108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
# Copyright (C) 2020 by ÿnérant, eichhornchen, nicomarg, charlse
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
import gettext as gt
|
|
import os
|
|
import re
|
|
import subprocess
|
|
from pathlib import Path
|
|
from typing import Any, List
|
|
|
|
|
|
class Translator:
|
|
"""
|
|
This module uses gettext to translate strings.
|
|
Translator.setlocale defines the language of the strings,
|
|
then gettext() translates the messages.
|
|
"""
|
|
SUPPORTED_LOCALES: List[str] = ["de", "en", "es", "fr"]
|
|
locale: str = "en"
|
|
translators: dict = {}
|
|
|
|
@classmethod
|
|
def refresh_translations(cls) -> None:
|
|
"""
|
|
Loads compiled translations.
|
|
"""
|
|
for language in cls.SUPPORTED_LOCALES:
|
|
rep = Path(__file__).parent / "locale" / language / "LC_MESSAGES"
|
|
rep.mkdir(parents=True) if not rep.is_dir() else None
|
|
if os.path.isfile(rep / "squirrelbattle.mo"):
|
|
cls.translators[language] = gt.translation(
|
|
"squirrelbattle",
|
|
localedir=Path(__file__).parent / "locale",
|
|
languages=[language],
|
|
)
|
|
|
|
@classmethod
|
|
def setlocale(cls, lang: str) -> None:
|
|
"""
|
|
Defines the language used to translate the game.
|
|
The language must be supported, otherwise nothing is done.
|
|
"""
|
|
lang = lang[:2]
|
|
if lang in cls.SUPPORTED_LOCALES:
|
|
cls.locale = lang
|
|
|
|
@classmethod
|
|
def get_translator(cls) -> Any:
|
|
return cls.translators.get(cls.locale, gt.NullTranslations())
|
|
|
|
@classmethod
|
|
def makemessages(cls) -> None: # pragma: no cover
|
|
"""
|
|
Analyses all strings in the project and extracts them.
|
|
"""
|
|
for language in cls.SUPPORTED_LOCALES:
|
|
if language == "en":
|
|
# Don't translate the main language
|
|
continue
|
|
file_name = Path(__file__).parent / "locale" / language \
|
|
/ "LC_MESSAGES" / "squirrelbattle.po"
|
|
args = ["find", "squirrelbattle", "-iname", "*.py"]
|
|
find = subprocess.Popen(args, cwd=Path(__file__).parent.parent,
|
|
stdout=subprocess.PIPE)
|
|
args = ["xargs", "xgettext", "--from-code", "utf-8",
|
|
"--add-comments",
|
|
"--package-name=squirrelbattle",
|
|
"--package-version=3.14.1",
|
|
"--copyright-holder=ÿnérant, eichhornchen, "
|
|
"nicomarg, charlse, ifugao",
|
|
"--msgid-bugs-address=squirrel-battle@crans.org",
|
|
"--sort-by-file",
|
|
"-o", file_name]
|
|
if file_name.is_file():
|
|
args.append("--join-existing")
|
|
with open(file_name, "r") as f:
|
|
content = f.read()
|
|
with open(file_name, "w") as f:
|
|
f.write(re.sub("#:.*\n", "", content))
|
|
print(f"Make {language} messages...")
|
|
subprocess.Popen(args, stdin=find.stdout).wait()
|
|
|
|
@classmethod
|
|
def compilemessages(cls) -> None:
|
|
"""
|
|
Compiles translation messages from source files.
|
|
"""
|
|
for language in cls.SUPPORTED_LOCALES:
|
|
if language == "en":
|
|
continue
|
|
args = ["msgfmt", "--check-format",
|
|
"-o", Path(__file__).parent / "locale" / language
|
|
/ "LC_MESSAGES" / "squirrelbattle.mo",
|
|
Path(__file__).parent / "locale" / language
|
|
/ "LC_MESSAGES" / "squirrelbattle.po"]
|
|
print(f"Compiling {language} messages...")
|
|
subprocess.Popen(args).wait()
|
|
|
|
|
|
def gettext(message: str) -> str:
|
|
"""
|
|
Translates a message.
|
|
"""
|
|
return Translator.get_translator().gettext(message)
|
|
|
|
|
|
Translator.refresh_translations()
|