Django community: RSS
This page, updated regularly, aggregates Django Q&A from the Django community.
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Django TypeError: 'set' object is not reversible
I'm new to Django, and I followed a tutorial online. I have two paths for this app, and I'm trying to link two paths. But unexpectedly, when I use {% url 'name' %}, TypeError at /task/add occurs. here's my code: #urls.py from django.urls import path from . import views #app_name = "tasks" urlpatterns = [ path("", views.index, name="index"), path("add", views.add, name="add") ] #index.html {% extends "tasks/layout.html" %} {% block body %} <ul> {% for task in tasks %} <li>{{ task }}</li> {% endfor %} </ul> <a href="{% url 'add' %}">Add a New Task</a> {% endblock %} I tried to re-run my virtual server, but it's not the case. any idea why it's going wrong? #error trackback TypeError at /task/ 'set' object is not reversible Request Method: GET Request URL: http://127.0.0.1:8000/task/ Django Version: 4.0.2 Exception Type: TypeError Exception Value: 'set' object is not reversible Exception Location: /home/ryan/Documents/lecture3/newenv/lib/python3.8/site-packages/django/urls/resolvers.py, line 496, in _populate Python Executable: /home/ryan/Documents/lecture3/newenv/bin/python Python Version: 3.8.10 Python Path: ['/home/ryan/Documents/lecture3/lecture3', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/home/ryan/Documents/lecture3/newenv/lib/python3.8/site-packages'] Server time: Sat, 05 Feb 2022 10:53:49 +0000 Error during template rendering In template /home/ryan/Documents/lecture3/lecture3/task/templates/tasks/index.html, error at line 9 'set' object is not reversible 1 {% extends "tasks/layout.html" %} 2 3 {% block body %} 4 <ul> … -
Django APscheduler prevent more workers running scheduled task
I use APScheduler in Django, on Windows IIS to run my background script. Problem is, taks gets run multiple times. If I run same program on my PC, it only runs once, but when I upload to windows server (which hosts my Django app) it runs more times. I guess it has some connection with the number of workers? Job is scheduled, but each time job task is done, it's like it runs random number of instances. First 1 time, then 2, then 10, then again 2. Even tho I have 'replace_existing=True, coalesce= True, misfire_grace_time = 1, max_instances = 1' planer_zad.py from apscheduler.schedulers.background import BackgroundScheduler from blog.views import cron_mail_overdue def start(): scheduler.add_job(cron_mail_overdue, "cron", hour=7, minute=14, day_of_week='mon-sun', id="task002", replace_existing=True, coalesce= True, misfire_grace_time = 10, max_instances = 1) scheduler.start() apps.py from django.apps import AppConfig class BlogConfig(AppConfig): name = 'blog' def ready(self): #print('Starting Scheduler...') from .planer import planer_zad planer_zad.start() For test I tried 'interval': scheduler.add_job(cron_mail_overdue, "interval", minutes=1, id="task002", replace_existing=True, coalesce= True, misfire_grace_time = 10, max_instances = 1) Tried: scheduler = BackgroundScheduler({ 'apscheduler.executors.default': { 'class': 'apscheduler.executors.pool:ThreadPoolExecutor', 'max_workers': '1' }, 'apscheduler.executors.processpool': { 'type': 'processpool', 'max_workers': '1' }, 'apscheduler.job_defaults.coalesce': 'True', 'apscheduler.job_defaults.max_instances': '1', 'apscheduler.timezone': 'UTC', }) scheduler.add_job(cron_mail_overdue, "cron", hour=9, minute=3, second=00, day_of_week='mon-sun', id="task002", replace_existing=True, coalesce= True, misfire_grace_time … -
One to many relationship flask
I have class which represents stuff: class Stuff(db.Model): id = db.Column(db.Integer, primary_key=True) price = db.Column(db.Integer, nullable=False) name = db.Column(db.String(100), unique=True, nullable=False) logo = db.Column(db.Text) description = db.Column(db.Text) def __repr__(self): return '<Stuff %r>' % self.name And have class which represents User: class User(db.Model): id = db.Column(db.Integer, primary_key=True) username = db.Column(db.String(80), unique=True, nullable=False) name = db.Column(db.String(80), unique=False, nullable=False) cart = db.Column(db.Text) def __repr__(self): return '<User %r>' % self.name Here cart is json string like ["Stuff_id_1", "Stuff_id_2"] To add new item i just change this string I understand that my way of using cart field is dumb How to make relationship one to many? -
Getting error while installing mysqlclient on Mac ( Terminal )
I am trying to install mysqlclient on my mac to connect MySQL database to django for a website and I always face an error for the command : pip install mysqlclient Error: ERROR: Could not find a version that satisfies the requirement mysqlclient (from versions: 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9, 1.3.10, 1.3.11rc1, 1.3.11, 1.3.12, 1.3.13, 1.3.14, 1.4.0rc1, 1.4.0rc2, 1.4.0rc3, 1.4.0, 1.4.1, 1.4.2, 1.4.2.post1, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.1.0rc1, 2.1.0). ERROR: No matching distribution found for mysqlclient I even tried installing specific versions of mysqlclient: pip install mysqlclient==2.0.0 But I still get an error. -
DRF: Can't create object null. Error: value in column "network_from_id" violates not-null constraint
I want to create Transaction object. But have error: django/db/backends/utils.py", line 84, in _execute return self.cursor.execute(sql, params) django.db.utils.IntegrityError: null value in column "network_from_id" violates not-null constraint DETAIL: Failing row contains (6, 12, null, null). What is wrong in my code? And what is the proper way to create object with ModelViewSet? My code: models.py class Networks(models.Model): Name = models.CharField(max_length=50) ... class Transaction(models.Model): network_from = models.ForeignKey(Networks, on_delete=models.DO_NOTHING) network_to = models.ForeignKey(Networks, on_delete=models.DO_NOTHING) ... view.py class TransactionView(viewsets.ModelViewSet): serializer_class = TransactionSerializer queryset = Transaction.objects.all() def get_transaction_create_serializer(self, *args, **kwargs): serializer_class = TransactionSerializer kwargs["context"] = self.get_serializer_context() return serializer_class(*args, **kwargs) def create(self, request, *args, **kwargs): serializer = self.get_transaction_create_serializer(data=request.data) serializer.is_valid(raise_exception=True) self.perform_create(serializer) headers = self.get_success_headers(serializer.data) response = {"result": serializer.data} return Response( response, status=status.HTTP_201_CREATED, headers=headers ) serializers.py class TransactionSerializer(serializers.ModelSerializer): network_from = serializers.SerializerMethodField() network_to = serializers.SerializerMethodField() class Meta: model = Fee fields = '__all__' def create(self, validated_data): instance = super().create(validated_data=validated_data) return instance -
Django The current path, randombet/1, didn’t match any of these
I was greeted with this 404 when i tried to access http://192.168.68.106:8000/newapp/1 Using the URLconf defined in test_01.urls, Django tried these URL patterns, in this order: 1.admin/ 2.polls/ 3.newapp [name='index'] 4.newapp testform/ [name='testform'] 5.newapp thanks/ 6.newapp 1/ The current path, newapp/1, didn’t match any of these. following the poll tutorial on the official doc ( https://docs.djangoproject.com/en/4.0/intro/tutorial01/ ), the polls app works fine. and the newapp index also works. but when I try to add new pages to expand itno the app by creating new pages to it ( namely testform/, thanks/, 1/), I get a 404 in response. views.py from django.shortcuts import render from django.template import loader from django.http import HttpResponse, HttpResponseRedirect from django.urls import reverse from django.views import generic from .forms import TestForm class IndexView(generic.View): template_name = "newapp/index.html" def get(self, request, *args, **kwargs): context = { /mycontexts } return render(request, self.template_name, context) class TestForm(generic.edit.FormView): form = TestForm template_name = "newapp/form_test.html" success = "/thanks/" def thanks(request): return HttpResponse("thanks!") def test1(request): return HttpResponse("good") urls.py from . import views app_name = "newapp" urlpatterns = [ path("", views.IndexView.as_view(), name="index"), path("testform/", views.TestForm.as_view(), name="testform"), path("thanks/", views.thanks), path("1/", views.test1), ] what have be baffled is clearly the framework understand that I do have the view and … -
How to restrict content, search result by users origin
I hope someone would be able to give an answer or suggestion for the following. I have an application (Django/bootstrap/postgres) that contains books from in different languagues i.e. English, Arabic, Hindi, Bengali. I would like to restrict or control to view, search based on the users's origin. As an example, if an user logged in from UAE or Saudi Arabia, he will be able to search only all the books in English and Arabic like if someone logged in from India, he will be able to see books in Hindi and English. Any help would be much appreciated. -
Django, DRF: How do I prevent PageNumberPagination from issuing a count query for all but the first page?
How do I prevent PageNumberPagination from issuing a count query for all but the first page? I have managed to stop the pagination count query from being issued as shown below, but How can I make it so that no count queries are issued except for the first page (after page 1)? class CustomPaginatorClass(Paginator): @cached_property def count(self): return sys.maxsize class CustomPagination(PageNumberPagination): django_paginator_class = CustomPaginatorClass def paginate_queryset(self, queryset, request, view=None): page_size = self.get_page_size(request) if not page_size: return None paginator = self.django_paginator_class(queryset, page_size) page_number = int(self.get_page_number(request, paginator)) data = super().paginate_queryset(queryset, request, view=view) if not data and page_number > 1: raise NotFound("No data found for this page") return data def get_paginated_response(self, data): return Response( OrderedDict( [ ("next", self.get_next_link()), ("previous", self.get_previous_link()), ("results", data), ] ) ) -
Ember 4.1. Django rest json api. Access field choices from OPTIONS request in Ember data model or elsewhere
My DRF JSON API backend responds with a JSON on OPTIONS request. The OPTIONS response includes field choices declared on Django model. On my frontend, in my Ember 4.1 app I want to use these exact same choices on my form select. Is there a way to access these choices on my Ember model? and if so, How do I do it? Here's an example OPTIONS response: { "data": { "name": "Names List", "description": "API endpoint for Names", "renders": [ "application/vnd.api+json", "text/html" ], "parses": [ "application/vnd.api+json", "application/x-www-form-urlencoded", "multipart/form-data" ], "allowed_methods": [ "GET", "POST", "HEAD", "OPTIONS" ], "actions": { "POST": { "name": { "type": "String", "required": true, "read_only": false, "write_only": false, "label": "Name", "help_text": "name", "max_length": 255 }, "name-type": { "type": "Choice", "required": true, "read_only": false, "write_only": false, "label": "Name type", "help_text": "Name type", "choices": [ { "value": "S", "display_name": "Short" }, { "value": "L", "display_name": " ] } } } } } -
I uploaded my python project on linode cloud server
I uploaded my python project on linode cloud server yet it doesn't show up on the URL. It works fine on my local host, but after uploading the file on the server which I created on linode, the domain is still empty. Please I need help with this problem. -
Django server - unable to change robot.txt file
my desired robots.txt rule as follow, allow all bots, allow all files to be accessed (DIS ALLOW none), site map : theoriginalwebsitename.com/sitemap.xml User-agent: * Disallow: Sitemap: https://www.theoriginalwebsitename.com/sitemap.xml the above code is saved in server but when accessing from outside I get below User-agent: * Allow: / Sitemap: mywebsite/sitemap.xml I wonder why https://www.theoriginalwebsitename.com/sitemap.xml not comes in sitemap directory -
sync field that declared only in migrations with models.py file
I have model field that declared only in migration file, I need to declare it in models.py file, but when I'm trying to do that I'm getting this error: ValueError: Error adding translation field. Model 'MyModel' already contains a field named 'name_en'. -
why have we use the inline if else condition in this code how can it filter the element?
what we are using the inline if-else statement in this Django code and what is the use of the name__contains in the code. can someone please answer this question in a basic way? and last what is the use of __ in the django code > def home(request): > q = request.GET.get('q') **if request.GET.get('q') != None else ''** > rooms = Room.objects.filter(topic__name__contains = q) > topics = Topic.objects.all() > context = {'rooms':rooms, 'topics':topics} > return render(request,'home.html',context) -
Django @login_required doesn't work when login function has redirect
In login view I have: def login_signup(request): ... login(request, user) messages.success(request, 'You have successfully logged in to your account.') return redirect('user_app:profile') In some other function I have @login_required(login_url='/login/') but their redirect doesn't work and allways redirect to user_app:profile. How do I redirect a user to page he/she redirected from it to login page, and redirect to the profile page only when he/she referred directly to the login page? -
How to annotate to query with a custom function in Django ORM?
I have this model: class Brand(models.Model): name = models.CharField(max_length=32) and this function that returns a number that shows similarity between two strings (a number between 0 and 1). from difflib import SequenceMatcher def similar(a, b): return SequenceMatcher(None, a, b).ratio() I want to annotate a column to my query that shows similarity value between name and a string and order them by similarity. I wrote something like this but it won't work and I don't know how it works. Brand.objects.all().annotate( similarity=ExpressionWrapper(similar(F('name'), 'mercedes'), output_field=models.DecimalField()).order_by('similarity') ) If there is another way to do it please let me know. -
How to Solve template does not exist on hosting on PythonAnywhere
I made a project and I want to host this on PythonAnywhere But If I run My Application I M having Template Does Not Exist Error .. Setting.py BASE_DIR = Path(__file__).resolve().parent.parent # Quick-start development settings - unsuitable for production # See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/ # SECURITY WARNING: keep the secret key used in production secret! SECRET_KEY = 'django-insecure-_5&ew#uj!u(kjfmo7b@nxh9=o6fg4!8t3u2a9yj*@vti2u7i^u' # SECURITY WARNING: don't run with debug turned on in production! DEBUG = True ALLOWED_HOSTS = ['manojgupta143.pythonanywhere.com'] # Application definition INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'Blog', 'taggit', ] this is my setting file Where I Defined My setting Of Template **Folder Structure Where My Template Folder Exists ** /home/manojgupta143/Blog-project-with-django/templates/blog If I Run Web Page M Having These Type Of Error ImportError at / Module "django.template.backends.django" does not define a "Django/Templates" attribute/class Request Method: GET Request URL: http://manojgupta143.pythonanywhere.com/ Django Version: 3.2 Exception Type: ImportError Exception Value: Module "django.template.backends.django" does not define a "Django/Templates" attribute/class Exception Location: /home/manojgupta143/.virtualenvs/myproj/lib/python3.9/site-packages/django/utils/module_loading.py, line 22, in import_string Python Executable: /usr/local/bin/uwsgi Python Version: 3.9.5 Python Path: ['/home/manojgupta143/Blog-project-with-django/', '/var/www', '.', '', '/var/www', '/usr/local/lib/python39.zip', '/usr/local/lib/python3.9', '/usr/local/lib/python3.9/lib-dynload', '/home/manojgupta143/.virtualenvs/myproj/lib/python3.9/site-packages'] Server time: Sat, 05 Feb 2022 07:59:23 +0000 web Page Configuration Source code: /home/manojgupta143/Blog-project-with-django/ Go to directory Working directory:/home/manojgupta143/ WSGI configuration file:/var/www/manojgupta143_pythonanywhere_com_wsgi.py Python … -
Python Django, how to view all the content of registration for user profile. it only shows the email
Python Django, how to view all the content of registration for user profile. it only shows the email. views.py def Unreg(request): if request.method=='POST': form = NewACCForm(request.POST) if form.is_valid(): form.save() messages.success(request,"The New User is save !") else: messages.error(request, "Duplicate Record") return render(request,'Registration.html') def loginpage(request): if request.method == "POST": try: Userdetails=acc.objects.get( Q(email=request.POST['email']) | Q(uname=request.POST['email']), pwd=request.POST['pwd'] ) print("Username=",Userdetails) request.session['email']=Userdetails.email request.session['pwd']=Userdetails.pwd return render(request,'Logout.html') except acc.DoesNotExist as e: messages.success(request,' Username / Password Invalid.') return render(request,'Login.html') def logout(request): try: del request.session['email'] uname = request.session['uname'] except: return redirect('Loginpage') return redirect('Loginpage') logout.html {{request.session.email}} <button onclick="myFunction()"><a href="{% url 'Loginpage' %}">Logout</a></button> <script> function myFunction() { if (confirm("Are you sure you want to logout?")) { } else { } } </script> -
Django DRF POST Changes not Persisting (Resets Data after Refresh)
I have been working with DRF recently , and actually have something surprising to share :- I try to post the request to an endpoint that i have created , **views.py** class SettingsAPI(APIView): @classmethod def post(self,request,pk): shop_token = request.session.get('shop_token') if request.session.get('shop_token') else "" shop_domain = request.session.get('shop_domain') if request.session.get('shop_domain') else "" store = Store.find_store_by_url(shop_domain) if not store: return JsonResponse({'status':'failed','msg':'invalid request'}) data = json.loads(json.dumps(request.data)) settings = get_object_or_404(Setting,pk=pk) serializer = SettingSerializer(settings, data = request.data) if serializer.is_valid(): serializer.save() return JsonResponse({'status':'success'}) @classmethod def get(self,request,pk): settings = get_object_or_404(Setting,pk=pk) if settings: serializer = SettingSerializer(settings) return JsonResponse({'status':'success','data':serializer.data}) return JsonResponse({'status':'failed'}) **urls.py** path('v1/page/settings/<int:pk>',SettingsAPI.as_view(),name='pagerud-settings-api'), **serializer.py** class SettingSerializer(serializers.ModelSerializer): class Meta: model = Setting fields = "__all__" And i am using vue js , to send the request like this. const settings_data = { "store": this.store.store_id, "header_background_color": `${this.settings.header_background_color}`, "header_font_color": `${this.settings.header_font_color}`, "page_background_color": `${this.settings.page_background_color}`, "card_background_color": `${this.settings.card_background_color}`, "card_font_color": `${this.settings.card_font_color}`, "header_message": `${this.settings.header_message}`, "header_message_optional": `${this.settings.header_message_optional}`, "button_background_color": `${this.settings.button_background_color}`, "button_font_color": `${this.settings.button_font_color}` } models.py class Setting(models.Model): header_background_color = models.CharField(max_length=200,null=True,blank=True,default='#212529') header_font_color = models.CharField(max_length=200,null=True,blank=True,default='white') page_background_color = models.CharField(max_length=200,null=True,blank=True,default='white') card_background_color = models.CharField(max_length=200,null=True,blank=True,default='whitesmoke') card_font_color = models.CharField(max_length=200,null=True,blank=True,default='white') button_background_color = models.CharField(max_length=200,null=True,blank=True,default='#212529') header_message = models.CharField(max_length=200,null=True,blank=True,default="""Hi, Add Your Greeting Message here""") header_message_optional = models.CharField(max_length=200,null=True,blank=True , default="Thanks for purchasing the order") button_font_color = models.CharField(max_length=200,null=True,blank=True,default='white') store = models.OneToOneField( Store, on_delete=models.CASCADE, primary_key=True, related_name='settings' ) def __str__(self) -> str: return self.store.store_name All works well, … -
Domain based email senders in app engine in a django application
I have a google app engine django application, I want to send emails through a custom domain mail. When I try to add the domain mail user@domain.com to mail senders in app engine, I get the error : The following emails could not be added because they are on a different domain. The email must be associated with a Google Apps domain or Google group. If the email is associated with a Google group, your role in the group must be Owner or Manager: The site is hosted on google domains and registered on Google Workspace. I have added the google SPF Record and the email is the owner of the domain yet still produces the error. I have added the DNS Records to the Google Domain Records, yet it cannot allow the email to be added to the email senders on app engine. Is there a way I can make it work other than using other party mail senders like sendgrid -
how to pause setInterval and resume if there is new data from database?
How to pause setInterval if all data from the database are loaded and resumes if there is new data from the database without manual page refresh? The problem with this if I will not use clearinterval(), it will keep on fetching the data repeatedly and will populate the chart with the same data. <script> const ctx = document.getElementById('myChart').getContext('2d'); const myChart = new Chart(ctx, { type: 'bar', data: { labels: [], datasets: [{ label: '# of Votes', data: [], backgroundColor: [ 'rgba(255, 99, 132, 0.2)', 'rgba(54, 162, 235, 0.2)', 'rgba(255, 206, 86, 0.2)', 'rgba(75, 192, 192, 0.2)', 'rgba(153, 102, 255, 0.2)', 'rgba(255, 159, 64, 0.2)' ], borderColor: [ 'rgba(255, 99, 132, 1)', 'rgba(54, 162, 235, 1)', 'rgba(255, 206, 86, 1)', 'rgba(75, 192, 192, 1)', 'rgba(153, 102, 255, 1)', 'rgba(255, 159, 64, 1)' ], borderWidth: 1 }] }, options: { scales: { y: { beginAtZero: true } } } }); $(document).ready(function(){ var timer = setInterval(function(){ var postt = $.ajax({ type:'GET', url: "{% url 'post' %}", success: function(response){ console.log(response.post) var count = 0; var total = response.post.length for(var key in response.post) { myChart.data.labels.push(response.post[key].date); myChart.data.datasets.forEach((dataset) => { dataset.data.push(response.post[key].number); myChart.update(); }); count++; //} console.log( myChart.data.labels.length) } console.log(count) if(count == total){ // <--- stops the setInterval … -
How to stop Getting 405 error Method not allowed?
I am trying to make my django project to work but somehow I always come to get this error Method Not Allowed (POST): / I have tried using decorators like @csrf_exempt like in the django documentation as to not encounter csrf errors and yet I came to this error.Please tell me what's the problem with my code... urls.py from test.views import HomePageView,predict urlpatterns = [ path('', HomePageView.as_view(), name="homepage"), path('predict', predict, name="predict"),] views.py @csrf_exempt def predict(self, request, *args, **kwargs): text = self.request.get_json().get('message') # check if text is valid response = get_response(text) message = {'answer': response} return JsonResponse(message) app.js onSendButton(chatbox) { var textField = chatbox.querySelector('input'); let text1 = textField.value if (text1 === "") { return; } let msg1 = { name: "User", message: text1 } this.messages.push(msg1); fetch( $SCRIPT_ROOT+'/predict',{ method: 'POST', body: JSON.stringify({ message: text1 }), mode: 'same-origin', headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'X-CSRFToken':csrftoken, }, }) .then(r => r.json()) .then(r => { let msg2 = { name: "Sam", message: r.answer }; this.messages.push(msg2); this.updateChatText(chatbox) textField.value = '' }).catch((error) => { console.error('Error:', error); this.updateChatText(chatbox) textField.value = '' }); } homepage.html <div class="container"> {% csrf_token %} <div class="chatbox"> <div class="chatbox__support"> <div class="chatbox__header"> <div class="chatbox__image--header"> <img src="https://img.icons8.com/color/48/000000/circled-user-female-skin-type-5--v1.png" alt="image"> </div> <div class="chatbox__content--header"> <h4 class="chatbox__heading--header">Chat support</h4> <p class="chatbox__description--header">Hi. My name … -
AgoraRTC_N-production.js.map django video web application
DEVTOOLS FAILED TO LOAD SOURCE MAP AgoraRTC_N-production.js.map AgoraRTC_N-production.js.map is not loading to source map in Google Chrome. It is in static/assets AgoraRTC_N-production.js.map It is like zoom meeting function by AgroaRTC. -
How to get only one random element from object?
My model.py is this. class Country(models.Model): country_name = models.CharField(max_length=200) country_fact = models.CharField(max_length=1000) country_capital = models.CharField(max_length=100) country_flags = models.ImageField(upload_to='flags') View.py is this def index(request): country = Country.objects.all() return render(request,'index.html',{'country':country}) I'm retrieving those data in HTML by using this {% for count in country %} <img src="{{ count.country_flags.url }}"> This retrieves all the country images from the database(I'm using Postgresql). I want to retrieve only one random country flag from the database. How can I achieve this? Thanks for the help. -
Use PHP to handle GET requests with flask
Hello I am kind of a newbie to web development so I have a question that if I use python (flask or django) how can I use PHP to handle get requests? Thanks to any help! -
How to load data lazily in Django admin list page
I have a lot of annotations in admin page by customizing def get_queryset(self, request: HttpRequest) -> QuerySet: in ModelAdmin and using them in list_display. This has made admin page loading extremely slow. Is there a way to load the annotated fields lazily for each row in django admin list page? For example I rewrite the get_queryset and load the other data separately for each row lazily. I appreciate any help or idea:)
