Solucionada preview de archivos de texto

Sin embargo tengo mis dudas sobre si la implementacion es correcta

files/files.py

@@ -128,8 +128,18 @@ def preview_file(id):
     file = File.query.get(id)
     categories = Category.query.all()
     file_types = FileType.query.all()
+    
+    if file.type.name == 'Code':
+        try:
+            content = open(_get_path_in_upload(file.filename), 'r').read()
+        except:
+            flash('Error: file is binary, can\'t be displayed')
+            content = 'Error'
+    else:
+        content = ''
+
     if (file.private == 1 and g.user is not None) or (file.private == 0):
-        return render_template('files/preview.html', file=file, categories=categories, file_types=file_types)
+        return render_template('files/preview.html', file=file, categories=categories, file_types=file_types, content=content)
     else:
         return abort(404)