lenticular_cloud2/lenticular_cloud/translations/__init__.py

55 lines
1.4 KiB
Python

from flask import g, request, Flask
from flask_babel import Babel
from flask_login import current_user
from typing import Optional
from lenticular_cloud.model import db, User
LANGUAGES = {
'en': 'English',
'de': 'Deutsch'
}
babel = Babel()
@babel.localeselector
def get_locale() -> str:
# if a user is logged in, use the locale from the user settings
user = current_user # type: Optional[User]
return 'de'
# prefer lang argument
if 'lang' in request.args:
lang = request.args['lang'] # type: str
if lang in LANGUAGES:
if not isinstance(user, User):
return lang
user.locale = lang
db.session.commit()
if isinstance(user, User):
return user.locale
# otherwise try to guess the language from the user accept
# header the browser transmits. We support de/fr/en in this
# example. The best match wins.
return request.accept_languages.best_match(['de'])
@babel.timezoneselector
def get_timezone() -> Optional[str]:
# user = getattr(g, 'user', None)
# if user is not None:
# return user.timezone
return None
def init_babel(app: Flask) -> None:
babel.init_app(app)
@app.context_processor
def get_locale_jinja() -> dict:
def get_locale_() -> str:
return get_locale()
return dict(get_locale=get_locale_)
return None