修改为东南天坐标系

backend_service/venv/lib/python3.13/site-packages/iso639/__init__.py

@@ -0,0 +1,21 @@
+import datetime
+from importlib.metadata import version
+
+from .language import ALL_LANGUAGES, Language, LanguageNotFoundError
+
+
+# __version__ is based on calendar versioning (https://calver.org/).
+# __version__ and DATA_LAST_UPDATED are intentionally kept separate.
+# While DATA_LAST_UPDATED is strictly the date for the ISO 639-3 data release,
+# __version__ can be bumped for changes other than data updates.
+__version__ = version("python-iso639")
+DATA_LAST_UPDATED = datetime.date(2025, 10, 15)
+
+
+__all__ = [
+    "__version__",
+    "ALL_LANGUAGES",
+    "DATA_LAST_UPDATED",
+    "Language",
+    "LanguageNotFoundError",
+]

backend_service/venv/lib/python3.13/site-packages/iso639/_data/__init__.py

@@ -0,0 +1,117 @@
+from __future__ import annotations
+
+import csv
+import os
+from collections import defaultdict
+from enum import Enum
+
+
+class _CodesColumn(Enum):
+    ID = "Id"
+    PART2B = "Part2b"
+    PART2T = "Part2t"
+    PART1 = "Part1"
+    SCOPE = "Scope"
+    TYPE = "Language_Type"
+    REF_NAME = "Ref_Name"
+    COMMENT = "Comment"
+
+
+class _NameIndexColumn(Enum):
+    ID = "Id"
+    PRINT_NAME = "Print_Name"
+    INVERTED_NAME = "Inverted_Name"
+
+
+class _RetirementsColumn(Enum):
+    ID = "Id"
+    REF_NAME = "Ref_Name"
+    RET_REASON = "Ret_Reason"
+    CHANGE_TO = "Change_To"
+    REMEDY = "Ret_Remedy"
+    EFFECTIVE = "Effective"
+
+
+class _MacrolanguagesColumn(Enum):
+    ID = "I_Id"
+    MID = "M_Id"
+    STATUS = "I_Status"
+
+
+_COLUMN_TYPE = (
+    _CodesColumn | _NameIndexColumn | _RetirementsColumn | _MacrolanguagesColumn
+)
+_ROW_TYPE = dict[_COLUMN_TYPE, str]
+
+
+class _Table(Enum):
+    CODES = _CodesColumn
+    NAME_INDEX = _NameIndexColumn
+    RETIREMENTS = _RetirementsColumn
+    MACROLANGUAGES = _MacrolanguagesColumn
+
+
+_THIS_DIR = os.path.dirname(__file__)
+_DATA_TSV_PATHS = {
+    _Table.CODES: os.path.join(_THIS_DIR, "iso-639-3.tab"),
+    _Table.NAME_INDEX: os.path.join(_THIS_DIR, "iso-639-3_Name_Index.tab"),
+    _Table.MACROLANGUAGES: os.path.join(_THIS_DIR, "iso-639-3-macrolanguages.tab"),
+    _Table.RETIREMENTS: os.path.join(_THIS_DIR, "iso-639-3_Retirements.tab"),
+}
+
+
+def _load_tsv(table: _Table) -> list[_ROW_TYPE]:
+    column = table.value
+    with open(_DATA_TSV_PATHS[table], encoding="utf-8", newline="") as tsv_file:
+        tsv_reader = csv.DictReader(tsv_file, delimiter="\t")
+        return [{column(k): v for k, v in row.items()} for row in tsv_reader]
+
+
+_PART3_TO_CODES: dict[str, _ROW_TYPE] = {
+    row[_CodesColumn.ID]: row for row in _load_tsv(_Table.CODES)
+}
+
+_part3_to_name_index: defaultdict[str, list[_ROW_TYPE]] = defaultdict(list)
+for row in _load_tsv(_Table.NAME_INDEX):
+    _part3_to_name_index[row[_NameIndexColumn.ID]].append(row)
+_PART3_TO_NAME_INDEX: dict[str, list[_ROW_TYPE]] = dict(_part3_to_name_index)
+
+_PART3_TO_RETIREMENTS: dict[str, _ROW_TYPE] = {
+    row[_RetirementsColumn.ID]: row for row in _load_tsv(_Table.RETIREMENTS)
+}
+_PART3_TO_MACROLANGUAGES: dict[str, _ROW_TYPE] = {
+    row[_MacrolanguagesColumn.ID]: row for row in _load_tsv(_Table.MACROLANGUAGES)
+}
+
+_PART2B_TO_PART3: dict[str, str] = {
+    row[_CodesColumn.PART2B]: part3
+    for part3, row in _PART3_TO_CODES.items()
+    if row[_CodesColumn.PART2B]
+}
+_PART2T_TO_PART3: dict[str, str] = {
+    row[_CodesColumn.PART2T]: part3
+    for part3, row in _PART3_TO_CODES.items()
+    if row[_CodesColumn.PART2T]
+}
+_PART1_TO_PART3: dict[str, str] = {
+    row[_CodesColumn.PART1]: part3
+    for part3, row in _PART3_TO_CODES.items()
+    if row[_CodesColumn.PART1]
+}
+_REF_NAME_TO_PART3: dict[str, str] = {
+    row[_CodesColumn.REF_NAME]: part3
+    for part3, row in _PART3_TO_CODES.items()
+    if row[_CodesColumn.REF_NAME]
+}
+_PRINT_NAME_TO_PART3: dict[str, str] = {
+    row[_NameIndexColumn.PRINT_NAME]: part3
+    for part3, rows in _PART3_TO_NAME_INDEX.items()
+    for row in rows
+    if row[_NameIndexColumn.PRINT_NAME]
+}
+_INVERTED_NAME_TO_PART3: dict[str, str] = {
+    row[_NameIndexColumn.INVERTED_NAME]: part3
+    for part3, rows in _PART3_TO_NAME_INDEX.items()
+    for row in rows
+    if row[_NameIndexColumn.INVERTED_NAME]
+}

backend_service/venv/lib/python3.13/site-packages/iso639/_data/iso-639-3-macrolanguages.tab

@@ -0,0 +1,460 @@
+M_Id	I_Id	I_Status
+aka	fat	A
+aka	twi	A
+ara	aao	A
+ara	abh	A
+ara	abv	A
+ara	acm	A
+ara	acq	A
+ara	acw	A
+ara	acx	A
+ara	acy	A
+ara	adf	A
+ara	aeb	A
+ara	aec	A
+ara	afb	A
+ara	ajp	R
+ara	apc	A
+ara	apd	A
+ara	arb	A
+ara	arq	A
+ara	ars	A
+ara	ary	A
+ara	arz	A
+ara	auz	A
+ara	avl	A
+ara	ayh	A
+ara	ayl	A
+ara	ayn	A
+ara	ayp	A
+ara	bbz	R
+ara	pga	A
+ara	shu	A
+ara	ssh	A
+aym	ayc	A
+aym	ayr	A
+aze	azb	A
+aze	azj	A
+bal	bcc	A
+bal	bgn	A
+bal	bgp	A
+bik	bcl	A
+bik	bhk	R
+bik	bln	A
+bik	bto	A
+bik	cts	A
+bik	fbl	A
+bik	lbl	A
+bik	rbl	A
+bik	ubl	A
+bnc	ebk	A
+bnc	lbk	A
+bnc	obk	A
+bnc	rbk	A
+bnc	vbk	A
+bua	bxm	A
+bua	bxr	A
+bua	bxu	A
+chm	mhr	A
+chm	mrj	A
+cre	crj	A
+cre	crk	A
+cre	crl	A
+cre	crm	A
+cre	csw	A
+cre	cwd	A
+del	umu	A
+del	unm	A
+den	scs	A
+den	xsl	A
+din	dib	A
+din	dik	A
+din	dip	A
+din	diw	A
+din	dks	A
+doi	dgo	A
+doi	xnr	A
+est	ekk	A
+est	vro	A
+fas	pes	A
+fas	prs	A
+ful	ffm	A
+ful	fub	A
+ful	fuc	A
+ful	fue	A
+ful	fuf	A
+ful	fuh	A
+ful	fui	A
+ful	fuq	A
+ful	fuv	A
+gba	bdt	A
+gba	gbp	A
+gba	gbq	A
+gba	gmm	A
+gba	gso	A
+gba	gya	A
+gba	mdo	R
+gon	esg	A
+gon	ggo	R
+gon	gno	A
+gon	wsg	A
+grb	gbo	A
+grb	gec	A
+grb	grj	A
+grb	grv	A
+grb	gry	A
+grn	gnw	A
+grn	gug	A
+grn	gui	A
+grn	gun	A
+grn	nhd	A
+hai	hax	A
+hai	hdn	A
+hbs	bos	A
+hbs	cnr	A
+hbs	hrv	A
+hbs	srp	A
+hmn	blu	R
+hmn	cqd	A
+hmn	hea	A
+hmn	hma	A
+hmn	hmc	A
+hmn	hmd	A
+hmn	hme	A
+hmn	hmg	A
+hmn	hmh	A
+hmn	hmi	A
+hmn	hmj	A
+hmn	hml	A
+hmn	hmm	A
+hmn	hmp	A
+hmn	hmq	A
+hmn	hms	A
+hmn	hmw	A
+hmn	hmy	A
+hmn	hmz	A
+hmn	hnj	A
+hmn	hrm	A
+hmn	huj	A
+hmn	mmr	A
+hmn	muq	A
+hmn	mww	A
+hmn	sfm	A
+iku	ike	A
+iku	ikt	A
+ipk	esi	A
+ipk	esk	A
+jrb	ajt	R
+jrb	aju	A
+jrb	jye	A
+jrb	yhd	A
+jrb	yud	A
+kau	kby	A
+kau	knc	A
+kau	krt	A
+kln	enb	A
+kln	eyo	A
+kln	niq	A
+kln	oki	A
+kln	pko	A
+kln	sgc	A
+kln	spy	A
+kln	tec	A
+kln	tuy	A
+kok	gom	A
+kok	knn	A
+kom	koi	A
+kom	kpv	A
+kon	kng	A
+kon	kwy	A
+kon	ldi	A
+kpe	gkp	A
+kpe	xpe	A
+kur	ckb	A
+kur	kmr	A
+kur	sdh	A
+lah	hnd	A
+lah	hno	A
+lah	jat	A
+lah	phr	A
+lah	pmu	R
+lah	pnb	A
+lah	skr	A
+lah	xhe	A
+lav	ltg	A
+lav	lvs	A
+luy	bxk	A
+luy	ida	A
+luy	lkb	A
+luy	lko	A
+luy	lks	A
+luy	lri	A
+luy	lrm	A
+luy	lsm	A
+luy	lto	A
+luy	lts	A
+luy	lwg	A
+luy	nle	A
+luy	nyd	A
+luy	rag	A
+man	emk	A
+man	mku	A
+man	mlq	A
+man	mnk	A
+man	msc	A
+man	mwk	A
+man	myq	R
+mlg	bhr	A
+mlg	bjq	R
+mlg	bmm	A
+mlg	bzc	A
+mlg	msh	A
+mlg	plt	A
+mlg	skg	A
+mlg	tdx	A
+mlg	tkg	A
+mlg	txy	A
+mlg	xmv	A
+mlg	xmw	A
+mon	khk	A
+mon	mvf	A
+msa	bjn	A
+msa	btj	A
+msa	bve	A
+msa	bvu	A
+msa	coa	A
+msa	dup	A
+msa	hji	A
+msa	ind	A
+msa	jak	A
+msa	jax	A
+msa	kvb	A
+msa	kvr	A
+msa	kxd	A
+msa	lce	A
+msa	lcf	A
+msa	liw	A
+msa	max	A
+msa	meo	A
+msa	mfa	A
+msa	mfb	A
+msa	min	A
+msa	mly	R
+msa	mqg	A
+msa	msi	A
+msa	mui	A
+msa	orn	A
+msa	ors	A
+msa	pel	A
+msa	pse	A
+msa	tmw	A
+msa	urk	A
+msa	vkk	A
+msa	vkt	A
+msa	xmm	A
+msa	zlm	A
+msa	zmi	A
+msa	zsm	A
+mwr	dhd	A
+mwr	mtr	A
+mwr	mve	A
+mwr	rwr	A
+mwr	swv	A
+mwr	wry	A
+nep	dty	A
+nep	npi	A
+nor	nno	A
+nor	nob	A
+oji	ciw	A
+oji	ojb	A
+oji	ojc	A
+oji	ojg	A
+oji	ojs	A
+oji	ojw	A
+oji	otw	A
+ori	ory	A
+ori	spv	A
+orm	gax	A
+orm	gaz	A
+orm	hae	A
+orm	orc	A
+pus	pbt	A
+pus	pbu	A
+pus	pst	A
+que	cqu	R
+que	qub	A
+que	qud	A
+que	quf	A
+que	qug	A
+que	quh	A
+que	quk	A
+que	qul	A
+que	qup	A
+que	qur	A
+que	qus	A
+que	quw	A
+que	qux	A
+que	quy	A
+que	quz	A
+que	qva	A
+que	qvc	A
+que	qve	A
+que	qvh	A
+que	qvi	A
+que	qvj	A
+que	qvl	A
+que	qvm	A
+que	qvn	A
+que	qvo	A
+que	qvp	A
+que	qvs	A
+que	qvw	A
+que	qvz	A
+que	qwa	A
+que	qwc	A
+que	qwh	A
+que	qws	A
+que	qxa	A
+que	qxc	A
+que	qxh	A
+que	qxl	A
+que	qxn	A
+que	qxo	A
+que	qxp	A
+que	qxr	A
+que	qxt	A
+que	qxu	A
+que	qxw	A
+raj	bgq	A
+raj	gda	A
+raj	gju	A
+raj	hoj	A
+raj	mup	A
+raj	wbr	A
+rom	rmc	A
+rom	rmf	A
+rom	rml	A
+rom	rmn	A
+rom	rmo	A
+rom	rmw	A
+rom	rmy	A
+san	cls	A
+san	vsn	A
+sqi	aae	A
+sqi	aat	A
+sqi	aln	A
+sqi	als	A
+srd	sdc	A
+srd	sdn	A
+srd	src	A
+srd	sro	A
+swa	swc	A
+swa	swh	A
+syr	aii	A
+syr	cld	A
+tmh	taq	A
+tmh	thv	A
+tmh	thz	A
+tmh	ttq	A
+uzb	uzn	A
+uzb	uzs	A
+yid	ydd	A
+yid	yih	A
+zap	zaa	A
+zap	zab	A
+zap	zac	A
+zap	zad	A
+zap	zae	A
+zap	zaf	A
+zap	zai	A
+zap	zam	A
+zap	zao	A
+zap	zaq	A
+zap	zar	A
+zap	zas	A
+zap	zat	A
+zap	zav	A
+zap	zaw	A
+zap	zax	A
+zap	zca	A
+zap	zcd	A
+zap	zoo	A
+zap	zpa	A
+zap	zpb	A
+zap	zpc	A
+zap	zpd	A
+zap	zpe	A
+zap	zpf	A
+zap	zpg	A
+zap	zph	A
+zap	zpi	A
+zap	zpj	A
+zap	zpk	A
+zap	zpl	A
+zap	zpm	A
+zap	zpn	A
+zap	zpo	A
+zap	zpp	A
+zap	zpq	A
+zap	zpr	A
+zap	zps	A
+zap	zpt	A
+zap	zpu	A
+zap	zpv	A
+zap	zpw	A
+zap	zpx	A
+zap	zpy	A
+zap	zpz	A
+zap	zsr	A
+zap	ztc	R
+zap	zte	A
+zap	ztg	A
+zap	ztl	A
+zap	ztm	A
+zap	ztn	A
+zap	ztp	A
+zap	ztq	A
+zap	zts	A
+zap	ztt	A
+zap	ztu	A
+zap	ztx	A
+zap	zty	A
+zha	ccx	R
+zha	ccy	R
+zha	zch	A
+zha	zeh	A
+zha	zgb	A
+zha	zgm	A
+zha	zgn	A
+zha	zhd	A
+zha	zhn	A
+zha	zlj	A
+zha	zln	A
+zha	zlq	A
+zha	zqe	A
+zha	zyb	A
+zha	zyg	A
+zha	zyj	A
+zha	zyn	A
+zha	zzj	A
+zho	cdo	A
+zho	cjy	A
+zho	cmn	A
+zho	cnp	A
+zho	cpx	A
+zho	csp	A
+zho	czh	A
+zho	czo	A
+zho	gan	A
+zho	hak	A
+zho	hnm	A
+zho	hsn	A
+zho	luh	A
+zho	lzh	A
+zho	mnp	A
+zho	nan	A
+zho	sjc	A
+zho	wuu	A
+zho	yue	A
+zza	diq	A
+zza	kiu	A

backend_service/venv/lib/python3.13/site-packages/iso639/_data/iso-639-3_Retirements.tab

@@ -0,0 +1,387 @@
+Id	Ref_Name	Ret_Reason	Change_To	Ret_Remedy	Effective
+fri	Western Frisian	C	fry		2005-11-16
+auv	Auvergnat	M	oci		2007-03-14
+gsc	Gascon	M	oci		2007-03-14
+lms	Limousin	M	oci		2007-03-14
+lnc	Languedocien	M	oci		2007-03-14
+prv	Provençal	M	oci		2007-03-14
+amd	Amapá Creole	N			2007-07-18
+bgh	Bogan	D	bbh		2007-07-18
+bnh	Banawá	M	jaa		2007-07-18
+bvs	Belgian Sign Language	S		Split into Langue des signes de Belgique Francophone [sfb], and Vlaamse Gebarentaal [vgt]	2007-07-18
+ccy	Southern Zhuang	S		Split into five languages: Nong Zhuang [zhn];  Yang Zhuang [zyg]; Yongnan Zhuang [zyn]; Zuojiang Zhuang [zzj]; Dai Zhuang [zhd].	2007-07-18
+cit	Chittagonian	S		Split into Rohingya [rhg], and Chittagonian (new identifier [ctg])	2007-07-18
+flm	Falam Chin	S		Split into Ranglong [rnl], and Falam Chin (new identifier [cfm]).	2007-07-18
+jap	Jaruára	M	jaa		2007-07-18
+kob	Kohoroxitari	M	xsu		2007-07-18
+mob	Moinba	S		Split into five languages: Chug [cvg]; Lish [lsh];  Kalaktang Monpa [kkf]; Tawang Monpa [twm]; Sartang [onp]	2007-07-18
+mzf	Aiku	S		Split into four languages: Ambrak [aag]; Yangum Dey [yde]; Yangum Gel [ygl]; Yangum Mon [ymo]	2007-07-18
+nhj	Tlalitzlipa Nahuatl	M	nhi		2007-07-18
+nhs	Southeastern Puebla Nahuatl	S		Split into Sierra Negra Nahuatl [nsu] and Southeastern Puebla Nahuatl [npl]	2007-07-18
+tmx	Tomyang	M	ybi		2007-07-18
+tot	Patla-Chicontla Totonac	S		Split into Upper Necaxa Totonac [tku] and Tecpatlán Totonac [tcw]	2007-07-18
+xmi	Miarrã	N			2007-07-18
+yib	Yinglish	M	eng		2007-07-18
+ztc	Lachirioag Zapotec	M	zty		2007-07-18
+atf	Atuence	N			2007-08-10
+bqe	Navarro-Labourdin Basque	M	eus		2007-08-10
+bsz	Souletin Basque	M	eus		2007-08-10
+occ	Occidental	D	ile		2007-12-07
+aex	Amerax	M	eng		2008-01-14
+ahe	Ahe	M	knx		2008-01-14
+aiz	Aari	S		Split into Aari [aiw] (new identifier) and Gayil [gyl]	2008-01-14
+akn	Amikoana	N			2008-01-14
+arf	Arafundi	S		Split into three languages: Andai [afd]; Nanubae [afk]; Tapei [afp]	2008-01-14
+azr	Adzera	S		Split into three languages: Adzera [adz] (new identifier), Sukurum [zsu] and Sarasira [zsa]	2008-01-14
+bcx	Pamona	S		Split into Pamona [pmf] (new identifier) and Batui [zbt]	2008-01-14
+bii	Bisu	S		Split into Bisu [bzi] (new identifier) and Laomian [lwm]	2008-01-14
+bke	Bengkulu	M	pse		2008-01-14
+blu	Hmong Njua	S		Split into four languages: Hmong Njua [hnj] (new identifier); Chuanqiandian Cluster Miao [cqd]; Horned Miao [hrm]; Small Flowery Miao [sfm]	2008-01-14
+boc	Bakung Kenyah	M	xkl		2008-01-14
+bsd	Sarawak Bisaya	M	bsb		2008-01-14
+bwv	Bahau River Kenyah	N			2008-01-14
+bxt	Buxinhua	D	bgk		2008-01-14
+byu	Buyang	S		Split into three languages: E'ma Buyang [yzg]; Langnian Buyang [yln]; Baha Buyang [yha]	2008-01-14
+ccx	Northern Zhuang	S		Split into ten languages: Guibian Zh [zgn]; Liujiang Zh [zlj]; Qiubei Zh [zqe]; Guibei Zh [zgb]; Youjiang Zh [zyj]; Central Hongshuihe Zh [zch]; Eastern Hongshuihe Zh [zeh]; Liuqian Zh [zlq]; Yongbei Zh [zyb]; Lianshan Zh [zln].	2008-01-14
+cru	Carútana	M	bwi		2008-01-14
+dat	Darang Deng	D	mhu		2008-01-14
+dyk	Land Dayak	N			2008-01-14
+eni	Enim	M	pse		2008-01-14
+fiz	Izere	S		Split into Ganang [gne] and Izere [izr] (new identifier)	2008-01-14
+gen	Geman Deng	D	mxj		2008-01-14
+ggh	Garreh-Ajuran	N			2008-01-14
+itu	Itutang	M	mzu		2008-01-14
+kds	Lahu Shi	S		Split into Kucong [lkc] and Lahu Shi [lhi] (new identifier)	2008-01-14
+knh	Kayan River Kenyah	N			2008-01-14
+krg	North Korowai	M	khe		2008-01-14
+krq	Krui	M	ljp		2008-01-14
+kxg	Katingan	M	nij		2008-01-14
+lmt	Lematang	M	mui		2008-01-14
+lnt	Lintang	M	pse		2008-01-14
+lod	Berawan	S		Split into three languages: West Berawan [zbw], Central Berawan [zbc], and East Berawan [zbe]	2008-01-14
+mbg	Northern Nambikuára	S		Split into six languages: Alapmunte [apv]; Lakondê [lkd]; Latundê [ltn]; Mamaindé [wmd]; Tawandê [xtw]; Yalakalore [xyl]	2008-01-14
+mdo	Southwest Gbaya	S		Split into Southwest Gbaya [gso] (new identifier) and Gbaya-Mbodomo [gmm]	2008-01-14
+mhv	Arakanese	S		Split into Marma [rmz] and Rakhine [rki]	2008-01-14
+miv	Mimi	M	amj		2008-01-14
+mqd	Madang	M	xkl		2008-01-14
+nky	Khiamniungan Naga	S		Split into three languages: Khiamniungan Naga [kix] (new identifier); Para Naga [pzn]; Makuri Naga [jmn]	2008-01-14
+nxj	Nyadu	M	byd		2008-01-14
+ogn	Ogan	M	pse		2008-01-14
+ork	Orokaiva	S		Split into Orokaiva [okv] (new identifier), Aeka [aez] and Hunjara-Kaina Ke [hkk]	2008-01-14
+paj	Ipeka-Tapuia	M	kpc		2008-01-14
+pec	Southern Pesisir	M	ljp		2008-01-14
+pen	Penesak	M	mui		2008-01-14
+plm	Palembang	M	mui		2008-01-14
+poj	Lower Pokomo	M	pkb		2008-01-14
+pun	Pubian	M	ljp		2008-01-14
+rae	Ranau	M	ljp		2008-01-14
+rjb	Rajbanshi	S		Split into Kamta (India) / Rangpuri (Bangladesh) [rkt] and Rajbanshi (Nepal) [rjs]	2008-01-14
+rws	Rawas	M	mui		2008-01-14
+sdd	Semendo	M	pse		2008-01-14
+sdi	Sindang Kelingi	M	liw		2008-01-14
+skl	Selako	M	knx		2008-01-14
+slb	Kahumamahon Saluan	M	loe		2008-01-14
+srj	Serawai	M	pse		2008-01-14
+suf	Tarpia	S		Split into Tarpia [tpf] (new identifier) and Kaptiau [kbi]	2008-01-14
+suh	Suba	S		Split into Suba [sxb] (Kenya) and Suba-Simbita [ssc] (Tanzania)	2008-01-14
+suu	Sungkai	M	ljp		2008-01-14
+szk	Sizaki	M	ikz		2008-01-14
+tle	Southern Marakwet	D	enb		2008-01-14
+tnj	Tanjong	M	kxn		2008-01-14
+ttx	Tutong 1	M	bsb		2008-01-14
+ubm	Upper Baram Kenyah	N			2008-01-14
+vky	Kayu Agung	M	kge		2008-01-14
+vmo	Muko-Muko	M	min		2008-01-14
+wre	Ware	N			2008-01-14
+xah	Kahayan	M	nij		2008-01-14
+xkm	Mahakam Kenyah	N			2008-01-14
+xuf	Kunfal	M	awn		2008-01-14
+yio	Dayao Yi	M	lpo		2008-01-14
+ymj	Muji Yi	S		Split into five languages: Muji, Southern [ymc], Mojii [ymi], Qila Muji [ymq], Northern Muji [ymx], and Muzi [ymz]	2008-01-14
+ypl	Pula Yi	S		Split into three languages: Phola [ypg], Phala [ypa] and Alo Phola [ypo]	2008-01-14
+ypw	Puwa Yi	S		Split into three languages: Hlepho Phowa [yhl], Labo Phowa [ypb], and Ani Phowa [ypn]	2008-01-14
+ywm	Wumeng Yi	M	ywu		2008-01-14
+yym	Yuanjiang-Mojiang Yi	S		Split into Southern Nisu [nsd] and Southwestern Nisu [nsv]	2008-01-14
+mly	Malay (individual language)	S		Split into four languages: Standard Malay [zsm], Haji [hji], Papuan Malay [pmy] and Malay (individual language) [zlm]	2008-02-18
+muw	Mundari	S		Split into Munda [unx] and Mundari [unr] (new identifier)	2008-02-18
+xst	Silt'e	S		Split into Wolane [wle] and Silt'e [stv] (new identifier)	2008-02-28
+ope	Old Persian	D	peo		2008-04-18
+scc	Serbian	D	srp		2008-06-28
+scr	Croatian	D	hrv		2008-06-28
+xsk	Sakan	D	kho		2008-10-23
+mol	Moldavian	M	ron		2008-11-03
+aay	Aariya	N			2009-01-16
+acc	Cubulco Achí	M	acr		2009-01-16
+cbm	Yepocapa Southwestern Cakchiquel	M	cak		2009-01-16
+chs	Chumash	N			2009-01-16
+ckc	Northern Cakchiquel	M	cak		2009-01-16
+ckd	South Central Cakchiquel	M	cak		2009-01-16
+cke	Eastern Cakchiquel	M	cak		2009-01-16
+ckf	Southern Cakchiquel	M	cak		2009-01-16
+cki	Santa María De Jesús Cakchiquel	M	cak		2009-01-16
+ckj	Santo Domingo Xenacoj Cakchiquel	M	cak		2009-01-16
+ckk	Acatenango Southwestern Cakchiquel	M	cak		2009-01-16
+ckw	Western Cakchiquel	M	cak		2009-01-16
+cnm	Ixtatán Chuj	M	cac		2009-01-16
+cti	Tila Chol	M	ctu		2009-01-16
+cun	Cunén Quiché	M	quc		2009-01-16
+eml	Emiliano-Romagnolo	S		Split into Emilian [egl] and Romagnol [rgn]	2009-01-16
+eur	Europanto	N			2009-01-16
+gmo	Gamo-Gofa-Dawro	S		Split into three languages: Gamo [gmv], Gofa [gof], and Dawro [dwr]	2009-01-16
+hsf	Southeastern Huastec	M	hus		2009-01-16
+hva	San Luís Potosí Huastec	M	hus		2009-01-16
+ixi	Nebaj Ixil	M	ixl		2009-01-16
+ixj	Chajul Ixil	M	ixl		2009-01-16
+jai	Western Jacalteco	M	jac		2009-01-16
+mms	Southern Mam	M	mam		2009-01-16
+mpf	Tajumulco Mam	M	mam		2009-01-16
+mtz	Tacanec	M	mam		2009-01-16
+mvc	Central Mam	M	mam		2009-01-16
+mvj	Todos Santos Cuchumatán Mam	M	mam		2009-01-16
+poa	Eastern Pokomam	M	poc		2009-01-16
+pob	Western Pokomchí	M	poh		2009-01-16
+pou	Southern Pokomam	M	poc		2009-01-16
+ppv	Papavô	N			2009-01-16
+quj	Joyabaj Quiché	M	quc		2009-01-16
+qut	West Central Quiché	M	quc		2009-01-16
+quu	Eastern Quiché	M	quc		2009-01-16
+qxi	San Andrés Quiché	M	quc		2009-01-16
+sic	Malinguat	S		Split into Keak [keh] and Sos Kundi [sdk]	2009-01-16
+stc	Santa Cruz	S		Split into Natügu [ntu] and Nalögo [nlz]	2009-01-16
+tlz	Toala'	M	rob		2009-01-16
+tzb	Bachajón Tzeltal	M	tzh		2009-01-16
+tzc	Chamula Tzotzil	M	tzo		2009-01-16
+tze	Chenalhó Tzotzil	M	tzo		2009-01-16
+tzs	San Andrés Larrainzar Tzotzil	M	tzo		2009-01-16
+tzt	Western Tzutujil	M	tzj		2009-01-16
+tzu	Huixtán Tzotzil	M	tzo		2009-01-16
+tzz	Zinacantán Tzotzil	M	tzo		2009-01-16
+vlr	Vatrata	S		Split into Vera'a [vra] and Lemerig [lrz]	2009-01-16
+yus	Chan Santa Cruz Maya	M	yua		2009-01-16
+nfg	Nyeng	M	nfd		2009-01-26
+nfk	Shakara	M	nfd		2009-01-26
+agp	Paranan	S		Split into Pahanan Agta [apf] and Paranan [prf] (new identifier)	2010-01-18
+bhk	Albay Bicolano	S		Split into Buhi'non Bikol [ubl]; Libon Bikol [lbl]; Miraya Bikol [rbl]; West Albay Bikol [fbl]	2010-01-18
+bkb	Finallig	S		Split into Eastern Bontok [ebk] and Southern Bontok [obk]	2010-01-18
+btb	Beti (Cameroon)	D	beb		2010-01-18
+cjr	Chorotega	M	mom		2010-01-18
+cmk	Chimakum	D	xch		2010-01-18
+drh	Darkhat	M	khk		2010-01-18
+drw	Darwazi	M	prs		2010-01-18
+gav	Gabutamon	M	dev		2010-01-18
+mof	Mohegan-Montauk-Narragansett	S		Split into Mohegan-Pequot [xpq] and Narragansett [xnt]	2010-01-18
+mst	Cataelano Mandaya	M	mry		2010-01-18
+myt	Sangab Mandaya	M	mry		2010-01-18
+rmr	Caló	S		Split into Caló [rmq] and Erromintxela [emx]	2010-01-18
+sgl	Sanglechi-Ishkashimi	S		Split into Sanglechi [sgy] and Ishkashimi [isk]	2010-01-18
+sul	Surigaonon	S		Split into Tandaganon [tgn] and Surigaonon [sgd] (new identifier)	2010-01-18
+sum	Sumo-Mayangna	S		Split into Mayangna [yan] and Ulwa [ulw]	2010-01-18
+tnf	Tangshewi	M	prs		2010-01-18
+wgw	Wagawaga	S		Split into Yaleba [ylb] and Wagawaga [wgb] (new identifier)	2010-01-18
+ayx	Ayi (China)	D	nun		2011-05-18
+bjq	Southern Betsimisaraka Malagasy	S		Split into Southern Betsimisaraka [bzc] and Tesaka Malagasy [tkg]	2011-05-18
+dha	Dhanwar (India)	N			2011-05-18
+dkl	Kolum So Dogon	S		Split into Ampari Dogon [aqd] and Mombo Dogon [dmb]	2011-05-18
+mja	Mahei	N			2011-05-18
+nbf	Naxi	S		Split into Naxi [nxq] and Narua [nru]	2011-05-18
+noo	Nootka	S		Split into [dtd] Ditidaht and [nuk] Nuu-chah-nulth	2011-05-18
+tie	Tingal	M	ras		2011-05-18
+tkk	Takpa	D	twm		2011-05-18
+baz	Tunen	S		Split into Tunen [tvu] and Nyokon [nvo]	2012-02-03
+bjd	Bandjigali	M	drl		2012-02-03
+ccq	Chaungtha	M	rki		2012-02-03
+cka	Khumi Awa Chin	M	cmr		2012-02-03
+dap	Nisi (India)	S		Split into Nyishi [njz] and Tagin [tgj]	2012-02-03
+dwl	Walo Kumbe Dogon	S		Split into Dogon, Bankan Tey (Walo) [dbw]  and Dogon, Ben Tey (Beni) [dbt]	2012-02-03
+elp	Elpaputih	N			2012-02-03
+gbc	Garawa	S		Split into Garrwa [wrk] and Wanyi [wny]	2012-02-03
+gio	Gelao	S		Split into Qau [gqu] and A'ou [aou]	2012-02-03
+hrr	Horuru	M	jal		2012-02-03
+ibi	Ibilo	M	opa		2012-02-03
+jar	Jarawa (Nigeria)	S		Split into Gwak [jgk] and Bankal [jjr]	2012-02-03
+kdv	Kado	S		Split into Kadu [zkd] and Kanan [zkn]	2012-02-03
+kgh	Upper Tanudan Kalinga	M	kml		2012-02-03
+kpp	Paku Karen	S		Split into Paku Karen [jkp] and Mobwa Karen [jkm]	2012-02-03
+kzh	Kenuzi-Dongola	S		Split into Andaandi (Dongolawi) [dgl] and Kenzi (Mattoki) [xnz]	2012-02-03
+mgx	Omati	S		Split into Barikewa [jbk] and Mouwase [jmw]	2012-02-03
+nln	Durango Nahuatl	S		Split into Eastern Durango Nahuatl [azd] and Western Durango Nahuatl [azn]	2012-02-03
+pbz	Palu	N			2012-02-03
+pgy	Pongyong	N			2012-02-03
+sca	Sansu	M	hle		2012-02-03
+tlw	South Wemale	M	weo		2012-02-03
+unp	Worora	S		Split into Worrorra [wro] and Unggumi [xgu].	2012-02-03
+wiw	Wirangu	S		Split into Wirangu [wgu] and Nauo [nwo]	2012-02-03
+ybd	Yangbye	M	rki		2012-02-03
+yen	Yendang	S		Split into Yendang [ynq] and Yotti [yot]	2012-02-03
+yma	Yamphe	M	lrr		2012-02-03
+daf	Dan	S		Split into Dan [dnj] and Kla-Dan [lda]	2013-01-23
+djl	Djiwarli	S		Split into Djiwarli [dze] and Thiin [iin]	2013-01-23
+ggr	Aghu Tharnggalu	S		Split into Aghu-Tharnggala [gtu], Gugu-Mini [ggm], and Ikarranggal [ikr]	2013-01-23
+ilw	Talur	M	gal		2013-01-23
+izi	Izi-Ezaa-Ikwo-Mgbo	S		Split into Izii [izz], Ezaa [eza], Ikwo [iqw], Mgbolizhia [gmz]	2013-01-23
+meg	Mea	M	cir		2013-01-23
+mld	Malakhel	N			2013-01-23
+mnt	Maykulan	S		Split into Mayi-Kulan [xyk], Mayi-Thakurti [xyt], Mayi-Yapi [xyj], and Wunumara [wnn]	2013-01-23
+mwd	Mudbura	S		Split into Karranga [xrq] and Mudburra [dmw]	2013-01-23
+myq	Forest Maninka	N			2013-01-23
+nbx	Ngura	S		Split into Eastern Karnic [ekc], Garlali [gll], Punthamara [xpt], Wangkumara [xwk], and Badjiri [jbi]	2013-01-23
+nlr	Ngarla	S		Split into Ngarla [nrk] and Yinhawangka [ywg]	2013-01-23
+pcr	Panang	M	adx		2013-01-23
+ppr	Piru	M	lcq		2013-01-23
+tgg	Tangga	S		Split into Fanamaket [bjp], Niwer Mil [hrc], and Warwar Feni [hrw]	2013-01-23
+wit	Wintu	S		Split into Wintu [wnw], Nomlaki [nol], and Patwin [pwi]	2013-01-23
+xia	Xiandao	M	acn		2013-01-23
+yiy	Yir Yoront	S		Split into Yir Yoront [yyr] and Yirrk-Mel [yrm]	2013-01-23
+yos	Yos	M	zom		2013-01-23
+emo	Emok	N			2014-02-03
+ggm	Gugu Mini	N			2014-02-03
+leg	Lengua	S		Split into Enlhet [enl] and Enxet [enx]	2014-02-03
+lmm	Lamam	D	rmx		2014-02-03
+mhh	Maskoy Pidgin	N			2014-02-03
+puz	Purum Naga	M	pub		2014-02-03
+sap	Sanapaná	S		Split into Sanapaná [spn] and Angaité [aqt]	2014-02-03
+yuu	Yugh	D	yug		2014-02-03
+aam	Aramanik	M	aas		2015-01-12
+adp	Adap	M	dzo		2015-01-12
+aue	ǂKxʼauǁʼein	D	ktz		2015-01-12
+bmy	Bemba (Democratic Republic of Congo)	N			2015-01-12
+bxx	Borna (Democratic Republic of Congo)	N			2015-01-12
+byy	Buya	N			2015-01-12
+gfx	Mangetti Dune ǃXung	M	vaj		2015-01-12
+gti	Gbati-ri	M	nyc		2015-01-12
+ime	Imeraguen	N			2015-01-12
+kbf	Kakauhua	N			2015-01-12
+koj	Sara Dunjo	M	kwv		2015-01-12
+kwq	Kwak	M	yam		2015-01-12
+kxe	Kakihum	M	tvd		2015-01-12
+lii	Lingkhim	M	raq		2015-01-12
+mwj	Maligo	M	vaj		2015-01-12
+nnx	Ngong	M	ngv		2015-01-12
+oun	ǃOǃung	M	vaj		2015-01-12
+pmu	Mirpur Panjabi	M	phr		2015-01-12
+sgo	Songa	N			2015-01-12
+thx	The	D	oyb		2015-01-12
+tsf	Southwestern Tamang	M	taj		2015-01-12
+uok	Uokha	M	ema		2015-01-12
+yds	Yiddish Sign Language	N			2015-01-12
+ymt	Mator-Taygi-Karagas	D	mtm		2015-01-12
+ynh	Yangho	N			2015-01-12
+bgm	Baga Mboteni	D	bcg		2016-01-15
+btl	Bhatola	N			2016-01-15
+cbe	Chipiajes	N			2016-01-15
+cbh	Cagua	N			2016-01-15
+coy	Coyaima	M	pij		2016-01-15
+cqu	Chilean Quechua	M	quh		2016-01-15
+cum	Cumeral	N			2016-01-15
+duj	Dhuwal	S		Split into [dwu] Dhuwal and [dwy] Dhuwaya	2016-01-15
+ggn	Eastern Gurung	M	gvr		2016-01-15
+ggo	Southern Gondi	S		Split into [esg] Aheri Gondi and [wsg] Adilabad Gondi	2016-01-15
+guv	Gey	M	duz		2016-01-15
+iap	Iapama	N			2016-01-15
+ill	Iranun	S		Split into Iranun (Philippines) [ilp] and Iranun (Malaysia) [ilm]	2016-01-15
+kgc	Kasseng	D	tdf		2016-01-15
+kox	Coxima	N			2016-01-15
+ktr	Kota Marudu Tinagas	M	dtp		2016-01-15
+kvs	Kunggara	D	gdj		2016-01-15
+kzj	Coastal Kadazan	M	dtp		2016-01-15
+kzt	Tambunan Dusun	M	dtp		2016-01-15
+nad	Nijadali	D	xny		2016-01-15
+nts	Natagaimas	M	pij		2016-01-15
+ome	Omejes	N			2016-01-15
+pmc	Palumata	D	huw		2016-01-15
+pod	Ponares	N			2016-01-15
+ppa	Pao	M	bfy		2016-01-15
+pry	Pray 3	D	prt		2016-01-15
+rna	Runa	N			2016-01-15
+svr	Savara	N			2016-01-15
+tdu	Tempasuk Dusun	M	dtp		2016-01-15
+thc	Tai Hang Tong	M	tpo		2016-01-15
+tid	Tidong	S		Split into Northern Tidung [ntd] and Southern Tidung [itd]	2016-01-15
+tmp	Tai Mène	M	tyj		2016-01-15
+tne	Tinoc Kallahan	M	kak		2016-01-15
+toe	Tomedes	N			2016-01-15
+xba	Kamba (Brazil)	D	cax		2016-01-15
+xbx	Kabixí	N			2016-01-15
+xip	Xipináwa	N			2016-01-15
+xkh	Karahawyana	D	waw		2016-01-15
+yri	Yarí	N			2016-01-15
+jeg	Jeng	M	oyb		2017-01-31
+kgd	Kataang	S		Split into [ncq] Northern Katang and [sct] Southern Katang	2017-01-31
+krm	Krim	M	bmf		2017-01-31
+prb	Lua'	N			2017-01-31
+puk	Pu Ko	N			2017-01-31
+rie	Rien	N			2017-01-31
+rsi	Rennellese Sign Language	N			2017-01-31
+skk	Sok	M	oyb		2017-01-31
+snh	Shinabo	N			2017-01-31
+lsg	Lyons Sign Language	N			2018-01-23
+mwx	Mediak	N			2018-01-23
+mwy	Mosiro	N			2018-01-23
+ncp	Ndaktup	M	kdz		2018-01-23
+ais	Nataoran Amis	S		Split into Amis [ami] and Sakizaya [szy]	2019-01-25
+asd	Asas	M	snz		2019-01-25
+dit	Dirari	M	dif		2019-01-25
+dud	Hun-Saare	S		Split into ut-Hun [uth] and us-Saare [uss]	2019-01-25
+lba	Lui	N			2019-01-25
+llo	Khlor	D	ngt		2019-01-25
+myd	Maramba	M	aog		2019-01-25
+myi	Mina (India)	N			2019-01-25
+nns	Ningye	M	nbr		2019-01-25
+aoh	Arma	N			2020-01-23
+ayy	Tayabas Ayta	N			2020-01-23
+bbz	Babalia Creole Arabic	N			2020-01-23
+bpb	Barbacoas	N			2020-01-23
+cca	Cauca	N			2020-01-23
+cdg	Chamari	N			2020-01-23
+dgu	Degaru	N			2020-01-23
+drr	Dororo	M	kzk		2020-01-23
+ekc	Eastern Karnic	N			2020-01-23
+gli	Guliguli	M	kzk		2020-01-23
+kjf	Khalaj	N			2020-01-23
+kxl	Nepali Kurux	M	kru		2020-01-23
+kxu	Kui (India)	S		Split into [dwk] Dawik Kui and [uki] Kui (India)	2020-01-23
+lmz	Lumbee	N			2020-01-23
+nxu	Narau	M	bpp		2020-01-23
+plp	Palpa	N			2020-01-23
+sdm	Semandang	S		Split into Semandang [sdq], Beginci [ebc] and Gerai [gef]	2020-01-23
+tbb	Tapeba	N			2020-01-23
+xrq	Karranga	M	dmw		2020-01-23
+xtz	Tasmanian	S		Split into [xpv] Northern Tasman,  [xph] North Midlands Tasman, [xpb] Northeastern Tasman, [xpd] Oyster Bay Tasman, [xpf] Southeast Tasman, [xpx] Southwestern Tasman, [xpw] Northwestern Tasman, [xpl] Port Sorell Tasman, and [xpz] Bruny Island Tasman	2020-01-23
+zir	Ziriya	D	scv		2020-01-23
+thw	Thudam	M	ola		2020-03-19
+bic	Bikaru	M	bir		2021-01-15
+bij	Vaghat-Ya-Bijim-Legeri	S		Split into Tiyaa [tyy], Bijim [jbm] and Kadung [dkg].	2021-01-15
+blg	Balau	M	iba		2021-01-15
+gji	Geji	S		Split into Gyaazi [gyz], and Bu (Bauchi State) [zbu]	2021-01-15
+mvm	Muya	S		Split into Eastern Minyag [emq] and Western Minyag [wmg]	2021-01-15
+ngo	Ngoni	S		Split into Ngoni (Tanzania) [xnj] and Ngoni (Mozambique) [xnq]	2021-01-15
+pat	Papitalai	M	kxr		2021-01-15
+vki	Ija-Zuba	S		Split into Koro Nulu [vkn] and Koro Zuba [vkz]	2021-01-15
+wra	Warapu	S		Split into Bauni [bpe], Uni [uni] and Bouni [suo]	2021-01-15
+ajt	Judeo-Tunisian Arabic	M	aeb		2022-01-20
+cug	Chungmboko	S		Split into Chung [cnq] and Mbuk [bpc]	2022-01-20
+lak	Laka (Nigeria)	M	ksp		2022-01-20
+lno	Lango (South Sudan)	S		Split into Lango [lgo], Imotong [imt], Logir [lqr] and Okolie [oie]	2022-01-20
+pii	Pini	N			2022-01-20
+smd	Sama	M	kmb		2022-01-20
+snb	Sebuyau	M	iba		2022-01-20
+uun	Kulon-Pazeh	S		Split into Kulon [uon] and Pazeh [pzh]	2022-01-20
+wrd	Warduji	N			2022-01-20
+wya	Wyandot	S		Split into Wyandot [wyn] and Wendat [wdt]	2022-01-20
+ajp	South Levantine Arabic	M	apc		2023-01-20
+kgm	Karipúna	D	plu		2023-01-20
+ksa	Shuwa-Zamani	S		Split into [rsw] Rishiwa and [izm] Kizamani	2023-01-20
+nom	Nocamán	M	cbr		2023-01-20
+plj	Polci	S		Split into Pesse [pze], Nyamzak-Dir-Mbarimi [nzr], Zul [zlu], and Buli [uly]	2023-01-20
+pmk	Pamlico	M	crr		2023-01-20
+prp	Parsi	M	guj		2023-01-20
+slq	Salchuq	N			2023-01-20
+szd	Seru	M	umi		2023-01-20
+tmk	Northwestern Tamang	M	tdg		2023-01-20
+tpw	Tupí	D	tpn		2023-01-20
+xss	Assan	M	zko		2023-01-20
+zkb	Koibal	D	kjh		2023-01-20
+zua	Zeem	S		Split into [tvi] Tulai, [dyr] Dyarim, [dsk] Dokshi, [cxh] Cha'ari, and [zem] Zeem	2023-01-20
+dek	Dek	D	sqm		2024-10-15
+nte	Nathembo	M	eko		2024-10-15
+yol	Yola	M	enm		2025-10-15

backend_service/venv/lib/python3.13/site-packages/iso639/language.py

@@ -0,0 +1,382 @@
+"""The Language class."""
+
+from __future__ import annotations
+
+import datetime
+from dataclasses import dataclass
+
+from typing import NoReturn
+
+from ._data import (
+    _PART3_TO_CODES,
+    _PART3_TO_NAME_INDEX,
+    _PART3_TO_MACROLANGUAGES,
+    _PART3_TO_RETIREMENTS,
+    _PART2B_TO_PART3,
+    _PART2T_TO_PART3,
+    _PART1_TO_PART3,
+    _REF_NAME_TO_PART3,
+    _PRINT_NAME_TO_PART3,
+    _INVERTED_NAME_TO_PART3,
+    _CodesColumn,
+    _NameIndexColumn,
+    _RetirementsColumn,
+    _MacrolanguagesColumn,
+    _COLUMN_TYPE,
+)
+
+
+_STRING_CLEANING_FUNCS = [lambda x: x.lower(), lambda x: x.title()]
+
+
+class LanguageNotFoundError(Exception):
+    pass
+
+
+@dataclass(frozen=True)
+class Name:
+    """Represents an alternative name of a language."""
+
+    __slots__ = ("print", "inverted")
+    print: str
+    inverted: str
+
+
+@dataclass(frozen=True)
+class Language:
+    """Represents a language in the ISO 639-3 charts."""
+
+    __slots__ = (
+        # From the "codes" table
+        "part3",
+        "part2b",
+        "part2t",
+        "part1",
+        "scope",
+        "type",
+        "status",
+        "name",
+        "comment",
+        # From the "name_index" table
+        "other_names",
+        # From the "macrolanguages" table
+        "macrolanguage",
+        # From the "retirements" table
+        "retire_reason",
+        "retire_change_to",
+        "retire_remedy",
+        "retire_date",
+    )
+
+    # From the "codes" table
+    part3: str
+    part2b: str | None
+    part2t: str | None
+    part1: str | None
+    scope: str
+    type: str | None
+    status: str
+    name: str
+    comment: str | None
+
+    # From the "name_index" table
+    other_names: list[Name] | None
+
+    # From the "macrolanguages" table
+    macrolanguage: str | None
+
+    # From the "retirements" table
+    retire_reason: str | None
+    retire_change_to: str | None
+    retire_remedy: str | None
+    retire_date: datetime.date | None
+
+    def __hash__(self) -> int:
+        return hash(self.part3)
+
+    def __eq__(self, other) -> bool:
+        return isinstance(other, Language) and self.part3 == other.part3
+
+    @classmethod
+    def match(cls, user_input: str, /, *, strict_case: bool = True) -> Language:
+        """Return a ``Language`` instance by matching on the user input.
+
+        Parameters
+        ----------
+        user_input : str
+            A language code or name.
+        strict_case : bool, optional
+            Defaults to ``True``, for enforcing strict case sensitivity.
+            If ``False`` and if ``user_input`` doesn't find a match,
+            further match attempts will be made with the all-lowercase version of
+            ``user_input`` (``"foobar"``) and the title-case version of ``user_input``
+            (``"Foobar"``).
+
+        Returns
+        -------
+        Language
+
+        Notes
+        -----
+        At a high level, `Language.match` assumes the input is more likely to be
+        a language code rather than a language name.
+        Beyond that, the precise order in matching is as follows:
+
+        * ISO 639-3 codes (among the active codes)
+        * ISO 639-2 (bibliographic) codes
+        * ISO 639-2 (terminological) codes
+        * ISO 639-1 codes
+        * ISO 639-3 codes (among the retired codes)
+        * ISO 639-3 reference language names
+        * ISO 639-3 alternative language names (the "print" ones)
+        * ISO 639-3 alternative language names (the "inverted" ones)
+        """
+        # Order of columns to query the data tables.
+        # Bias towards (and therefore prioritize) the user input being
+        # a language code rather than a language name.
+        query_order: list[_COLUMN_TYPE] = [
+            _CodesColumn.ID,
+            _CodesColumn.PART2B,
+            _CodesColumn.PART2T,
+            _CodesColumn.PART1,
+            _RetirementsColumn.ID,
+            _CodesColumn.REF_NAME,
+            _NameIndexColumn.PRINT_NAME,
+            _NameIndexColumn.INVERTED_NAME,
+        ]
+        return _PART3_TO_LANGUAGES[_get_part3(user_input, query_order, strict_case)]
+
+    @classmethod
+    def from_part3(cls, user_input: str, /) -> Language:
+        """Return a ``Language`` instance from an ISO 639-3 code."""
+        return _PART3_TO_LANGUAGES[
+            _get_part3_exact(user_input, [_CodesColumn.ID, _RetirementsColumn.ID])
+        ]
+
+    @classmethod
+    def from_part2b(cls, user_input: str, /) -> Language:
+        """Return a ``Language`` instance from an ISO 639-2 (bibliographic) code."""
+        return _PART3_TO_LANGUAGES[_get_part3_exact(user_input, [_CodesColumn.PART2B])]
+
+    @classmethod
+    def from_part2t(cls, user_input: str, /) -> Language:
+        """Return a ``Language`` instance from an ISO 639-2 (terminological) code."""
+        return _PART3_TO_LANGUAGES[_get_part3_exact(user_input, [_CodesColumn.PART2T])]
+
+    @classmethod
+    def from_part1(cls, user_input: str, /) -> Language:
+        """Return a ``Language`` instance from an ISO 639-1 code."""
+        return _PART3_TO_LANGUAGES[_get_part3_exact(user_input, [_CodesColumn.PART1])]
+
+    @classmethod
+    def from_name(cls, user_input: str, /) -> Language:
+        """Return a ``Language`` instance from an ISO 639-3 reference language name."""
+        query_order: list[_COLUMN_TYPE] = [
+            _CodesColumn.REF_NAME,
+            _NameIndexColumn.PRINT_NAME,
+            _NameIndexColumn.INVERTED_NAME,
+        ]
+        return _PART3_TO_LANGUAGES[_get_part3_exact(user_input, query_order)]
+
+
+def _raise_language_not_found_error(user_input: str) -> NoReturn:
+    raise LanguageNotFoundError(f"{user_input!r} isn't an ISO language code or name")
+
+
+def _get_part3(
+    user_input: str, query_order: list[_COLUMN_TYPE], strict_case: bool = True
+) -> str:
+    """Get the part 3 code of a language.
+
+    Parameters
+    ----------
+    user_input : str
+        The user-provided language code or name.
+    query_order : List[_COLUMN_TYPE]
+        A list of columns to specify query order.
+    strict_case : bool, optional
+        Defaults to ``True``, for enforcing strict case sensitivity.
+        If ``False`` and if ``user_input`` doesn't find a match,
+        further match attempts will be made with the all-lowercase version of
+        ``user_input`` (``"foobar"``) and the title-case version of ``user_input``
+        (``"Foobar"``).
+
+    Returns
+    -------
+    str
+
+    Raises
+    ------
+    LanguageNotFoundError
+        If `part3` isn't a language name or code
+    """
+    try:
+        return _get_part3_exact(user_input, query_order)
+    except LanguageNotFoundError as e:
+        if strict_case:
+            raise e
+        else:
+            for func in _STRING_CLEANING_FUNCS:
+                try:
+                    return _get_part3_exact(func(user_input), query_order, user_input)
+                except LanguageNotFoundError:
+                    continue
+            else:
+                _raise_language_not_found_error(user_input)
+
+
+def _get_part3_exact(
+    user_input: str,
+    query_order: list[_COLUMN_TYPE],
+    original_user_input: str | None = None,
+) -> str:
+    """Get the part 3 code of a language.
+
+    Parameters
+    ----------
+    user_input : str
+        The user-provided language code or name.
+    query_order : list[_COLUMN_TYPE]
+        A list of columns to specify query order.
+    original_user_input : str, optional
+        The original user input. Default is `None`.
+        This argument is used when the user input has been cleaned.
+
+    Returns
+    -------
+    str
+
+    Raises
+    ------
+    LanguageNotFoundError
+        If `part3` isn't a language name or code
+    """
+    user_input = user_input.strip()
+    part3: str | None = None
+    for column in query_order:
+        if column == _CodesColumn.ID:
+            if user_input in _PART3_TO_CODES:
+                return user_input
+        elif column == _CodesColumn.PART2B:
+            part3 = _PART2B_TO_PART3.get(user_input)
+        elif column == _CodesColumn.PART2T:
+            part3 = _PART2T_TO_PART3.get(user_input)
+        elif column == _CodesColumn.PART1:
+            part3 = _PART1_TO_PART3.get(user_input)
+        elif column == _RetirementsColumn.ID:
+            if user_input in _PART3_TO_RETIREMENTS:
+                return user_input
+        elif column == _CodesColumn.REF_NAME:
+            part3 = _REF_NAME_TO_PART3.get(user_input)
+        elif column == _NameIndexColumn.PRINT_NAME:
+            part3 = _PRINT_NAME_TO_PART3.get(user_input)
+        elif column == _NameIndexColumn.INVERTED_NAME:
+            part3 = _INVERTED_NAME_TO_PART3.get(user_input)
+        else:
+            raise ValueError(f"Invalid column: {column}")
+        if part3 is not None:
+            break
+
+    if part3 is None:
+        _raise_language_not_found_error(original_user_input or user_input)
+
+    return part3
+
+
+def _get_language(part3: str) -> Language:
+    """Create a ``Language`` instance.
+
+    Parameters
+    ----------
+    part3 : str
+        Part 3 code of the language.
+
+    Returns
+    -------
+    Language
+    """
+    from_codes = _PART3_TO_CODES.get(part3)
+    from_macrolanguages = _PART3_TO_MACROLANGUAGES.get(part3)
+    from_retirements = _PART3_TO_RETIREMENTS.get(part3)
+
+    ref_name = (
+        from_codes[_CodesColumn.REF_NAME]
+        if from_codes
+        else from_retirements[_RetirementsColumn.REF_NAME]  # type: ignore
+    )
+
+    other_names: list[Name] | None = []
+    for row in _PART3_TO_NAME_INDEX.get(part3, []):
+        p, i = row[_NameIndexColumn.PRINT_NAME], row[_NameIndexColumn.INVERTED_NAME]
+        if not ref_name == p == i:
+            other_names.append(Name(p, i))  # type: ignore
+    other_names = other_names or None
+
+    macrolanguage = (from_macrolanguages or {}).get(_MacrolanguagesColumn.MID)
+    retire_reason = (from_retirements or {}).get(_RetirementsColumn.RET_REASON)
+    retire_change_to = (from_retirements or {}).get(_RetirementsColumn.CHANGE_TO)
+    retire_remedy = (from_retirements or {}).get(_RetirementsColumn.REMEDY)
+
+    retire_date = (
+        datetime.datetime.strptime(
+            from_retirements[_RetirementsColumn.EFFECTIVE], "%Y-%m-%d"
+        ).date()
+        if from_retirements
+        else None
+    )
+
+    if from_codes:
+        # The ISO 639-3 code is active.
+        part2b = from_codes[_CodesColumn.PART2B]
+        part2t = from_codes[_CodesColumn.PART2T]
+        part1 = from_codes[_CodesColumn.PART1]
+        scope = from_codes[_CodesColumn.SCOPE]
+        type = from_codes[_CodesColumn.TYPE]
+        status = "A"
+        ref_name = ref_name
+        comment = from_codes[_CodesColumn.COMMENT]
+
+    else:
+        # The ISO 639-3 code is retired.
+        part2b = None
+        part2t = None
+        part1 = None
+        scope = "I"
+        type = None
+        status = "R"
+        ref_name = ref_name
+        comment = None
+
+    language = Language(
+        part3=part3,
+        part2b=part2b or None,
+        part2t=part2t or None,
+        part1=part1 or None,
+        scope=scope,
+        type=type or None,
+        status=status,
+        name=ref_name,
+        comment=comment or None,
+        other_names=other_names or None,
+        macrolanguage=macrolanguage or None,
+        retire_reason=retire_reason or None,
+        retire_change_to=retire_change_to or None,
+        retire_remedy=retire_remedy or None,
+        retire_date=retire_date or None,
+    )
+
+    return language
+
+
+def _get_all_languages() -> dict[str, Language]:
+    languages = {}
+    for part3 in _PART3_TO_CODES:
+        languages[part3] = _get_language(part3)
+    for part3 in _PART3_TO_RETIREMENTS:
+        languages[part3] = _get_language(part3)
+    return languages
+
+
+_PART3_TO_LANGUAGES: dict[str, Language] = _get_all_languages()
+
+ALL_LANGUAGES: set[Language] = set(_PART3_TO_LANGUAGES.values())