Add dinamic image banner (with macro Jinja2)

Author: rafaelhenrique

tvseries/core.py

@@ -1,13 +1,18 @@
-from flask import Flask, render_template, request, redirect
+import os
+from random import choice
+from flask import Flask, render_template, request, redirect, url_for
 
 app = Flask(__name__)
 series = []
 
 
 @app.route('/')
-@app.route('/<name>')
 def home(name=None):
-    return render_template('home.html', name=name, series=series)
+    image_directory = os.path.join(app.static_folder, 'img')
+    image_filenames = os.listdir(image_directory)
+    image = os.path.join('img', choice(image_filenames))
+    img_url = url_for('static', filename=image)
+    return render_template('home.html', series=series, image=img_url)
 
 
 @app.route('/add', methods=['GET', 'POST'])

tvseries/static/img/arrow_1000x400.jpg

@@ -0,0 +1,5 @@
+{% macro render_banner(image='') -%}
+<div class="banner">
+<img src="{{ image }}" width="100%" border="0">
+</div>
+{%- endmacro %}

tvseries/static/img/flash_1000x400.png

@@ -1,9 +1,8 @@
 {% extends 'base.html' %}
 {% block content %}
-<div class="jumbotron">
-<h1>Hello {% if name %}{{name}}{% else %}world{% endif %}!</h1>
-<p>This is a simple page :D</p>
-</div>
+
+{% import 'banner.html' as banner %}
+{{ banner.render_banner(image) }}
 
 {% if series %}
 <div class="panel panel-default">