init commit

lenticular_cloud/translations/__init__.py

@@ -0,0 +1,48 @@
+from flask import g, request, Flask
+from flask_login import current_user
+from typing import Optional
+
+LANGUAGES = {
+    'en': 'English',
+    'de': 'Deutsch'
+}
+
+
+def init_babel(app: Flask) -> None:
+    babel = app.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
+
+    @app.context_processor
+    def get_locale_jinja() -> dict:
+        def get_locale_() -> str:
+            return get_locale()
+
+        return dict(get_locale=get_locale_)