wehub-resource-sync
84 lines
2.2 KiB
Python
84 lines
2.2 KiB
Python
from typing import List
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import pycountry
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from babel import Locale
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from babel.core import get_global
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from fastapi import APIRouter
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from pydantic import BaseModel
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router = APIRouter()
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# Additional regional variants for languages where the distinction matters
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# (TTS accent, vocabulary, spelling differences)
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_EXTRA_VARIANTS = [
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"pt_PT",
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"en_GB",
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"en_AU",
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"en_IN",
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"es_MX",
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"es_AR",
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"es_CO",
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"fr_CA",
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"fr_CH",
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"zh_TW",
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"zh_HK",
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"de_AT",
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"de_CH",
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"ar_SA",
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"nl_BE",
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]
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class LanguageResponse(BaseModel):
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code: str
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name: str
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@router.get("/languages", response_model=List[LanguageResponse])
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async def list_languages():
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"""List available languages as BCP 47 locale codes (e.g. pt-BR, en-US)."""
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likely_subtags = get_global("likely_subtags")
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languages = []
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seen = set()
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# 1. For each language, resolve its default locale via CLDR likely subtags
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for lang in pycountry.languages:
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if not hasattr(lang, "alpha_2"):
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continue
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code = lang.alpha_2
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likely = likely_subtags.get(code)
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if likely:
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try:
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loc = Locale.parse(likely)
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if loc.territory:
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bcp47 = f"{loc.language}-{loc.territory}"
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display = loc.get_display_name("en")
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if bcp47 not in seen:
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seen.add(bcp47)
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languages.append(LanguageResponse(code=bcp47, name=display))
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continue
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except Exception:
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pass
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# Fallback: bare language code
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if code not in seen:
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seen.add(code)
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languages.append(LanguageResponse(code=code, name=lang.name))
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# 2. Add important regional variants
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for locale_str in _EXTRA_VARIANTS:
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try:
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loc = Locale.parse(locale_str)
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bcp47 = f"{loc.language}-{loc.territory}"
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if bcp47 not in seen:
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seen.add(bcp47)
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display = loc.get_display_name("en")
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languages.append(LanguageResponse(code=bcp47, name=display))
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except Exception:
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pass
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languages.sort(key=lambda x: x.name)
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return languages
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