KankenOnline/kanken_online/lang.py

from flask import session

EXISTING_STRINGS = {
    "kanken_online",
    "options",
    "log_in",
    "register",
    "log_out",
    "kanji",
    "forum",
    "main_page",
    "username",
    "password",
    "search",
    "search_placeholder",
    "include_kanji",
    "include_kotoba",
    "username_required",
    "password_required",
    "incorrect_username",
    "incorrect_password"
    "about",
    "about-para",
    "indices"
}

ENGLISH = {
    "kanken_online": "KankenOnline",
    "options": "Options",
    "log_in": "Log in",
    "register": "Register",
    "log_out": "Log out",
    "kanji": "Kanji",
    "forum": "Forum",
    "main_page": "Main Page",
    "username": "Username",
    "password": "Password",
    "search": "Search",
    "search_placeholder": "Enter kanji or word",
    "include_kanji": "Include kanji",
    "include_kotoba": "Include kotoba",
    "username_required": "Username required.",
    "password_required": "Password required.",
    "incorrect_username": "Incorrect username.",
    "incorrect_password": "Incorrect password.",
    "about": "About KankenOnline",
    "about-para": "KankenOnline is a website seeking to provide resources to pass the Kanji Kentei level 1 exam. You can search through the approximately 6,300 characters included in Kanken, as well as generate a number of study materials automatically. For example, you can generate a PDF-format exam resembling the Kanken level 1 exam, which has the goal of mirroring the real thing as closely as possible for your preparation. Additionally, a variety of information about kanji is provided, among which phonetic series, rimes/kanji phonology, radicals, inseparable kanji, character origins and etymologies.",
    "indices": "Indices",
    "radical_index": "Radical index",
    "indivisible_index": "Indivisible kanji index",
    "phonetic_series": "Phonetic series",
    "dark_theme": "Dark theme",
    "light_theme": "Light theme",
    "language": "Language",
    "theme": "Color settings"
}

JAPANESE = {
    "kanken_online": "漢検オンライン",
    "options": "設定",
    "log_in": "ログイン",
    "register": "登録",
    "log_out": "ログアウト",
    "kanji": "漢字",
    "forum": "掲示板",
    "main_page": "ホームページ",
    "username": "ユーザー名",
    "password": "パスワード",
    "search": "検索",
    "search_placeholder": "漢字・言葉を入力",
    "include_kanji": "漢字を含む",
    "include_kotoba": "言葉を含む",
    "username_required": "ユーザー名が必要です",
    "password_required": "パスワードが必要です",
    "incorrect_username": "ユーザー名が違います",
    "incorrect_password": "パスワードが違います",
    "about": "漢検オンラインとは",
    "about-para": "漢検オンラインとは、漢検一級合格を目当てにした資料を供用しているサイトです。ここで漢検のやく６３００字を検索でき、いろんな勉強材を自動的に作ることができます。たとえば、漢検一級模様の試験PDFを作ることができて、本物の漢検試験に大抵該当することが目的です。さらに、色々漢字についての情報を取り集めております。諧声域（かいせいいき）・音韻学・部首・不可分漢字・字源・語源などがその内です。",
    "indices": "索引",
    "radical_index": "部首索引",
    "indivisible_index": "不可分漢字索引",
    "phonetic_series": "諧声域索引",
    "dark_theme": "ダークモード",
    "light_theme": "ライトモード",
    "language": "言語",
    "theme": "色設定"
}

LANGUAGES = {
    "en": ENGLISH,
    "ja": JAPANESE
}

# assert all(all(key in lang for key in EXISTING_STRINGS) for lang in LANGUAGES)  # Ensure all strings are mapped for all existing languages
# assert not [key for lang in LANGUAGES for key in lang if ((key in lang) and (key not in EXISTING_STRINGS))]
# assert not any((((key in lang) and (key not in EXISTING_STRINGS)) for key in lang) for lang in LANGUAGES)  # Ensure no languages have strings not specified by the main index


def localize(text_id: str, language: dict[str, str] = None) -> str:
    if language is None:
        preference = session.get("language", "ja")
        language = LANGUAGES.get(preference)
    return language[text_id]