From a121c23973b1d4f849a377f1bdc1cfe76cce88a3 Mon Sep 17 00:00:00 2001
From: shortcutme <tamas@zeronet.io>
Date: Wed, 28 Aug 2019 01:32:16 +0200
Subject: [PATCH] Use re.sub to replace template variables

---
 src/Ui/UiRequest.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Ui/UiRequest.py b/src/Ui/UiRequest.py
index 667b90a5..1a2f4b2a 100644
--- a/src/Ui/UiRequest.py
+++ b/src/Ui/UiRequest.py
@@ -293,9 +293,12 @@ class UiRequest(object):
     # Renders a template
     def render(self, template_path, *args, **kwargs):
         template = open(template_path).read()
-        for key, val in kwargs.items():
-            template = template.replace("{%s}" % key, "%s" % val)
-        return template.encode("utf8")
+        def renderReplacer(m):
+            return "%s" % kwargs.get(m.group(1), "")
+
+        template_rendered = re.sub("{(.*?)}", renderReplacer, template)
+
+        return template_rendered.encode("utf8")
 
     # - Actions -