#26573: Empty 'AssertionError' exception message on syntax error ({% else if
%}) in
templates
-------------------------------+-------------------------------------------
Reporter: vakorol | Owner: nobody
Type: Uncategorized | Status: new
Component: Template | Version: 1.8
system |
Severity: Normal | Keywords: assertionerror template elsif
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------+-------------------------------------------
If one erroneously uses `{% else if ... %}` instead of `{% elif ... %}` in
django templates:
{{{
{% if task.status == TASK_STATUS_DONE %}
...
{% else if task.status == TASK_STATUS_ERROR or task.status ==
TASK_STATUS_ABORTED %}
...
{% endif %}
}}}
then the following error without any message emerges:
{{{
AssertionError at /wizard/tasks/1/summary
No exception message supplied
Environment:
Request Method: GET
Request URL: http://127.0.0.1:20090/wizard/tasks/1/summary
Django Version: 1.8.13
Python Version: 3.4.3
Installed Applications:
('django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'bootstrap3',
'djkombu',
...)
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
'django.middleware.security.SecurityMiddleware',
'viking.middleware.LoginRequiredMiddleware')
Traceback:
File "/usr/local/lib/python3.4/dist-packages/django/core/handlers/base.py"
in get_response
132. response = wrapped_callback(request,
*callback_args, **callback_kwargs)
File "/usr/local/lib/python3.4/dist-
packages/django/views/decorators/csrf.py" in wrapped_view
58. return view_func(*args, **kwargs)
File "/usr/local/lib/python3.4/dist-packages/django/views/generic/base.py"
in view
71. return self.dispatch(request, *args, **kwargs)
File "/usr/local/lib/python3.4/dist-packages/rest_framework/views.py" in
dispatch
466. response = self.handle_exception(exc)
File "/usr/local/lib/python3.4/dist-packages/rest_framework/views.py" in
dispatch
463. response = handler(request, *args, **kwargs)
File "/usr/local/lib/python3.4/dist-packages/rest_framework/decorators.py"
in handler
53. return func(*args, **kwargs)
File "/www/deploy/apps/wizard/views.py" in task_id_step
156. return render_to_response( "wizard/step_summary.html",
template_data )
File "/usr/local/lib/python3.4/dist-packages/django/shortcuts.py" in
render_to_response
39. content = loader.render_to_string(template_name, context,
using=using)
File "/usr/local/lib/python3.4/dist-packages/django/template/loader.py" in
render_to_string
98. template = get_template(template_name, using=using)
File "/usr/local/lib/python3.4/dist-packages/django/template/loader.py" in
get_template
35. return engine.get_template(template_name, dirs)
File "/usr/local/lib/python3.4/dist-
packages/django/template/backends/django.py" in get_template
30. return Template(self.engine.get_template(template_name,
dirs))
File "/usr/local/lib/python3.4/dist-packages/django/template/engine.py" in
get_template
167. template, origin = self.find_template(template_name, dirs)
File "/usr/local/lib/python3.4/dist-packages/django/template/engine.py" in
find_template
141. source, display_name = loader(name, dirs)
File "/usr/local/lib/python3.4/dist-
packages/django/template/loaders/base.py" in __call__
13. return self.load_template(template_name, template_dirs)
File "/usr/local/lib/python3.4/dist-
packages/django/template/loaders/base.py" in load_template
23. template = Template(source, origin, template_name,
self.engine)
File "/usr/local/lib/python3.4/dist-packages/django/template/base.py" in
__init__
191. self.nodelist = engine.compile_string(template_string,
origin)
File "/usr/local/lib/python3.4/dist-packages/django/template/engine.py" in
compile_string
261. return parser.parse()
File "/usr/local/lib/python3.4/dist-packages/django/template/base.py" in
parse
342. compiled_result = compile_func(self, token)
File "/usr/local/lib/python3.4/dist-
packages/django/template/loader_tags.py" in do_extends
210. nodelist = parser.parse()
File "/usr/local/lib/python3.4/dist-packages/django/template/base.py" in
parse
342. compiled_result = compile_func(self, token)
File "/usr/local/lib/python3.4/dist-
packages/django/template/loader_tags.py" in do_block
184. nodelist = parser.parse(('endblock',))
File "/usr/local/lib/python3.4/dist-packages/django/template/base.py" in
parse
342. compiled_result = compile_func(self, token)
File "/usr/local/lib/python3.4/dist-
packages/django/template/defaulttags.py" in do_if
1033. assert token.contents == 'endif'
Exception Type: AssertionError at /wizard/tasks/1/summary
Exception Value:
}}}
I think it would be nice to include some meaningful message with the
exception.
--
Ticket URL: <https://code.djangoproject.com/ticket/26573>
Django <https://code.djangoproject.com/>
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