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#!/usr/bin/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 TextIO
FILENAME = "locales.gen.go"
@dataclass
class Locale:
bcp: str
eurozone: bool
enabled: bool
territory: str | None = dataclasses.field(default=None)
name: str = dataclasses.field(init=False)
date_format: str = dataclasses.field(init=False)
group_separator: int = dataclasses.field(init=False)
decimal_separator: int = dataclasses.field(init=False)
monetary_pre: str = dataclasses.field(init=False)
monetary_suf: str = dataclasses.field(init=False)
percent_format: str = dataclasses.field(init=False)
LOCALES = (
Locale(bcp="ca", eurozone=True, enabled=False),
Locale(bcp="de", eurozone=True, enabled=False),
Locale(bcp="el", eurozone=True, enabled=False),
Locale(bcp="en", eurozone=True, enabled=True, territory="GB"),
Locale(bcp="es", eurozone=True, enabled=False),
Locale(bcp="et", eurozone=True, enabled=False),
Locale(bcp="fi", eurozone=True, enabled=False),
Locale(bcp="fr", eurozone=True, enabled=False),
Locale(bcp="ga", eurozone=True, enabled=False),
Locale(bcp="hr", eurozone=True, enabled=False),
Locale(bcp="it", eurozone=True, enabled=False),
Locale(bcp="lb", eurozone=True, enabled=False),
Locale(bcp="lt", eurozone=True, enabled=False),
Locale(bcp="lv", eurozone=True, enabled=False),
Locale(bcp="mt", eurozone=True, enabled=False),
Locale(bcp="nl", eurozone=True, enabled=True),
Locale(bcp="pt", eurozone=True, enabled=False, territory="PT"),
Locale(bcp="sk", eurozone=True, enabled=False),
Locale(bcp="sl", eurozone=True, enabled=False),
Locale(bcp="sv", eurozone=True, enabled=True),
Locale(bcp="tr", eurozone=True, enabled=False),
Locale(bcp="bg", eurozone=False, enabled=False),
Locale(bcp="ro", eurozone=False, enabled=False),
Locale(bcp="uk", eurozone=False, enabled=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
Eurozone, Enabled bool
DateFormat string
GroupSeparator, DecimalSeparator rune
MonetaryPre [2]string
MonetarySuf 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
f.write("%s: " % pascal(k))
match v:
case bool():
f.write("true" if v else "false")
case int():
f.write("'%s'" % chr(v))
case str() if not v.startswith("gotext"):
f.write('"%s"' % v)
case str():
f.write(v)
case [str(), str()]:
f.write('[2]string{"%s", "%s"}' % (v[0], v[1]))
f.write(",\n")
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].capitalize()
l.name = 'gotext.GetC("%s", "Language Name")' % name
syms = jn["main"][bcp]["numbers"]["symbols-numberSystem-latn"]
l.group_separator = ord(syms["group"])
l.decimal_separator = ord(syms["decimal"])
fmt = jn["main"][bcp]["numbers"]["percentFormats-numberSystem-latn"]["standard"]
fmt = fmt.replace("%", "%%")
l.percent_format = re.sub(r"[0#,.]+", "%s", 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 = fmt.replace("¤", "€").split(";")
l.monetary_pre = ["", ""]
for i, x in enumerate(parts):
pre_suf = re.split(r"[0#,.]+", x)
l.monetary_pre[i] = pre_suf[0]
l.monetary_suf = pre_suf[1]
if len(parts) == 1:
l.monetary_pre[1] = "-" + l.monetary_pre[0]
def pascal(s: str) -> str:
return ''.join(map(str.capitalize, s.split('_')))
if __name__ == "__main__":
os.chdir(os.path.dirname(sys.argv[0]))
sys.exit(main())
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