Django-notification invalid literal for int() with base 10 - django

Question

I'm using django-notification to create notifications. based on it's documention I putted:
url(r'^inbox/notifications/', include(notifications.urls, namespace='notifications')),
in my urls.py. I generate a notification for test by using this in my views.py:
guy = User.objects.get(username = 'SirSaleh')
notify.send(sender=User, recipient=guy, verb='you visted the site!')
and I can easily get the number of unread notification in this url:
http://127.0.0.1:8000/inbox/notifications/api/unread_count/
it return {"unread_count": 1} as I want. but with /api/unread_list/ I can not to get the list of notifications and I get this error:
ValueError at /inbox/notifications/
invalid literal for int() with base 10: '<property object at 0x7fe1b56b6e08>'
As I beginner in using django-notifications any help will be appreciated.
Full TraceBack
Environment:
Request Method: GET Request URL:
http://127.0.0.1:8000/inbox/notifications/api/unread_list/
Django Version: 2.0.2 Python Version: 3.5.2 Installed Applications:
['django.contrib.admin', 'django.contrib.auth',
'django.contrib.contenttypes', 'django.contrib.sessions',
'django.contrib.messages', 'django.contrib.staticfiles',
'django.contrib.sites', 'django.forms', 'rest_framework',
'allauth', 'allauth.account', 'allauth.socialaccount', 'guardian',
'axes', 'django_otp', 'django_otp.plugins.otp_static',
'django_otp.plugins.otp_totp', 'two_factor', 'invitations',
'avatar', 'imagekit', 'import_export', 'djmoney', 'captcha',
'dal', 'dal_select2', 'widget_tweaks', 'braces', 'django_tables2',
'phonenumber_field', 'hitcount', 'el_pagination',
'maintenance_mode', 'notifications', 'mathfilters',
'myproject_web', 'Order', 'PhotoGallery', 'Search', 'Social',
'UserAccount', 'UserAuthentication', 'UserAuthorization',
'UserProfile'] Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.locale.LocaleMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
'django_otp.middleware.OTPMiddleware',
'maintenance_mode.middleware.MaintenanceModeMiddleware']
Traceback:
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/core/handlers/exception.py"
in inner
35. response = get_response(request)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/core/handlers/base.py"
in _get_response
128. response = self.process_exception_by_middleware(e, request)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/core/handlers/base.py"
in _get_response
126. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/notifications/views.py"
in live_unread_notification_list
164. if n.actor:
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/contrib/contenttypes/fields.py"
in get
253. rel_obj = ct.get_object_for_this_type(pk=pk_val)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/contrib/contenttypes/models.py"
in get_object_for_this_type
169. return self.model_class()._base_manager.using(self._state.db).get(**kwargs)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/query.py"
in get
394. clone = self.filter(*args, **kwargs)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/query.py"
in filter
836. return self._filter_or_exclude(False, *args, **kwargs)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/query.py"
in _filter_or_exclude
854. clone.query.add_q(Q(*args, **kwargs))
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/sql/query.py"
in add_q
1253. clause, _ = self._add_q(q_object, self.used_aliases)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/sql/query.py"
in _add_q
1277. split_subq=split_subq,
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/sql/query.py"
in build_filter
1215. condition = self.build_lookup(lookups, col, value)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/sql/query.py"
in build_lookup
1085. lookup = lookup_class(lhs, rhs)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/lookups.py"
in init
18. self.rhs = self.get_prep_lookup()
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/lookups.py"
in get_prep_lookup
68. return self.lhs.output_field.get_prep_value(self.rhs)
File
"/home/saleh/Projects/myproject_web/lib/python3.5/site-packages/django/db/models/fields/init.py"
in get_prep_value
947. return int(value)
Exception Type: ValueError at /inbox/notifications/api/unread_list/
Exception Value: invalid literal for int() with base 10: ''

Answer 1

The actor_object_id needs to be a CharField to support UUID based primary keys.

Answer 2

oops! It was my mistake.
I Finally find out what was the problem. actor_object_id was the field of notifications_notification table, which User.objects.get(username = 'SirSaleh') saved in it. It should be Interger (user_id of actor).
So I dropped previous table changed instance to User.objects.get(username = 'SirSaleh') to User ID. Problem solved.
So Why type of actor_object_id is CharField (varchar)? (at least I don't know) ;))

Answer 3

This is old, but I happen to know the answer.
In your code, you wrote:
guy = User.objects.get(username = 'SirSaleh')
notify.send(sender=User, recipient=guy, verb='you visted the site!')
You express that you want guy to be your sender However, in notify.send, you marked the sender as a generic User object, not guy.
So, change your code to:
guy = User.objects.get(username = 'SirSaleh')
notify.send(sender=guy, recipient=guy, verb='you visted the site!')
Notifications will take the user object guy, extrapolate the ID and store it in the database accordingly.