From 20fd5dd58bc4264714ab483001ea005f259e4365 Mon Sep 17 00:00:00 2001
From: Gagaro <gagaro42@gmail.com>
Date: Sat, 6 Jan 2018 15:31:39 +0100
Subject: [PATCH] python2 compatibility

---
 .../templatetags/wagtail_calendar_utils.py         | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/wagtail_calendar/templatetags/wagtail_calendar_utils.py b/wagtail_calendar/templatetags/wagtail_calendar_utils.py
index 45ca07a..d113673 100644
--- a/wagtail_calendar/templatetags/wagtail_calendar_utils.py
+++ b/wagtail_calendar/templatetags/wagtail_calendar_utils.py
@@ -7,13 +7,17 @@
 register = template.Library()
 
 
-_json_tag_escapes = {
-    ord('>'): '\\u003E',
-    ord('<'): '\\u003C',
-    ord('&'): '\\u0026',
+JSON_TAG_ESCAPES = {
+    '>': '\\u003E',
+    '<': '\\u003C',
+    '&': '\\u0026',
+    '"': '&quot;',
 }
 
 
 @register.filter(name='json', is_safe=True)
 def json_filter(value):
-    return mark_safe(json.dumps(value, cls=DjangoJSONEncoder).translate(_json_tag_escapes).replace('"', '&quot;'))
+    text = json.dumps(value, cls=DjangoJSONEncoder)
+    for char, to in JSON_TAG_ESCAPES.items():
+        text.replace(char, to)
+    return mark_safe(text)