WORDS BEGINING WITH A
# 'y' FOLLOWED BY A CONSONANT. ANY OTHER Y-CONSONANT PREFIX THEREFORE
# IMPLIES AN ABBREVIATION.
A_y_cons = re.compile(r"^(y(b[lor]|cl[ea]|fere|gg|p[ios]|rou|tt))", re.IGNORECASE)
# EXCEPTIONS TO EXCEPTIONS
A_explicit_a = re.compile(r"^((?:unabomber|unanimous|US))", re.IGNORECASE)
A_explicit_an = re.compile(
r"^((?:euler|hour(?!i)|heir|honest|hono[ur]|mpeg))", re.IGNORECASE
)
A_ordinal_an = re.compile(r"^([aefhilmnorsx]-?th)", re.IGNORECASE)
A_ordinal_a = re.compile(r"^([bcdgjkpqtuvwyz]-?th)", re.IGNORECASE)
# NUMERICAL INFLECTIONS
nth = {
0: "th",
1: "st",
2: "nd",
3: "rd",
4: "th",
5: "th",
6: "th",
7: "th",
8: "th",
9: "th",
11: "th",
12: "th",
13: "th",
}
nth_suff = set(nth.values())
ordinal = dict(
ty="tieth",
one="first",
two="second",
three="third",
five="fifth",
eight="eighth",
nine="ninth",
twelve="twelfth",
)
ordinal_suff = re.compile(rf"({'|'.join(ordinal)})\Z")
# NUMBERS
unit = ["", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
teen = [
"ten",
"eleven",
"twelve",
"thirteen",
"fourteen",
"fifteen",
"sixteen",
"seventeen",
"eighteen",
"nineteen",
]
ten = [
"",
"",
"twenty",
"thirty",
"forty",
"fifty",
"sixty",
"seventy",
"eighty",
"ninety",
]
mill = [
" ",
" thousand",
" million",
" billion",
" trillion",
" quadrillion",
" quintillion",
" sextillion",
" septillion",
" octillion",
" nonillion",
" decillion",
]
# SUPPORT CLASSICAL PLURALIZATIONS
def_classical = dict(
all=False, zero=False, herd=False, names=True, persons=False, ancient=False
)
all_classical = {k: True for k in def_classical}
no_classical = {k: False for k in def_classical}
# Maps strings to built-in constant types
string_to_constant = {"True": True, "False": False, "None": None}
# Pre-compiled regular expression objects
DOLLAR_DIGITS = re.compile(r"\$(\d+)")
FUNCTION_CALL = re.compile(r"((\w+)\([^)]*\)*)", re.IGNORECASE)
PARTITION_WORD = re.compile(r"\A(\s*)(.+?)(\s*)\Z")
PL_SB_POSTFIX_ADJ_STEMS_RE = re.compile(
rf"^(?:{pl_sb_postfix_adj_stems})$", re.IGNORECASE
)
PL_SB_PREP_DUAL_COMPOUND_RE = re.compile(
rf"^(?:{pl_sb_prep_dual_compound})$", re.IGNORECASE
)
DENOMINATOR = re.compile(r"(?P<denominator>.+)( (per|a) .+)")
PLVERB_SPECIAL_S_RE = re.compile(rf"^({plverb_special_s})$")
WHITESPACE = re.compile(r"\s")
ENDS_WITH_S = re.compile(r"^(.*[^s])s$", re.IGNORECASE)
ENDS_WITH_APOSTROPHE_S = re.compile(r"^(.*)'s?$")
INDEFINITE_ARTICLE_TEST = re.compile(r"\A(\s*)(?:an?\s+)?(.+?)(\s*)\Z", re.IGNORECASE)
SPECIAL_AN = re.compile(r"^[aefhilmnorsx]$", re.IGNORECASE)
SPECIAL_A = re.compile(r"^[bcdgjkpqtuvwyz]$", re.IGNORECASE)
SPECIAL_ABBREV_AN = re.compile(r"^[aefhilmnorsx][.-]", re.IGNORECASE)
SPECIAL_ABBREV_A = re.compile(r"^[a-z][.-]", re.IGNORECASE)
CONSONANTS = re.compile(r"^[^aeiouy]", re.IGNORECASE)
ARTICLE_SPECIAL_EU = re.compile(r"^e[uw]", re.IGNORECASE)
ARTICLE_SPECIAL_ONCE = re.compile(r"^onc?e\b", re.IGNORECASE)
ARTICLE_SPECIAL_ONETIME = re.compile(r"^onetime\b", re.IGNORECASE)
ARTICLE_SPECIAL_UNIT = re.compile(r"^uni([^nmd]|mo)", re.IGNORECASE)
ARTICLE_SPECIAL_UBA = re.compile(r"^u[bcfghjkqrst][aeiou]", re.IGNORECASE)
ARTICLE_SPECIAL_UKR = re.compile(r"^ukr", re.IGNORECASE)
SPECIAL_CAPITALS = re.compile(r"^U[NK][AIEO]?")
VOWELS = re.compile(r"^[aeiou]", re.IGNORECASE)
DIGIT_GROUP = re.compile(r"(\d)")
TWO_DIGITS = re.compile(r"(\d)(\d)")
THREE_DIGITS = re.compile(r"(\d)(\d)(\d)")
THREE_DIGITS_WORD = re.compile(r"(\d)(\d)(\d)(?=\D*\Z)")
TWO_DIGITS_WORD = re.compile(r"(\d)(\d)(?=\D*\Z)")
ONE_DIGIT_WORD = re.compile(r"(\d)(?=\D*\Z)")
FOUR_DIGIT_COMMA = re.compile(r"(\d)(\d{3}(?:,|\Z))")
NON_DIGIT = re.compile(r"\D")
WHITESPACES_COMMA = re.compile(r"\s+,")
COMMA_WORD = re.compile(r", (\S+)\s+\Z")
WHITESPACES = re.compile(r"\s+")
PRESENT_PARTICIPLE_REPLACEMENTS = (
(re.compile(r"ie$"), r"y"),
(
re.compile(r"ue$"),
r"u",
), # TODO: isn't ue$ -> u encompassed in the following rule?
(re.compile(r"([auy])e$"), r"\g<1>"),
(re.compile(r"ski$"), r"ski"),
(re.compile(r"[^b]i$"), r""),
(re.compile(r"^(are|were)$"), r"be"),
(re.compile(r"^(had)$"), r"hav"),
(re.compile(r"^(hoe)$"), r"\g<1>"),
(re.compile(r"([^e])e$"), r"\g<1>"),
(re.compile(r"er$"), r"er"),
(re.compile(r"([^aeiou][aeiouy]([bdgmnprst]))$"), r"\g<1>\g<2>"),
)
DIGIT = re.compile(r"\d")
class Words(str):
lowered: str
split_: List[str]
first: str
last: str
def __init__(self, orig) -> None:
self.lowered = self.lower()
self.split_ = self.split()
self.first = self.split_[0]
self.last = self.split_[-1]
Falsish = Any # ideally, falsish would only validate on bool(value) is False
_STATIC_TYPE_CHECKING = TYPE_CHECKING
# ^-- Workaround for typeguard AST manipulation:
# https://github.com/agronholm/typeguard/issues/353#issuecomment-1556306554
if _STATIC_TYPE_CHECKING: # pragma: no cover
Word = Annotated[str, "String with at least 1 character"]
else:
class _WordMeta(type): # Too dynamic to be supported by mypy...
def __instancecheck__(self, instance: Any) -> bool:
return isinstance(instance, str) and len(instance) >= 1
class Word(metaclass=_WordMeta): # type: ignore[no-redef]
"""String with at least 1 character"""
class engine:
def __init__(self) -> None:
self.classical_dict = def_classical.copy()
self.persistent_count: Optional[int] = None
self.mill_count = 0
self.pl_sb_user_defined: List[Optional[Word]] = []
self.pl_v_user_defined: List[Optional[Word]] = []
self.pl_adj_user_defined: List[Optional[Word]] = []
self.si_sb_user_defined: List[Optional[Word]] = []
self.A_a_user_defined: List[Optional[Word]] = []
self.thegender = "neuter"
self.__number_args: Optional[Dict[str, str]] = None
@property
def _number_args(self):
return cast(Dict[str, str], self.__number_args)
@_number_args.setter
def _number_args(self, val):
self.__number_args = val
@typechecked
def defnoun(self, singular: Optional[Word], plural: Optional[Word]) -> int:
"""
Set the noun plural of singular to plural.
"""
self.checkpat(singular)
self.checkpatplural(plural)
self.pl_sb_user_defined.extend((singular, plural))
self.si_sb_user_defined.extend((plural, singular))
return 1
@typechecked
def defverb(
self,
s1: Optional[Word],
p1: Optional[Word],
s2: Optional[Word],
p2: Optional[Word],
s3: Optional[Word],
p3: Optional[Word],
) -> int:
"""
Set the verb plurals for s1, s2 and s3 to p1, p2 and p3 respectively.
Where 1, 2 and 3 represent the 1st, 2nd and 3rd person forms of the verb.
"""
self.checkpat(s1)
self.checkpat(s2)
self.checkpat(s3)
self.checkpatplural(p1)
self.checkpatplural(p2)
self.checkpatplural(p3)
self.pl_v_user_defined.extend((s1, p1, s2, p2, s3, p3))
return 1
@typechecked
def defadj(self, singular: Optional[Word], plural: Optional[Word]) -> int:
"""
Set the adjective plural of singular to plural.
"""
self.checkpat(singular)
self.checkpatplural(plural)
self.pl_adj_user_defined.extend((singular, plural))
return 1
@typechecked
def defa(self, pattern: Optional[Word]) -> int:
"""
Define the indefinite article as 'a' for words matching pattern.
"""
self.checkpat(pattern)
self.A_a_user_defined.extend((pattern, "a"))
return 1
@typechecked
def defan(self, pattern: Optional[Word]) -> int:
"""
Define the indefinite article as 'an' for words matching pattern.
"""
self.checkpat(pattern)
self.A_a_user_defined.extend((pattern, "an"))
return 1
def checkpat(self, pattern: Optional[Word]) -> None:
"""
check for errors in a regex pattern
"""
if pattern is None:
return
try:
re.match(pattern, "")
except re.error as err:
raise BadUserDefinedPatternError(pattern) from err
def checkpatplural(self, pattern: Optional[Word]) -> None:
"""
check for errors in a regex replace pattern
"""
return
@typechecked
def ud_match(self, word: Word, wordlist: Sequence[Optional[Word]]) -> Optional[str]:
for i in range(len(wordlist) - 2, -2, -2): # backwards through even elements
mo = re.search(rf"^{wordlist[i]}$", word, re.IGNORECASE)
if mo:
if wordlist[i + 1] is None:
return None
pl = DOLLAR_DIGITS.sub(
r"\\1", cast(Word, wordlist[i + 1])
) # change $n to \n for expand
return mo.expand(pl)
return None
def classical(self, **kwargs) -> None:
"""
turn classical mode on and off for various categories
turn on all classical modes:
classical()
classical(all=True)
turn on or off specific claassical modes:
e.g.
classical(herd=True)
classical(names=False)
By default all classical modes are off except names.
unknown value in args or key in kwargs raises
exception: UnknownClasicalModeError
"""
if not kwargs:
self.classical_dict = all_classical.copy()
return
if "all" in kwargs:
if kwargs["all"]:
self.classical_dict = all_classical.copy()
else:
self.classical_dict = no_classical.copy()
for k, v in kwargs.items():
if k in def_classical:
self.classical_dict[k] = v
else:
raise UnknownClassicalModeError
def num(
self, count: Optional[int] = None, show: Optional[int] = None
) -> str: # (;$count,$show)
"""
Set the number to be used in other method calls.
Returns count.
Set show to False to return '' instead.
"""
if count is not None:
try:
self.persistent_count = int(count)
except ValueError as err:
raise BadNumValueError from err
if (show is None) or show:
return str(count)
else:
self.persistent_count = None
return ""
def gender(self, gender: str) -> None:
"""
set the gender for the singular of plural pronouns
can be one of:
'neuter' ('they' -> 'it')
'feminine' ('they' -> 'she')
'masculine' ('they' -> 'he')
'gender-neutral' ('they' -> 'they')
'feminine or masculine' ('they' -> 'she or he')
'masculine or feminine' ('they' -> 'he or she')
"""
if gender in singular_pronoun_genders:
self.thegender = gender
else:
raise BadGenderError
def _get_value_from_ast(self, obj):
"""
Return the value of the ast object.
"""
if isinstance(obj, ast.Num):
return obj.n
elif isinstance(obj, ast.Str):
return obj.s
elif isinstance(obj, ast.List):
return [self._get_value_from_ast(e) for e in obj.elts]
elif isinstance(obj, ast.Tuple):
return tuple([self._get_value_from_ast(e) for e in obj.elts])
# None, True and False are NameConstants in Py3.4 and above.
elif isinstance(obj, ast.NameConstant):
return obj.value
# Probably passed a variable name.
# Or passed a single word without wrapping it in quotes as an argument
# ex: p.inflect("I plural(see)") instead of p.inflect("I plural('see')")
raise NameError(f"name '{obj.id}' is not defined")
def _string_to_substitute(
self, mo: Match, methods_dict: Dict[str, Callable]
) -> str:
"""
Return the string to be substituted for the match.
"""
matched_text, f_name = mo.groups()
# matched_text is the complete match string. e.g. plural_noun(cat)
# f_name is the function name. e.g. plural_noun
# Return matched_text if function name is not in methods_dict
if f_name not in methods_dict:
return matched_text
# Parse the matched text
a_tree = ast.parse(matched_text)
# get the args and kwargs from ast objects
args_list = [
self._get_value_from_ast(a)
for a in a_tree.body[0].value.args # type: ignore[attr-defined]
]
kwargs_list = {
kw.arg: self._get_value_from_ast(kw.value)
for kw in a_tree.body[0].value.keywords # type: ignore[attr-defined]
}
# Call the corresponding function
return methods_dict[f_name](*args_list, **kwargs_list)
# 0. PERFORM GENERAL INFLECTIONS IN A STRING
@typechecked
def inflect(self, text: Word) -> str:
"""
Perform inflections in a string.
e.g. inflect('The plural of cat is plural(cat)') returns
'The plural of cat is cats'
can use plural, plural_noun, plural_verb, plural_adj,
singular_noun, a, an, no, ordinal, number_to_words,
and prespart
"""
save_persistent_count = self.persistent_count
# Dictionary of allowed methods
methods_dict: Dict[str, Callable] = {
"plural": self.plural,
"plural_adj": self.plural_adj,
"plural_noun": self.plural_noun,
"plural_verb": self.plural_verb,
"singular_noun": self.singular_noun,
"a": self.a,
"an": self.a,
"no": self.no,
"ordinal": self.ordinal,
"number_to_words": self.number_to_words,
"present_participle": self.present_participle,
"num": self.num,
}
# Regular expression to find Python's function call syntax
output = FUNCTION_CALL.sub(
lambda mo: self._string_to_substitute(mo, methods_dict), text
)
self.persistent_count = save_persistent_count
return output
# ## PLURAL SUBROUTINES
def postprocess(self, orig: str, inflected) -> str:
inflected = str(inflected)
if "|" in inflected:
word_options = inflected.split("|")
# When two parts of a noun need to be pluralized
if len(word_options[0].split(" ")) == len(word_options[1].split(" ")):
result = inflected.split("|")[self.classical_dict["all"]].split(" ")
# When only the last part of the noun needs to be pluralized
else:
result = inflected.split(" ")
for index, word in enumerate(result):
if "|" in word:
result[index] = word.split("|")[self.classical_dict["all"]]
else:
result = inflected.split(" ")
# Try to fix word wise capitalization
for index, word in enumerate(orig.split(" ")):
if word == "I":
# Is this the only word for exceptions like this
# Where the original is fully capitalized
# without 'meaning' capitalization?
# Also this fails to handle a capitalizaion in context
continue
if word.capitalize() == word:
result[index] = result[index].capitalize()
if word == word.upper():
result[index] = result[index].upper()
return " ".join(result)
def partition_word(self, text: str) -> Tuple[str, str, str]:
mo = PARTITION_WORD.search(text)
if mo:
return mo.group(1), mo.group(2), mo.group(3)
else:
return "", "", ""
@typechecked
def plural(self, text: Word, count: Optional[Union[str, int, Any]] = None) -> str:
"""
Return the plural of text.
If count supplied, then return text if count is one of:
1, a, an, one, each, every, this, that
otherwise return the plural.
Whitespace at the start and end is preserved.
"""
pre, word, post = self.partition_word(text)
if not word:
return text
plural = self.postprocess(
word,
self._pl_special_adjective(word, count)
or self._pl_special_verb(word, count)
or self._plnoun(word, count),
)
return f"{pre}{plural}{post}"
@typechecked
def plural_noun(
self, text: Word, count: Optional[Union[str, int, Any]] = None
) -> str:
"""
Return the plural of text, where text is a noun.
If count supplied, then return text if count is one of:
1, a, an, one, each, every, this, that
otherwise return the plural.
Whitespace at the start and end is preserved.
"""
pre, word, post = self.partition_word(text)
if not word:
return text
plural = self.postprocess(word, self._plnoun(word, count))
return f"{pre}{plural}{post}"
@typechecked
def plural_verb(
self, text: Word, count: Optional[Union[str, int, Any]] = None
) -> str:
"""
Return the plural of text, where text is a verb.
If count supplied, then return text if count is one of:
1, a, an, one, each, every, this, that
otherwise return the plural.
Whitespace at the start and end is preserved.
"""
pre, word, post = self.partition_word(text)
if not word:
return text
plural = self.postprocess(
word,
self._pl_special_verb(word, count) or self._pl_general_verb(word, count),
)
return f"{pre}{plural}{post}"
@typechecked
def plural_adj(
self, text: Word, count: Optional[Union[str, int, Any]] = None
) -> str:
"""
Return the plural of text, where text is an adjective.
If count supplied, then return text if count is one of:
1, a, an, one, each, every, this, that
otherwise return the plural.
Whitespace at the start and end is preserved.
"""
pre, word, post = self.partition_word(text)
if not word:
return text
plural = self.postprocess(word, self._pl_special_adjective(word, count) or word)
return f"{pre}{plural}{post}"
@typechecked
def compare(self, word1: Word, word2: Word) -> Union[str, bool]:
"""
compare word1 and word2 for equality regardless of plurality
return values:
eq - the strings are equal
p:s - word1 is the plural of word2
s:p - word2 is the plural of word1
p:p - word1 and word2 are two different plural forms of the one word
False - otherwise
>>> compare = engine().compare
>>> compare("egg", "eggs")
's:p'
>>> compare('egg', 'egg')
'eq'
Words should not be empty.
>>> compare('egg', '')
Traceback (most recent call last):
...
typeguard.TypeCheckError:...is not an instance of inflect.Word
"""
norms = self.plural_noun, self.plural_verb, self.plural_adj
results = (self._plequal(word1, word2, norm) for norm in norms)
return next(filter(None, results), False)
@typechecked
def compare_nouns(self, word1: Word, word2: Word) -> Union[str, bool]:
"""
compare word1 and word2 for equality regardless of plurality
word1 and word2 are to be treated as nouns
return values:
eq - the strings are equal
p:s - word1 is the plural of word2
s:p - word2 is the plural of word1
p:p - word1 and word2 are two different plural forms of the one word
False - otherwise
"""
return self._plequal(word1, word2, self.plural_noun)
@typechecked
def compare_verbs(self, word1: Word, word2: Word) -> Union[str, bool]:
"""
compare word1 and word2 for equality regardless of plurality
word1 and word2 are to be treated as verbs
return values:
eq - the strings are equal
p:s - word1 is the plural of word2
s:p - word2 is the plural of word1
p:p - word1 and word2 are two different plural forms of the one word
False - otherwise
"""
return self._plequal(word1, word2, self.plural_verb)
@typechecked
def compare_adjs(self, word1: Word, word2: Word) -> Union[str, bool]:
"""
compare word1 and word2 for equality regardless of plurality
word1 and word2 are to be treated as adjectives
return values:
eq - the strings are equal
p:s - word1 is the plural of word2
s:p - word2 is the plural of word1
p:p - word1 and word2 are two different plural forms of the one word
False - otherwise
"""
return self._plequal(word1, word2, self.plural_adj)
@typechecked
def singular_noun(
self,
text: Word,
count: Optional[Union[int, str, Any]] = None,
gender: Optional[str] = None,
) -> Union[str, Literal[False]]:
"""
Return the singular of text, where text is a plural noun.
If count supplied, then return the singular if count is one of:
1, a, an, one, each, every, this, that or if count is None
otherwise return text unchanged.
Whitespace at the start and end is preserved.
>>> p = engine()
>>> p.singular_noun('horses')
'horse'
>>> p.singular_noun('knights')
'knight'
Returns False when a singular noun is passed.
>>> p.singular_noun('horse')
False
>>> p.singular_noun('knight')
False
>>> p.singular_noun('soldier')
False
"""
pre, word, post = self.partition_word(text)
if not word:
return text
sing = self._sinoun(word, count=count, gender=gender)
if sing is not False:
plural = self.postprocess(word, sing)
return f"{pre}{plural}{post}"
return False
def _plequal(self, word1: str, word2: str, pl) -> Union[str, bool]: # noqa: C901
classval = self.classical_dict.copy()
self.classical_dict = all_classical.copy()
if word1 == word2:
return "eq"
if word1 == pl(word2):
return "p:s"
if pl(word1) == word2:
return "s:p"
self.classical_dict = no_classical.copy()
if word1 == pl(word2):
return "p:s"
if pl(word1) == word2:
return "s:p"
self.classical_dict = classval.copy()
if pl == self.plural or pl == self.plural_noun:
if self._pl_check_plurals_N(word1, word2):
return "p:p"
if self._pl_check_plurals_N(word2, word1):
return "p:p"
if pl == self.plural or pl == self.plural_adj:
if self._pl_check_plurals_adj(word1, word2):
return "p:p"
return False
def _pl_reg_plurals(self, pair: str, stems: str, end1: str, end2: str) -> bool:
pattern = rf"({stems})({end1}\|\1{end2}|{end2}\|\1{end1})"
return bool(re.search(pattern, pair))
def _pl_check_plurals_N(self, word1: str, word2: str) -> bool:
stem_endings = (
(pl_sb_C_a_ata, "as", "ata"),
(pl_sb_C_is_ides, "is", "ides"),
(pl_sb_C_a_ae, "s", "e"),
(pl_sb_C_en_ina, "ens", "ina"),
(pl_sb_C_um_a, "ums", "a"),
(pl_sb_C_us_i, "uses", "i"),
(pl_sb_C_on_a, "ons", "a"),
(pl_sb_C_o_i_stems, "os", "i"),
(pl_sb_C_ex_ices, "exes", "ices"),
(pl_sb_C_ix_ices, "ixes", "ices"),
(pl_sb_C_i, "s", "i"),
(pl_sb_C_im, "s", "im"),
(".*eau", "s", "x"),
(".*ieu", "s", "x"),
(".*tri", "xes", "ces"),
(".{2,}[yia]n", "xes", "ges"),
)
words = map(Words, (word1, word2))
pair = "|".join(word.last for word in words)
return (
pair in pl_sb_irregular_s.values()
or pair in pl_sb_irregular.values()
or pair in pl_sb_irregular_caps.values()
or any(
self._pl_reg_plurals(pair, stems, end1, end2)
for stems, end1, end2 in stem_endings
)
)
def _pl_check_plurals_adj(self, word1: str, word2: str) -> bool:
word1a = word1[: word1.rfind("'")] if word1.endswith(("'s", "'")) else ""
word2a = word2[: word2.rfind("'")] if word2.endswith(("'s", "'")) else ""
return (
bool(word1a)
and bool(word2a)
and (
self._pl_check_plurals_N(word1a, word2a)
or self._pl_check_plurals_N(word2a, word1a)
)
)
def get_count(self, count: Optional[Union[str, int]] = None) -> Union[str, int]:
if count is None and self.persistent_count is not None:
count = self.persistent_count
if count is not None:
count = (
1
if (
(str(count) in pl_count_one)
or (
self.classical_dict["zero"]
and str(count).lower() in pl_count_zero
)
)
else 2
)
else:
count = ""
return count
# @profile
def _plnoun( # noqa: C901
self, word: str, count: Optional[Union[str, int]] = None
) -> str:
count = self.get_count(count)
# DEFAULT TO PLURAL
if count == 1:
return word
# HANDLE USER-DEFINED NOUNS
value = self.ud_match(word, self.pl_sb_user_defined)
if value is not None:
return value
# HANDLE EMPTY WORD, SINGULAR COUNT AND UNINFLECTED PLURALS
if word == "":
return word
word = Words(word)
if word.last.lower() in pl_sb_uninflected_complete:
if len(word.split_) >= 3:
return self._handle_long_compounds(word, count=2) or word
return word
if word in pl_sb_uninflected_caps:
return word
for k, v in pl_sb_uninflected_bysize.items():
if word.lowered[-k:] in v:
return word
if self.classical_dict["herd"] and word.last.lower() in pl_sb_uninflected_herd:
return word
# HANDLE COMPOUNDS ("Governor General", "mother-in-law", "aide-de-camp", ETC.)
mo = PL_SB_POSTFIX_ADJ_STEMS_RE.search(word)
if mo and mo.group(2) != "":
return f"{self._plnoun(mo.group(1), 2)}{mo.group(2)}"
if " a " in word.lowered or "-a-" in word.lowered:
mo = PL_SB_PREP_DUAL_COMPOUND_RE.search(word)
if mo and mo.group(2) != "" and mo.group(3) != "":
return (
f"{self._plnoun(mo.group(1), 2)}"
f"{mo.group(2)}"
f"{self._plnoun(mo.group(3))}"
)
if len(word.split_) >= 3:
handled_words = self._handle_long_compounds(word, count=2)
if handled_words is not None:
return handled_words
# only pluralize denominators in units
mo = DENOMINATOR.search(word.lowered)
if mo:
index = len(mo.group("denominator"))
return f"{self._plnoun(word[:index])}{word[index:]}"
# handle units given in degrees (only accept if
# there is no more than one word following)
# degree Celsius => degrees Celsius but degree
# fahrenheit hour => degree fahrenheit hours
if len(word.split_) >= 2 and word.split_[-2] == "degree":
return " ".join([self._plnoun(word.first)] + word.split_[1:])
with contextlib.suppress(ValueError):
return self._handle_prepositional_phrase(
word.lowered,
functools.partial(self._plnoun, count=2),
'-',
)
# HANDLE PRONOUNS
for k, v in pl_pron_acc_keys_bysize.items():
if word.lowered[-k:] in v: # ends with accusative pronoun
for pk, pv in pl_prep_bysize.items():
if word.lowered[:pk] in pv: # starts with a prep
if word.lowered.split() == [
word.lowered[:pk],
word.lowered[-k:],
]:
# only whitespace in between
return word.lowered[:-k] + pl_pron_acc[word.lowered[-k:]]
try:
return pl_pron_nom[word.lowered]
except KeyError:
pass
try:
return pl_pron_acc[word.lowered]
except KeyError:
pass
# HANDLE ISOLATED IRREGULAR PLURALS
if word.last in pl_sb_irregular_caps:
llen = len(word.last)
return f"{word[:-llen]}{pl_sb_irregular_caps[word.last]}"
lowered_last = word.last.lower()
if lowered_last in pl_sb_irregular:
llen = len(lowered_last)
return f"{word[:-llen]}{pl_sb_irregular[lowered_last]}"
dash_split = word.lowered.split('-')
if (" ".join(dash_split[-2:])).lower() in pl_sb_irregular_compound:
llen = len(
" ".join(dash_split[-2:])
) # TODO: what if 2 spaces between these words?
return (
f"{word[:-llen]}"
f"{pl_sb_irregular_compound[(' '.join(dash_split[-2:])).lower()]}"
)
if word.lowered[-3:] == "quy":
return f"{word[:-1]}ies"
if word.lowered[-6:] == "person":
if self.classical_dict["persons"]:
return f"{word}s"
else:
return f"{word[:-4]}ople"
# HANDLE FAMILIES OF IRREGULAR PLURALS
if word.lowered[-3:] == "man":
for k, v in pl_sb_U_man_mans_bysize.items():
if word.lowered[-k:] in v:
return f"{word}s"
for k, v in pl_sb_U_man_mans_caps_bysize.items():
if word[-k:] in v:
return f"{word}s"
return f"{word[:-3]}men"
if word.lowered[-5:] == "mouse":
return f"{word[:-5]}mice"
if word.lowered[-5:] == "louse":
v = pl_sb_U_louse_lice_bysize.get(len(word))
if v and word.lowered in v:
return f"{word[:-5]}lice"
return f"{word}s"
if word.lowered[-5:] == "goose":
return f"{word[:-5]}geese"
if word.lowered[-5:] == "tooth":
return f"{word[:-5]}teeth"
if word.lowered[-4:] == "foot":
return f"{word[:-4]}feet"
if word.lowered[-4:] == "taco":
return f"{word[:-5]}tacos"
if word.lowered == "die":
return "dice"
# HANDLE UNASSIMILATED IMPORTS
if word.lowered[-4:] == "ceps":
return word
if word.lowered[-4:] == "zoon":
return f"{word[:-2]}a"
if word.lowered[-3:] in ("cis", "sis", "xis"):
return f"{word[:-2]}es"
for lastlet, d, numend, post in (
("h", pl_sb_U_ch_chs_bysize, None, "s"),
("x", pl_sb_U_ex_ices_bysize, -2, "ices"),
("x", pl_sb_U_ix_ices_bysize, -2, "ices"),
("m", pl_sb_U_um_a_bysize, -2, "a"),
("s", pl_sb_U_us_i_bysize, -2, "i"),
("n", pl_sb_U_on_a_bysize, -2, "a"),
("a", pl_sb_U_a_ae_bysize, None, "e"),
):
if word.lowered[-1] == lastlet: # this test to add speed
for k, v in d.items():
if word.lowered[-k:] in v:
return word[:numend] + post
# HANDLE INCOMPLETELY ASSIMILATED IMPORTS
if self.classical_dict["ancient"]:
if word.lowered[-4:] == "trix":
return f"{word[:-1]}ces"
if word.lowered[-3:] in ("eau", "ieu"):
return f"{word}x"
if word.lowered[-3:] in ("ynx", "inx", "anx") and len(word) > 4:
return f"{word[:-1]}ges"
for lastlet, d, numend, post in (
("n", pl_sb_C_en_ina_bysize, -2, "ina"),
("x", pl_sb_C_ex_ices_bysize, -2, "ices"),
("x", pl_sb_C_ix_ices_bysize, -2, "ices"),
("m", pl_sb_C_um_a_bysize, -2, "a"),
("s", pl_sb_C_us_i_bysize, -2, "i"),
("s", pl_sb_C_us_us_bysize, None, ""),
("a", pl_sb_C_a_ae_bysize, None, "e"),
("a", pl_sb_C_a_ata_bysize, None, "ta"),
("s", pl_sb_C_is_ides_bysize, -1, "des"),
("o", pl_sb_C_o_i_bysize, -1, "i"),
("n", pl_sb_C_on_a_bysize, -2, "a"),
):
if word.lowered[-1] == lastlet: # this test to add speed
for k, v in d.items():
if word.lowered[-k:] in v:
return word[:numend] + post
for d, numend, post in (
(pl_sb_C_i_bysize, None, "i"),
(pl_sb_C_im_bysize, None, "im"),
):
for k, v in d.items():
if word.lowered[-k:] in v:
return word[:numend] + post
# HANDLE SINGULAR NOUNS ENDING IN ...s OR OTHER SILIBANTS
if lowered_last in pl_sb_singular_s_complete:
return f"{word}es"
for k, v in pl_sb_singular_s_bysize.items():
if word.lowered[-k:] in v:
return f"{word}es"
if word.lowered[-2:] == "es" and word[0] == word[0].upper():
return f"{word}es"
if word.lowered[-1] == "z":
for k, v in pl_sb_z_zes_bysize.items():
if word.lowered[-k:] in v:
return f"{word}es"
if word.lowered[-2:-1] != "z":
return f"{word}zes"
if word.lowered[-2:] == "ze":
for k, v in pl_sb_ze_zes_bysize.items():
if word.lowered[-k:] in v:
return f"{word}s"
if word.lowered[-2:] in ("ch", "sh", "zz", "ss") or word.lowered[-1] == "x":
return f"{word}es"
# HANDLE ...f -> ...ves
if word.lowered[-3:] in ("elf", "alf", "olf"):
return f"{word[:-1]}ves"
if word.lowered[-3:] == "eaf" and word.lowered[-4:-3] != "d":
return f"{word[:-1]}ves"
if word.lowered[-4:] in ("nife", "life", "wife"):
return f"{word[:-2]}ves"
if word.lowered[-3:] == "arf":
return f"{word[:-1]}ves"
# HANDLE ...y
if word.lowered[-1] == "y":
if word.lowered[-2:-1] in "aeiou" or len(word) == 1:
return f"{word}s"
if self.classical_dict["names"]:
if word.lowered[-1] == "y" and word[0] == word[0].upper():
return f"{word}s"
return f"{word[:-1]}ies"
# HANDLE ...o
if lowered_last in pl_sb_U_o_os_complete:
return f"{word}s"
for k, v in pl_sb_U_o_os_bysize.items():
if word.lowered[-k:] in v:
return f"{word}s"
if word.lowered[-2:] in ("ao", "eo", "io", "oo", "uo"):
return f"{word}s"
if word.lowered[-1] == "o":
return f"{word}es"
# OTHERWISE JUST ADD ...s
return f"{word}s"
@classmethod
def _handle_prepositional_phrase(cls, phrase, transform, sep):
"""
Given a word or phrase possibly separated by sep, parse out
the prepositional phrase and apply the transform to the word
preceding the prepositional phrase.
Raise ValueError if the pivot is not found or if at least two
separators are not found.
>>> engine._handle_prepositional_phrase("man-of-war", str.upper, '-')
'MAN-of-war'
>>> engine._handle_prepositional_phrase("man of war", str.upper, ' ')
'MAN of war'
"""
parts = phrase.split(sep)
if len(parts) < 3:
raise ValueError("Cannot handle words with fewer than two separators")
pivot = cls._find_pivot(parts, pl_prep_list_da)
transformed = transform(parts[pivot - 1]) or parts[pivot - 1]
return " ".join(
parts[: pivot - 1] + [sep.join([transformed, parts[pivot], ''])]
) + " ".join(parts[(pivot + 1) :])
def _handle_long_compounds(self, word: Words, count: int) -> Union[str, None]:
"""
Handles the plural and singular for compound `Words` that
have three or more words, based on the given count.
>>> engine()._handle_long_compounds(Words("pair of scissors"), 2)
'pairs of scissors'
>>> engine()._handle_long_compounds(Words("men beyond hills"), 1)
'man beyond hills'
"""
inflection = self._sinoun if count == 1 else self._plnoun
solutions = ( # type: ignore
" ".join(
itertools.chain(
leader,
[inflection(cand, count), prep], # type: ignore
trailer,
)
)
for leader, (cand, prep), trailer in windowed_complete(word.split_, 2)
if prep in pl_prep_list_da # type: ignore
)
return next(solutions, None)
@staticmethod
def _find_pivot(words, candidates):
pivots = (
index for index in range(1, len(words) - 1) if words[index] in candidates
)
try:
return next(pivots)
except StopIteration:
raise ValueError("No pivot found") from None
def _pl_special_verb( # noqa: C901
self, word: str, count: Optional[Union[str, int]] = None
) -> Union[str, bool]:
if self.classical_dict["zero"] and str(count).lower() in pl_count_zero:
return False
count = self.get_count(count)
if count == 1:
return word
# HANDLE USER-DEFINED VERBS
value = self.ud_match(word, self.pl_v_user_defined)
if value is not None:
return value
# HANDLE IRREGULAR PRESENT TENSE (SIMPLE AND COMPOUND)
try:
words = Words(word)
except IndexError:
return False # word is ''
if words.first in plverb_irregular_pres:
return f"{plverb_irregular_pres[words.first]}{words[len(words.first) :]}"
# HANDLE IRREGULAR FUTURE, PRETERITE AND PERFECT TENSES
if words.first in plverb_irregular_non_pres:
return word
# HANDLE PRESENT NEGATIONS (SIMPLE AND COMPOUND)
if words.first.endswith("n't") and words.first[:-3] in plverb_irregular_pres:
return (
f"{plverb_irregular_pres[words.first[:-3]]}n't"
f"{words[len(words.first) :]}"
)
if words.first.endswith("n't"):
return word
# HANDLE SPECIAL CASES
mo = PLVERB_SPECIAL_S_RE.search(word)
if mo:
return False
if WHITESPACE.search(word):
return False
if words.lowered == "quizzes":
return "quiz"
# HANDLE STANDARD 3RD PERSON (CHOP THE ...(e)s OFF SINGLE WORDS)
if (
words.lowered[-4:] in ("ches", "shes", "zzes", "sses")
or words.lowered[-3:] == "xes"
):
return words[:-2]
if words.lowered[-3:] == "ies" and len(words) > 3:
return words.lowered[:-3] + "y"
if (
words.last.lower() in pl_v_oes_oe
or words.lowered[-4:] in pl_v_oes_oe_endings_size4
or words.lowered[-5:] in pl_v_oes_oe_endings_size5
):
return words[:-1]
if words.lowered.endswith("oes") and len(words) > 3:
return words.lowered[:-2]
mo = ENDS_WITH_S.search(words)
if mo:
return mo.group(1)
# OTHERWISE, A REGULAR VERB (HANDLE ELSEWHERE)
return False
def _pl_general_verb(
self, word: str, count: Optional[Union[str, int]] = None
) -> str:
count = self.get_count(count)
if count == 1:
return word
# HANDLE AMBIGUOUS PRESENT TENSES (SIMPLE AND COMPOUND)
mo = plverb_ambiguous_pres_keys.search(word)
if mo:
return f"{plverb_ambiguous_pres[mo.group(1).lower()]}{mo.group(2)}"
# HANDLE AMBIGUOUS PRETERITE AND PERFECT TENSES
mo = plverb_ambiguous_non_pres.search(word)
if mo:
return word
# OTHERWISE, 1st OR 2ND PERSON IS UNINFLECTED
return word
def _pl_special_adjective(
self, word: str, count: Optional[Union[str, int]] = None
) -> Union[str, bool]:
count = self.get_count(count)
if count == 1:
return word
# HANDLE USER-DEFINED ADJECTIVES
value = self.ud_match(word, self.pl_adj_user_defined)
if value is not None:
return value
# HANDLE KNOWN CASES
mo = pl_adj_special_keys.search(word)
if mo:
return pl_adj_special[mo.group(1).lower()]
# HANDLE POSSESSIVES
mo = pl_adj_poss_keys.search(word)
if mo:
return pl_adj_poss[mo.group(1).lower()]
mo = ENDS_WITH_APOSTROPHE_S.search(word)
if mo:
pl = self.plural_noun(mo.group(1))
trailing_s = "" if pl[-1] == "s" else "s"
return f"{pl}'{trailing_s}"
# OTHERWISE, NO IDEA
return False
# @profile
def _sinoun( # noqa: C901
self,
word: str,
count: Optional[Union[str, int]] = None,
gender: Optional[str] = None,
) -> Union[str, bool]:
count = self.get_count(count)
# DEFAULT TO PLURAL
if count == 2:
return word
# SET THE GENDER
try:
if gender is None:
gender = self.thegender
elif gender not in singular_pronoun_genders:
raise BadGenderError
except (TypeError, IndexError) as err:
raise BadGenderError from err
# HANDLE USER-DEFINED NOUNS
value = self.ud_match(word, self.si_sb_user_defined)
if value is not None:
return value
# HANDLE EMPTY WORD, SINGULAR COUNT AND UNINFLECTED PLURALS
if word == "":
return word
if word in si_sb_ois_oi_case:
return word[:-1]
words = Words(word)
if words.last.lower() in pl_sb_uninflected_complete:
if len(words.split_) >= 3:
return self._handle_long_compounds(words, count=1) or word
return word
if word in pl_sb_uninflected_caps:
return word
for k, v in pl_sb_uninflected_bysize.items():
if words.lowered[-k:] in v:
return word
if self.classical_dict["herd"] and words.last.lower() in pl_sb_uninflected_herd:
return word
if words.last.lower() in pl_sb_C_us_us:
return word if self.classical_dict["ancient"] else False
# HANDLE COMPOUNDS ("Governor General", "mother-in-law", "aide-de-camp", ETC.)
mo = PL_SB_POSTFIX_ADJ_STEMS_RE.search(word)
if mo and mo.group(2) != "":
return f"{self._sinoun(mo.group(1), 1, gender=gender)}{mo.group(2)}"
with contextlib.suppress(ValueError):
return self._handle_prepositional_phrase(
words.lowered,
functools.partial(self._sinoun, count=1, gender=gender),
' ',
)
with contextlib.suppress(ValueError):
return self._handle_prepositional_phrase(
words.lowered,
functools.partial(self._sinoun, count=1, gender=gender),
'-',
)
# HANDLE PRONOUNS
for k, v in si_pron_acc_keys_bysize.items():
if words.lowered[-k:] in v: # ends with accusative pronoun
for pk, pv in pl_prep_bysize.items():
if words.lowered[:pk] in pv: # starts with a prep
if words.lowered.split() == [
words.lowered[:pk],
words.lowered[-k:],
]:
# only whitespace in between
return words.lowered[:-k] + get_si_pron(
"acc", words.lowered[-k:], gender
)
try:
return get_si_pron("nom", words.lowered, gender)
except KeyError:
pass
try:
return get_si_pron("acc", words.lowered, gender)
except KeyError:
pass
# HANDLE ISOLATED IRREGULAR PLURALS
if words.last in si_sb_irregular_caps:
llen = len(words.last)
return f"{word[:-llen]}{si_sb_irregular_caps[words.last]}"
if words.last.lower() in si_sb_irregular:
llen = len(words.last.lower())
return f"{word[:-llen]}{si_sb_irregular[words.last.lower()]}"
dash_split = words.lowered.split("-")
if (" ".join(dash_split[-2:])).lower() in si_sb_irregular_compound:
llen = len(
" ".join(dash_split[-2:])
) # TODO: what if 2 spaces between these words?
return "{}{}".format(
word[:-llen],
si_sb_irregular_compound[(" ".join(dash_split[-2:])).lower()],
)
if words.lowered[-5:] == "quies":
return word[:-3] + "y"
if words.lowered[-7:] == "persons":
return word[:-1]
if words.lowered[-6:] == "people":
return word[:-4] + "rson"
# HANDLE FAMILIES OF IRREGULAR PLURALS
if words.lowered[-4:] == "mans":
for k, v in si_sb_U_man_mans_bysize.items():
if words.lowered[-k:] in v:
return word[:-1]
for k, v in si_sb_U_man_mans_caps_bysize.items():
if word[-k:] in v:
return word[:-1]
if words.lowered[-3:] == "men":
return word[:-3] + "man"
if words.lowered[-4:] == "mice":
return word[:-4] + "mouse"
if words.lowered[-4:] == "lice":
v = si_sb_U_louse_lice_bysize.get(len(word))
if v and words.lowered in v:
return word[:-4] + "louse"
if words.lowered[-5:] == "geese":
return word[:-5] + "goose"
if words.lowered[-5:] == "teeth":
return word[:-5] + "tooth"
if words.lowered[-4:] == "feet":
return word[:-4] + "foot"
if words.lowered == "dice":
return "die"
# HANDLE UNASSIMILATED IMPORTS
if words.lowered[-4:] == "ceps":
return word
if words.lowered[-3:] == "zoa":
return word[:-1] + "on"
for lastlet, d, unass_numend, post in (
("s", si_sb_U_ch_chs_bysize, -1, ""),
("s", si_sb_U_ex_ices_bysize, -4, "ex"),
("s", si_sb_U_ix_ices_bysize, -4, "ix"),
("a", si_sb_U_um_a_bysize, -1, "um"),
("i", si_sb_U_us_i_bysize, -1, "us"),
("a", si_sb_U_on_a_bysize, -1, "on"),
("e", si_sb_U_a_ae_bysize, -1, ""),
):
if words.lowered[-1] == lastlet: # this test to add speed
for k, v in d.items():
if words.lowered[-k:] in v:
return word[:unass_numend] + post
# HANDLE INCOMPLETELY ASSIMILATED IMPORTS
if self.classical_dict["ancient"]:
if words.lowered[-6:] == "trices":
return word[:-3] + "x"
if words.lowered[-4:] in ("eaux", "ieux"):
return word[:-1]
if words.lowered[-5:] in ("ynges", "inges", "anges") and len(word) > 6:
return word[:-3] + "x"
for lastlet, d, class_numend, post in (
("a", si_sb_C_en_ina_bysize, -3, "en"),
("s", si_sb_C_ex_ices_bysize, -4, "ex"),
("s", si_sb_C_ix_ices_bysize, -4, "ix"),
("a", si_sb_C_um_a_bysize, -1, "um"),
("i", si_sb_C_us_i_bysize, -1, "us"),
("s", pl_sb_C_us_us_bysize, None, ""),
("e", si_sb_C_a_ae_bysize, -1, ""),
("a", si_sb_C_a_ata_bysize, -2, ""),
("s", si_sb_C_is_ides_bysize, -3, "s"),
("i", si_sb_C_o_i_bysize, -1, "o"),
("a", si_sb_C_on_a_bysize, -1, "on"),
("m", si_sb_C_im_bysize, -2, ""),
("i", si_sb_C_i_bysize, -1, ""),
):
if words.lowered[-1] == lastlet: # this test to add speed
for k, v in d.items():
if words.lowered[-k:] in v:
return word[:class_numend] + post
# HANDLE PLURLS ENDING IN uses -> use
if (
words.lowered[-6:] == "houses"
or word in si_sb_uses_use_case
or words.last.lower() in si_sb_uses_use
):
return word[:-1]
# HANDLE PLURLS ENDING IN ies -> ie
if word in si_sb_ies_ie_case or words.last.lower() in si_sb_ies_ie:
return word[:-1]
# HANDLE PLURLS ENDING IN oes -> oe
if (
words.lowered[-5:] == "shoes"
or word in si_sb_oes_oe_case
or words.last.lower() in si_sb_oes_oe
):
return word[:-1]
# HANDLE SINGULAR NOUNS ENDING IN ...s OR OTHER SILIBANTS
if word in si_sb_sses_sse_case or words.last.lower() in si_sb_sses_sse:
return word[:-1]
if words.last.lower() in si_sb_singular_s_complete:
return word[:-2]
for k, v in si_sb_singular_s_bysize.items():
if words.lowered[-k:] in v:
return word[:-2]
if words.lowered[-4:] == "eses" and word[0] == word[0].upper():
return word[:-2]
if words.last.lower() in si_sb_z_zes:
return word[:-2]
if words.last.lower() in si_sb_zzes_zz:
return word[:-2]
if words.lowered[-4:] == "zzes":
return word[:-3]
if word in si_sb_ches_che_case or words.last.lower() in si_sb_ches_che:
return word[:-1]
if words.lowered[-4:] in ("ches", "shes"):
return word[:-2]
if words.last.lower() in si_sb_xes_xe:
return word[:-1]
if words.lowered[-3:] == "xes":
return word[:-2]
# HANDLE ...f -> ...ves
if word in si_sb_ves_ve_case or words.last.lower() in si_sb_ves_ve:
return word[:-1]
if words.lowered[-3:] == "ves":
if words.lowered[-5:-3] in ("el", "al", "ol"):
return word[:-3] + "f"
if words.lowered[-5:-3] == "ea" and word[-6:-5] != "d":
return word[:-3] + "f"
if words.lowered[-5:-3] in ("ni", "li", "wi"):
return word[:-3] + "fe"
if words.lowered[-5:-3] == "ar":
return word[:-3] + "f"
# HANDLE ...y
if words.lowered[-2:] == "ys":
if len(words.lowered) > 2 and words.lowered[-3] in "aeiou":
return word[:-1]
if self.classical_dict["names"]:
if words.lowered[-2:] == "ys" and word[0] == word[0].upper():
return word[:-1]
if words.lowered[-3:] == "ies":
return word[:-3] + "y"
# HANDLE ...o
if words.lowered[-2:] == "os":
if words.last.lower() in si_sb_U_o_os_complete:
return word[:-1]
for k, v in si_sb_U_o_os_bysize.items():
if words.lowered[-k:] in v:
return word[:-1]
if words.lowered[-3:] in ("aos", "eos", "ios", "oos", "uos"):
return word[:-1]
if words.lowered[-3:] == "oes":
return word[:-2]
# UNASSIMILATED IMPORTS FINAL RULE
if word in si_sb_es_is:
return word[:-2] + "is"
# OTHERWISE JUST REMOVE ...s
if words.lowered[-1] == "s":
return word[:-1]
# COULD NOT FIND SINGULAR
return False
# ADJECTIVES
@typechecked
def a(self, text: Word, count: Optional[Union[int, str, Any]] = 1) -> str:
"""
Return the appropriate indefinite article followed by text.
The indefinite article is either 'a' or 'an'.
If count is not one, then return count followed by text
instead of 'a' or 'an'.
Whitespace at the start and end is preserved.
"""
mo = INDEFINITE_ARTICLE_TEST.search(text)
if mo:
word = mo.group(2)
if not word:
return text
pre = mo.group(1)
post = mo.group(3)
result = self._indef_article(word, count)
return f"{pre}{result}{post}"
return ""
an = a
_indef_article_cases = (
# HANDLE ORDINAL FORMS
(A_ordinal_a, "a"),
(A_ordinal_an, "an"),
# HANDLE SPECIAL CASES
(A_explicit_an, "an"),
(SPECIAL_AN, "an"),
(SPECIAL_A, "a"),
# HANDLE ABBREVIATIONS
(A_abbrev, "an"),
(SPECIAL_ABBREV_AN, "an"),
(SPECIAL_ABBREV_A, "a"),
# HANDLE CONSONANTS
(CONSONANTS, "a"),
# HANDLE SPECIAL VOWEL-FORMS
(ARTICLE_SPECIAL_EU, "a"),
(ARTICLE_SPECIAL_ONCE, "a"),
(ARTICLE_SPECIAL_ONETIME, "a"),
(ARTICLE_SPECIAL_UNIT, "a"),
(ARTICLE_SPECIAL_UBA, "a"),
(ARTICLE_SPECIAL_UKR, "a"),
(A_explicit_a, "a"),
# HANDLE SPECIAL CAPITALS
(SPECIAL_CAPITALS, "a"),
# HANDLE VOWELS
(VOWELS, "an"),
# HANDLE y...
# (BEFORE CERTAIN CONSONANTS IMPLIES (UNNATURALIZED) "i.." SOUND)
(A_y_cons, "an"),
)
def _indef_article(self, word: str, count: Union[int, str, Any]) -> str:
mycount = self.get_count(count)
if mycount != 1:
return f"{count} {word}"
# HANDLE USER-DEFINED VARIANTS
value = self.ud_match(word, self.A_a_user_defined)
if value is not None:
return f"{value} {word}"
matches = (
f'{article} {word}'
for regexen, article in self._indef_article_cases
if regexen.search(word)
)
# OTHERWISE, GUESS "a"
fallback = f'a {word}'
return next(matches, fallback)
# 2. TRANSLATE ZERO-QUANTIFIED $word TO "no plural($word)"
@typechecked
def no(self, text: Word, count: Optional[Union[int, str]] = None) -> str:
"""
If count is 0, no, zero or nil, return 'no' followed by the plural
of text.
If count is one of:
1, a, an, one, each, every, this, that
return count followed by text.
Otherwise return count follow by the plural of text.
In the return value count is always followed by a space.
Whitespace at the start and end is preserved.
"""
if count is None and self.persistent_count is not None:
count = self.persistent_count
if count is None:
count = 0
mo = PARTITION_WORD.search(text)
if mo:
pre = mo.group(1)
word = mo.group(2)
post = mo.group(3)
else:
pre = ""
word = ""
post = ""
if str(count).lower() in pl_count_zero:
count = 'no'
return f"{pre}{count} {self.plural(word, count)}{post}"
# PARTICIPLES
@typechecked
def present_participle(self, word: Word) -> str:
"""
Return the present participle for word.
word is the 3rd person singular verb.
"""
plv = self.plural_verb(word, 2)
ans = plv
for regexen, repl in PRESENT_PARTICIPLE_REPLACEMENTS:
ans, num = regexen.subn(repl, plv)
if num:
return f"{ans}ing"
return f"{ans}ing"
# NUMERICAL INFLECTIONS
@typechecked
def ordinal(self, num: Union[Number, Word]) -> str:
"""
Return the ordinal of num.
>>> ordinal = engine().ordinal
>>> ordinal(1)
'1st'
>>> ordinal('one')
'first'
"""
if DIGIT.match(str(num)):
if isinstance(num, (float, int)) and int(num) == num:
n = int(num)
else:
if "." in str(num):
try:
# numbers after decimal,
# so only need last one for ordinal
n = int(str(num)[-1])
except ValueError: # ends with '.', so need to use whole string
n = int(str(num)[:-1])
else:
n = int(num) # type: ignore
try:
post = nth[n % 100]
except KeyError:
post = nth[n % 10]
return f"{num}{post}"
else:
return self._sub_ord(num)
def millfn(self, ind: int = 0) -> str:
if ind > len(mill) - 1:
raise NumOutOfRangeError
return mill[ind]
def unitfn(self, units: int, mindex: int = 0) -> str:
return f"{unit[units]}{self.millfn(mindex)}"
def tenfn(self, tens, units, mindex=0) -> str:
if tens != 1:
tens_part = ten[tens]
if tens and units:
hyphen = "-"
else:
hyphen = ""
unit_part = unit[units]
mill_part = self.millfn(mindex)
return f"{tens_part}{hyphen}{unit_part}{mill_part}"
return f"{teen[units]}{mill[mindex]}"
def hundfn(self, hundreds: int, tens: int, units: int, mindex: int) -> str:
if hundreds:
andword = f" {self._number_args['andword']} " if tens or units else ""
# use unit not unitfn as simpler
return (
f"{unit[hundreds]} hundred{andword}"
f"{self.tenfn(tens, units)}{self.millfn(mindex)}, "
)
if tens or units:
return f"{self.tenfn(tens, units)}{self.millfn(mindex)}, "
return ""
def group1sub(self, mo: Match) -> str:
units = int(mo.group(1))
if units == 1:
return f" {self._number_args['one']}, "
elif units:
return f"{unit[units]}, "
else:
return f" {self._number_args['zero']}, "
def group1bsub(self, mo: Match) -> str:
units = int(mo.group(1))
if units:
return f"{unit[units]}, "
else:
return f" {self._number_args['zero']}, "
def group2sub(self, mo: Match) -> str:
tens = int(mo.group(1))
units = int(mo.group(2))
if tens:
return f"{self.tenfn(tens, units)}, "
if units:
return f" {self._number_args['zero']} {unit[units]}, "
return f" {self._number_args['zero']} {self._number_args['zero']}, "
def group3sub(self, mo: Match) -> str:
hundreds = int(mo.group(1))
tens = int(mo.group(2))
units = int(mo.group(3))
if hundreds == 1:
hunword = f" {self._number_args['one']}"
elif hundreds:
hunword = str(unit[hundreds])
else:
hunword = f" {self._number_args['zero']}"
if tens:
tenword = self.tenfn(tens, units)
elif units:
tenword = f" {self._number_args['zero']} {unit[units]}"
else:
tenword = f" {self._number_args['zero']} {self._number_args['zero']}"
return f"{hunword} {tenword}, "
def hundsub(self, mo: Match) -> str:
ret = self.hundfn(
int(mo.group(1)), int(mo.group(2)), int(mo.group(3)), self.mill_count
)
self.mill_count += 1
return ret
def tensub(self, mo: Match) -> str:
return f"{self.tenfn(int(mo.group(1)), int(mo.group(2)), self.mill_count)}, "
def unitsub(self, mo: Match) -> str:
return f"{self.unitfn(int(mo.group(1)), self.mill_count)}, "
def enword(self, num: str, group: int) -> str:
# import pdb
# pdb.set_trace()
if group == 1:
num = DIGIT_GROUP.sub(self.group1sub, num)
elif group == 2:
num = TWO_DIGITS.sub(self.group2sub, num)
num = DIGIT_GROUP.sub(self.group1bsub, num, 1)
elif group == 3:
num = THREE_DIGITS.sub(self.group3sub, num)
num = TWO_DIGITS.sub(self.group2sub, num, 1)
num = DIGIT_GROUP.sub(self.group1sub, num, 1)
elif int(num) == 0:
num = self._number_args["zero"]
elif int(num) == 1:
num = self._number_args["one"]
else:
num = num.lstrip().lstrip("0")
self.mill_count = 0
# surely there's a better way to do the next bit
mo = THREE_DIGITS_WORD.search(num)
while mo:
num = THREE_DIGITS_WORD.sub(self.hundsub, num, 1)
mo = THREE_DIGITS_WORD.search(num)
num = TWO_DIGITS_WORD.sub(self.tensub, num, 1)
num = ONE_DIGIT_WORD.sub(self.unitsub, num, 1)
return num
@staticmethod
def _sub_ord(val):
new = ordinal_suff.sub(lambda match: ordinal[match.group(1)], val)
return new + "th" * (new == val)
@classmethod
def _chunk_num(cls, num, decimal, group):
if decimal:
max_split = -1 if group != 0 else 1
chunks = num.split(".", max_split)
else:
chunks = [num]
return cls._remove_last_blank(chunks)
@staticmethod
def _remove_last_blank(chunks):
"""
Remove the last item from chunks if it's a blank string.
Return the resultant chunks and whether the last item was removed.
"""
removed = chunks[-1] == ""
result = chunks[:-1] if removed else chunks
return result, removed
@staticmethod
def _get_sign(num):
return {'+': 'plus', '-': 'minus'}.get(num.lstrip()[0], '')
@typechecked
def number_to_words( # noqa: C901
self,
num: Union[Number, Word],
wantlist: bool = False,
group: int = 0,
comma: Union[Falsish, str] = ",",
andword: str = "and",
zero: str = "zero",
one: str = "one",
decimal: Union[Falsish, str] = "point",
threshold: Optional[int] = None,
) -> Union[str, List[str]]:
"""
Return a number in words.
group = 1, 2 or 3 to group numbers before turning into words
comma: define comma
andword:
word for 'and'. Can be set to ''.
e.g. "one hundred and one" vs "one hundred one"
zero: word for '0'
one: word for '1'
decimal: word for decimal point
threshold: numbers above threshold not turned into words
parameters not remembered from last call. Departure from Perl version.
"""
self._number_args = {"andword": andword, "zero": zero, "one": one}
num = str(num)
# Handle "stylistic" conversions (up to a given threshold)...
if threshold is not None and float(num) > threshold:
spnum = num.split(".", 1)
while comma:
(spnum[0], n) = FOUR_DIGIT_COMMA.subn(r"\1,\2", spnum[0])
if n == 0:
break
try:
return f"{spnum[0]}.{spnum[1]}"
except IndexError:
return str(spnum[0])
if group < 0 or group > 3:
raise BadChunkingOptionError
sign = self._get_sign(num)
if num in nth_suff:
num = zero
myord = num[-2:] in nth_suff
if myord:
num = num[:-2]
chunks, finalpoint = self._chunk_num(num, decimal, group)
loopstart = chunks[0] == ""
first: bool | None = not loopstart
def _handle_chunk(chunk):
nonlocal first
# remove all non numeric \D
chunk = NON_DIGIT.sub("", chunk)
if chunk == "":
chunk = "0"
if group == 0 and not first:
chunk = self.enword(chunk, 1)
else:
chunk = self.enword(chunk, group)
if chunk[-2:] == ", ":
chunk = chunk[:-2]
chunk = WHITESPACES_COMMA.sub(",", chunk)
if group == 0 and first:
chunk = COMMA_WORD.sub(f" {andword} \\1", chunk)
chunk = WHITESPACES.sub(" ", chunk)
# chunk = re.sub(r"(\A\s|\s\Z)", self.blankfn, chunk)
chunk = chunk.strip()
if first:
first = None
return chunk
chunks[loopstart:] = map(_handle_chunk, chunks[loopstart:])
numchunks = []
if first != 0:
numchunks = chunks[0].split(f"{comma} ")
if myord and numchunks:
numchunks[-1] = self._sub_ord(numchunks[-1])
for chunk in chunks[1:]:
numchunks.append(decimal)
numchunks.extend(chunk.split(f"{comma} "))
if finalpoint:
numchunks.append(decimal)
if wantlist:
return [sign] * bool(sign) + numchunks
signout = f"{sign} " if sign else ""
valout = (
', '.join(numchunks)
if group
else ''.join(self._render(numchunks, decimal, comma))
)
return signout + valout
@staticmethod
def _render(chunks, decimal, comma):
first_item = chunks.pop(0)
yield first_item
first = decimal is None or not first_item.endswith(decimal)
for nc in chunks:
if nc == decimal:
first = False
elif first:
yield comma
yield f" {nc}"
@typechecked
def join(
self,
words: Optional[Sequence[Word]],
sep: Optional[str] = None,
sep_spaced: bool = True,
final_sep: Optional[str] = None,
conj: str = "and",
conj_spaced: bool = True,
) -> str:
"""
Join words into a list.
e.g. join(['ant', 'bee', 'fly']) returns 'ant, bee, and fly'
options:
conj: replacement for 'and'
sep: separator. default ',', unless ',' is in the list then ';'
final_sep: final separator. default ',', unless ',' is in the list then ';'
conj_spaced: boolean. Should conj have spaces around it
"""
if not words:
return ""
if len(words) == 1:
return words[0]
if conj_spaced:
if conj == "":
conj = " "
else:
conj = f" {conj} "
if len(words) == 2:
return f"{words[0]}{conj}{words[1]}"
if sep is None:
if "," in "".join(words):
sep = ";"
else:
sep = ","
if final_sep is None:
final_sep = sep
final_sep = f"{final_sep}{conj}"
if sep_spaced:
sep += " "
return f"{sep.join(words[0:-1])}{final_sep}{words[-1]}"