From f98e87fcbca60c51d274c3b6d029f8204f092c05 Mon Sep 17 00:00:00 2001
From: Benjamin Dauvergne <bdauvergne@entrouvert.com>
Date: Mon, 13 Jun 2016 21:19:36 +0200
Subject: [PATCH] Restore blurp_tags (fixes #11323)

---
 src/cmsplugin_blurp/templatetags/__init__.py  |  0
 .../templatetags/blurp_tags.py                | 68 +++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 src/cmsplugin_blurp/templatetags/__init__.py
 create mode 100644 src/cmsplugin_blurp/templatetags/blurp_tags.py

diff --git a/src/cmsplugin_blurp/templatetags/__init__.py b/src/cmsplugin_blurp/templatetags/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/cmsplugin_blurp/templatetags/blurp_tags.py b/src/cmsplugin_blurp/templatetags/blurp_tags.py
new file mode 100644
index 0000000..78789b6
--- /dev/null
+++ b/src/cmsplugin_blurp/templatetags/blurp_tags.py
@@ -0,0 +1,68 @@
+import logging
+import json
+
+from django import template
+from django.conf import settings
+from django.utils.html import escape
+from django.core.serializers import serialize
+from django.core.serializers.json import DjangoJSONEncoder
+from django.db.models.query import QuerySet
+from django.utils.safestring import mark_safe
+
+from classytags.arguments import Argument
+from classytags.core import Options, Tag
+
+from .. import utils
+
+register = template.Library()
+
+# originally copied from django-jsonify(https://bitbucket.org/marltu/django-jsonify/)
+# released under a three-clause BSD License by Marius Grigaitis
+@register.filter
+def jsonify(obj):
+    if isinstance(obj, QuerySet):
+        return mark_safe(serialize('json', obj))
+    return mark_safe(json.dumps(obj, cls=DjangoJSONEncoder))
+
+@register.tag
+class RenderBlurp(Tag):
+    name = 'render_blurp'
+    options = Options(
+        Argument('name', resolve=False),
+    )
+
+
+    def render_tag(self, context, name):
+        renderer = utils.resolve_renderer(name)
+        if not renderer:
+            return ''
+        template = renderer.render_template()
+        context = renderer.render(context)
+        try:
+            if not hasattr(template, 'render'):
+                template = template.Template(template)
+            return template.render(context)
+        except Exception, e:
+            logging.getLogger(__name__).exception('error while rendering %s',
+                    renderer)
+            msg = ''
+            if settings.TEMPLATE_DEBUG:
+                msg += 'error while rendering %s: %s' % (renderer, e)
+                msg = '<pre>%s</pre>' % escape(msg)
+            return msg
+
+
+@register.tag
+class BlurpNode(Tag):
+    '''Insert content generated from a blurp block and render inside template'''
+    name = 'blurp'
+    options = Options(
+            Argument('name'),
+            blocks=[('endblurp', 'nodelist')])
+
+    def render_tag(self, context, name, nodelist):
+        context.push()
+        utils.insert_blurp_in_context(name, context)
+        output = self.nodelist.render(context)
+        context.pop()
+        return output