Display image in edit post form

data_xml.py

@@ -118,7 +118,7 @@ def save_post(category, timestamp, admin, form, files):
         filename = secure_filename(post_image.filename)
         post_image.save(str(post.parent / filename))
         element = ElementTree.SubElement(tree, 'image')
-        element.text = str(post.parent / filename)
+        element.text = filename
 
     element = ElementTree.SubElement(tree, STATE_PUBLISHED)
     element.text = email.utils.formatdate(

templates/edit_post.html

@@ -30,7 +30,8 @@
       <label>Description
         <textarea name="summary">{{ post.summary }}</textarea>
       </label>
-      <label>
+      <label>Image
+        <img alt="" src="{{ url_for('post_image', path=post._image) }}" />
         <input name="image" id="image" type="file" value="{{ post.image }}" />
       </label>
       <label>Contenu de l'article