Allow tags fix for Django 2.0

.gitignore

@@ -28,3 +28,5 @@ cover/
 .cache/
 htmlcov/
 coverage.xml
+env/
+.vscode/

django_celery_monitor/admin.py

@@ -9,7 +9,7 @@
 from django.shortcuts import render_to_response
 from django.template import RequestContext
 from django.utils.encoding import force_text
-from django.utils.html import escape
+from django.utils.html import escape, format_html
 from django.utils.translation import ugettext_lazy as _
 
 from celery import current_app
@@ -48,7 +48,7 @@ def colored_state(task):
     """
     state = escape(task.state)
     color = TASK_STATE_COLORS.get(task.state, 'black')
-    return '<b><span style="color: {0};">{1}</span></b>'.format(color, state)
+    return format_html('<b><span style="color: {0};">{1}</span></b>', color, state)
 
 
 @display_field(_('state'), 'last_heartbeat')
@@ -59,14 +59,14 @@ def node_state(node):
     """
     state = node.is_alive() and 'ONLINE' or 'OFFLINE'
     color = NODE_STATE_COLORS[state]
-    return '<b><span style="color: {0};">{1}</span></b>'.format(color, state)
+    return format_html('<b><span style="color: {0};">{1}</span></b>', color, state)
 
 
 @display_field(_('ETA'), 'eta')
 def eta(task):
     """Return the task ETA as a grey "none" if none is provided."""
     if not task.eta:
-        return '<span style="color: gray;">none</span>'
+        return format_html('<span style="color: gray;">none</span>')
     return escape(make_aware(task.eta))
 
 
@@ -78,17 +78,19 @@ def tstamp(task):
     it as a "natural date" -- a human readable version.
     """
     value = make_aware(task.tstamp)
-    return '<div title="{0}">{1}</div>'.format(
-        escape(str(value)), escape(naturaldate(value)),
+    return format_html('<div title="{0}">{1}</div>',
+        str(value),
+        naturaldate(value)
     )
 
 
 @display_field(_('name'), 'name')
 def name(task):
     """Return the task name and abbreviates it to maximum of 16 characters."""
     short_name = abbrtask(task.name, 16)
-    return '<div title="{0}"><b>{1}</b></div>'.format(
-        escape(task.name), escape(short_name),
+    return format_html('<div title="{0}"><b>{1}</b></div>',
+        task.name,
+        short_name,
     )
 
 

django_celery_monitor/utils.py

@@ -9,7 +9,7 @@
 from django.conf import settings
 from django.db.models import DateTimeField, Func
 from django.utils import timezone
-from django.utils.html import escape
+from django.utils.html import escape, mark_safe, format_html
 
 try:
     from django.db.models.functions import Now
@@ -101,12 +101,9 @@ def f(task):
         if val.startswith("u'") or val.startswith('u"'):
             val = val[2:-1]
         shortval = val.replace(',', ',\n')
-        shortval = shortval.replace('\n', '|br/|')
+        shortval = shortval.replace('\n', '<br/>')
 
         if len(shortval) > maxlen:
             shortval = shortval[:maxlen] + '...'
-        styled = FIXEDWIDTH_STYLE.format(
-            escape(val[:255]), pt, escape(shortval),
-        )
-        return styled.replace('|br/|', '<br/>')
+        return format_html(FIXEDWIDTH_STYLE, val[:255], pt, mark_safe(shortval))
     return f