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#!/usr/bin/env python3
import concurrent.futures
import dataclasses
import json
import os
import re
import subprocess
import sys
import urllib.request
from dataclasses import dataclass
from typing import Any, TextIO
FILENAME = "locales.gen.go"
class Rune(int):
pass
@dataclass
class Locale:
bcp: str
eurozonep: bool
enabledp: bool
territory: str | None = dataclasses.field(default=None)
name: str = dataclasses.field(init=False)
date_format: str = dataclasses.field(init=False)
group_separator: Rune = dataclasses.field(init=False)
decimal_separator: Rune = dataclasses.field(init=False)
monetary_formats: tuple[str, str] = dataclasses.field(init=False)
percent_format: str = dataclasses.field(init=False)
LOCALES = (
Locale(bcp="ca", eurozonep=True, enabledp=False),
Locale(bcp="de", eurozonep=True, enabledp=False),
Locale(bcp="el", eurozonep=True, enabledp=False),
Locale(bcp="en", eurozonep=True, enabledp=True, territory="GB"),
Locale(bcp="es", eurozonep=True, enabledp=False),
Locale(bcp="et", eurozonep=True, enabledp=False),
Locale(bcp="fi", eurozonep=True, enabledp=False),
Locale(bcp="fr", eurozonep=True, enabledp=False),
Locale(bcp="ga", eurozonep=True, enabledp=False),
Locale(bcp="hr", eurozonep=True, enabledp=False),
Locale(bcp="it", eurozonep=True, enabledp=False),
Locale(bcp="lb", eurozonep=True, enabledp=False),
Locale(bcp="lt", eurozonep=True, enabledp=False),
Locale(bcp="lv", eurozonep=True, enabledp=False),
Locale(bcp="mt", eurozonep=True, enabledp=False),
Locale(bcp="nl", eurozonep=True, enabledp=True),
Locale(bcp="pt", eurozonep=True, enabledp=False, territory="PT"),
Locale(bcp="sk", eurozonep=True, enabledp=False),
Locale(bcp="sl", eurozonep=True, enabledp=False),
Locale(bcp="sv", eurozonep=True, enabledp=True),
Locale(bcp="tr", eurozonep=True, enabledp=False),
Locale(bcp="bg", eurozonep=False, enabledp=False),
Locale(bcp="ro", eurozonep=False, enabledp=False),
Locale(bcp="uk", eurozonep=False, enabledp=False),
)
BASELINK = "https://raw.githubusercontent.com/unicode-org/cldr-json/refs/heads/main/cldr-json/%s/main/%%s/%s"
NUMBERS_LINK, DATES_LINK, LANGUAGES_LINK = (
BASELINK % ("cldr-numbers-full", "numbers.json"),
BASELINK % ("cldr-dates-full", "ca-gregorian.json"),
BASELINK % ("cldr-localenames-full", "languages.json"),
)
def main() -> int:
rv = 0
nprocs = os.cpu_count()
with concurrent.futures.ThreadPoolExecutor(max_workers=nprocs) as executor:
for x in [executor.submit(write_locale, l) for l in LOCALES]:
try:
x.result()
except Exception as e:
print(f"gen.py: {e}", file=sys.stderr)
rv = 1
with open(FILENAME, "w") as f:
f.write("""// Code generated by gen.py. DO NOT EDIT.
package i18n
import "github.com/leonelquinteros/gotext"
type LocaleInfo struct {
Bcp, Name string
Eurozonep, Enabledp bool
DateFormat string
GroupSeparator, DecimalSeparator rune
MonetaryFormats [2]string
PercentFormat string
}
var locales = [...]LocaleInfo{
""")
for x in LOCALES:
f.write("{\n")
for k, v in x.__dict__.items():
if not v or k == "territory":
continue
if k == "name":
f.write('Name: gotext.GetC(%s, "Language Name"),\n' % val_to_go(v))
else:
f.write("%s: %s,\n" % (pascal(k), val_to_go(v)))
f.write("},\n")
f.write("}")
subprocess.run(["gofmt", "-w", FILENAME])
return rv
def write_locale(l: Locale) -> None:
bcp = '%s-%s' % (l.bcp, l.territory) if l.territory else l.bcp
jn, jd, jl = map(json.load, (
urllib.request.urlopen(NUMBERS_LINK % bcp),
urllib.request.urlopen(DATES_LINK % bcp),
urllib.request.urlopen(LANGUAGES_LINK % bcp),
))
name = jl["main"][bcp]["localeDisplayNames"]["languages"][l.bcp]
l.name = name.capitalize()
syms = jn["main"][bcp]["numbers"]["symbols-numberSystem-latn"]
l.group_separator = Rune(ord(syms["group"]))
l.decimal_separator = Rune(ord(syms["decimal"]))
fmt = jn["main"][bcp]["numbers"]["percentFormats-numberSystem-latn"]["standard"]
l.percent_format = numfmt_subst(fmt)
fmt = jd["main"][bcp]["dates"]["calendars"]["gregorian"]["dateFormats"]["short"]
l.date_format = (
fmt
.replace("yy", "06")
.replace("MM", "01")
.replace("dd", "02")
.replace("y", "2006")
.replace("M", "1")
.replace("d", "2")
.replace("'", "")
)
fmt = jn["main"][bcp]["numbers"]["currencyFormats-numberSystem-latn"]["standard"]
parts = list(map(numfmt_subst, fmt.replace("¤", "€").split(";")))
if len(parts) == 1:
parts.append('-' + parts[0])
l.monetary_formats = tuple(parts)
def numfmt_subst(s: str) -> str:
return re.sub(r"[0#,.]+", "123", s)
def pascal(s: str) -> str:
return ''.join(map(str.capitalize, s.split('_')))
def val_to_go(x: Any) -> str:
match x:
case bool():
return "true" if x else "false"
case Rune():
return "'%s'" % chr(x)
case str():
return '"%s"' % x
case (str(), str()):
return "[2]string{%s, %s}" % (val_to_go(x[0]), val_to_go(x[1]))
if __name__ == "__main__":
os.chdir(os.path.dirname(sys.argv[0]))
sys.exit(main())
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