structuring flask section

README.md

@@ -15,7 +15,7 @@ pip install flask
 touch app.py
 ```
 
-## 3. Creating `app.py`
+## 3. Creating `run.py`
 
 ```python
 from flask import Flask
@@ -34,13 +34,13 @@ if (__name__ == "__main__"):
 ## 4. Running Flask Server
 
 ```bash
-python app.py
+python run.py
 ```
 
 or
 
 ```bash
-export FLASK_APP=app.py
+export FLASK_APP=run.py
 export FLASK_ENV=development # deprecated
 export FLASK_DEBUG=1         # debug = True
 

app/__init__.py

@@ -0,0 +1,7 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+from app import views
+from app import admin_views
+

app/admin_views.py

@@ -0,0 +1,11 @@
+from app import app
+
+# main route
+@app.route("/admin/dashboard")
+def index():
+    return "<h1>Admin dashboard</h1>"
+
+# about page route
+@app.route("/admin/profile")
+def about():
+    return "<h1>Admin profile<h1>"

app/views.py

@@ -0,0 +1,11 @@
+from app import app
+
+# main route
+@app.route("/")
+def index():
+    return "Hello, world"
+
+# about page route
+@app.route("/about")
+def about():
+    return "<h1>About page<h1>"

requirements.txt

@@ -0,0 +1,9 @@
+click==8.1.3
+Flask==2.2.3
+importlib-metadata==6.3.0
+itsdangerous==2.1.2
+Jinja2==3.1.2
+MarkupSafe==2.1.2
+pkg_resources==0.0.0
+Werkzeug==2.2.3
+zipp==3.15.0

run.py

@@ -0,0 +1,4 @@
+from app import app
+
+if (__name__ == "__main__"):
+    app.run(debug=True)