@django - страница 1570 - Telegram web archive

Mirco

var=Car.objects.filter(id=id) print(len(var)) Error:- the JSON object must be str, bytes, or bytearray, not dict.

and here u can use ORM's count() instead of len()

Saurabh

I am also confusing here, i tried everything but I don't know where is problem.

Saurabh

len just a example but I am not able to do anything with this queryset. It showing same error.

Alex

len just a example but I am not able to do anything with this queryset. It showing same error.

Show the whole traceback.

Saurabh

Okay.

Danilo

Hi guys, i have a def validate_email(self, value): in a serializer of type ModelSerializer and he is not called, this field it was declarated in the fields array as well, i need validate this email if is empty to raise an exception

Alex

Okay.

*pastebin

Bernard

hi guys how to get started with Django?

Daniil

hi guys how to get started with Django?

Try to build a simple notes or to do app

Bernard

how to get Django

Dillag

Write your first shop, so you will learn everything you need to get started

Dillag

for example now I write my vapeshop, because I know a lot about vape

Dillag

just choose a topic you are good at

Mirco

how to get Django

!djangotut

Doragonsureiyā

how to get Django

Looking for Django tutorials? you can follow these three recommended ones: * Official documentation and tutorial * Tutorial from MDN * Tutorial from django-girls

Eugene

Hey,guys. What would you say about separating HTML and static files in different apps

Eugene

?^^

Eugene

Is it a good practice to do that ?

Bernard

Looking for Django tutorials? you can follow these three recommended ones: * Official documentation and tutorial * Tutorial from MDN * Tutorial from django-girls

thanks Dora

Daniil

Hey,guys. What would you say about separating HTML and static files in different apps

Static is always separated from html. Just as it’s own folder.

Bernard

!djangotut

thanks Mirco

Anonymous

guys, I need a hand, I got some problem when I wanna try to POST data from Reactjs to Django API that I made. and this is the error, it's about cors "Access to XMLHttpRequest at 'http://127.0.0.1:8000/categories' from origin 'http://localhost:3000' has been blocked by CORS policy" and this is my setting.py CORS_ALLOW_ALL_ORIGINS = True CORS_ALLOW_METHODS = [ 'DELETE', 'GET', 'OPTIONS', 'PATCH', 'POST', 'PUT', ] CORS_ALLOW_HEADERS = [ "accept", "accept-encoding", "authorization", "content-type", "dnt", "origin", "user-agent", "http-x-csrftoken", "x-csrftoken", "x-requested-with", # ] CSRF_COOKIE_SECURE = True CSRF_COOKIE_HTTPONLY = True CSRF_TRUSTED_ORIGINS = ['http://127.0.0.1:3000'] it's been 2 days😭🙏🏻

Anonymous

No actually,are you implement ing tha admin for a group on your project

May be later but let it run dual users

Eugene

I meant apps

Eugene

Static is always separated from html. Just as it’s own folder.

.

Eugene

Not folders dude

HamidReza Fekri

hi i use postgres sql for my project i want to have another database for my models only for some spacial fields how can i have logical foreign key to mongodb

5P34R

guys, I need a hand, I got some problem when I wanna try to POST data from Reactjs to Django API that I made. and this is the error, it's about cors "Access to XMLHttpRequest at 'http://127.0.0.1:8000/categories' from origin 'http://localhost:3000' has been blocked by CORS policy" and this is my setting.py CORS_ALLOW_ALL_ORIGINS = True CORS_ALLOW_METHODS = [ 'DELETE', 'GET', 'OPTIONS', 'PATCH', 'POST', 'PUT', ] CORS_ALLOW_HEADERS = [ "accept", "accept-encoding", "authorization", "content-type", "dnt", "origin", "user-agent", "http-x-csrftoken", "x-csrftoken", "x-requested-with", # ] CSRF_COOKIE_SECURE = True CSRF_COOKIE_HTTPONLY = True CSRF_TRUSTED_ORIGINS = ['http://127.0.0.1:3000'] it's been 2 days😭🙏🏻

have u added the cores middleware ?

Anonymous

https://cdn.discordapp.com/attachments/696432394974265374/872819501668904970/unknown.png

i want to show the recent chats in left section of chats i use Django channels for chating but while chating in one group the new messages from other groups are not coming in left section as a recent chats of chat please can you tell me what to do

Anonymous

have u added the cores middleware ?

I've added it

5P34R

Put the CORS Middleware as the first item It's still under the Common one , that's why it doesn't work

may this previous chat helps u

Mirco

guys, I need a hand, I got some problem when I wanna try to POST data from Reactjs to Django API that I made. and this is the error, it's about cors "Access to XMLHttpRequest at 'http://127.0.0.1:8000/categories' from origin 'http://localhost:3000' has been blocked by CORS policy" and this is my setting.py CORS_ALLOW_ALL_ORIGINS = True CORS_ALLOW_METHODS = [ 'DELETE', 'GET', 'OPTIONS', 'PATCH', 'POST', 'PUT', ] CORS_ALLOW_HEADERS = [ "accept", "accept-encoding", "authorization", "content-type", "dnt", "origin", "user-agent", "http-x-csrftoken", "x-csrftoken", "x-requested-with", # ] CSRF_COOKIE_SECURE = True CSRF_COOKIE_HTTPONLY = True CSRF_TRUSTED_ORIGINS = ['http://127.0.0.1:3000'] it's been 2 days😭🙏🏻

Yeah the same for you The Middleware

Mirco

guys, I need a hand, I got some problem when I wanna try to POST data from Reactjs to Django API that I made. and this is the error, it's about cors "Access to XMLHttpRequest at 'http://127.0.0.1:8000/categories' from origin 'http://localhost:3000' has been blocked by CORS policy" and this is my setting.py CORS_ALLOW_ALL_ORIGINS = True CORS_ALLOW_METHODS = [ 'DELETE', 'GET', 'OPTIONS', 'PATCH', 'POST', 'PUT', ] CORS_ALLOW_HEADERS = [ "accept", "accept-encoding", "authorization", "content-type", "dnt", "origin", "user-agent", "http-x-csrftoken", "x-csrftoken", "x-requested-with", # ] CSRF_COOKIE_SECURE = True CSRF_COOKIE_HTTPONLY = True CSRF_TRUSTED_ORIGINS = ['http://127.0.0.1:3000'] it's been 2 days😭🙏🏻

And the settings is changed Read the repository README The TRUSTED ORIGINS is deprecated in favour of the new one called CORS_ALLOWED_ORIGINS

Anonymous

I've defined it like this CORS_ALLOWED_ORIGINS = ['http://127.0.0.1:3000'] but it doesnt work,

Mirco

I've defined it like this CORS_ALLOWED_ORIGINS = ['http://127.0.0.1:3000'] but it doesnt work,

Did you read what I've told u ? The Middleware settings is the most important config Follow what's explained into the repo README

Saurabh

guys, I need a hand, I got some problem when I wanna try to POST data from Reactjs to Django API that I made. and this is the error, it's about cors "Access to XMLHttpRequest at 'http://127.0.0.1:8000/categories' from origin 'http://localhost:3000' has been blocked by CORS policy" and this is my setting.py CORS_ALLOW_ALL_ORIGINS = True CORS_ALLOW_METHODS = [ 'DELETE', 'GET', 'OPTIONS', 'PATCH', 'POST', 'PUT', ] CORS_ALLOW_HEADERS = [ "accept", "accept-encoding", "authorization", "content-type", "dnt", "origin", "user-agent", "http-x-csrftoken", "x-csrftoken", "x-requested-with", # ] CSRF_COOKIE_SECURE = True CSRF_COOKIE_HTTPONLY = True CSRF_TRUSTED_ORIGINS = ['http://127.0.0.1:3000'] it's been 2 days😭🙏🏻

Everything is fine from your side. Need to change headers from react side. I also faced same issue.

HRITIK

In my prod model if I remove constructor function it is showing no error otherwise it is showing error that init fun can't take more than 1 positional arguments

HRITIK

Plz explain

HamidReza Fekri

hi i use postgres sql for my project i want to have another database for my models only for some spacial fields how can i have logical foreign key to mongodb

Doragonsureiyā

In my prod model if I remove constructor function it is showing no error otherwise it is showing error that init fun can't take more than 1 positional arguments

Please provide a full explanation including all the details that you consider relevant. Your statement is too broad and there is no clear way to answer you, you have to explain: - what you're doing - what you're expecting - what you're using - where you're running the script - what Python version you're using - what packages and their versions you're using - and the most important thing: show the code YOU wrote (read rule 5️⃣ for that) and more details, that way your chances to get help will increase

HRITIK

https://dpaste.org/N4xO

HRITIK

Here is my code In my prod model if I remove constructor function it is showing no error otherwise it is showing error that init fun can't take more than 1 positional arguments

Maxim

try to add CORS_ORIGIN_WHITELIST with same as in CORS_ALLOWED_ORIGINS value

Anonymous

same result sir, doesnt work

HamidReza Fekri

try to add CORS_ORIGIN_WHITELIST with same as in CORS_ALLOWED_ORIGINS value

hey newly I start django and i have problem can you help me ?????

HRITIK

Plz help me

Anonymous

hey newly I start django and i have problem can you help me ?????

Tell your problem

Margavya

Anyone here is having Django Ecommerce project with MySQL database?

HamidReza Fekri

Tell your problem

thanks

HamidReza Fekri

Tell your problem

hi i use postgres sql for my project i want to have another database for my models only for some spacial fields how can i have logical foreign key to mongodb

Anonymous

hi i use postgres sql for my project i want to have another database for my models only for some spacial fields how can i have logical foreign key to mongodb

Do you mean parts of your model fields in separate databases?

HamidReza Fekri

yes

Anonymous

yes

But if I may ask, is that a good design philosophy?

Charly

Anyone here is having Django Ecommerce project with MySQL database?

whats your question?

Doragonsureiyā

hey newly I start django and i have problem can you help me ?????

Don't tag people randomly, even if they seem knowledgeable. Most of the time, the person you tagged doesn't even know about the topic you just brought up. If people want to help you, they will - just be patient.

Doragonsureiyā

hey newly I start django and i have problem can you help me ?????

Don't ask meta questions like: "Any user of $x here?" "Anyone used technology $y?" "Hello, I need help on $z!" Just ask directly! The better you are at explaining the problem, the more likely you are to get help. Asking smart questions

HamidReza Fekri

@fishworm yes the reason that I want to do this increase speed of product filter by properties

Seth

hi guys, how could I submit a form that has your data and also several dependent foreignkey?

Anonymous

@fishworm yes the reason that I want to do this increase speed of product filter by properties

Look into proper ways of query optimization like creating indexes

HamidReza Fekri

@fishworm thank but can you please tell me what exactly google

Anonymous

@fishworm thank but can you please tell me what exactly google

Here https://docs.djangoproject.com/en/3.2/topics/db/optimization/

HamidReza Fekri

@fishworm thank you so so much🙏🙏🙏

Saurabh

len just a example but I am not able to do anything with this queryset. It showing same error.

It was the version. Problem now I got to fixed it.

HRITIK

https://dpaste.org/N4xO In my prod model if I remove constructor function it is showing no error otherwise it is showing error that init fun can't take more than 1 positional arguments

Rushikesh

How can I remove seconds 10:20:00 from this time format in django Timefield to display as 10:20

Ihor

hi! how can i build a query like this? django orm`s SELECT * FROM ( SELECT * FROM TABLE ) AS TMP WHERE ROW = n

Ranken

Can filter() and aggregrate() methods be used together???.... If yes please show me a snippet

Ihor

SELECT * FROM ( SELECT "accounts_seller"."id" as "id", "accounts_seller"."user_id" as "user_id", CONCAT("accounts_user"."first_name", CONCAT("accounts_user"."last_name")) AS "full_name", "accounts_userbalance"."total_points" AS "points", ROW_NUMBER() OVER (ORDER BY "accounts_userbalance"."total_points" DESC) AS "number" FROM "accounts_seller" INNER JOIN "accounts_user" ON ("accounts_seller"."user_id" = "accounts_user"."id") LEFT OUTER JOIN "accounts_userbalance" ON ("accounts_user"."id" = "accounts_userbalance"."user_id") ) as "top" WHERE user_id = '' // OR LIMIT 100

Ihor

qs = (self.model.objects .select_related('user', 'shop_address', 'user__balance') .annotate(full_name=Concat('user__first_name', Value(' '), 'user__last_name'), city=F('shop_address__city__name'), points=F('user__balance__total_points')) .annotate(number=Window(expression=RowNumber(), order_by=F('points').desc()))) need filter or limit

Ihor

I can use raw(sql) but I want orm

kritikos

Can filter() and aggregrate() methods be used together???.... If yes please show me a snippet

You can call aggregate after filter but not the reverse. For the snippet just check Django doc : https://docs.djangoproject.com/fr/3.2/topics/db/aggregation/

Jitendra Kumar

How to make a dynamic website?

Jitendra Kumar

Using Django framework

Charly

How to make a dynamic website?

what do you mean with dynamic?

cj

what do you mean with dynamic?

OP: that has dynamic animations made with flash player, you know

P.

OP: that has dynamic animations made with flash player, you know

😂

Daniel

rsrs

HamidReza Fekri

How to make a dynamic website?

this is really big question if i were you i would study django doc about api and views

Seth

Hi, How could I have more than two drop down dependents?

Igor'

Hey! How can I test reverse_lazy in CreatView using TestCase? My code: def test_my_method(self): client = Client() response = client.post('/add_income') self.assertRedirects(response, 'main_page', status_code=301) But I get error: AssertionError: 200 != 301 : Response didn't redirect as expected: Response code was 200 (expected 301)