paginate

routes.py

@@ -11,10 +11,15 @@ def load_user(user_id):
 
 @app.route('/')
 def home():
+    page = request.args.get('page', 1, type=int)
+    per_page = 10
     property_type = request.args.get('property_type')
-    listings = Listing.query.all()
+    
+    query = Listing.query
     if property_type:
-        listings = [l for l in listings if l.property_type == property_type]
+        query = query.filter_by(property_type=property_type)
+    
+    listings = query.paginate(page=page, per_page=per_page)
     return render_template('index.html', listings=listings)
 
 @app.route('/login', methods=['GET', 'POST'])