From 2c204037a1de8e0e12147ed24038f196dd4989c4 Mon Sep 17 00:00:00 2001
From: Heiko Ludwig <heiko.ludwig@mpinat.mpg.de>
Date: Mon, 11 Aug 2025 10:58:10 +0200
Subject: [PATCH] done: Application Setup

---
 flaskr/__init__.py | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 flaskr/__init__.py

diff --git a/flaskr/__init__.py b/flaskr/__init__.py
new file mode 100644
index 0000000..ba1f57c
--- /dev/null
+++ b/flaskr/__init__.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+
+import os
+
+from flask import Flask
+
+
+def create_app(test_config=None):
+    # create and configure the app
+    app = Flask(__name__, instance_relative_config=True)
+    app.config.from_mapping(
+        SECRET_KEY='dev',
+        DATABASE=os.path.join(app.instance_path, 'flaskr.sqlite'),
+    )
+
+    if test_config is None:
+        # load the instance config, if it exists, when not testing
+        app.config.from_pyfile('config.py', silent=True)
+    else:
+        # load the test config if passed in
+        app.config.from_mapping(test_config)
+
+    # ensure the instance folder exists
+    try:
+        os.makedirs(app.instance_path)
+    except OSError:
+        pass
+
+    # a simple page that says hello
+    @app.route('/hello')
+    def hello():
+        return 'Hello, World!'
+
+    return app