Django community: RSS
This page, updated regularly, aggregates Django Q&A from the Django community.
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No indentations for the options in the select box in an inlined table (Django MPTT)
I created many-to-many relationship with the tables "Category", "Product" and "CategoryProduct" which is the middle table between "Category" and "Product": "models.py": from django.db import models from mptt.models import MPTTModel, TreeForeignKey class Category(MPTTModel): name = models.CharField(max_length=50, unique=True) parent = TreeForeignKey( "self", on_delete=models.CASCADE, null=True, blank=True, related_name="children" ) class MPTTMeta: order_insertion_by = ["name"] def __str__(self): return self.name class Product(models.Model): name = models.CharField(max_length=100) def __str__(self): return self.name class CategoryProduct(models.Model): category = models.ForeignKey(Category, on_delete=models.CASCADE) product = models.ForeignKey(Product, on_delete=models.CASCADE) class Meta: unique_together = [['category', 'product']] Then, I registered "Category" and "Product" inlined "CategoryProduct" to: "admin.py": from django.contrib import admin from mptt.admin import MPTTModelAdmin from .models import Category, Product, CategoryProduct admin.site.register(Category, MPTTModelAdmin) class CategoryProductInline(admin.TabularInline): model = CategoryProduct @admin.register(Product) class ProductAdmin(admin.ModelAdmin): inlines = [CategoryProductInline] Then, I added some categories and as you can see, the options in the select box of "Parent" have indentations: But when I tried to add a product, as you can see, the options in the select box of "Category" don't have indentations: Is it possible to give indentations to the options in the select box of "Category"? If possible, how can I do this? -
Django : Create a Form for a dropdown list depending of ID User and Models
I am Newbee in Django. I want to create a Form for a dropdown list. The Dropdown list should show different choices depending on User and the models. I did something directly on the view.py that displays the choices without using a Form from Django and it does not store it. So it is not ideal for what I want to do after the POST. Here are my Models.py class TblAadJntGroup(models.Model): id = models.AutoField(db_column='ID', primary_key=True) # Field name made lowercase. id_aadgroup = models.IntegerField(db_column='ID_AADGroup', blank=True, null=True) # Field name made lowercase. id_aaduser = models.IntegerField(db_column='ID_AADUser', blank=True, null=True) # Field name made lowercase. createdon = models.DateTimeField(db_column='CreatedOn', blank=True, null=True) # Field name made lowercase. createdby = models.CharField(db_column='CreatedBy', max_length=255, blank=True, null=True) # Field name made lowercase. class Meta: managed = False db_table = 'tbl_AAD_jnt_Group' class TblAadGroups(models.Model): id = models.AutoField(db_column='ID', primary_key=True) # Field name made lowercase. idcustomer = models.IntegerField(db_column='IDCustomer', blank=True, null=True) # Field name made lowercase. displayname = models.CharField(db_column='DisplayName', max_length=255, blank=True, null=True) # Field name made lowercase. timestampm = models.DateTimeField(db_column='TimeStampm', blank=True, null=True) # Field name made lowercase. username = models.CharField(max_length=255, blank=True, null=True) class Meta: managed = False db_table = 'tbl_AAD_Groups' So to get the data that I want to display in the dropdown. I start to … -
Django migrations circular dependency what is the best practice?
I would like to know the best practice to handle CircularDependency when migrating apps. Our CRM has two Apps with several model fields depending on each other. We need to reconstruct the database everyday and this lead us to regenerate and apply migrations everyday. In our code the foreign keys are referenced with : model_name = models.ForeignKey('app.model', ...) So no issues at runtime. But at night, when we regenerate and apply the migrations, we made a migrate script that basically swaps the foreign keys as IntegerField to prevent CircularDependencyError and reswaps them after the depencies are solved. Is there a better way to do this ? -
How to get model objects with AJAX?
I have a Customer model in my Django application. New users are constantly being added to this model in the background and I want to list these customers dynamically with AJAX. But I cannot figure it out. How can I do that? def ajax_view(request): obj = Customer.objects.filter(company=request.user.company) customers = [] for customer in obj: customers.append(customer) data = { "obj": customers } return JsonResponse(data) html <h3 id="status"></h3> <script> var refresh = setInterval(function() {$.ajax({ url: "{% url 'user:ajax_customer' %}", type: "GET", dataType: 'json', success: function (data) { if (data) { console.log(data); console.log(status); document.getElementById("status").innerHTML = data.obj; } } });}, 1000); </script> I try to do that but It gives an error: TypeError: Object of type Customer is not JSON serializable -
Django setUpTestData does not deepcopy related files
I want to use django setUpTestData to prepare some heavy data shared between multiples unit tests. Instances of my Model are created with some file fields. However, from one test to another, file contents are not renewed, it has side effects between my tests here is a minimalist example : models.py from django.db import models class MyModel(models.Model): my_file = models.FileField(upload_to="tests/") test.py from django.core.files.base import ContentFile from django.test import TestCase from core.models import MyModel class Test(TestCase): @classmethod def setUpTestData(cls): cls.instance = MyModel() cls.instance.my_file.save("file.txt", ContentFile("Hello from setUpTestData")) def test_a(self): with open(self.instance.my_file.path, "r") as fp: self.assertEqual(fp.read(), "Hello from setUpTestData") self.instance.my_file.save("file.txt", ContentFile("Modified data")) def test_b(self): with open(self.instance.my_file.path, "r") as fp: self.assertEqual(fp.read(), "Hello from setUpTestData") self.instance.my_file.save("file.txt", ContentFile("Modified data")) Running any of the two test alone works, however running one after the other one fails: AssertionError: 'Modified datatUpTestData' != 'Hello from setUpTestData' - Modified datatUpTestData + Hello from setUpTestData How to ensure that file are correctly reset? Am I concerned by theses lines from the documentation ? Objects assigned to class attributes in setUpTestData() must support creating deep copies with copy.deepcopy() I feel like fileField should be handled by default by Django but it doesn't work, what should I do? Should I try to override __deepcopy__ … -
Custom command line parameter for testing
I found a way to pass a custom parameter to Django testing from command line: class TestRunner(DiscoverRunner): @classmethod def add_arguments(cls, parser): DiscoverRunner.add_arguments(parser) parser.add_argument('-b', '--browser', help='Browser test') But how can I get this parameter value inside my TestCase ? -
Why in unit test object's field doesn't change in Django
I don't understand why my test doesn't work. I have a page with product. There is a form with button 'Buy product'. After pushing this button, if a client have enough money, the item will bought and the ammount of money in the account will change. But in my test the ammount of money will be the same after buying a product, although the object(purchased item) will be created. Purchased item model: class BoughtItem(models.Model): name = models.CharField(max_length=100, verbose_name='Название товара или акции', blank=True) price = models.IntegerField(verbose_name='Цена', blank=True) created_at = models.DateTimeField(auto_now_add=True) Profile model: class Profile(models.Model): user = models.OneToOneField(User, on_delete=models.CASCADE) money = models.IntegerField(default=0) form: class BuyForm(forms.ModelForm): class Meta: model = BoughtItem fields = ('name',) widgets = {'name': forms.HiddenInput()} view: class ItemDetailView(generic.DetailView): model = Item template_name = 'item_detail.html' context_object_name = 'item' def get_object(self, queryset=None): return get_object_or_404(Item, pk=self.kwargs.get('pk')) def post(self, request, *args, **kwargs): buy_form = BuyForm(request.POST) if buy_form.is_valid(): purchase = buy_form.save(commit=False) item = self.get_object() user = Profile.objects.get(user__username=request.user.username) if user.money >= item.price: sum_difference = user.money - item.price user.money = sum_difference user.save() purchase.name = item.name purchase.price = item.price purchase.save() return HttpResponseRedirect(reverse('account', kwargs={'username': request.user.username})) else: return HttpResponseRedirect(reverse('purchase_error')) else: return render(request, 'item_detail.html', context={'buy_form': buy_form, 'object': self.get_object()}) urls: urlpatterns = [ path('shop_list/', ShopListView.as_view(), name='shop_list'), path('<str:name>', ItemListView.as_view(), name='shop_detail'), path('item/<int:pk>', ItemDetailView.as_view(), name='item_detail'), … -
define a Generic, non serialising field in django rest serializers
This is just a layout of my serializer class SerializerA(serializers.ModelSerializer): field_a = serializers.SerializerMethodField() field_b = serializers.SerializerMethodField() field_c = serializers.SerializerMethodField() field_d = serializers.SerializerMethodField() class Meta: model = TestModel fields = ("field_a", "field_b", "field_c", "field_d", "name", "designation") def get_field_a(self, obj): temp = TempUserModel.objects.get(pk=obj.uuid) field_a = "some ORM query related to temp and TestModel model" return field_a def get_field_b(self, obj): temp = TempUserModel.objects.get(pk=obj.uuid) field_b = "some ORM query related to temp and TestModel model" return field_b def get_field_c(self, obj): temp = TempUserModel.objects.get(pk=obj.uuid) field_c = "some ORM query related to temp and TestModel model" return field_c def get_field_d(self, obj): field_d = "some ORM query related to TestModel model" return field_d Here temp = TempuserModel.objects.get(pk=obj.uuid) is same in 3 out of 4 of the class methods. So is there any way that I can define it once somewhere in a serializer loop and use it without doing the same ORM query again and again? -
Count the courses that a particular instructor has created
I am building an elearning platform where an instructor can create courses. I am facing a problem when displaying the number of courses that a particular instructor has. I wanted to count the number of courses that the instructor has created. However, my code displays all the courses that are in the database. Please help. index.html <div class="col-xl-3 col-md-6 mb-4"> <div class="card border-left-info shadow h-100 py-2"> <div class="card-body"> <div class="row no-gutters align-items-center"> <div class="col mr-2"> <div class="text-xs font-weight-bold text-info text-uppercase mb-1">Total Courses </div> <div class="row no-gutters align-items-center"> <div class="col-auto"> <div class="h5 mb-0 mr-3 font-weight-bold text-gray-800">{{ course_count }}</div> </div> </div> </div> <div class="col-auto"> <i class="fas fa-clipboard-list fa-2x text-gray-300"></i> </div> </div> </div> </div> views.py def instructorDashboard(request): customer = Users.objects.all() course = Course.objects.all() course_count = course.count() context = {'customer':customer, 'course_count': course_count} return render(request, 'instructor_dashboard/index.html', context) -
graphene-django send Arries to front-end barchart
I have connected to sql server database and have got table data from columns of tables. Now I want to cretae 2 list of data set for xand y dirextion to show them i a barchart in Vuejs. I know how to send sting and integer, but how to send tw0 dataset for x and y valuse to show in barchart? thanks -
I changed the class name in document via "getElementById" but it doesn't take effect [duplicate]
Thank you for advance. I changed the class name in JavaScript, but it doesn't change. [javascript] for (i = 0; i < storeBtns.length; i++) { storeBtns[i].addEventListener('click', function(){ document.getElementById(this.dataset.product).class = 'btn-primary'})} When I check (document.getElementById(this.dataset.product).class by adding alert to the bottom line, "btn-primary" appears, but this does not apply in the page. What should I do? I also tried with classList.add , but it didn't work, so I was wondering if there is anything else to do, such as returning document . Thank you. -
Django rest framework: Mixed content
I am quite new in Django rest framework. I have a project which contain Django restframework API inside a Django site project(with simple frontend code) and it works fine in my local environment. However in the production domain(HTTPS) it shows as below: Mixed Content: The page at 'https://<my production domain>/audience/labeling_jobs/' was loaded over HTTPS, but requested an insecure XMLHttpRequest endpoint 'http://<my production domain>/audience/labeling_jobs/api/jobs/?page=2'. This request has been blocked; the content must be served over HTTPS. I have setup the configuration about SSL/HTTPS according to Django document SSL/HTTPS beforehand but it still got this error. USE_X_FORWARDED_HOST = True SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https') SESSION_COOKIE_SECURE = True CSRF_COOKIE_SECURE = True SECURE_CONTENT_TYPE_NOSNIFF = True SECURE_HSTS_INCLUDE_SUBDOMAINS = True SECURE_HSTS_PRELOAD = True SECURE_SSL_REDIRECT = True It seems that the Django rest cannot get the correct HTTPS, but it works fine with other django paths, they can be showed on the production page. Is there anything I have missed? -
How to call an API constantly with a function?
I have a customer management system. I am using an API to get all of the customers. It works perfectly. I am using an ID, if there is no customer who has this ID, then it creates a new customer. Here is my code for that: def handle_get_customers(company): customer_service = requests.get(settings.API_ADDRESS + "customer/get/all", headers={'Authorization': "Bearer " + token_key}).json() service_customers = [] for customer in customer_service["data"]: service_customers.append(customer) for person in service_customers: new_customer, obj = Customer.objects.get_or_create(api_id=person["id"]) new_customer.customer_name = person["name"] country, d = Country.objects.get_or_create(country_name=person["countryName"]) new_customer.country = country new_customer.address = person["fullAddress"] new_customer.phone_number = person["phoneNumber"] new_customer.email_address = person["email"] new_customer.currency_choice = person["currency"] new_customer.api_id = person["id"] new_customer.company = company new_customer.save() return service_customers And I am listing all customers on a page. It has a basic listing function like; def customer_list(request): current_user = request.user handle_get_customers(current_user.company) customer_list = Customer.objects.filter(company=current_user.company) context = { 'customer_list': customer_list, } return render(request, 'customer_list.html', context) I want to get all new companies without refreshing the page. I don't know if I can use Ajax for that but I guess the handle_get_customers function should work constantly but I cannot figure out how can I do it? -
Django set value of ForeignKey field in ModelForm upon submission
I have RequisitionModel that takes siteID from my User model as its ForeignKey. How do I have RequisitionModelForm pull the current user's siteID and pass it into the form? *I do not want the HTML template to display the siteID field, but have it set in the "background" upon form submission. forms.py class RequisitionModelForm(forms.ModelForm): class Meta: model = MaterialRequisition fields = ( 'reqDescription', 'reqDateNeeded', 'reqItems' ) widgets = { 'reqDateNeeded': forms.DateInput(attrs={'type': 'date'}), } def __init__(self, *args, **kwargs): super(RequisitionModelForm, self).__init__(*args, **kwargs) queryset=Item.objects.all(), widget=forms.CheckboxSelectMultiple, ) models.py class MaterialRequisition(models.Model): req = models.AutoField(primary_key=True) #change to UUIDField if needed site = models.ForeignKey("project_site.Site", related_name='destinationSite', on_delete=models.CASCADE) reqDescription = models.CharField(max_length=1000, blank=True) reqDateSubmitted = models.DateTimeField(auto_now=True) reqDateNeeded = models.DateField(auto_now=False) reqItems = models.ManyToManyField( Item, through="MaterialRequisitionItems", through_fields=('reqID', 'itemID'), related_name="mat_req_items" ) -
How to show foregin key of another django model in django admin fields or django admin fieldsets
I have two Django models: Bot and Seller. class Bot (models.Model): nick_name = models.CharField (verbose_name="Nick Name", max_length=100) wallet_coins = models.CharField (verbose_name="Bot Coins", max_length=30, default="0") wallet_coins_initial = models.CharField (verbose_name="Initial Coins", max_length=30, default="0") order_amount = models.CharField (verbose_name="Order Amount", max_length=30, default="0") ## it's obtained from sum of initial-coins and order-amount: final_coins = models.CharField (verbose_name="Final Coins", max_length=30, default="0") class Seller (models.Model): bot = models.ForeignKey ('Bot', on_delete=models.CASCADE, verbose_name="Bot Name", blank=True, null=True) market = models.ManyToManyField ('MarketTransfer', verbose_name="Market Card(s)") name = models.CharField (verbose_name="Seller Name", max_length=100) price_ratio = models.CharField (verbose_name="Price Ratio", max_length=10, default="1.5") emulate_final_coins = models.CharField ( verbose_name="Emulated Final Coins", max_length=30, default="0") When i want to use fields or fieldsets property to change the order of fields, i see error below: Picture of Error: https://imgur.com/a/HxgcN24 FieldError at /admin/ea_app/seller/1/change/ Unknown field(s) (show_bot_name) specified for Seller. Check fields/fieldsets/exclude attributes of class SellerAdmin. I want to change the location of fields in Django Admin. codes below works without problem. but i need to change the locations. unfortunately i see error (picture above). class SellerAdminInLine (admin.TabularInline): model = Seller.market.through verbose_name = "In-Use Cards" verbose_name_plural = "In-Use Cards" class SellerAdmin (admin.ModelAdmin): readonly_fields = ['total_price', 'show_bot_coins', 'show_bot_final_coins', 'emulate_final_coins'] list_per_page = 10 list_display_links = ['name'] list_display = ['name', 'wallet_coins', 'price_ratio', 'show_bot_name', 'show_bot_coins', 'added_at'] search_fields = … -
Django - AWS Elastic beanstalk- I was following the Aws documentation - Error: $ eb --version bash: eb: command not found
I was following the AWS documentation, have done - pip install awsebcli in gitbash when I checked for version (eb --version) it has thrown me the error - bash: eb: command not found what should I do - is that a path error - if so how should I correct it?? I appreciate your help -
Django orm foreignkey get latest data
reference class Model1(model.Model): master = models.ForeignKey(User, on_delete=models.CASCADE) member = models.ForeignKey(User, on_delete=models.CASCADE) status = models.PositiveIntegerField(default=0) class Model2(models.Model): model1 = models.ForeignKey(Model1, on_delete=models.CASCADE) writer = models.ForeignKey(User, on_delete=models.CASCADE) text = models.TextField() created_at = models.DateTimeField(auto_now_add=True, null=True) How to get latest model2 data I want to have response{ master="USER1", member="USER2", status=0, last_content="latest Model2 text" last_date="2020.03.21" } Is there any better way instead of subquery? -
Heroku ModuleNoteFoundError with django-qr-code
I am currently working on the Backend of my small application. During deployment, I am getting the following error: ModuleNotFoundError: No module named 'qr_code' I am not using the pypi qrcode library, instead I am using the django-qr-code library https://django-qr-code.readthedocs.io/en/latest/pages/README.html My Requirements.txt > asgiref==3.5.0 backports.entry-points-selectable==1.1.1 certifi==2021.10.8 distlib==0.3.4 dj-database-url==0.5.0 Django==4.0.3 django-heroku==0.0.0 django-qr-code==3.0.0 filelock==3.4.0 gunicorn==20.1.0 Pillow==9.0.1 pipenv==2021.11.23 platformdirs==2.4.0 segno==1.4.1 six==1.16.0 sqlparse==0.4.2 virtualenv==20.10.0 virtualenv-clone==0.5.7 whitenoise==6.0.0 My settings.py INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.messages', 'django.contrib.staticfiles', 'django.contrib.sessions', 'sendqr', 'qr_code', ] Somehow Heroku can't seem to properly find the django-qr-code library even though it is inside of my requirements.txt. Is there a way to maybe manually push it onto the heroku server or something? -
New clients cannot connect to Django site when site are being used by other clients
We have a Django based web application that is being deployed with Apache and mod_wsgi. The users logs in and can start some CPU-bound processes that can take up to 1-2 minutes. Our problem is, when these CPU-bound processes are being run, the new clients cannot even load the site. Even if they can load it and enter their credentials and press log in button, the site is not opening before the ongoing processes are completed. DEBUG option is False in deployment environment. We are not using django.contrib.staticfiles serve() function to serve our static files. How can I find the reason behind this delay? I suspect that this happens because static content are not being served with a different server? How can I make sure that this is the problem? If that is the problem, can serving the static files with a different virtual host solve the issue? Due to company policy, I cannot share the code directly here. However please let me know if there is any other information I need to elaborate. Thanks for your time and attention in advance. -
django-import-export does not export child class
I wanted to export the parent class of the models alongside with related child class included, but after exporting csv file, only data from parent class is present except for child class. I'm not sure what did I do wrong. class Membership(models.Model): name = models.CharField(max_length=128) email = models.EmailField() class References(models.Model): member = models.ForeignKey('Membership', on_delete=models.CASCADE, blank=True, null=True) name = models.CharField(max_length=128, blank=True, null=True) contact_details = models.CharField(max_length=128, blank=True, null=True) here's my resources.py class MemberResources(resources.ModelResources): reference_name = Field(attribute='name', widget=ForeignKeyWidget(References, 'name') class Meta: model = Membership admin.py class MembershipAdmin(ExportActionMixin, admin.ModelAdmin): resource_class = MemberResources admin.site.register(Member, MembershipAdmin) I attempted using ForeignKeyWidget but the reference_name is still blank even theres data inside the instance -
Python Django | POST method with nested object. NOT NULL constraint failed
My point is to implement the post method with a nested object which has just ID. When I use all fields of a nested object post method works fine. But I'd like to pass just one field and it is ID, other fields gotta be unrequired Now I'm getting the error like NOT NULL constraint failed: article_article.author_id models.py class Author(models.Model): first_name = models.CharField(max_length=20, blank=True, null=True) last_name = models.CharField(max_length=20, blank=True, null=True) nickname = models.CharField(max_length=20, blank=True, null=True) def __str__(self): return self.nickname class Article(models.Model): title = models.CharField(max_length=120, unique=True) description = models.TextField(blank=True) author = models.ForeignKey(Author, on_delete=models.CASCADE, related_name='articles') created_at = models.DateTimeField(auto_now_add=True, blank=True) updated_at = models.DateTimeField(auto_now=True, blank=True) def __str__(self): return self.title views.py class ArticleView(APIView): def get(self, request, pk=None): if pk: article = Article.objects.get(pk=pk) serializer = ArticleSerializer(article, many=False) else: articles = Article.objects.all() serializer = ArticleSerializer(articles, many=True) return Response(serializer.data) def post(self, request): data = request.data serializer = ArticleSerializer(data=data) if serializer.is_valid(raise_exception=True): article_saved = serializer.save() return Response({"success": "Article '' created successfully".format(article_saved.title)}, status=status.HTTP_201_CREATED) serializers.py class AuthorSerializer(serializers.Serializer): first_name = serializers.CharField(required=False) last_name = serializers.CharField(required=False) nickname = serializers.CharField(required=False) class ArticleSerializer(serializers.Serializer): title = serializers.CharField(max_length=120) description = serializers.CharField() author = AuthorSerializer(required=False) def create(self, validated_data): author_data = validated_data.pop('author', None) if author_data: author = Author.objects.get_or_create(**author_data)[0] validated_data['author'] = author return Article.objects.create(**validated_data) -
How I implement webscoket in django Anyone knows about Websocket implementation in Django rest Framework or Django?
#routing.py re_path(r'sock/WebsocketDjangoRest/(?P<room_name>\w+)/', consumers.WebsocketDjangoRest.as_asgi()), #consumer.py class WebsocketDjangoRest(AsyncWebsocketConsumer): async def connect(self): self.room_name = self.scope['url_route']['kwargs']['room_name'] self.room_group_name = 'chat_%s' % self.room_name # Join room group await self.channel_layer.group_add( self.room_group_name, self.channel_name ) await self.accept() # Receive message from WebSocket async def receive(self, text_data): text_data_json = json.loads(text_data) message = text_data_json['message'] # Send message to room group await self.channel_layer.group_send( self.room_group_name, { 'type': 'chat_message', 'message': message } ) # Receive message from room group async def chat_message(self, event): message = event['message'] # Send message to WebSocket await self.send(text_data=json.dumps({ 'message': message })) async def disconnect(self, close_code): # Leave room group await self.channel_layer.group_discard( self.room_group_name, self.channel_name ) This is a code that Django channels provide us. I am using postman and now i have to check both consumer are connected with the same room name and send message to the each other. Everything is working fine. so when i send a message to the other end it not send and disconnect the websocket. I want to send messsage to the other end in postman and he can as well with the same room name. Here are some images u can see that NOw i have to send message from one to other and receiev that message and vice versa -
No module named 'templates'
Need Help!!! I am learning tag. I got the following response after running. "django.template.library.InvalidTemplateLibrary: Invalid template library specified. ImportError raised when trying to load 'templates.my_tags': No module named 'templates'" Django version: 3.2.7 my_tags.py from django import template register = template.Library() @register.simple_tag def mul(v1, v2, v3): index.html {% load my_tags %} setting.py TEMPLATES = [{"libraries":{'my_tags':'templates.my_tags'}] -
What is the best way to query and send position of the celery task in queue over an api or websocket
Currently on my project I am trying to get a task running which updates contionusly the number of tasks in queue before that respective task, so the approach I am using is to call a celery task(processingTask) which does the actual processing work inside another celery task(queueUpdatingTask)(which sends a message over websocket about the queue status) So i am trying something like below, /tasks.py @shared_task def sample(): time.sleep(10) return "Dummy task" @shared_task def processingTask(): # some processing @shared_task def queueUpdatingTask(): print("***** Started task trigger and monitor *****") channel_layer = get_channel_layer() loop = asyncio.new_event_loop() new_task = processingTask.apply_async(args=[], kwargs={}, queue='default') # Send update message if the task has entered execution while True: # Break if the task is completed if new_task.ready() and new_task.state == "SUCCESS": send_channel_message_update( channel_layer, loop, new_task.id, f"{new_task.result}", receiver_type="update_status", job_title="Queue Status" ) print("***** Finished task trigger and monitor *****") break # Break if the task is started elif new_task.state == "STARTED": send_channel_message_update( channel_layer, loop, new_task.id, f"{new_task.state}", receiver_type="update_status", job_title="Queue Status" ) print("***** Started task trigger and monitor *****") break # Send update message if the task is still in the queue elif new_task.state == "PENDING": s, i = get_running_tasks(new_task.id) send_channel_message_update( channel_layer, loop, new_task.id, f"{s}", receiver_type="update_status", job_title="Queue Status" ) print("***** In progress … -
Why my queryset filter for creating electricity bill is not working?
I was working on a project in which a user creates some members(model) and their electricity bills (this is also a model) but when I'm applying queryset to ElectricityForm it's showing errors. KeyError at /bills/electricity/create/ my members/models.py from django.db import models import uuid from django.contrib.auth import get_user_model from phonenumber_field.modelfields import PhoneNumberField class Member(models.Model): id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False) created_by = models.ForeignKey(get_user_model(), on_delete=models.CASCADE,related_name="members") name = models.CharField(max_length=250) email_address = models.EmailField(max_length=252, null=False, blank=False, unique=True) phone_no = PhoneNumberField() def __str__(self): return str(self.id) my electricity_bills/models.py from django.db import models from members.models import Member import uuid import datetime class ElectricityBill(models.Model): id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False) member = models.ForeignKey(Member, on_delete=models.CASCADE, related_name="electricity_bills" ) id_member = models.CharField(max_length=40) k_no = models.CharField(max_length=40) last_date = models.DateField() state = models.CharField(max_length=50, null=False, blank=False , choices=state_choices, default="Rajasthan") month = models.CharField(choices=months, default="January", max_length=10) year = models.CharField(choices=years, default="2022", max_length=4) amount = models.PositiveIntegerField() email_send = models.BooleanField(default=True) is_email_sent = models.BooleanField(default=False) def __str__(self): return str(self.member) my electricity_bill/views.py class ElectricityBillCreateView(LoginRequiredMixin, CreateView): model = ElectricityBill template_name = 'bills/electricity/bill_create.html' form_class = ElectricityForm success_url = reverse_lazy('ebills_list') my electricity_bills/forms.py from django import forms from .models import ElectricityBill from members.models import Member from django.contrib.auth import get_user_model class ElectricityForm(forms.ModelForm): def __init__(self, *args, **kwargs): self.request = kwargs.pop('request') super(ElectricityForm, self).__init__(*args, **kwargs) self.fields['member'].queryset = Member.objects.filter( created_by=self.request.user) member = forms.ModelChoiceField(queryset=Member.objects.all()) k_no …
