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Kevin Veen-Birkenbach
ef1c8ff09a
The table was thirty languages typed by hand. It is now generated: utils/generate_languages.py takes the 184 alpha-2 codes from pycountry, the display names from CLDR through babel, and the writing direction from CLDR character order. 159 languages carry their endonym; the remaining 25 have no CLDR entry and carry their English ISO name. That corrects the right-to-left set, which had four entries and needs ten — dv, ks, ps, sd, ug and yi were simply missed. Only 29 languages ship an interface catalogue, so the other 155 render in English until one is filled. make i18n-ui fills app/i18n/ui/ for them, and make i18n now covers the interface strings as well; neither asks for a string a shipped catalogue already answers, so hand-written entries stay. 184 entries do not fit on a screen, so the language menu scrolls inside itself. overscroll-behavior keeps the page behind it from moving once the list reaches its end. babel and pycountry are dev dependencies: the generator needs them, the application does not. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""Regenerate app/utils/languages.py from ISO 639-1 and CLDR.
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Every ISO 639-1 alpha-2 code becomes an entry. The display name is the CLDR
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endonym where CLDR knows the language, and the English ISO name for the
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remainder. Writing direction comes from CLDR's character order.
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Needs the dev extra: pip install -e ".[dev]"
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"""
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import subprocess
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import sys
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from pathlib import Path
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import pycountry
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from babel import Locale
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from babel.localedata import locale_identifiers
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TARGET = Path(__file__).resolve().parents[1] / "app" / "utils" / "languages.py"
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HEADER = '''"""ISO 639-1 languages, their display names and writing direction.
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Generated by utils/generate_languages.py — edit that script, not this file.
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Display names are CLDR endonyms where CLDR covers the language and the English
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ISO 639-1 name for the {fallback} codes it does not.
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"""
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LANGUAGES = {{
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'''
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FOOTER = """}}
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RTL_LANGUAGES = frozenset({rtl})
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"""
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def collect():
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"""Return (code -> display name) and the set of right-to-left codes."""
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cldr = {code for code in locale_identifiers() if len(code) == 2 and code.isalpha()}
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names, rtl, fallbacks = {}, set(), 0
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for language in sorted(
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pycountry.languages, key=lambda item: getattr(item, "alpha_2", "")
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):
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code = getattr(language, "alpha_2", None)
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if not code:
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continue
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if code in cldr:
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locale = Locale.parse(code)
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names[code] = locale.get_display_name(code)
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if locale.character_order == "right-to-left":
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rtl.add(code)
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else:
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names[code] = language.name
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fallbacks += 1
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return names, rtl, fallbacks
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def render(names, rtl, fallbacks):
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"""Return the module source, English first and the rest by code."""
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ordered = ["en"] + [code for code in sorted(names) if code != "en"]
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body = "".join(f' "{code}": "{names[code]}",\n' for code in ordered)
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listed = ", ".join(f'"{code}"' for code in sorted(rtl))
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return (
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HEADER.format(fallback=fallbacks) + body + FOOTER.format(rtl="{" + listed + "}")
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)
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def main():
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names, rtl, fallbacks = collect()
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TARGET.write_text(render(names, rtl, fallbacks), encoding="utf-8")
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subprocess.run([sys.executable, "-m", "ruff", "format", str(TARGET)], check=False)
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print(
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f"{len(names)} languages, {len(rtl)} right-to-left, "
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f"{fallbacks} without a CLDR endonym"
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)
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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