move everything (except config) in one file

templates/base.html

@@ -0,0 +1,19 @@
+{% extends "bootstrap/base.html" %}
+
+{% block title %}Prolefeeder{% endblock %}
+{% block content %}
+<div class="container">
+
+{% with messages = get_flashed_messages() %}
+{% if messages %}
+    {% for message in messages %}
+    <div class="alert alert-info" role="alert">{{ message }}</div>
+    {% endfor %}
+{% endif %}
+{% endwith %}
+
+{% block app_content %}
+{% endblock %}
+
+</div>
+{% endblock %}

templates/download.html

@@ -0,0 +1,31 @@
+{% extends "base.html" %}
+
+
+{% block head %}
+    {{ super() }}
+    {% if filename is defined %}
+    <meta http-equiv="refresh" content="0;URL='download_file/{{ filename }}'" />
+    {% endif %}
+{% endblock %}
+
+{% block app_content %}
+    <h1>Download</h1>
+    <form action="" method="post" novalidate>
+        {{ form.hidden_tag() }}
+        <p>
+            {{ form.start_time.label }}<br>
+            {{ form.start_time() }}<br>
+            {% for error in form.start_time.errors %}
+            <span style="color: red;">[{{ error }}]</span>
+            {% endfor %}
+        </p>
+        <p>
+            {{ form.length.label }}<br>
+            {{ form.length() }}<br>
+            {% for error in form.length.errors %}
+            <span style="color: red;">[{{ error }}]</span>
+            {% endfor %}
+        </p>
+        <p>{{ form.submit() }}</p>
+    </form>
+{% endblock %}