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jrief / djangocms-cascade

Build Single Page Applications using the Django-CMS plugin system
MIT License
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`DoesNotExist` in `CascadeElement.get_parent_instance()` #230

Closed rfleschenberg closed 7 years ago

rfleschenberg commented 7 years ago

Traceback below.

Can we just catch the exception and return None? That seems to work for me, but I don't know the contract of that method.

Environment:

Request Method: GET
Request URL: http://localhost:8000/de/

Django Version: 1.10.5
Python Version: 2.7.9
Installed Applications:
(u'django.contrib.auth',
 u'email_auth',
 u'polymorphic',
 u'django.contrib.contenttypes',
 u'django.contrib.sessions',
 u'django.contrib.sites',
 u'django.contrib.admin',
 u'django.contrib.staticfiles',
 u'django.contrib.sitemaps',
 u'djangocms_text_ckeditor',
 u'django_select2',
 u'widget_tweaks',
 u'cmsplugin_cascade',
 u'cmsplugin_cascade.clipboard',
 u'cmsplugin_cascade.sharable',
 u'cmsplugin_cascade.extra_fields',
 u'cmsplugin_cascade.segmentation',
 u'cmsplugin_contact',
 u'cms_bootstrap3',
 u'adminsortable2',
 u'rest_framework',
 u'rest_framework.authtoken',
 u'rest_auth',
 u'fsm_admin',
 u'djng',
 u'cms',
 u'menus',
 u'treebeard',
 u'compressor',
 u'sekizai',
 u'sass_processor',
 u'django_filters',
 u'filer',
 u'easy_thumbnails',
 u'easy_thumbnails.optimize',
 u'parler',
 u'post_office',
 u'multiselectfield',
 u'phonenumber_field',
 u'haystack',
 u'clear_cache',
 u'shop_stripe',
 u'shop_paypal',
 u'shop',
 u'stofferia',
 u'yet_another_django_profiler')
Installed Middleware:
[u'django.middleware.cache.UpdateCacheMiddleware',
 u'djng.middleware.AngularUrlMiddleware',
 u'django.middleware.gzip.GZipMiddleware',
 u'django.contrib.sessions.middleware.SessionMiddleware',
 u'django.middleware.csrf.CsrfViewMiddleware',
 u'django.contrib.auth.middleware.AuthenticationMiddleware',
 u'shop.middleware.CustomerMiddleware',
 u'django.contrib.messages.middleware.MessageMiddleware',
 u'django.middleware.locale.LocaleMiddleware',
 u'django.middleware.common.CommonMiddleware',
 u'cms.middleware.language.LanguageCookieMiddleware',
 u'cms.middleware.user.CurrentUserMiddleware',
 u'cms.middleware.page.CurrentPageMiddleware',
 u'cms.middleware.toolbar.ToolbarMiddleware',
 u'cmsplugin_contact.middleware.ForceResponseMiddleware',
 u'django.middleware.cache.FetchFromCacheMiddleware',
 u'yet_another_django_profiler.middleware.ProfilerMiddleware']

Template error:
In template /home/rene/stofferia-shop/stofferia/templates/stofferia/pages/home.html, error at line 12
   CascadeElement matching query does not exist.   2 : {% load cms_tags i18n %}
   3 : 
   4 : {% block hero_image %}<div class="hidden-xs hidden-sm hidden-md">{% placeholder "Hero Image" %}</div>{% endblock %}
   5 : 
   6 : {% block special_offer_tabs %}
   7 : <div id="special-offer-tabs-outer" class="hidden-sm hidden-xs hidden-md">
   8 :   <div class="container">
   9 :     <div class="row">
   10 :       <div class="col-xs-12">
   11 :         <ul class="nav nav-tabs">
   12 :           <li c lass="active"><a data-toggle="tab " href="#new_products">{% trans 'New products' %}</a></li>
   13 :           <li><a data-toggle="tab" href="#special_offers">{% trans 'Special offers' %}</a></li>
   14 :           <li><a data-toggle="tab" href="#seasonal_products">{% trans 'Seasonal products' %}</a></li>
   15 :         </ul>
   16 :         <div class="tab-content">
   17 :           <div id="new_products" class="tab-pane fade in active">
   18 :             {% placeholder "New Products" %}
   19 :           </div>
   20 :           <div id="seasonal_products" class="tab-pane fade">
   21 :             {% placeholder "Seasonal Products" %}
   22 :           </div>

Traceback:

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/core/handlers/exception.py" in inner
  39.             response = get_response(request)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/core/handlers/base.py" in _legacy_get_response
  249.             response = self._get_response(request)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response
  217.                 response = self.process_exception_by_middleware(e, request)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/core/handlers/base.py" in _get_response
  215.                 response = response.render()

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/response.py" in render
  109.             self.content = self.rendered_content

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/response.py" in rendered_content
  86.         content = template.render(context, self._request)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/backends/django.py" in render
  66.             return self.template.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  208.                     return self._render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/test/utils.py" in instrumented_test_render
  94.     return self.nodelist.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  994.                 bit = node.render_annotated(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render_annotated
  961.             return self.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/loader_tags.py" in render
  174.         return compiled_parent._render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/test/utils.py" in instrumented_test_render
  94.     return self.nodelist.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  994.                 bit = node.render_annotated(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render_annotated
  961.             return self.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/loader_tags.py" in render
  174.         return compiled_parent._render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/test/utils.py" in instrumented_test_render
  94.     return self.nodelist.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  994.                 bit = node.render_annotated(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render_annotated
  961.             return self.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/classytags/core.py" in render
  146.         return self.render_tag(context, **kwargs)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/sekizai/templatetags/sekizai_tags.py" in render_tag
  83.         rendered_contents = nodelist.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  994.                 bit = node.render_annotated(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render_annotated
  961.             return self.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/classytags/core.py" in render
  146.         return self.render_tag(context, **kwargs)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/sekizai/templatetags/sekizai_tags.py" in render_tag
  83.         rendered_contents = nodelist.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  994.                 bit = node.render_annotated(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render_annotated
  961.             return self.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/classytags/core.py" in render
  146.         return self.render_tag(context, **kwargs)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cms/templatetags/cms_tags.py" in render_tag
  487.         rendered_contents = nodelist.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  994.                 bit = node.render_annotated(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render_annotated
  961.             return self.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/loader_tags.py" in render
  70.                 result = block.nodelist.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render
  994.                 bit = node.render_annotated(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/template/base.py" in render_annotated
  961.             return self.render(context)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/classytags/core.py" in render
  146.         return self.render_tag(context, **kwargs)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cms/templatetags/cms_tags.py" in render_tag
  220.             nodelist=nodelist,

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cms/plugin_rendering.py" in render_page_placeholder
  266.             nodelist=nodelist,

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cms/plugin_rendering.py" in _render_page_placeholder
  499.             nodelist=nodelist,

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cms/plugin_rendering.py" in render_placeholder
  205.             placeholder_content = ''.join(plugin_content)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cms/plugin_rendering.py" in render_plugins
  432.             yield self.render_plugin(plugin, context, placeholder, editable)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cms/plugin_rendering.py" in render_plugin
  358.                 content=content,

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cmsplugin_cascade/apps.py" in render_editable_plugin
  188.                     instance=instance,

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cmsplugin_cascade/plugin_base.py" in get_parent_classes
  197.             instance = instance.get_parent_instance()

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/cmsplugin_cascade/models.py" in get_parent_instance
  74.         return CascadeElement.objects.get(pk=self.parent_id)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/db/models/manager.py" in manager_method
  85.                 return getattr(self.get_queryset(), name)(*args, **kwargs)

File "/home/rene/.virtualenvs/stofferia/local/lib/python2.7/site-packages/django/db/models/query.py" in get
  385.                 self.model._meta.object_name

Exception Type: DoesNotExist at /de/
Exception Value: CascadeElement matching query does not exist.
jrief commented 7 years ago

This has been fixed in 0.12. Reopen otherwise.