Despite the fact that I have created a templatetags folder and put in __init__.py the code below,
from django import template
from django.contrib.auth.models import Group
register = template.Library()
@register.filter(name='has_group')
def has_group(user, group_name):
group = Group.objects.get(name=group_name)
return True if group in user.groups.all() else False
I still facing the error
Invalid filter: 'has_group'.
I want based on a specific group that I have created in admin to give access to certain functions.
This is an example of my template.
{% if request.user|has_group:"operationalusers" %}
<div class="col-md-12">
<h1>Warehouse</h1>
<div style="margin: 0 auto; text-align:center; padding:1em;">
<a href="{% url 'warehouse_stuffing_new' %}">
<button class="btn btn-success" type="">New Entry</button></a>
<a href="{% url 'upload_csv' %}">
<button class="btn btn-success" type="">Bulk Entry</button></a>
</div>
{% endif %}
The Traceback stack gives an error to the return line of code in my views.py
def warehouse_stuffing_list(request, template_name='warehouse/warehouse_list.html'):
products_with_serial_numbers = ProductSerialNumbers.objects.all()
data = {}
data['object_list'] = products_with_serial_numbers
return render(request, template_name, data)
What I miss?
Here the traceback
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/var/www/vhosts/intranet.health-nutrition.gr/farmakeio/intranet/views.py", line 1938, in warehouse_stuffing_list
return render(request, template_name, data)
File "/usr/local/lib/python2.7/dist-packages/django/shortcuts.py", line 30, in render
content = loader.render_to_string(template_name, context, request, using=using)
File "/usr/local/lib/python2.7/dist-packages/django/template/loader.py", line 67, in render_to_string
template = get_template(template_name, using=using)
File "/usr/local/lib/python2.7/dist-packages/django/template/loader.py", line 21, in get_template
return engine.get_template(template_name)
File "/usr/local/lib/python2.7/dist-packages/django/template/backends/django.py", line 39, in get_template
return Template(self.engine.get_template(template_name), self)
File "/usr/local/lib/python2.7/dist-packages/django/template/engine.py", line 162, in get_template
template, origin = self.find_template(template_name)
File "/usr/local/lib/python2.7/dist-packages/django/template/engine.py", line 136, in find_template
name, template_dirs=dirs, skip=skip,
File "/usr/local/lib/python2.7/dist-packages/django/template/loaders/base.py", line 44, in get_template
contents, origin, origin.template_name, self.engine,
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 191, in __init__
self.nodelist = self.compile_nodelist()
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 230, in compile_nodelist
return parser.parse()
File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 515, in parse
raise self.error(token, e)
TemplateSyntaxError: Invalid filter: 'has_group'
Put your code in a file templatetags/has_group.py in a registered app. Make sure templatetags also contains an __init__.py file.
Then add {% load has_group %} to your template.