Update __init__.py

app/__init__.py

@@ -53,13 +53,15 @@ def create_app(config_name="dev"):
     compress.init_app(app)
     md = Markdown(app, safe_mode=True)
     babel.init_app(app, locale_selector=get_locale)
-    """if db.session.get_bind().dialect.name == "postgresql":
-        lc_messages_query = db.session.execute(text("SHOW lc_messages;"))
-        psql_locale = lc_messages_query.fetchone()[0]
-        if psql_locale != "en_US.UTF-8":
-            warnings.warn("Your postgresql instance language is not english. Switching to English.")
-            db.session.execute(text("SET lc_messages TO 'en_US.UTF-8';"))
-            db.session.commit()"""
+    with app.app_context():
+        if db.session.get_bind().dialect.name == "postgresql":
+            lc_messages_query = db.session.execute(text("SHOW lc_messages;"))
+            psql_locale = lc_messages_query.fetchone()[0]
+            if psql_locale != "en_US.UTF-8":
+                # ToDo: add an option in config.py to check something such as app.config["FORCE_PSQL_EN_LOCALE"] (with default on True)
+                warnings.warn("Your postgresql instance language is not english. Switching to English.")
+                db.session.execute(text("SET lc_messages TO 'en_US.UTF-8';"))
+                db.session.commit()
     # Register Jinja template functions
     from .main import main as main_blueprint
     app.register_blueprint(main_blueprint)