#web-development | Python | Page 194

limber flower Oct 10, 2021, 2:33 AM

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It takes the things and stores it and when the next time i use the same username (yeah, only that) says that account already exists.

wooden ruin Oct 10, 2021, 2:35 AM

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form = UserRegisterForm(request.POST)

this takes the POST data submitted and uses it to create a UserRegisterForm, which is a ModelForm. that's why it calls form.save()

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so lets say i have a model that looks like

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class User(Model):
  username = models.CharField(...)
  password = models.CharField(...)
  age = models.IntegerField(...)
  email = models.CharField(...)

limber flower Oct 10, 2021, 2:36 AM

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Yea.. I have made one like this

wooden ruin Oct 10, 2021, 2:36 AM

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right

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so the example uses what's called a ModelForm

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lets say you have an html form that's something like

<form method="post">
  <input type="text" name="username">
   ...
</form>

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and so on

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in a view, i could access their data values by using request.POST["username"], right?

limber flower Oct 10, 2021, 2:37 AM

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yes

wooden ruin Oct 10, 2021, 2:39 AM

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so if i wanted to create a user like this, i could do

if request.method == "POST":
  username = request.POST["username"]
  password = request.POST["password"]
  email = request.POST["email"]
  age = request.POST["age"]
  user = User.objects.create_user(username=username, password=password, email=email, age=age)
  user.save()

limber flower Oct 10, 2021, 2:39 AM

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ye

wooden ruin Oct 10, 2021, 2:40 AM

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that's very, very tedious and repetitive, because you take the data from an object, put them into individual variables, and use those variables to create another object just to save it

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modelforms come in handy and are quite useful because they make the process alot simpler and faster

limber flower Oct 10, 2021, 2:40 AM

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Hmmm okay, I guess

wooden ruin Oct 10, 2021, 2:40 AM

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if request.method == 'POST':
        form = UserRegisterForm(request.POST)
        if form.is_valid():
            form.save()

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all it takes when using a modelform

limber flower Oct 10, 2021, 2:40 AM

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So, where does the .save() option save the data?

wooden ruin Oct 10, 2021, 2:41 AM

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into the database

limber flower Oct 10, 2021, 2:41 AM

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And how do I access that, or it can't be accessed?

wooden ruin Oct 10, 2021, 2:42 AM

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you can't access it just by opening it because it's unreable to humans (hard to phrase)

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you access it by querying for it

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in django this is very easy

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user = User.objects.get(username="pancakes")

limber flower Oct 10, 2021, 2:42 AM

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Hmm

wooden ruin Oct 10, 2021, 2:43 AM

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the queryset api is really awesome in django

https://docs.djangoproject.com/en/3.2/topics/db/queries/

Making queries | Django documentation | Django

limber flower Oct 10, 2021, 2:43 AM

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I see, and the authenticate() function, it's just like User.objects.get? or something else?

wooden ruin Oct 10, 2021, 2:44 AM

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the authenticate function just checks whether a set of user-provided credentials are valid

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for example it checks if your username/password combo is correct

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if it's correct, it returns the corresponding user object that match the credentials. else it returns None

limber flower Oct 10, 2021, 2:45 AM

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Ok, so .authenicate() will verify if info's correct
User.objects.get() will get the info
.save() will save it to a db.
And there's no option to manually delete the entered data

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right?

shadow vine Oct 10, 2021, 2:46 AM

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‘’’py
def test():
print(“is this working?”)

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‘’’py
def test():
print(“is this working?”)
‘’’

wooden ruin Oct 10, 2021, 2:46 AM

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limber flower Ok, so .authenicate() will verify if info's correct User.objects.get() will get ...

user.delete()

limber flower Oct 10, 2021, 2:46 AM

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O ok

wooden ruin Oct 10, 2021, 2:46 AM

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django docs come in really handy at these sorts of things

shadow vine Oct 10, 2021, 2:46 AM

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!code

lavish prismBOT Oct 10, 2021, 2:46 AM

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Here's how to format Python code on Discord:

```py
print('Hello world!')
```

These are backticks, not quotes. Check this out if you can't find the backtick key.

limber flower Oct 10, 2021, 2:47 AM

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wooden ruin user.delete()

and from the shell (actually, I created many accounts) ?

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lemon_sweat .

shadow vine Oct 10, 2021, 2:48 AM

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‘’’py
def test():
print(“is this working?”)
‘’’

wooden ruin Oct 10, 2021, 2:48 AM

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python3 manage.py shell

from <app>.models import <whatever models u wanna use>

shadow vine Oct 10, 2021, 2:49 AM

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Help

limber flower Oct 10, 2021, 2:49 AM

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Ohhh, got it 👍

limber flower Oct 10, 2021, 2:49 AM

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shadow vine Help

!e

def test():
  print("Is this working")

lavish prismBOT Oct 10, 2021, 2:49 AM

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@limber flower :warning: Your eval job has completed with return code 0.

[No output]

limber flower Oct 10, 2021, 2:49 AM

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Like this

shadow vine Oct 10, 2021, 2:50 AM

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!e
‘’’py
def test():
print(“poo poo”)
‘’’

lavish prismBOT Oct 10, 2021, 2:50 AM

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@shadow vine :x: Your eval job has completed with return code 1.

001 |   File "<string>", line 1
002 |     ‘’’py
003 |     ^
004 | SyntaxError: invalid character '‘' (U+2018)

shadow vine Oct 10, 2021, 2:50 AM

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iOS doesn’t have a back tick key

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Shoot

limber flower Oct 10, 2021, 2:55 AM

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wooden ruin ```sh python3 manage.py shell from <app>.models import <whatever models u wann...

I'm getting an SMTP authentication error :/

vestal hound Oct 10, 2021, 3:45 AM

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shadow vine iOS doesn’t have a back tick key

it does

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hold on '

limber flower Oct 10, 2021, 3:49 AM

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wooden ruin ```sh python3 manage.py shell from <app>.models import <whatever models u wann...

How will I add css to the pre-made forms?

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I had my own form

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But.. django didn't take it

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and when i'm using the pre-made ones

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It doesn't put the css

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You know, what can I do?

wooden ruin Oct 10, 2021, 4:25 AM

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limber flower How will I add css to the pre-made forms?

you can add html attributes to each input if you like

class MyForm(forms.ModelForm):
    class Meta:
        model = MyModel

    def __init__(self, *args, **kwargs):
        super(MyForm, self).__init__(*args, **kwargs)
        self.fields['myfield'].widget.attrs.update({'class': 'myfieldclass'})

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it's a bit tricky with model forms but that's the idea

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https://stackoverflow.com/questions/5827590/css-styling-in-django-forms

Stack Overflow

CSS styling in Django forms

I would like to style the following:

forms.py:

from django import forms

class ContactForm(forms.Form):
subject = forms.CharField(max_length=100)
email = forms.EmailField(required=False)
...

native tide Oct 10, 2021, 4:29 AM

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how do you move an img to the top middle
part

dusk portal Oct 10, 2021, 4:52 AM

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wooden ruin the queryset api is really awesome in django https://docs.djangoproject.com/en...

agreed!!!

native tide Oct 10, 2021, 8:53 AM

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Yeah i got it with flexbox

ember parcel Oct 10, 2021, 9:36 AM

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is there a way to define a new set of allowed http methods for filters? i.e. /api/ can have get, post, but i want /api/?filter= to only have get. the solution im thinking of right now would be to create another endpoint /api/filter/ but i wanted to know if i could avoid that

meager anchor Oct 10, 2021, 9:52 AM

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ember parcel is there a way to define a new set of allowed http methods for filters? i.e. `/a...

which library? I think for the most part you would have to check for filter and reject a request if that’s set on a non GET request yourself

ember parcel Oct 10, 2021, 9:55 AM

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using the django rest framework and the filter comes specifically from the django-filter library

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in general though, how do people usually do this? do they just leave it as is?

stark tartan Oct 10, 2021, 10:10 AM

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(Django authentication ) i am going to build the authentication like **Zoom Meet ** In which those who create the meet have to register thought username,email,password and other who wants to join just have to type(Full name ,email(optional)) and join directly the meet

i also have to save to database which user join the meet
the blocked users

Any suggestion for this type of user models

fickle garnet Oct 10, 2021, 12:25 PM

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@stark tartan what is is that you're missing ?

outer falcon Oct 10, 2021, 1:06 PM

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Hey, I am trying to create a synchronized output for everyone using websockets in django. I have the websocket class set up, and I tried starting a "game loop" from __init__() in the websocket consumer. However, that cause a bunch of issues, and I found this: https://stackoverflow.com/questions/42564524/are-django-channels-websocketconsumers-stateless
Anybody know how I could achieve the synchronized output for everyone since I can't achieve it from within the class?

Stack Overflow

Are Django Channels WebSocketConsumers stateless

I'm trying to use Django channels to create an object that stays persistent for everyone connected to the socket/

When I try to create an object that stays persistent between multiple receive() ru...

stark tartan Oct 10, 2021, 1:19 PM

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fickle garnet <@!805349233506910229> what is is that you're missing ?

i want to implement this type of custom user

mortal pike Oct 10, 2021, 1:21 PM

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If you guys have any experience working with sockets and ngrok, I have an interesting problem I have not been able to solve combining django with sockets for networking between server and raspberrypi. Full question: https://stackoverflow.com/questions/69503197/ngrok-with-python-and-raspberry-pi
or join #help-pear

Stack Overflow

NGROK With Python and Raspberry Pi

I am sorry to return with more ngrok/django issues, but this seems super inconsistent. I am trying to send a string from my django site hosted on heroku to a forwarded socket on my raspberry pi. Te...

outer falcon Oct 10, 2021, 1:39 PM

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hey anybody know how to start a single loop for django that is always running? I was told somewhere that using AppConfig.ready() will run multiple times if and when I serve it with gunicorn and daphne (gunicorn for http, daphne for websockets)

sonic island Oct 10, 2021, 1:49 PM

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django.core.exceptions.ImproperlyConfigured: AUTH_USER_MODEL refers to model 'stocks.Investor' that has not been installed
stocks is added to installed_apps and auth_user_model is also configured
How to solve this error?

rain wasp Oct 10, 2021, 3:00 PM

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Anyone know how to host django website on netlify?

tepid wren Oct 10, 2021, 3:54 PM

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rain wasp Anyone know how to host django website on netlify?

idk if this is possible
https://www.reddit.com/r/djangolearning/comments/kuaixo/can_we_host_django_website_on_netlify/

r/djangolearning - Can we host django website on netlify?

4 votes and 13 comments so far on Reddit

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netlify is only good for hosting static websites without backends. If you want a free option with a backend just use heroku.

calm plume Oct 10, 2021, 3:55 PM

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rain wasp Anyone know how to host django website on netlify?

You can't, unless it's completely static and using something like django-distill

olive tiger Oct 10, 2021, 4:43 PM

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sonic island django.core.exceptions.ImproperlyConfigured: AUTH_USER_MODEL refers to model 'st...

maybe you need to use the full name stocks.investor in the installed_apps list

stable sentinel Oct 10, 2021, 4:59 PM

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anyone has some straight forward guide on rendering a django form in bootstrap5 modal?

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I am not sure how to do it, everything renders in the modal except the {{ form|crispy }}

stark tartan Oct 10, 2021, 5:01 PM

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stable sentinel anyone has some straight forward guide on rendering a django form in bootstrap5 ...

can you explain more

stable sentinel Oct 10, 2021, 5:03 PM

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it's a CRUD form that works just fine when I open on separate page. Though when I try and render it as a modal only the hardcoded HTML renders without the input fields

stark tartan Oct 10, 2021, 5:06 PM

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stable sentinel it's a CRUD form that works just fine when I open on separate page. Though when ...

you want to not to reload the website and all in signle page??

stable sentinel Oct 10, 2021, 5:09 PM

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stark tartan you want to not to reload the website and all in signle page??

yes, index displays the list of my items and there is a button on the page "add item" the is a bootstrap modal. This is where I'd like the input fields to be but only the input labels show up.

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I am new to web development I have loads to learn. Sorry if this is a bad question

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I have done some digging and all seems to be pointing to AJAX

stark tartan Oct 10, 2021, 5:11 PM

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stable sentinel I am new to web development I have loads to learn. Sorry if this is a bad questi...

can you send code??

stable sentinel Oct 10, 2021, 5:54 PM

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stark tartan can you send code??

anything in particular? as there's quite a bit, I don't want to flood the the chat with big chunks...

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though than again, no worries, I came across something that might help, just need to wrap my head around it 😄

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https://pypi.org/project/django-bootstrap-modal-forms/

PyPI

django-bootstrap-modal-forms

A Django plugin for creating AJAX driven forms in Bootstrap modal.

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just haven't done much jQuery stuff yet, so I'll have to sink my teeth in to that a bit before I go on with this

tender crater Oct 10, 2021, 6:23 PM

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Currently developing a multi-tenant application in Flask (requirement is to support thousands of tenants). There are no strong concerns over security so haivng a single db around will be just fine. Now, I am left wondering which would be a sensible approach:

Having multiple schemas inside the same db
Partition a table by a tenat_id key and bake the multi-tenant logic inside
I am wondering if having many schemas in a a single db might hamper admin tasks and backups.

inland oak Oct 10, 2021, 6:37 PM

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tender crater Currently developing a multi-tenant application in Flask (requirement is to supp...

perhaps docker-compose your application, and put your db as another container

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nothing is better than docker to make multi tenancy in the smallest applied efforts

tender crater Oct 10, 2021, 6:44 PM

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inland oak perhaps docker-compose your application, and put your db as another container

Where to put the db is not really an issue here (it'll be a CloudSQL instance on gcp). My question was more related to how to organize the models

inland oak Oct 10, 2021, 6:45 PM

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tender crater Where to put the db is not really an issue here (it'll be a CloudSQL instance on...

I mean .. that u can raise separate container with db for each app container

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Multi tenancy problems are solved

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U have full db for each db

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Lightweight as much as containers can

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The problem is... If u need it persistent ;b
This solution fits only when u don't need db being persistent

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Then gcp with its reliability and probably much better features is more preferable

inland oak Oct 10, 2021, 6:50 PM

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tender crater Where to put the db is not really an issue here (it'll be a CloudSQL instance on...

Anyway.. I would probably make separate database inside databases. That sounds like more isolated solution

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If money would allow... Then raised separated dbs with terraform

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Sufficient isolation for multi tenant thing is important parameter too

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Or even probably we could just plan tables to work for different apps

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Then we could have same db and tables for your multi tenant thing

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Actually... U know... I don't know your problem enough to make the right choice

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We have too many options, and each one is having its own pros and cons

tender crater Oct 10, 2021, 6:58 PM

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inland oak We have too many options, and each one is having its own pros and cons

And that's perfectly fine, as I've just illustrated the vey basic gist of it. I htink for a small POC I wouldn't mind using shared tables partitioned by a tenant_id to baically flag who onws the given row. This wouldn't scale though as sharding only works with schema

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Hence I think your idea of isolating things a bit more with schemas is probably the way to go

inland oak Oct 10, 2021, 7:01 PM

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tender crater Hence I think your idea of isolating things a bit more with schemas is probably ...

Probably the most painless option out of them for easiest maintanance

tender crater Oct 10, 2021, 7:24 PM

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Cheers mate, thanks for the good chat

native tide Oct 10, 2021, 7:55 PM

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anybody want to pair program on flask? i'm a beginner but have ruby experience. Mostly for the motivational aspect and that we can code review each others work etc.

solid raft Oct 10, 2021, 8:51 PM

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native tide anybody want to pair program on flask? i'm a beginner but have ruby experience. ...

@native tide I am deciding between picking django or flask. My motivation is to build and maintain my own website 6 months down the time. BTW, i am new to the framework and python as well.

native tide Oct 10, 2021, 9:09 PM

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solid raft <@456226577798135808> I am deciding between picking django or flask. My motivat...

django seems to be the popular choice. I picked flask to get a more low level undrestanding of web development

river raven Oct 10, 2021, 10:15 PM

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Does anyone have experience starlette's SessionMiddleware? I'm using it atm, but having issues since I'm load balancing across multiple containers, so the different containers have different secret keys. Is the fix here to just hardcode a key with an env var or is there something more elegant/secure?

dense ice Oct 10, 2021, 10:18 PM

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Can someone here please help me with my django application using heroku

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like it says its deployed

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and it works

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but when i go on the website

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it says this

river raven Oct 10, 2021, 10:18 PM

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To explain further, the issue arises when a user gets redirected and it get's served by another container

dense ice Oct 10, 2021, 10:18 PM

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I have been working on this for literally 3 hours

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and it keeps not wokring

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if anyone could help

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it would mean alot

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@river raven could u possibly help

river raven Oct 10, 2021, 10:21 PM

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Sorry no, I have never used heroku

dense ice Oct 10, 2021, 10:21 PM

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shit

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do you have any

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other like hosting services

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i can use

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for django applications

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that worked for you @river raven

river raven Oct 10, 2021, 10:22 PM

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We host our PythonDiscord site using linode

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I've used linode personally, and they're pretty good

dense ice Oct 10, 2021, 10:22 PM

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river raven We host our PythonDiscord site using linode

it can host django applications to correct?

river raven Oct 10, 2021, 10:24 PM

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You can get servers and then set it up to host django, yea

native tide Oct 10, 2021, 10:59 PM

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FastAPI vs Flask vs Django which one's better (currently using fastapi because I've heard it's the fastest)

olive tiger Oct 10, 2021, 11:44 PM

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native tide FastAPI vs Flask vs Django which one's better (currently using fastapi because I...

many people - many opinions

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I know django the best, so it would always be the best for me

golden bone Oct 11, 2021, 12:26 AM

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native tide FastAPI vs Flask vs Django which one's better (currently using fastapi because I...

Like most such questions it really depends on your use case and priorities. Django is the most powerful but also the most complicated to learn and configure.

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If you know FastAPI and it's working well for you then great.

calm plume Oct 11, 2021, 12:35 AM

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I like FastAPI for smaller projects, and django if I'm combining many many things

olive tiger Oct 11, 2021, 12:50 AM

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golden bone Like most such questions it really depends on your use case and priorities. Djan...

it is much easier to use because of the built-in orm, which removes 80% of problems, which you get using the other frameworks

olive tiger Oct 11, 2021, 1:05 AM

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dense ice other like hosting services

pythonanywhere.com is a free option

pallid lily Oct 11, 2021, 2:19 AM

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What is the difference Between Flask and Django if some one can illustrate (Features, technology..)

calm plume Oct 11, 2021, 2:20 AM

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Flask has less features out of the box, while Django comes with everything built in

pallid lily Oct 11, 2021, 2:34 AM

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In flask i can handle for example ban IP and detect number of requests and this issues or is it only and best be done with a Django

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i mean like website security against DDOS, Scrapers etc..

olive tiger Oct 11, 2021, 2:37 AM

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pallid lily i mean like website security against DDOS, Scrapers etc..

django has many of them built-in

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flask - not, afaik

pallid lily Oct 11, 2021, 2:47 AM

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Okay Thx alot

inland oak Oct 11, 2021, 4:02 AM

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pallid lily What is the difference Between Flask and Django if some one can illustrate (Feat...

flask is good for novices to get it, less learning curve I guess.
but at the same time... since flask is not having built ins, it gives you freedom to do everything on your own, which will lead to shitcode more high likely 😉

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django with its train on rails approach will save you from it, as long as you just use its features, instead of trying to reinvent the wheel

pallid lily Oct 11, 2021, 4:03 AM

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Okay thx

inland oak Oct 11, 2021, 4:03 AM

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btw, there is third option, FastAPI is quite popular too in job market

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although I should say its second option

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because flask is not really valid for jobs, only django and fastapi are

pallid lily Oct 11, 2021, 4:06 AM

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so basicaly Flask is an educational and introductory for python web development, Django and FastAPI are products for business

inland oak Oct 11, 2021, 4:07 AM

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pallid lily so basicaly Flask is an educational and introductory for python web development,...

👍

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at the moment, yes

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but it can change

native tide Oct 11, 2021, 4:50 AM

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question

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what is a good cheap vps provider

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I'm getting bored of waiting for Kimsufi to restock their $5.99 vps'

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I need a cheap vps to run a MediaWiki install for a wiki I'm creating about Team Fortress 2 cut content

woeful ridge Oct 11, 2021, 5:26 AM

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Didn't know that there was a web development channel on here

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this is awesome

native tide Oct 11, 2021, 5:43 AM

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golden bone If you know FastAPI and it's working well for you then great.

i don't, just heard it's the fastest so i went along with it and started using it

keen shoal Oct 11, 2021, 6:02 AM

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dm if somebody can make me website

coarse yoke Oct 11, 2021, 8:21 AM

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Hello everyone. do you have experience with gzip on heroku?

broken harness Oct 11, 2021, 8:30 AM

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aahhh

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getting error

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;-;

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Using django. when I try and do this:

def save(self):
        super().save()
        
        img = Image.open(self.image.path)
        
        if img.height > 300 or img.width > 300:
            output_size = (300, 300)
            img.thumbnail(output_size)
            img.save(self.image.path)
``` I get error. But without it, no error.

golden bone Oct 11, 2021, 10:17 AM

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inland oak 👍

Don't listen to the haters, Flask is even more widely used In production than Django (https://www.statista.com/statistics/1124699/worldwide-developer-survey-most-used-frameworks-web/). I know a number of people who use Flask more than Django professionally. It's just that you only use Flask for APIs and other very simple things. Django is more appropriate for full-featured websites

Statista

Most used web frameworks among developers 2021 | Statista

As of 2021, React.js is the most used web framework among software developers worldwide.

inland oak Oct 11, 2021, 10:18 AM

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golden bone Don't listen to the haters, Flask is even more widely used In production than Dj...

lets fix it to check in job market, checking mine:
495 django
200 fastapi
300 flask

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uh. flask is used even in mine, all right.

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Django is still leader anyway ;b

vestal hound Oct 11, 2021, 10:22 AM

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golden bone Don't listen to the haters, Flask is even more widely used In production than Dj...

"more widely used" doesn't mean "better"

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cries in Angular

inland oak Oct 11, 2021, 10:23 AM

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vestal hound "more widely used" doesn't mean "better"

indeed.
the thing that you can make a full crap easily with Flask is still remaining

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Django protects from mistakes better ;b

inland oak Oct 11, 2021, 10:23 AM

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vestal hound *cries in Angular*

still tempting to go for Svelte instead of trying event Vue ;b

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tried Svelte already, its tutorial and easiness to use is totally awesome

vestal hound Oct 11, 2021, 10:24 AM

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Vue disgusts me

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tbh

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#SORRYNOTSORRY

inland oak Oct 11, 2021, 10:24 AM

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Svelte is definitely awesome ;b

vestal hound Oct 11, 2021, 10:24 AM

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if I ever

inland oak Oct 11, 2021, 10:24 AM

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clean, and easy peasy

vestal hound Oct 11, 2021, 10:24 AM

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got back into webdev

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I'd look @ it for sure

inland oak Oct 11, 2021, 10:24 AM

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with Svelte I learn what's pure CSS/javascript

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instead of the...

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framework shenanigans above it

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Svelte shenanigans are learned within one ~~day~~ hour

golden bone Oct 11, 2021, 10:26 AM

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vestal hound "more widely used" doesn't mean "better"

I didn't say better. I was responding to the false statements that Flask isn't used for business when it definitely is.

vestal hound Oct 11, 2021, 10:27 AM

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golden bone I didn't say better. I was responding to the false statements that Flask isn't u...

wups mb

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that's true

sand musk Oct 11, 2021, 10:51 AM

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Hi, any Flask pros here? I have two routes, one returning some text, and the other an image. Could I return these at the same time, as to not double the computation time?

dire urchin Oct 11, 2021, 11:19 AM

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so i never stumbled upon the helpful advice of using virtual environment for your django app so now i have a bunch of stuff in my requirements.txt that i don't know if i actually need, do i just delete it and go the manual way of adding requirements?

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or is there an easier way to sort out the mess

sand musk Oct 11, 2021, 11:35 AM

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sand musk Hi, any Flask pros here? I have two routes, one returning some text, and the oth...

Already fixed this myself - for reference: export images as base64 encoded, combine in. json

golden bone Oct 11, 2021, 12:09 PM

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dire urchin so i never stumbled upon the helpful advice of using virtual environment for you...

I guess I would create a fresh venv, add your project, install missing packages until your app works, export the requirements from that

dire urchin Oct 11, 2021, 12:15 PM

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got it, thanks

stark tartan Oct 11, 2021, 12:55 PM

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https://pastecord.com/cykotesiqi.py

HOW TO ACCESSES THE MEETING CODE WHEN I SEND THE SUBMIT THE FORM (THAT I SENDED BY GET REQUEST PREVIOUSLY)

eternal thunder Oct 11, 2021, 1:12 PM

#

Is there any chance mui is available for outside of react?

dire urchin Oct 11, 2021, 1:28 PM

#

do i add the venv folders to gitignore or not?
edit: yes i should gitignore them

inland oak Oct 11, 2021, 2:10 PM

#

dire urchin do i add the venv folders to gitignore or not? edit: yes i should gitignore them

definitely

inner nest Oct 11, 2021, 3:04 PM

#

night everyone, so i am newbie here, and i try to return redirect back, and i reseach but im not find them, can anyone help me

#

?

thick pilot Oct 11, 2021, 4:12 PM

#

Looking for advacne DRF dev?

native tide Oct 11, 2021, 4:44 PM

#

Hello any good book or website where i can learn web developement im pretty new to python and i did tried and did probably basic concepts still trying to learn more of it so i would like a book suggestions

latent cosmos Oct 11, 2021, 4:48 PM

#

[Q] Beautiful Soup / Web Scrape - easy:
Hi, how to scrape 2x tags: a with class linkme and p with class price?

HTML:
<div class="offer">
  <a class="linkme">The item aaa</a> || <p class="price">$100</p>
</div>

So how to scrape "The item aaa" from <a class="linkme"> AND price from <p class="price">

obtuse yarrow Oct 11, 2021, 4:53 PM

#

i need someone to create a little software

#

if some can mp me 😄

pallid lily Oct 11, 2021, 4:58 PM

#

@latent cosmos response.xpath("//div[@class='offer']/a/text()").get() +" "+response.xpath("//div[@class='offer']//p[@class='price']/text()").get()

inland oak Oct 11, 2021, 4:59 PM

#

thick pilot Looking for advacne DRF dev?

https://pythondiscord.com/pages/resources/guides/asking-good-questions/

Python Discord - Asking Good Questions

A guide for how to ask good questions in our community.

inland oak Oct 11, 2021, 5:00 PM

#

native tide Hello any good book or website where i can learn web developement im pretty new ...

this book for example or official django docs, they have nice tutorial in getting started
https://docs.djangoproject.com/en/3.1/

Django documentation | Django documentation | Django

inland oak Oct 11, 2021, 5:00 PM

#

obtuse yarrow i need someone to create a little software

https://pythondiscord.com/pages/resources/guides/asking-good-questions/

Python Discord - Asking Good Questions

A guide for how to ask good questions in our community.

native tide Oct 11, 2021, 5:04 PM

#

inland oak this book for example or official django docs, they have nice tutorial in gettin...

Ok😁

inner latch Oct 11, 2021, 5:37 PM

#

Can you make a fully featured/stylized website using Django?

#

Without the use of CSS/Javascript?

dense slate Oct 11, 2021, 6:00 PM

#

inner latch Without the use of CSS/Javascript?

No, CSS is your styling. You can use libraries to help with this but in the end it is all CSS in your HTML that applies styling.

#

JS is for functionality mostly.

#

You can build without JS for the most part, as long as you don't need live changes to the page (aka without refresh).

#

I don't know what you mean by fully featured, but you likely will need css and js to do that.

inner latch Oct 11, 2021, 6:08 PM

#

Thank you - the 'feature' I'm aiming for is dynamic updates on the page without having to refresh, so it looks like I have to dive into JS - what is the benefit of using Django over just a dynamic webpage using CSS and JS?

dense slate Oct 11, 2021, 6:22 PM

#

inner latch Thank you - the 'feature' I'm aiming for is dynamic updates on the page without ...

I'm not sure you can compare it that way. Django performs your backend functionality while HTML, CSS and JS are handled on the front-end. Django just tells your pages what data to show via views. Django does serve the html via templates, but the CSS and JS is all done on the front-end.

#

It's not either or, they go hand in hand.

inland oak Oct 11, 2021, 6:23 PM

#

inner latch Can you make a fully featured/stylized website using Django?

the lazeiest solution would be to apply CSS framework like bootstrap
it would allow you write fully featured web site almost without touching css

dense slate Oct 11, 2021, 6:23 PM

#

If you're asking why Django and not something else for the backend, then that depends on what you want the backend to be able to do and what you need out of it.

inland oak Oct 11, 2021, 6:24 PM

#

well...

#

technically the person can go without javascript as well

#

POST requests bring sufficient minimal interactivity to the site

#

we just return to the fully server side sessional times

#

but knowing CSS and javascript (and frontend framework) will make a magnitude better work ;b

#

without it, you will be in a certain limitations in what you can do

dense slate Oct 11, 2021, 6:27 PM

#

I'm pretty sure you can't make live changes without JS.

inland oak Oct 11, 2021, 6:27 PM

#

dense slate I'm pretty sure you can't make live changes without JS.

depending on what you consider live

dense slate Oct 11, 2021, 6:27 PM

#

A change to the DOM without refreshing.

inland oak Oct 11, 2021, 6:27 PM

#

but all those Forms work without JS by default

inland oak Oct 11, 2021, 6:28 PM

#

dense slate A change to the DOM without refreshing.

yes, we can't (or at least I don't know ways without JS 🤔 )

#

we return to the old times where we need request per every change ;b

#

it still allows using Forms for logins, Submitting msgs, having videos and e.t.c.

pallid lily Oct 11, 2021, 6:34 PM

#

the Ai chat bot is made by Django or is it made by javascript

inland oak Oct 11, 2021, 6:35 PM

#

no idea how your AI is made, just some simple python logic I guess for example?
but chat is made with web sockets stuff, as example to make it Django Channels + Javascript are required both

solid raft Oct 11, 2021, 7:10 PM

#

I am working on a front end application in reactJS. Which is hosted with a domain A.com. A few images are being served from a different static content end point B-test.com. The domains are different for test and prod. B-prod.com.
Now I don’t want to inject this as an env variable during compile time. Is there an alternative ?

runic lodge Oct 11, 2021, 7:32 PM

#

Working on basic html templating and Jinja 2 is throwing the error

jinja2.exceptions.TemplateAssertionError: block 'title' defined twice

#

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>{% block title %}{% endblock %} - My Webpage</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="">
    </head>
    <body>
        <!--[if lt IE 7]>
            <p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="#">upgrade your browser</a> to improve your experience.</p>
        <![endif]-->
        <p>TEST</p>
        <!-- {% block title %}{% endblock %} -->
        <script src="" async defer></script>
    </body>
</html>

#

{% extends "base.html" %}
{% block title %}Home Page{% endblock %}

#

Not sure why though

#

I linked it with block title, the associated documentation
https://jinja.palletsprojects.com/en/3.0.x/templates/#child-template

#

somehow works but its not feeding any errors

#

when i run through the documentation which means user error on my end

#

but im not sure what im getting wrong

#

Help?

runic lodge Oct 11, 2021, 7:35 PM

#

calm plume Flask has less features out of the box, while Django comes with everything built...

Total abuse of @ function but do you have a minute?

#

@vestal hound

lilac solar Oct 11, 2021, 7:38 PM

#

@runic lodge the title is defined twice the second one is commented out of the HTML but not out of the template, it's a common mistake. To comment in Jinja you need to use {# #}

runic lodge Oct 11, 2021, 7:40 PM

#

@lilac solar oh i see i thought i was referencing it in the first html doc, how do i reference it in the html doc?

#

{ self.title} ?

lilac solar Oct 11, 2021, 7:41 PM

#

You have it defined twice in the base.html which is what Jinja is complaining about. Line 6 & line 17

runic lodge Oct 11, 2021, 7:41 PM

#

check

#

but if i wanted to inherit it into the
<title>{% block title %}{% endblock %} - My Webpage</title>
block how would i go about doing that

lilac solar Oct 11, 2021, 7:43 PM

#

{% extends "base.html" %}
{% block title %}Home Page{% endblock %}

This is correct

runic lodge Oct 11, 2021, 7:43 PM

#

would i just leave the title blank then?

lilac solar Oct 11, 2021, 7:44 PM

#

What are you trying to achieve?

runic lodge Oct 11, 2021, 7:45 PM

#

I want "homepage" shown in the second block of code to render in the title position of the base layout

#

located within the head of the first bit of code

lilac solar Oct 11, 2021, 7:47 PM

#

In that case, just delete or correctly comment out line 17 in base.html

#

if you want to comment it correctly it need to be  instead of 

runic lodge Oct 11, 2021, 7:49 PM

#

{% extends "base.html" %}
{% block title %}Home Page{% endblock %}
{# block content #}
<h1>Test But bigger</h1>
{# endblock #}

#

so like this?

#

Let me re-reference what im trying to do.

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>{{ self.title }}</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="">
    </head>
    <body>
        <!--[if lt IE 7]>
            <p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="#">upgrade your browser</a> to improve your experience.</p>
        <![endif]-->
        <p>TEST</p>
        <!-- {% block title %}{% endblock %} -->
        <script src="" async defer></script>
    </body>
</html>

#

The position of self.title needs to be populated with what is in the index.html file, this one.

{% extends "base.html" %}
{% block title %}Home Page{% endblock %}
{# block content #}
<h1>Test But bigger</h1>
{# endblock #}

#

Sorry dots not meaning to be condescending.

lilac solar Oct 11, 2021, 7:52 PM

#

Your inherited template is fine. Your base.html needs to be as follows:

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>{% block title %}{% endblock %}</title>
        <meta name="description" content="">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="">
    </head>
    <body>
        <!--[if lt IE 7]>
            <p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="#">upgrade your browser</a> to improve your experience.</p>
        <![endif]-->
        <p>TEST</p>
        <script src="" async defer></script>
    </body>
</html>```

runic lodge Oct 11, 2021, 7:54 PM

#

ahhhhh i see now

calm plume Oct 11, 2021, 7:54 PM

#

runic lodge Total abuse of @ function but do you have a minute?

I don't know much about templating with Jinja2, sorry

runic lodge Oct 11, 2021, 7:54 PM

#

@calm plume all good, it's fixed

#

@lilac solar thank you, this is better, so html inheritance in jinja 2 is referenced sequentially like a stack

#

as in it cannot be unordered or can it?

lilac solar Oct 11, 2021, 7:56 PM

#

I think it can be unordered, but the identifiers for blocks must be unique across the template inheritance tree/stack

runic lodge Oct 11, 2021, 7:57 PM

#

got it, it's probably good practice to have it ordered

#

I wish there was a way to give points here, appreciate it none the less

night junco Oct 11, 2021, 9:08 PM

#

Hello! I’m legit new to web dev and trying to get use to this how would I add images? I’m on windows

#

And fonts

marsh knoll Oct 11, 2021, 9:23 PM

#

Hey

#

for images, use the <img> tag

#

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img

: The Image Embed element - HTML: HyperText Markup Language | MDN

The HTML element embeds an image into the document.

#

Google fonts has pretty good dev help

#

https://fonts.google.com/

Google Fonts

Making the web more beautiful, fast, and open through great typography

#

Here's an example with both

<html>
  <head>
    <style>
      @import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

      .some-class {
        font-family: 'Roboto';
      }
    </style>
  </head>
  <body>
    <p>Not in roboto</p>
    <p class="some-class">Epic text in roboto</p>
    <!-- Add file path or url to image src -->
    <img src="/img.png">
  </body>
</html>

#

@night junco

night junco Oct 11, 2021, 9:32 PM

#

Legend!

woeful ridge Oct 12, 2021, 12:08 AM

#

Hello, feel free to dm me the answer or just say it in here, but what classifies the use of a database on a website and what would you use for it. In this scenario it an online airplane parts company, needs to be able to have its customers place orders for parts in the store inventory

weak nacelle Oct 12, 2021, 1:56 AM

#

is a sqlite db recommended for a site handling over 100 r/w requests at the same time

tepid lark Oct 12, 2021, 4:35 AM

#

per second? SQL can do insane read perf, but writes absolutely not

#

https://www.sqlite.org/whentouse.html

pallid lily Oct 12, 2021, 4:39 AM

#

try to make PostgreSQL as your database

#

because having website in same server with database might make it easy for hackers to delete and obtain your data

calm plume Oct 12, 2021, 4:41 AM

#

I doubt that

#

Having a website and a database together could actually be a really good thing

#

The connection would never even have to leave the server

tepid lark Oct 12, 2021, 4:47 AM

#

Yeah, especially if you have low to medium traffic

uneven mauve Oct 12, 2021, 6:20 AM

#

I'm new to django
Im a bit confused about whether I should create a separate app for user authentication
Or just do everything in the same app
I'll eventually have to extend the users model and link it with a database in another app
How do you decide whether to create a new app for something 🤔
also ping me if you reply please thanks

fluid olive Oct 12, 2021, 7:21 AM

#

Hello, Can somebody please help me with a Bootstrap Hamburger Icon Toggling problem? The menu is not toggling when clicked.

cursive pine Oct 12, 2021, 9:03 AM

#

I wish to take a 800x800 SVG from my index.html and send it to the bottom of the same page as a thumbnail when user clicks a button, and allow the user to generate another SVG. and so on... Any tips on where I should be looking for such examples?

#

Alternately, its even ok to create a slide-show with subsequent images.

inner nest Oct 12, 2021, 9:18 AM

#

can anyone help me to make a resize image system, when uploading image using form, in django python, I've tried about 4 or 5 ways, and it doesn't work (im newbie)

waxen forge Oct 12, 2021, 10:00 AM

#

I'm trying to modify a client that allows/facilitates it. It allows me to edit the css but not the html.

This is the html: html <div class="sc-hBEYId jgcjMZ"><span class="detail"><span class="author">Fenton</span><div class="sc-fodVek Qskju"><time>Today at 04:09</time></div></span><span class="_markdown_8b8eo_2"><p>What's the class for the blob thing behind server icons?</p> </span></div>

This is what i'd like, essentially:

    background-image: url("https://i64.servimg.com/u/f64/12/23/10/57/glitte10.gif");
}```

#

ping on response pls

dusk sonnet Oct 12, 2021, 10:41 AM

#

Hey, How can i fix this? under my body's size is related to the content of the table. the more row in the table the bigger the body gets and thats why its making so much uneeded white space under the footer thats not used for anything

#

i tried doing the following but nothing changed

body, html {
height: 100%;
}

humble needle Oct 12, 2021, 11:16 AM

#

Is there anything wrong with using a REST API for a chat app? Or is a websocket based approach better

humble needle Oct 12, 2021, 11:17 AM

#

dusk sonnet Hey, How can i fix this? under my body's size is related to the content of the t...

I'm not great at CSS but try position:absolute;

dapper tusk Oct 12, 2021, 11:17 AM

#

you do probably want websockets just to have messages appear instantly, rather than after the client asks

#

REST does have a resource type for server push, but it works using callback urls, which won't work for a chat app

humble needle Oct 12, 2021, 11:18 AM

#

So will it work with REST or do I need to learn websockets

dapper tusk Oct 12, 2021, 11:19 AM

#

it is possible, but websockets are the better tool to use

dusk sonnet Oct 12, 2021, 11:19 AM

#

humble needle I'm not great at CSS but try position:absolute;

This is what happens with ```css
body, html {
height: 100%;
position: absolute;
}

humble needle Oct 12, 2021, 11:20 AM

#

dapper tusk it is possible, but websockets are the better tool to use

Thanks :)

humble needle Oct 12, 2021, 11:20 AM

#

dusk sonnet This is what happens with ```css body, html { height: 100%; position: ab...

Try 100vh?

dusk sonnet Oct 12, 2021, 11:21 AM

#

humble needle Try 100vh?

same outcome as the above photo

waxen forge Oct 12, 2021, 11:52 AM

#

Can someone give me a comparison on using flask vs quart for executing bot commands?

sturdy crater Oct 12, 2021, 12:10 PM

#

i need a mentor

#

anyine can teach me

inland oak Oct 12, 2021, 1:04 PM

#

waxen forge Can someone give me a comparison on using flask vs quart for executing bot comma...

https://flask.palletsprojects.com/en/2.0.x/async-await/#when-to-use-quart-instead

dusty moon Oct 12, 2021, 1:21 PM

#

CSS question:
I have an <a> element which i'm trying to style.
I use float to move it to the right, and position to center it vertically.

Here's its code:

a {
  position: relative;
  line-height: 0;
  padding: 10px;
  float: right;
  top: 50%;
}

Weirdly enough, top does not respect the padding, meaning the text is not centered.

Although, i've came up with a solution:

top: calc(50% - 10px)

The only problem with it is that i want it to automatically take padding's value, and put it in the calc() function.

Any ideas?

thorn flame Oct 12, 2021, 1:38 PM

#

dusty moon CSS question: I have an `<a>` element which i'm trying to style. I use `float` t...

afaik there's no way to reference another property in CSS, so you'd have to do this via some sort of backend like JS

dusty moon Oct 12, 2021, 1:42 PM

#

i see. welp, thanks for your help.

urban whale Oct 12, 2021, 1:47 PM

#

Hi there! I have a general question about full-stack development: I'm building a frontend SPA with React and on the backend side I have Azure API Manager that serve the endpoints I need in a REST Api, discussing with my team we thought about the idea of inserting a web server as a middleware between the API and the frontend, the main purpose is to hide the API endpoint url and maybe use it to do some fields checks, is this middleware server useful in your opinion or it's only a resource/performance waste?
Thanks in advice!

lilac solar Oct 12, 2021, 2:08 PM

#

urban whale Hi there! I have a general question about full-stack development: I'm building a...

If by Azure API Manger you mean this: https://azure.microsoft.com/en-gb/services/api-management/ then I wouldn't bother with a web server. I would expect this management layer to bring together several services into a unified endpoint. If you want to field checks etc I would expect that to happen in the API manager or in the services behind it

lilac solar Oct 12, 2021, 2:10 PM

#

dusty moon CSS question: I have an `<a>` element which i'm trying to style. I use `float` t...

To answer your immediate question: You could use CSS variables here: https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_custom_properties
Generally though I stick to flexbox or grid when it comes to layouts as I personally find them easier to understand and more predictable. That said, I have no greater context to your code so won't comment further

hazy wolf Oct 12, 2021, 2:40 PM

#

hey i was wondering if there was someone who knows how django-helpdesk works and could help me in VC i have some trouble with writing my problems down bcs my English is bad so could someone help me ? (if there's someone who knows how to speak french too it could help me a lot but i still can understand English)

dusk portal Oct 12, 2021, 2:51 PM

#

hazy wolf hey i was wondering if there was someone who knows how django-helpdesk works and...

I'll try

quiet blade Oct 12, 2021, 2:58 PM

#

Hi, I need to create First In - First Out Queue with Django Rest Framework,
where multiple users will have access to endpoint which returns first created Contact Instance, but there can't be the situation where few users will get the same contact.

So i figured out that i could edit a single field "task" on every get request and add "if" to queryset which would return only the contacts where task field is equal None/ "New".

Meanwhile if any user would send get request to that endpoint then the task field would be set to "Processing" or something like that.

But im not sure how to achieve that. I wish i could do that like this

Contact.objects.filter(task="New").first().update(task="Processing")

Is it possible with signals? or i should check the guide about tool called Celery? or something else i don't know about?

opaque valve Oct 12, 2021, 3:17 PM

#

not sure if this is a right area for this but how do I send out and receive HTTP requests?

mystic crater Oct 12, 2021, 4:21 PM

#

Hey guys, I just hosted this website that's built using Flask + React. The idea is that it would allow users to comment easily & quickly on YouTube videos that have blocked their comment section. I'd like to hear your thoughts (i'm thinking whether to continue working on this or no). Here's the link: https://make-a-comment-on.herokuapp.com/

React App

Web site created using create-react-app

severe current Oct 12, 2021, 4:48 PM

#

hey guys

#

do you think its better to create a website with flask

#

or django?

cursive pine Oct 12, 2021, 5:10 PM

#

Any front end devs in the house?

golden bone Oct 12, 2021, 5:14 PM

#

opaque valve not sure if this is a right area for this but how do I send out and receive HTTP...

You can send with requests, it's very simple. Not sure about receiving but I guess sockets might work.

#

!d requests

lavish prismBOT Oct 12, 2021, 5:15 PM

#

requests

Currently the most popular synchronous library to make HTTP requests in Python.

https://requests.readthedocs.io

wooden ruin Oct 12, 2021, 6:28 PM

#

severe current do you think its better to create a website with flask

it depends on the use case

past lion Oct 12, 2021, 6:39 PM

#

Hello guys

#

How to store images in database?

#

So i can get them with id

#

In django

mystic wyvern Oct 12, 2021, 6:56 PM

#

past lion How to store images in database?

you can use ImageField in your model

native tide Oct 12, 2021, 7:02 PM

#

Does anyone know how we can fetch data from the database using dropdowns in Django?

#

I tried so many things nothing's working

mystic wyvern Oct 12, 2021, 7:04 PM

#

native tide Does anyone know how we can fetch data from the database using dropdowns in Djan...

can you show me your views ?

dusk portal Oct 12, 2021, 7:07 PM

#

@mystic wyvern hey wanna try to help me

mystic wyvern Oct 12, 2021, 7:07 PM

#

dusk portal <@!646078090161815552> hey wanna try to help me

yes i hope

dusk portal Oct 12, 2021, 7:08 PM

#

so the thing is , u know what are signals.py right?

#

@mystic wyvern

past lion Oct 12, 2021, 7:08 PM

#

mystic wyvern you can use ```ImageField``` in your model

Bro i know that there is thing like imagefield but i dont know where and how to store the data

past lion Oct 12, 2021, 7:09 PM

#

mystic wyvern you can use ```ImageField``` in your model

Imagefield has parameter upload_to but idk what is that

mystic wyvern Oct 12, 2021, 7:09 PM

#

dusk portal so the thing is , u know what are signals.py right?

yep but i haven't use it a lot

mystic wyvern Oct 12, 2021, 7:09 PM

#

past lion Imagefield has parameter upload_to but idk what is that

this where the image is saved

past lion Oct 12, 2021, 7:10 PM

#

mystic wyvern you can use ```ImageField``` in your model

I want to save images somewhere and then get images by an ID

mystic wyvern Oct 12, 2021, 7:10 PM

#

you just save the dir in the database the not the image

past lion Oct 12, 2021, 7:10 PM

#

mystic wyvern you just save the dir in the database the not the image

Oh how to make that?

dusk portal Oct 12, 2021, 7:10 PM

#

so the thing when im adding any post from admin panel without thumbnail , it's loading default img by signals

#

but when im upload new post without thumbnail from frontend it's throwing error

#

while when i upload it thumbnail on both admin and frontend it works fine

#

@login_required
@cache_page(60*2)
def notes_upload(request):
    if request.method=='POST':
        title=request.POST.get('title')
        subject=request.POST.get('subject')
        desc=request.POST.get('desc')
        thumbnail=request.FILES.get('thumbnail')
        file=request.FILES['file']
        author=request.user
        entry=Notes(title=title,subject=subject,desc=desc,thumbnail=thumbnail,file=file,author=author,published_on=datetime.now())
        print(thumbnail)
        entry.save()
        messages.info(request,'Notes updated successfully!')
        return HttpResponseRedirect('/')```
as admin is working fine == models.py is correct

#

problem is surely here or in html

mystic wyvern Oct 12, 2021, 7:12 PM

#

past lion Oh how to make that?

you should put somthings call MEDIA_URL and MEDIA_ROOT

past lion Oct 12, 2021, 7:12 PM

#

mystic wyvern you should put somthings call ``` MEDIA_URL``` and ``` MEDIA_ROOT```

Where?

mystic wyvern Oct 12, 2021, 7:12 PM

#

past lion Where?

in settings.py

fair agate Oct 12, 2021, 7:13 PM

#

Is this the section to ask about something like web scraping and CSS selection of scraped data?

dusk portal Oct 12, 2021, 7:13 PM

#

i can help

#

for these ezzz part

dusk portal Oct 12, 2021, 7:13 PM

#

fair agate Is this the section to ask about something like web scraping and CSS selection o...

u can ask css n scraping yes

mystic wyvern Oct 12, 2021, 7:14 PM

#

dusk portal but when im upload new post without thumbnail from frontend it's throwing error

what the error says

past lion Oct 12, 2021, 7:15 PM

#

mystic wyvern in settings.py

i couldn't understand that : (

fair agate Oct 12, 2021, 7:15 PM

#

so for something like the following:

quotes.css('span:not([class])').css('small.author::text').get()

is it possible to combine those two .css() into one somehow?

dusk portal Oct 12, 2021, 7:15 PM

#

ValueError at /notes/5/
The 'thumbnail' attribute has no file associated with it.```
main prob with this error is it saves info to db then shows error + it renders on home page it's slug and when i go to paigiated shows error

mystic wyvern Oct 12, 2021, 7:15 PM

#

past lion i couldn't understand that : (

hold on

mystic wyvern Oct 12, 2021, 7:17 PM

#

past lion i couldn't understand that : (

this is a perfect video to understand

#

https://youtu.be/ygzGr51dbsY

YouTube

Codemy.com

How To Upload Images With Django - Django Blog #26

In this video I'll show you how to upload images using Django.

We'll set up the ability to upload a header image for each blog post. Uploading images with Django is pretty simple, we need to add a field to our database model, then make a quick change to our settings.py file, and our original urls.py file. Then tweak our blog post form, and t...

▶ Play video

past lion Oct 12, 2021, 7:17 PM

#

mystic wyvern this is a perfect video to understand

thanks

mystic wyvern Oct 12, 2021, 7:20 PM

#

dusk portal ```py ValueError at /notes/5/ The 'thumbnail' attribute has no file associated w...

are you use a django form or html form ?

dusk portal Oct 12, 2021, 7:21 PM

#

mystic wyvern are you use a django form or html form ?

ofc html

mystic wyvern Oct 12, 2021, 7:22 PM

#

dusk portal ofc html

can you show it ?

dusk portal Oct 12, 2021, 7:23 PM

#

<main id="upload">
        <div class="title">
            Upload Notes
        </div>
        {% if messages %}
        <div class="error">
            {% for msg2 in messages %}
            {{msg2}}
            {% endfor %}
        {% endif %}
        </div>
        <form method="POST" enctype="multipart/form-data" >
            {% csrf_token  %}
            <div class="field">
                <label for="title">
                    Title
                </label>
                <input type="text"  name="title" placeholder="video's title" required name="title">
            </div>
            <div class="field">
                <label for="subject">
                    Subject
                </label>
                <input type="text"  name="subject" placeholder="Subject">
            </div>
            <div class="field">
                <label for="vid_desc">
                    Description
                </label>
                <textarea  id="desc" name="desc" cols="30" rows="10"></textarea>
            </div>
            <div class="field">
                <label for="thumbnail">
                    Upload Thumbnail
                </label>
                <input type="file" id="thumbnail"  name="thumbnail">
            </div>
            <div class="field">
                <label for="file">
                    Upload Notes
                </label>
                <input type="file" required  name="file" accept="pdf,doc,docx">
            </div>
            <br>
            <button class="submit">Upload</button>
        </form>
</main>```

#

        <form method="POST" enctype="multipart/form-data" >

<div class="field">
                <label for="thumbnail">
                    Upload Thumbnail
                </label>
                <input type="file" id="thumbnail"  name="thumbnail">
            </div>``` focus here

#

ig here only cez from admin working fine

mystic wyvern Oct 12, 2021, 7:26 PM

#

i guess something that is when you write here thumbnail=request.FILES.get('thumbnail') and you didn't give it a thumbnail it show error bcz it cant get any data

#

in another hand, there is nothing to get

#

@dusk portal
i think you can do something like that thumbnail=request.FILES.get('thumbnail',Flase) to skip if there not any data

turbid horizon Oct 12, 2021, 7:41 PM

#

If I want to learn flask, what languages should I learn to be able to make a website

mystic wyvern Oct 12, 2021, 7:44 PM

#

turbid horizon If I want to learn flask, what languages should I learn to be able to make a web...

for backend (flask) python and for frontend you should learn a few things like (html, css , javascript )

turbid horizon Oct 12, 2021, 7:45 PM

#

mystic wyvern for backend (flask) python and for frontend you should learn a few things like (...

At what level should I learn those languages in order to make a decent website(I know this is general, I am sorry about that I just don't know what I should do with flask yet)

mystic wyvern Oct 12, 2021, 7:47 PM

#

turbid horizon At what level should I learn those languages in order to make a decent website(I...

you can now move on with flask and html,css you can skip javascript right now

native tide Oct 12, 2021, 7:48 PM

#

def members():
    try:
        print(request.form["invite"])
    except:
        return render_template('members.html')```

This is my app.py its flask and html, bnut i cant get to find the invite link

```<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Detective Voke's API</title>
        <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;900&display=swap" rel="stylesheet">
        <link rel="stylesheet" href="/static/style.css">    
    </head>
    <body>
        <header>
            <div class="wrapper">
                <div class="logo">
                    <img src="" alt="">
                </div>
            <ul class="nav-area">
            <li><a href="http://127.0.0.1:5000/">Home</a></li>
            <li><a href="http://127.0.0.1:5000/panel">Panel</a></li>
            </ul>
            </div>
            <div class="welcome-text2">
                    <h1>
            Discord Members<span></span></h1>
            <h1>Enter Invite</h1>
            <form method="POST" action="/members/api">
                <div class="memberinput">
                    <input type="text" name='invite', size="50" height="50" color="transparent">
                    <h1>Enter Key</h1>
                <div class="memberinput">
                    <input type="text" name='key', size="50" height="50" color="transparent">
                    <h1> </h1>
                </div>
                </div>
                <ul class="nav-area">
                    <li><a href="">Start</a></li>
            </form>
            </ul>
            </div>
        </header>

    </body>

</html>```

#

idk why no owkr

#

tbhj

real sparrow Oct 12, 2021, 7:50 PM

#

look into how to render an html template through flask

native tide Oct 12, 2021, 7:51 PM

#

wdym

real sparrow Oct 12, 2021, 7:51 PM

#

can you past the error you are getting?

native tide Oct 12, 2021, 7:51 PM

#

real sparrow can you past the error you are getting?

its just not sending the requests

#

@app.route("/members", methods=['GET', 'POST'])
def members():
try:
print(request.form["invite"])
except:
return render_template('members.html')

@app.route("/members/api", methods=['GET', 'POST'])
def member(invite, key):
return invite, key

#

but when i fill it in

#

it just resets as its sending to the render_template

#

sure

real sparrow Oct 12, 2021, 7:54 PM

#

you havent defined the job_elements object @native tide

#

@native tide what happens if you remove the try/except and just leave return render_template('members.html')

#

can you not get from it?

#

you need to define the job_elements object, how you do it is up to you.
what tutorial are you following?

native tide Oct 12, 2021, 7:56 PM

#

real sparrow <@456226577798135808> what happens if you remove the try/except and just leave r...

@app.route("/members", methods=['GET', 'POST'])
def members():
if request.method == "POST":
invite = request.form['invite']
print(invite)
return render_template('members.html')

#

thats what it was

#

but it just doesnt work

#

lmao

real sparrow Oct 12, 2021, 7:56 PM

#

nice

#

that makes sense

#

ah dang

#

youre missing this line job_elements = results.find_all("div", class_="card-content")

#

its in the tutorial

native tide Oct 12, 2021, 7:59 PM

#

real sparrow its in the tutorial

#

it just resets me to the same page

#

...

real sparrow Oct 12, 2021, 8:00 PM

#

how are you testing the POST?

native tide Oct 12, 2021, 8:00 PM

#

#

if request.method == "POST":
invite = request.form['invite']
print(invite)

real sparrow Oct 12, 2021, 8:00 PM

#

how are you performing the request?

#

python requests? or just your prowser?

native tide Oct 12, 2021, 8:01 PM

#

<form method="POST" action="/members">
<div class="memberinput">
<input type="text" name='invite', size="50" height="50" color="transparent">
<h1>Enter Key</h1>
<div class="memberinput">
<input type="text" name='key', size="50" height="50" color="transparent">
<h1> </h1>
</div>
</div>
<li><a href="">Start</a></li>
</form>

real sparrow Oct 12, 2021, 8:01 PM

#

browser*

#

that not the request, that's the return.

#

Are you connecting to the endpoint with your browser?

native tide Oct 12, 2021, 8:01 PM

#

yes

#

real sparrow Oct 12, 2021, 8:02 PM

#

try removing the "GET" and leave just the POST

native tide Oct 12, 2021, 8:02 PM

#

i just need to get the invite so i can send the invite into a channel

real sparrow Oct 12, 2021, 8:02 PM

#

in the flask file

native tide Oct 12, 2021, 8:03 PM

#

real sparrow try removing the "GET" and leave just the POST

already done that

real sparrow Oct 12, 2021, 8:03 PM

#

and still just GETs?

native tide Oct 12, 2021, 8:03 PM

#

'method not allowed'

#

i cant even open it

#

#

yes im doing maths

#

shush

real sparrow Oct 12, 2021, 8:04 PM

#

but if you leave the GET then it allws that request?

native tide Oct 12, 2021, 8:04 PM

#

no.

#

thats not how it works

#

lmfao

pallid lily Oct 12, 2021, 8:04 PM

#

is there a difference between request.form.get("invite")

#

and request.form['invite']

native tide Oct 12, 2021, 8:05 PM

#

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Detective Voke's API</title>
<link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;900&display=swap" rel="stylesheet">
<link rel="stylesheet" href="/static/style.css">
</head>
<body>
<header>
<div class="wrapper">
<div class="logo">
<img src="" alt="">
</div>
<ul class="nav-area">
<li><a href="http://127.0.0.1:5000/">Home</a></li>
<li><a href="http://127.0.0.1:5000/panel">Panel</a></li>
</ul>
</div>
<div class="welcome-text2">
<h1>
Discord Members<span></span></h1>
<h1>Enter Invite</h1>
<form method="post" action="/members">
<div class="memberinput">
<input type="text" name='invite', size="50" height="50" color="transparent">
<h1>Enter Key</h1>
<div class="memberinput">
<input type="text" name='key', size="50" height="50" color="transparent">
<h1> </h1>
</div>
</div>
<li><a href="">Start</a></li>
</form>
</div>
</header>

</body>

</html>

pallid lily Oct 12, 2021, 8:05 PM

#

native tide no.

check request.form.get('invite') instead of request.form['invite']

native tide Oct 12, 2021, 8:05 PM

#

its not that

#

the request is a get request

#

when it is cleartly a post request

#

#

hence

#

post

pallid lily Oct 12, 2021, 8:05 PM

#

try to do a print statement

native tide Oct 12, 2021, 8:05 PM

#

if request.method == "POST":
invite = request.form['invite']
print(invite)

#

...

pallid lily Oct 12, 2021, 8:06 PM

#

did it return a value?

native tide Oct 12, 2021, 8:06 PM

#

127.0.0.1 - - [12/Oct/2021 20:06:05] "GET /members HTTP/1.1" 200 -
127.0.0.1 - - [12/Oct/2021 20:06:05] "GET /static/style.css HTTP/1.1" 304 -
127.0.0.1 - - [12/Oct/2021 20:06:07] "GET /members HTTP/1.1" 200 -
127.0.0.1 - - [12/Oct/2021 20:06:07] "GET /static/style.css HTTP/1.1" 304 -

#

see

native tide Oct 12, 2021, 8:06 PM

#

pallid lily did it return a value?

no

past lion Oct 12, 2021, 8:06 PM

#

mystic wyvern this is a perfect video to understand

hey i watched this video ! it worked but data only shows on django admin page. it doesn't shows on database

native tide Oct 12, 2021, 8:06 PM

#

it returns as a get request.

pallid lily Oct 12, 2021, 8:06 PM

#

then try to do it as request.form.get('invite')

#

and see if any changes

native tide Oct 12, 2021, 8:06 PM

#

omg

#

its sending as a GET REQUESTS

#

this is if its a POST REQUEST

#

/

#

SEE

#

it wont change shit

#

...

pallid lily Oct 12, 2021, 8:07 PM

#

my friend

#

just try it

dense slate Oct 12, 2021, 8:07 PM

#

wow

native tide Oct 12, 2021, 8:07 PM

#

it wont change anything

#

i know how to code.

#

and that wont change shit

dense slate Oct 12, 2021, 8:07 PM

#

@native tide Maybe you shouldn't ask for help since you know how to code.

pallid lily Oct 12, 2021, 8:07 PM

#

no one is questioning how you code my friend

native tide Oct 12, 2021, 8:07 PM

#

dense slate <@456226577798135808> Maybe you shouldn't ask for help since you know how to cod...

aight

#

yall are useless as shit

#

ong

dense slate Oct 12, 2021, 8:08 PM

#

Glad to help when someone is courteous about it. Go fix it yourself.

real sparrow Oct 12, 2021, 8:09 PM

#

yeah fuck that guy, can't even explain his problem

pallid lily Oct 12, 2021, 8:09 PM

#

native tide aight

def signup():
if request.method == 'POST':
username = request.form.get('username')
email = request.form.get('email')
password1 = request.form.get('password1')
password2 = request.form.get('password2')

#

this is how i do it and it works well

native tide Oct 12, 2021, 8:09 PM

#

its my html code

#

i use the exact same thing

#

its in the html file

real sparrow Oct 12, 2021, 8:10 PM

#

@native tide maybe you added it too early? add it under the "results" variable

#

no I was talking about Detective Voke

#

did the error at least change?

pallid lily Oct 12, 2021, 8:13 PM

#

do i need to learn OOP well befor starting Django and Tkinter apps for better understanding and code?

#

if so i need good references please ❤️

real sparrow Oct 12, 2021, 8:14 PM

#

its find_all not findall

calm plume Oct 12, 2021, 8:16 PM

#

Can you show the code and what's around it?

#

Specifically, what's before the class that you defined?

real sparrow Oct 12, 2021, 8:17 PM

#

you have issues in your loop, it should be job_result not jobresult

#

for job_element in job_elements:
title_element = jobelement.find("h2", class="title")
company_element = jobelement.find("h3", class="company")
location_element = jobelement.find("p", class="location")

Should be

title_element = job_element.find("h2", class="title")

calm plume Oct 12, 2021, 8:19 PM

#

It's class_, not class. https://www.crummy.com/software/BeautifulSoup/bs4/doc/#searching-by-css-class

#

Glad I could help 🙂

real sparrow Oct 12, 2021, 8:23 PM

#

Nice!

dense slate Oct 12, 2021, 8:23 PM

#

pallid lily do i need to learn OOP well befor starting Django and Tkinter apps for better un...

Nope, you can simply use function-based views.

#

At least for Django

pallid lily Oct 12, 2021, 8:24 PM

#

i mean for clean functioning and code

real sparrow Oct 12, 2021, 8:24 PM

#

happy hacking 🙂

dense slate Oct 12, 2021, 8:24 PM

#

pallid lily i mean for clean functioning and code

What?

pallid lily Oct 12, 2021, 8:25 PM

#

I mean i saw some people make tkinter codes for like top level etc in classes

dense slate Oct 12, 2021, 8:25 PM

#

That's how Django functions.

pallid lily Oct 12, 2021, 8:25 PM

#

it was so clean

dense slate Oct 12, 2021, 8:25 PM

#

I don't know about tkinter.

pallid lily Oct 12, 2021, 8:25 PM

#

okay thanks

dense slate Oct 12, 2021, 8:25 PM

#

Classes are an option, sure.

pallid lily Oct 12, 2021, 8:43 PM

#

for Javascript some times you need to disable javascript from the browser to see if the data you need is rendered by JS or not

#

if it is use splash or Selenium

carmine cipher Oct 12, 2021, 10:33 PM

#

Hello guys !Can someone tell me what best programming language for backend ?

pallid lily Oct 12, 2021, 10:53 PM

#

Python (Django,FastAPI and Flask) , Javascript (Node.js)

carmine cipher Oct 12, 2021, 10:56 PM

#

pallid lily Python (Django,FastAPI and Flask) , Javascript (Node.js)

Thanks!

pallid lily Oct 12, 2021, 10:59 PM

#

np

real fossil Oct 12, 2021, 11:04 PM

#

Hey all, can you help me with my poorly explained issue that I will give you more information about but you'll have to fight me for it each time and then I can get mad and tell you off because I don't understand your answer/am incapable of thinking laterally

dusk sonnet Oct 13, 2021, 1:36 AM

#

Hey, anyone got an idea on how to fix this? my body doesnt seem to be full size and only gets bigger the more content there is. Iv tried the following CSS but it doesnt change anything. Iv been stuck for a whole day on it. ```css
html, body {
height: 100%;
}

olive patrol Oct 13, 2021, 1:52 AM

#

dusk sonnet Hey, anyone got an idea on how to fix this? my `body` doesnt seem to be full siz...

Try height: 100vh on body

crude delta Oct 13, 2021, 2:00 AM

#

Hey

dusk sonnet Oct 13, 2021, 2:03 AM

#

olive patrol Try `height: 100vh` on `body`

nothing happens

wooden ruin Oct 13, 2021, 2:04 AM

#

what are things i should look for to put in a personal website? i wanna make a portfolio but i'm not sure how to showcase myself

lucid marsh Oct 13, 2021, 2:52 AM

#

I have an instance hosted, i want to run a flask app on a specific port, when i tried using app.run(host='0.0.0.0', port=1234), i cannot access it with public IP, anybody know how to use the public IP?

frank shoal Oct 13, 2021, 2:54 AM

#

Are you forwarding the port?

#

Does your host whitelist the ports? It may give you a PORT variable to use.

lucid marsh Oct 13, 2021, 2:56 AM

#

i accessed it from my browser with http://ip:1234, but i used sudo ufw allow 1234/tcp

frank shoal Oct 13, 2021, 2:57 AM

#

You port forward in your router config

#

https://portforward.com/

Port Forward

How To Set Up Port Forwarding - Portforward

A port forward is a way of making a computer on your home or business network accessible to computers on the internet even though they are behind a router. It is commonly used in gaming security camera setup voice over ip and downloading files.

lucid marsh Oct 13, 2021, 2:58 AM

#

i have it hosted on aws

#

i have another flask app running with apache2, it works fine and i can access it

frank shoal Oct 13, 2021, 2:58 AM

#

I believe in aws, all outside traffic goes through the reverse proxy

#

Or at least you should configure it to do so

lucid marsh Oct 13, 2021, 3:00 AM

#

hmm

#

oh btw, when i use 0.0.0.0 as host in flask, it hosts in the local IP shown

#

tried to use the public ip too, didnt work, it gives error no.99

frank shoal Oct 13, 2021, 3:04 AM

#

Is it the public ip, or the local ip?

#

You can't bind to an address you don't have

#

0.0.0.0 just means bind to all interfaces

lucid marsh Oct 13, 2021, 3:05 AM

#

frank shoal Is it the public ip, or the local ip?

the ip i usually use to access from browser

frank shoal Oct 13, 2021, 3:06 AM

#

Is it the ip that shows up in the ip addr command?

lucid marsh Oct 13, 2021, 3:08 AM

#

the ip that shows up in ip addr is just local, 127.0.0.1

#

ok no its not the ip that shows in ip addr

frank shoal Oct 13, 2021, 3:10 AM

#

Then how are you connected?

lucid marsh Oct 13, 2021, 3:10 AM

#

i use ssh -i auth.pem ubuntu@ip

frank shoal Oct 13, 2021, 3:11 AM

#

127.0.0.1 is just localhost

lucid marsh Oct 13, 2021, 3:11 AM

#

ik

lucid marsh Oct 13, 2021, 3:11 AM

#

lucid marsh i use `ssh -i auth.pem ubuntu@ip`

i tried to run flask with the ip in here, but error no 99

#

Theres 3 IPs, the localhost (127.0.0.1), the local IP, and the public ip (which can be accessed anywhere) right?

#

i can access my instance using ssh and with the public ip

#

i want to host flask app in the public ip, but in a specific port

native tide Oct 13, 2021, 3:32 AM

#

hey, I was trying to deploy a machine learning model on Django. can anybody help me

lucid marsh Oct 13, 2021, 3:32 AM

#

native tide hey, I was trying to deploy a machine learning model on Django. can anybody help...

just ask

native tide Oct 13, 2021, 3:34 AM

#

I have a trained PyTorch and I want to deploy it using Django. when I give both solvent and solute it should predict the energy

#

I have made this interface using forms in Html. when I search on the internet they are saying do the serialization. It's so confusing

#

html page

#

models.py

#

views.py.

#

urls.py

#

please point out what should i need to do next

dusk portal Oct 13, 2021, 3:41 AM

#

mystic wyvern <@!446207619837984777> i think you can do something like that``` thumbn...

Flase?

indigo kettle Oct 13, 2021, 4:00 AM

#

@native tide I don't know what the internet means by serializing, I don't think you need to do anything like that

#

you could make your <form action="" method="POST"

#

and then edit your homepage view to handle a POST and GET request

#

then you can get your form inputs using request.POST.get('solute') or something like that

#

you need to name your inputs too <input name='solute'

native tide Oct 13, 2021, 4:47 AM

#

what should i need to keep for action=??

pallid lily Oct 13, 2021, 4:47 AM

#

native tide I have a trained PyTorch and I want to deploy it using Django. when I give both ...

in <forms> add method='POST'

#

native tide Oct 13, 2021, 4:52 AM

#

'directory recivin gthis input I am not rendering any page i was just taking response from two fields in models

pallid lily Oct 13, 2021, 4:52 AM

#

your not rendering the page

#

your giving it a pathway to send this data to

#

and in the < input attributes

#

you should enter any name for input to identifiy it as key later such as name='input1' id ='input1'

#

so when you call for it on python side you type in this code request.form.get('input1')

#

#

this is an example..

broken harness Oct 13, 2021, 5:19 AM

#

Is someone able to help me upload my django site to my website? I am using godaddy

white wigeon Oct 13, 2021, 6:32 AM

#

any decent library which can escape JSON strings to be safely output into JS from Python? e.g. var foo = "</script>" causes issues so just json.dumps("</script>") is not enough

dusk portal Oct 13, 2021, 6:58 AM

#

hey

#

still having same issue

dusk portal Oct 13, 2021, 6:59 AM

#

dusk portal ```py ValueError at /notes/5/ The 'thumbnail' attribute has no file associated w...

..

dusk portal Oct 13, 2021, 6:59 AM

#

dusk portal so the thing when im adding any post from admin panel without thumbnail , it's l...

..

dusk portal Oct 13, 2021, 6:59 AM

#

dusk portal ```py @login_required @cache_page(60*2) def notes_upload(request): if reques...

..

dusk portal Oct 13, 2021, 6:59 AM

#

dusk portal but when im upload new post without thumbnail from frontend it's throwing error

..

white wigeon Oct 13, 2021, 7:08 AM

#

this seems pretty simple https://github.com/yourcelf/escapejson/blob/master/escapejson/escapejson.py

GitHub

escapejson/escapejson.py at master · yourcelf/escapejson

Escape JSON strings to make them safe to include in javascript environments. - escapejson/escapejson.py at master · yourcelf/escapejson

native tide Oct 13, 2021, 7:33 AM

#

how do I make django auto-refresh the server when a non-django script is updated?

#

in this case brython

#

oh nvm I'm an idiot

dusk portal Oct 13, 2021, 7:48 AM

#

native tide oh nvm I'm an idiot

pyweek champion's are saying themself idiot wow

native tide Oct 13, 2021, 7:53 AM

#

I was part of a very talented team

#

but I meant it jokingly, I'm actually a genius

pallid lily Oct 13, 2021, 8:02 AM

#

Team champions?

#

where can i watch this !

sudden bolt Oct 13, 2021, 8:05 AM

#

is django required to build a py web?

harsh helm Oct 13, 2021, 8:09 AM

#

How good is Cloudflare for hobbyists

mint marsh Oct 13, 2021, 8:10 AM

#

Hello guys i got a question :
Say i got a Comment section with x amount of likes and i have two different people viewing that website at the same time,

Say one of them likes it , so the database updates ,

How do i make it so it re-renders the amount of likes to the other person

#

My question is , How to change what a user sees on his screen when the data in the database changes or updates

south stump Oct 13, 2021, 9:27 AM

#

Hi, i have a bunch of questions, im currently learning Spring-boot (java) and Angular, I was suggested to check out some python implementations because my project wont need the overhead and scalability that those have.

I have seen a tiny bit of DJango and heard about something called flask but this can apply to any in particular.

Here are my questions:

is it something better to avoid if using an OOP design?

can they use html/css/scss?

^ follow up can they use bootstrap?

is it limited to a specific DB?

Is there adequate security, user registration, role management included or 3rd party imports that support it?

Is it reliable?

Apologies for the spam, just trying to get a feel/opinions before I dive into research - i've already swapped out technology like two/three times'

south stump Oct 13, 2021, 9:29 AM

#

mint marsh Hello guys i got a question : Say i got a Comment section with x amount of likes...

im not sure when it comes to python but is that not bound if you are using something like MVVM design?

inland oak Oct 13, 2021, 10:05 AM

#

south stump Hi, i have a bunch of questions, im currently learning Spring-boot (java) and An...

is it something better to avoid if using an OOP design?: Flask, Django, Fast API and any other framework and python are fully OOP compatible.
can they use html/css/scss?: Yes, although it is backend framework. While they can work with html/css, they aren't really meant for extensive javascript usage.
Better to turn them on into REST JSON API mode and use it appripriately with frontend frameworks (Angular/React/Vue and e.t.c.)
Django REST: https://www.django-rest-framework.org/
P.S. i don't know about scss, because never used it.
^ follow up can they use bootstrap? Yes. I already did it. Essentially python frameworks give you only Jinja2 templating syntax {{variable}} {{for each element}} write stuff {{end for each}}. But nothing from javascript syntax (no mounts and e.t.c.)
is it limited to a specific DB? Flask/FastAPI has no limits. Whatever database connecting library you will install, that you can use, I could recommend SQLAclehmy for flask for example.
in django case... it involves a lot of 'train on rails' approach, it has already inbuilt DB library Django ORM. From SQL database family better to use compatible with with the library dbs (for example postgresql is prefered u ll get the most amount of features, although MySQL and others you can use too). NoSQL dbs have no limits, but better to see Django Cache compatible ones.

Is there adequate security, user registration, role management included or 3rd party imports that support it? Django is certainly battery included with everything. Flask is definitely not, it follows microframework approach.

Is it reliable? Sure. I would recommend Django, it helps to make as less mistake as possible, as long as you use inbuilt "train on rails" libraries.

late hollow Oct 13, 2021, 12:33 PM

#

Is there a good Django or Flask course/content that’s a bit challenging? I’ve heard about Corey Schafer but I want to hear what are y’all’s thoughts

#

I prefer less handholding

dense slate Oct 13, 2021, 12:34 PM

#

Challenging meaning you know the basics?

#

Any particular thing about it you want to learn how to use?

past lion Oct 13, 2021, 12:35 PM

#

Hello guys!

#

I have a problem

#

How to get data from database in django and loop through it to get image, name , surname and other data

#

i want to loop this

<ol>
    <li><img src="../../media/{{img}}">{{ first_name }} {{ last_name }}</li>
</ol>
``` to get list of everyone in the database

lusty relic Oct 13, 2021, 12:53 PM

#

**Authorization using Casbin for a Flask Project
**
I am using flask-jwt-extended for authentication in my project. Right now, I have few custom fields like isAdmin, isSuperAdmin in user table for authorization purpose.
However, I want to have dynamic roles and have RBAC in my project. While trying Casbin, I can see it is capable to do RBAC. But, even if I use Casbin I have to create the policy table for Casbin from my project and the policy table should be dynamic.

I was wondering, if all Casbin really does is look into policy table and say whether an entity is accessible or not, then why use it altogether, I can just write few functions to go through my DB and perform the authorization.
Please kindly let me know if I am missing something.

Also, how scalable is the combination of Flask, Casbin and MongoDB if anyone has tried this stack? I was thinking to use Pymongo Adapter for Casbin.

foggy plover Oct 13, 2021, 1:03 PM

#

Hey! Has anyone ever deployed a Flask App on Docker? I am able to make the docker image, it's even running but not showing on localhost. I am currently using Windows 10 OS

south stump Oct 13, 2021, 1:03 PM

#

inland oak **is it something better to avoid if using an OOP design?**: Flask, Django, Fas...

I appreciate the time you spend to reply to these questions. Thanks

jaunty depot Oct 13, 2021, 2:00 PM

#

hey guys
I'm trying to center a table in a modal, but unfortunately I don't quite get how to make it. I tried "text-align" in css, but it is not helping. I had to implement padding-left with 11%, but I don't get what and why it is 11% (of what?). Could anyone explain to me how to do this?

<div class="modal-content">
            <span class="close">&times;</span>
            <table>
                <th>In our offer we have:</th>
                <tr>
                    <td>X</td>
                </tr>
                <tr>
                    <td>Y</td>
                </tr>
                <tr>
                    <td>Z</td>
                </tr>
                <tr>
                    <td>1</td>
                </tr>
                <tr>
                    <td>2</td>
                </tr>
                <tr>
                    <td>3</td>
                </tr>

            </table>
        </div>```

table {
display: block;
padding-left: 11%;
margin-left: auto;
margin-right: auto;
width: 40%;
display: inline-block;
background-color: rgb(6, 163, 40);
/* text-align: center; */
border-radius: 5px;

}```

 .modal-content {
    background-color: #97adc2;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    border-radius: 10px;
    font-family: sans-serif;
    font-size: 20px;
    text-align: center;
  }

#

in this state it looks like the table is in center, but when I expand or compress the site, it's going off, it's not in the center like the rest of the site

#

text-align: center in table style does nothing

#

in 50% zoom it looks like this:

#

how to make it in the center for good?

#

the green color of the table is just for reference, to see where are the borders of table

native tide Oct 13, 2021, 2:51 PM

#

hello

native tide Oct 13, 2021, 4:20 PM

#

i need help

#

my css doesnt wrk

proven falcon Oct 13, 2021, 4:21 PM

#

!paste

lavish prismBOT Oct 13, 2021, 4:21 PM

#

Pasting large amounts of code

If your code is too long to fit in a codeblock in discord, you can paste your code here:
https://paste.pythondiscord.com/

After pasting your code, save it by clicking the floppy disk icon in the top right, or by typing ctrl + S. After doing that, the URL should change. Copy the URL and post it here so others can see it.

native tide Oct 13, 2021, 4:23 PM

#

https://paste.pythondiscord.com/ilakoyagal.xml

#

i need help

#

my css doesnt work

#

helpppp pls

shadow vine Oct 13, 2021, 4:31 PM

#

where is your static directory located?

#

also if using flask, recommendation is to use {{url_for('static/path/to/file/', filename='filename.ext')}}

#

in your html template

native tide Oct 13, 2021, 4:32 PM

#

#

from flask import Flask, render_template

app = Flask(name)

@app.route('/')
def hello_world():
return render_template("index.html")

@app.route('/about')
def about():
return "<h1>About Page</h1>"

if name == 'main':
app.run(debug=True)

#

it worked before until i changed my code around

#

only the code

shadow vine Oct 13, 2021, 4:35 PM

#

can i see your index.html?

#

directly from your source code?

native tide Oct 13, 2021, 4:36 PM

#

<!DOCTYPE html>
<html>
  <head>
    <title>Clicker</title>
    <meta charset="UTF-8" />
    <link rel="stylesheet" href="static/css/style.css" />
    <script src="static/js/myjs.js" type="module"></script>
  </head>
  <body>
    <div class="cont">
      <label id="progresslabel" for="file">Progress to Level</label>
      <progress id="file" value="" max=""></progress>
      <!-- bar stays same length even after changing max which is good -->
    </div>
    <div class="btn-wrap">
      <button id="btnLevel" data-func="levelUp" disabled>
        <img src="static\images\level.png" />
      </button>
      <button id="btnCookie" data-func="click">
        <img src="static\images\cookie.png" />
      </button>
      <button id="btnMenu" data-func="menu">
        <img src="static\images\list.png" />
      </button>
    </div>

    <!-- # is for id and . is for class-->
  </body>
</html>

shadow vine Oct 13, 2021, 4:41 PM

#

change your href when linking stylesheet to: {{ url_for('static/css', filename='style.css') }}

#

{{ url_for('static/css', filename='style.css') }}

#

this is the preferred way of referencing static files within your templates

spark dagger Oct 13, 2021, 4:47 PM

#

app = Flask(__name__, static_url_path='')

shadow vine Oct 13, 2021, 4:48 PM

#

excellent

stark tartan Oct 13, 2021, 4:48 PM

#

hey i am going to build the video chat website using django WEB-RTC with django channels please give some docs or any suggestion is it possible to do this ??

shadow vine Oct 13, 2021, 4:49 PM

#

https://channels.readthedocs.io/en/stable/

stark tartan Oct 13, 2021, 4:50 PM

#

shadow vine https://channels.readthedocs.io/en/stable/

I think WEBRTC requires messaging server I can use DC with it

#

Or React will fine

dim river Oct 13, 2021, 4:52 PM

#

from flask import Flask, render_template, request
from flask_mysqldb import MySQL

app = Flask(name)
app.config['MySQL_HOST']: "localhost"
app.config['MySQL_USER']: "root"
app.config['MySQL_PASSWORD']: "password"
app.config['MySQL_DB']: "flasktest"
mysql = MySQL(app)

@app.route("/", methods=['GET', 'POST'])
def loginpage():
if request.method == 'POST':
userlogin = request.form
password = userlogin["password"]
email = userlogin["email"]
cur = mysql.connection.cursor()
cur.execute('SELECT * FROM details WHERE email = %s AND password = %s', (email, password))
details = cur.fetchone()
print(details)
cur.close()
return "success"
return render_template('loginpage.html') error :-MySQLdb._exceptions.OperationalError: (1045, "Access denied for user 'balla'@'localhost' (using password: NO)")
127.0.0.1 - - [13/Oct/2021 22:19:46] "POST / HTTP/1.1" 500 -

spark dagger Oct 13, 2021, 4:52 PM

#

dim river from flask import Flask, render_template, request from flask_mysqldb import MySQ...

you entered incorrect password or username

stark tartan Oct 13, 2021, 4:53 PM

#

@spark dagger shall I try it then we will discuss

dim river Oct 13, 2021, 4:53 PM

#

spark dagger you entered incorrect password or username

can you pls help point out as to why for root i am getting balla as the username ?

spark dagger Oct 13, 2021, 4:53 PM

#

dim river can you pls help point out as to why for root i am getting balla as the username...

#

correct this one

#

enter you db username and password

#

it will work

stark tartan Oct 13, 2021, 4:54 PM

#

Is Socket.io is simillar to DC ??

#

Django channels

tepid wren Oct 13, 2021, 4:54 PM

#

stark tartan Is Socket.io is simillar to DC ??

yup both are webscokets implementations

stark tartan Oct 13, 2021, 4:56 PM

#

I built a test application with DC and Webrtc it works.. now I am working with Google meet like project

#

Is anybody is Webrtc expert are you @spark dagger ??

shadow vine Oct 13, 2021, 4:59 PM

#

not me lol

stark tartan Oct 13, 2021, 4:59 PM

#

shadow vine not me lol

Okay 😩 let me try it

tepid lark Oct 13, 2021, 5:32 PM

#

Would it be sane to just use a sqlite database in a Docker container plus dynamodb backed sessions ?

dusty moon Oct 13, 2021, 5:39 PM

#

CSS question (again(:
I have a <div> and an <a>.
I'm trying to use padding to vertically stretch the <a>, I'm doing that with 100% unit. With height it respects the height, but not centers the text...

tepid lark Oct 13, 2021, 5:41 PM

#

We're talking maybe a hundred users in total for this important but low volume app.

native tide Oct 13, 2021, 5:42 PM

#

shadow vine change your href when linking stylesheet to: {{ url_for('static/css', filename='...

can u accept friend req

native tide Oct 13, 2021, 5:43 PM

#

native tide can u accept friend req

@shadow vine

tough oriole Oct 13, 2021, 6:42 PM

#

Hi
I'd like to start a project together with a buddy. I'd like to practice backend development, as this is a huge black-box for me. The only question I've is how do I deploy the backend so that my buddy can develop the UI for the frontend using the provided interfaces / APIs / endpoints?

runic lodge Oct 13, 2021, 6:47 PM

#

Has anyone tried to host with heroku before?

#

I'm trying to push a node.js file with yarn gulp and a few other dependencies but it's not deploying the front end. The log information is as follows

-----> Building on the Heroku-20 stack
-----> Using buildpack: heroku/nodejs
-----> Node.js app detected
       
-----> Creating runtime environment
       
       NPM_CONFIG_LOGLEVEL=error
       USE_YARN_CACHE=true
       NODE_VERBOSE=false
       NODE_ENV=production
       NODE_MODULES_CACHE=true
       
-----> Installing binaries
       engines.node (package.json):  v10.19.0
       engines.npm (package.json):   unspecified (use default)
       engines.yarn (package.json):  unspecified (use default)
       
       Resolving node version v10.19.0...
       Downloading and installing node 10.19.0...
       Using default npm version: 6.13.4
       Resolving yarn version 1.22.x...
       Downloading and installing yarn (1.22.15)
       Installed yarn 1.22.15
       
-----> Restoring cache
       - yarn cache
       
-----> Installing dependencies
       Installing node modules (yarn.lock)
       yarn install v1.22.15
       [1/4] Resolving packages...
       [2/4] Fetching packages...
       info fsevents@1.2.4: The platform "linux" is incompatible with this module.
       info "fsevents@1.2.4" is an optional dependency and failed compatibility check. Excluding it from installation.
       [3/4] Linking dependencies...
       [4/4] Building fresh packages...
       Done in 13.90s.
       
-----> Build
       
-----> Pruning devDependencies
       yarn install v1.22.15
       [1/4] Resolving packages...
       [2/4] Fetching packages...
       info fsevents@1.2.4: The platform "linux" is incompatible with this module.
       info "fsevents@1.2.4" is an optional dependency and failed compatibility check. Excluding it from installation.
       [3/4] Linking dependencies...
       [4/4] Building fresh packages...
       warning Ignored scripts due to flag.
       Done in 4.48s.

#

-----> Caching build
       - yarn cache
       
-----> Build succeeded!
 !     This app may not specify any way to start a node process
       https://devcenter.heroku.com/articles/nodejs-support#default-web-process-type
-----> Discovering process types
       Procfile declares types     -> (none)
       Default types for buildpack -> web
-----> Compressing...
       Done: 40.6M
-----> Launching...
       Released v5

#

But I'm not seeing what errors it's throwing at me.

#

The only one is

info fsevents@1.2.4: The platform "linux" is incompatible with this module.

stable sentinel Oct 13, 2021, 7:11 PM

#

in django form what attr do i need to set a default value to a MultipleChoiceField? and to have the said field disabled? (greyed out)

calm plume Oct 13, 2021, 7:11 PM

#

runic lodge The only one is ``` info fsevents@1.2.4: The platform "linux" is incompatible w...

I don't know what else is wrong, but know that this error is irrelevant. It doesn't mean anything.

runic lodge Oct 13, 2021, 7:12 PM

#

calm plume I don't know what else is wrong, but know that this error is irrelevant. It does...

would you like to see the directed package folder that gulp uses?

calm plume Oct 13, 2021, 7:12 PM

#

I've never used gulp, so I doubt I'd be of much help

runic lodge Oct 13, 2021, 7:12 PM

#

{
  "name": "particle",
  "version": "1.0.0",
  "description": "An awesome app.",
  "main": "index.js",
  "engines": {
    "node": "v10.19.0",
    "yarn": "1.22.13"
  },
  "scripts": {
    "start": "gulp"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "browser-sync": "^2.26.3",
    "gulp": "^4.0.0",
    "gulp-concat": "^2.6.1",
    "gulp-csso": "^3.0.1",
    "gulp-imagemin": "^5.0.3",
    "gulp-plumber": "^1.2.1",
    "gulp-sass": "^4.0.2",
    "gulp-uglify": "^3.0.1"
  }
}

#

ah okay

runic lodge Oct 13, 2021, 7:31 PM

#

So it deploys on localhost 3000 but not 5000

#

https://stackoverflow.com/questions/64724124/herokuapp-cant-deploy-but-works-perfectly-on-localhost3000

Stack Overflow

Herokuapp can't deploy, but works perfectly on localhost:3000

I have a problem with my first chat app. When I run on the localhost, it works perfectly. But, when i deploy it to the Herokuapp, it was an error:
Error Herokuapp Screen
Here is my script: app.js
var

#

so weird

carmine cipher Oct 13, 2021, 7:34 PM

#

Hello guys , can someone tell me what best frameworks for JavaScript and CSS?

runic lodge Oct 13, 2021, 7:47 PM

#

carmine cipher Hello guys , can someone tell me what best frameworks for JavaScript and CSS?

Best is subjective. The most active is React, jQuery, Express and Angular.

#

Best for simplicity and power is VUE, most syntactically complicated is Angular, most widely used is React.

sonic hearth Oct 13, 2021, 7:51 PM

#

hey folks - i am using flask trying to setup some user signup, getting an issue when i import routes file into my main app

from flask import Flask, render_template

app = Flask(__name__)

#Routes
from user import routes

#

and routes file is just this

from flask import Flask
from app import app
from user.models import User

@app.route('/user/signup', methods=['GET'])
def signup():
    return User().signup()

#

when i try to load /user/signup page i am getting 404

calm plume Oct 13, 2021, 7:57 PM

#

runic lodge Best for simplicity and power is VUE, most syntactically complicated is Angular,...

I'd say Svelte is the simplest (and probably the fastest out of all 4)

runic lodge Oct 13, 2021, 7:59 PM

#

calm plume I'd say Svelte is the simplest (and probably the fastest out of all 4)

ooh a new one, it looks promising

#

so progress made... basically im able to host it at local host 3000

#

but it needs to be at 5000

#

in order for it to properly function on heroku

native tide Oct 13, 2021, 8:00 PM

#

Can smb. help with Django DRF and password change?
Please also see: https://stackoverflow.com/questions/69561555/django-drf-unable-to-change-user-password-as-user-at-request-is-none

Stack Overflow

Django DRF - Unable to change user password as user at request is None

my application has an endpoint to change a users password using Django rest framework (DRF). I'm currently running into the following error if I try to change a users password:
File "/App/App_...

runic lodge Oct 13, 2021, 8:00 PM

#

which makes no sense because in order for an application to work it needs to have a client facing ports of either 80 or 443.

jaunty magnet Oct 13, 2021, 8:01 PM

#

when making a fullstack app, do yall usually start with the frontend or backend? Making a chat app and not sure if I should making my models, views first or start with basic react layout and build backend as I build out my react side?

carmine cipher Oct 13, 2021, 8:04 PM

#

runic lodge Best for simplicity and power is VUE, most syntactically complicated is Angular,...

Exactly what I was searching for.Thamks

runic lodge Oct 13, 2021, 8:04 PM

#

jaunty magnet when making a fullstack app, do yall usually start with the frontend or backend?...

Ground up, so backend first then work on incorporating client facing front end.

#

Thats how development teams work and thats how I choose to approach it but feel free to choose what you want

jaunty magnet Oct 13, 2021, 8:05 PM

#

runic lodge Thats how development teams work and thats how I choose to approach it but feel ...

I was thinking the same, but i just started learning django and trying to build my frist relationship app (one-to-many) and its really hard for me to visualize it

#

like all the views I need and which ones

runic lodge Oct 13, 2021, 8:06 PM

#

jaunty magnet like all the views I need and which ones

I don't know what you mean by views. Conceptual? or where to start or what

jaunty magnet Oct 13, 2021, 8:07 PM

#

django views like do I need a get view for this page or a full crud view for another page blah balh

runic lodge Oct 13, 2021, 8:07 PM

#

That tells me nothing

jaunty magnet Oct 13, 2021, 8:08 PM

#

Like if I click chatroom ill need a GET view because it needs to grab all the messages from that chatroom model, but I'll need to probably delete messages too. So it's hard to visualize all the cases of views ill need without the frontend, but im new to django so im guessing its my current mindset

calm plume Oct 13, 2021, 8:09 PM

#

jaunty magnet when making a fullstack app, do yall usually start with the frontend or backend?...

What I do is make the backend for each "component/part", and then the frontend

#

Or sometimes vice versa

#

So that it lets me visualize it, while still making sure both are being worked on

jaunty magnet Oct 13, 2021, 8:09 PM

#

calm plume What I do is make the backend for each "component/part", and then the frontend

so you look at a component and then form the views youll need based on that component?

calm plume Oct 13, 2021, 8:09 PM

#

Yeah, pretty much

jaunty magnet Oct 13, 2021, 8:09 PM

#

calm plume Yeah, pretty much

i really like that idea

runic lodge Oct 13, 2021, 8:13 PM

#

jaunty magnet Like if I click chatroom ill need a GET view because it needs to grab all the me...

Backend is what you do with the user data.
So take login information, security will be important. So when a user signs up or enters a password you want to store that information in a database. I recommend sqllite for your case at the moment. Import that data and store it then work on retrieval.
You can then build out the client facing backend Django and feed that information to your client facing front end html and css.
I made a diagram to help me visualize whats occuring which may help you.

#

I would take a step back and visualize what you want to do. Look at the broad concepts of the design. What do you want to do, then break it down into bite sized chunks of information.

#

Just replace flask with Django in the above diagram.

jaunty magnet Oct 13, 2021, 8:18 PM

#

runic lodge Backend is what you do with the user data. So take login information, security w...

that was really nice of you to make that. thank you for explaining it. It seems like starting with backend is probably the best way. I might start with a hybrid tho rn just because I am overwhelmed with learning django and still feel lost at times (especially with relationships like one to many)

runic lodge Oct 13, 2021, 8:34 PM

#

jaunty magnet that was really nice of you to make that. thank you for explaining it. It seems ...

Well it's good that you're actually solving a problem because I guarantee you you aren't alone there. Once you get a web app up and running next it will be to determine what differentiates you aside from other applications.

zinc ferry Oct 13, 2021, 8:48 PM

#

how does css define discords window title?

#

even in the dev console it seems its title isnt changeable

calm plume Oct 13, 2021, 8:50 PM

#

zinc ferry how does css define discords window title?

afaik, that's defined through electron

#

Assuming you're talking about the desktop client

zinc ferry Oct 13, 2021, 8:57 PM

#

calm plume Assuming you're talking about the desktop client

yeah im talking about the desktop client idek if the browser version has a "title"

zinc ferry Oct 13, 2021, 8:58 PM

#

calm plume afaik, that's defined through electron

im asking bc i know someone who uses betterdiscord and their theme is made with all css. and on top of that his title was different

#

it was like this

#

calm plume Oct 13, 2021, 8:59 PM

#

I have no idea how BD works

zinc ferry Oct 13, 2021, 9:01 PM

#

thanks for the help anyway 👍

native tide Oct 14, 2021, 12:01 AM

#

how do i redirect to another page using Javascript

#

maybe window.location?

#

but it doesnt work

#

for me

rare nimbus Oct 14, 2021, 12:03 AM

#

Try

#

window.location.href

native tide Oct 14, 2021, 12:04 AM

#

mk

#

ty worked

#

im so dumb

rare nimbus Oct 14, 2021, 12:05 AM

#

you ain’t

#

Might be able to help

#

With your upcoming question

#

@low pasture you going to ask the question then?

low pasture Oct 14, 2021, 12:22 AM

#

rare nimbus <@840021680411639818> you going to ask the question then?

maybe later

rare nimbus Oct 14, 2021, 12:22 AM

#

😑

valid crane Oct 14, 2021, 12:42 AM

#

i have a meld component and the flask's flash function does not work after successful registration, everything's fine and working and i think it's because of context issues but i don't know what else to do

class RegistrationForm(Component):
    def save(self):
        self.submitted = True
        if self.validate():
            form = self.form
            #generate hashed password for the password
            hashed_password = bcrypt.generate_password_hash(form.password.data).decode('utf-8')
            
            user = User(
                    first_name=form.first_name.data,
                    last_name=form.last_name.data,
                    username=form.username.data,
                    email=form.email.data,
                    password=hashed_password
                )
            db.session.add(user)
            db.session.commit()

            flash('Your account has been created!', 'success')
            return redirect(url_for('user.login'))

#

heres the template

{% extends "layout.html" %}

{% block title %}Register{% endblock %}

{% block content %}
    {% meld "registration_form" %}
{% endblock %}

tepid lark Oct 14, 2021, 1:07 AM

#

Does anyone here use or have experience with Pyramid?

#

I'm evaluating frameworks for an SPA backend. I've tried Django and Flask and they both have their ups and downs.

#

I only wish Django didn't so tightly couple the User model to the ORM. ohhh

calm plume Oct 14, 2021, 1:09 AM

#

I've never used Pyramid, but can I just take a moment to promote FastAPI? It's really easy to use, but does things right.

tepid lark Oct 14, 2021, 1:09 AM

#

Flask, very nice for small projects, easy to dig yourself into a hole of bad design.

#

I guess I hadn't considered FastAPI for this, it seemed very focused on well, APIs.

calm plume Oct 14, 2021, 1:14 AM

#

Isn't that what you'd typically want for an SPA?

#

Or did you have something else in mind?

indigo kettle Oct 14, 2021, 1:15 AM

#

you can customize the user model in django as well, does that not work for you?

tepid lark Oct 14, 2021, 1:16 AM

#

no, that's it, I just didn't see anything aside from api key or oauth auth and we're stuck with SAML.

indigo kettle Oct 14, 2021, 1:18 AM

#

you should be able to use sso with django just fine

tepid lark Oct 14, 2021, 1:19 AM

#

yeah, I have a working server rendered Django app.

#

some of this is driven from a cost prospective, it would be nice to not have to provision an rds instance just to handle django users.

indigo kettle Oct 14, 2021, 1:20 AM

#

fair

tepid lark Oct 14, 2021, 1:20 AM

#

it looks like the sessions are extensible in that way, at least

#

because there's only maybe ~100 people in an org using this, i considered just using sqlite in the django docker container

#

oops, we redeployed? just recreate you on the next login or when we see your session

indigo kettle Oct 14, 2021, 1:23 AM

#

there's no other persistent data you'd need stored in a database though?

tepid lark Oct 14, 2021, 1:23 AM

#

oh there's plenty, just those databases already exist

indigo kettle Oct 14, 2021, 1:24 AM

#

so this app is just going to be a middle man to make calls to other apps?

tepid lark Oct 14, 2021, 1:24 AM

#

pretty much

indigo kettle Oct 14, 2021, 1:24 AM

#

I see

tepid lark Oct 14, 2021, 1:25 AM

#

i'd hope whoever has to touch it after me would find django easier than whatever homebrew we came up with

#

but I'll check out FastAPI too

indigo kettle Oct 14, 2021, 1:26 AM

#

fastapi does seem pretty cool

#

also the sqlmodel orm wrapper around sqlalchemy that the same guy made

#

typehints to define db columns? :mindblown:

tepid lark Oct 14, 2021, 1:29 AM

#

cacopog

fallow temple Oct 14, 2021, 3:13 AM

#

hi

#

I need an open source django web demo

#

Does anyone have one?

pallid lily Oct 14, 2021, 3:38 AM

#

https://www.youtube.com/watch?v=PtQiiknWUcI

YouTube

Traversy Media

Python Django 7 Hour Course

Build a discord-like application with Python Django. Visit the finished application at https://studybuddev.herokuapp.com/

Get The Full Django Beginners Course:
https://dennisivy.teachable.com/p/django-beginners-course/?product_id=3222835&coupon_code=BRAD
Use promo code BRAD for 50% off

Dennis Ivy YouTube Channel:
https://www.youtube.com/c/den...

▶ Play video

fallow temple Oct 14, 2021, 4:20 AM

#

ok thank

dusk portal Oct 14, 2021, 5:58 AM

#

@eternal blade hey

dusk portal Oct 14, 2021, 6:17 AM

#

i am working with signals.py when im adding any post from my admin panel without adding img it renders it by signals.py (that's what i want ) but when i am not selecting img and adding post (from frontend)

#

it's adding post to db

#

but when i open post it throws error

#

ValueError at /notes/6/
The 'thumbnail' attribute has no file associated with it.```

#

so ig models are correct as it's working from db

#

problem is in my views or my html

#

one thing that i noticed more is when i add from admin panel it adds default.jpeg automatically , but when i add post from frontend it leaves that field empty

queen nest Oct 14, 2021, 6:53 AM

#

Hey, I am making a Django application with opencv. I am using Websockets to establish a real time connection between Python and JS. What I need help with is to send Images from python to JS in real time. I tried encoding image and sending but the decoding is not working properly. Can anyone provide a basic code snippet for Python (image encoding) and JavaScript (decoding)?

pallid lily Oct 14, 2021, 6:58 AM

#

https://www.geeksforgeeks.org/python-convert-image-to-string-and-vice-versa/

GeeksforGeeks

Python - Convert Image to String and vice-versa - GeeksforGeeks

A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

#

https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/decode

HTMLImageElement.decode() - Web APIs | MDN

The decode()
method of the HTMLImageElement interface returns a
Promise that resolves when the image is decoded and it is safe to append
the image to the DOM.

gilded talon Oct 14, 2021, 7:28 AM

#

my next message is propbably going to get me banned

native tide Oct 14, 2021, 7:29 AM

#

Then... don't send it?

gilded talon Oct 14, 2021, 7:29 AM

#

Just use HTML/CSS/JS instead

#

oh wait im still alive

#

this was unexpected, thank you

native tide Oct 14, 2021, 7:35 AM

#

https://stackoverflow.com/questions/69562755/django-drf-how-to-change-user-password-user-object-has-no-attribute-old-p?noredirect=1#comment122955218_69562755

Any Idea?

Stack Overflow

Django DRF - How to change user password - 'User' object has no att...

I'm trying to change my users password using Django REST Framework (DRF) but I only get back a faulty response and I don't understand why, please have a look at my code.
models.py
class User(

indigo kettle Oct 14, 2021, 7:51 AM

#

since you have a serializer with fields password2 and old_password with model=get_user_model

#

the serializer is trying to save user.password2 and user.old_password

#

which aren't actually fields.

#

I've never used a serializer for change password form, I'm not sure if this is a good use of them

#

I would just use django forms

#

it might be possible to set required=False on password2 and old_password but still validate them normally and then in your validate method, right before you return attrs, do attrs.pop('password2') and attrs.pop(old_password)

#

because you don't actually want the serializer to try to save those onto your model

dusk sonnet Oct 14, 2021, 8:23 AM

#

hey, How can i place images under each other? i wanna place "arsenal" and "westham" right under "manchester city" and "liverpool"

native tide Oct 14, 2021, 8:53 AM

#

guys i have a weird css problem can someone help

#

overflow:clip is not working with images but only on phones

#

it works on pc even when i scale it the same size as a phone

#

how it should look

#

how it looks only on phones

#

CAN SOMEONE HELP ??

#

PLS

dire urchin Oct 14, 2021, 9:38 AM

#

if i'm using s3 buckets for user file upload, how big of a deal is setting the bucket to be public? i feel like aws is really trying to discourage me from doing that

#

actually let's not xyz around the problem, what i'm trying to do is set up uploaded files' urls to never expire, which seems to happen because of query string authentication (i think)

hollow anchor Oct 14, 2021, 9:44 AM

#

hello, i have a python program to do but im biig noob, can someone help me ?

queen nest Oct 14, 2021, 10:40 AM

#

pallid lily https://developer.mozilla.org/en-US/docs/Web/API/HTMLImageElement/decode

So I got base64. Where do I put it in JavaScript?

swift wren Oct 14, 2021, 10:52 AM

#

does anyone know how to log out a user who was logged in using google authlib

#

im using flask and flask_login

#

when i go to current_user

#

it shows the account that i logged into like way back from

#

even if i log out

#

the logout_user() works

#

but when i login using another google account

#

it still shows the same one

pallid lily Oct 14, 2021, 11:19 AM

#

queen nest So I got base64. Where do I put it in JavaScript?

i have literaly no idea how to work with javascript but i posted code, As for maybe it could help

queen nest Oct 14, 2021, 11:21 AM

#

pallid lily i have literaly no idea how to work with javascript but i posted code, As for ma...

I have already searched on 100 websites. Thanks anyway.

native tide Oct 14, 2021, 11:40 AM

#

queen nest Hey, I am making a Django application with opencv. I am using Websockets to esta...

I did what your talking about but used vnc and got the framebuffer data. sounds like you're trying to do it with screen shots. but the canvas code in my example should show you how to unpack pixel data from a websocket... https://github.com/byteface/vnc2browser/

GitHub

GitHub - byteface/vnc2browser: an experiment with vnc, python, webs...

an experiment with vnc, python, websockets and html canvas - GitHub - byteface/vnc2browser: an experiment with vnc, python, websockets and html canvas

queen nest Oct 14, 2021, 11:54 AM

#

native tide I did what your talking about but used vnc and got the framebuffer data. sounds ...

Unpacking the pixel data? You mean I take the image numpy array and place each pixel to form an image?

native tide Oct 14, 2021, 11:55 AM

#

we should go back to your original question i guess.

#

if it's just 1 image

#

save the image. on disk. the load it from teh server the way you would any image

queen nest Oct 14, 2021, 11:57 AM

#

Not one image. Its like video streaming. So I process each frame and send it via channels.

native tide Oct 14, 2021, 11:58 AM

#

you may need ffmpeg and not going to get a quick answer then depending on your needs as there will be things to learn

empty inlet Oct 14, 2021, 11:58 AM

#

hello?

#

anyone with python flask knowledge?
need small help

queen nest Oct 14, 2021, 11:59 AM

#

empty inlet anyone with python flask knowledge? need small help

Please post the question

empty inlet Oct 14, 2021, 11:59 AM

#

queen nest Oct 14, 2021, 11:59 AM

#

native tide you may need ffmpeg and not going to get a quick answer then depending on your n...

Let me look into that

empty inlet Oct 14, 2021, 11:59 AM

#

what error is this, why

#

Im I testing it correctly?

#

@queen nest

native tide Oct 14, 2021, 12:01 PM

#

queen nest Let me look into that

on the html side i guess a video tag can cope. setting up the stream will be the hard part.

native tide Oct 14, 2021, 12:02 PM

#

empty inlet Im I testing it correctly?

you should not deleteusers

#

you should instead send a DELETE request to users

#

GET POST DELETE UPDATE is same as crud

empty inlet Oct 14, 2021, 12:03 PM

#

ah

native tide Oct 14, 2021, 12:03 PM

#

POST is creating something

#

DELETE deletes it

#

same endpoint

empty inlet Oct 14, 2021, 12:03 PM

#

so what should I write in the

#

sql

#

it doesn't recongnize delete as it do for get/post

native tide Oct 14, 2021, 12:05 PM

#

hmmm. u can do it easier.

#

dont try to code it

#

get an example that works. and start back to learning REST

#

you have 1 endpoint

#

/users

#

you can GET

#

to read info

#

POST to put info

#

DELETE to remove it

#

flask will have many REST API plugins. that set this up for you

#

and you may not have to do any sql. as the model will update based on the request type

#

i.e EVE is very good and can be done by configuration. but better for very static datasets

#

flask-restful was anothter. and paired with marshmallow will save you a lot of serialisaiton

queen nest Oct 14, 2021, 12:17 PM

#

native tide on the html side i guess a video tag can cope. setting up the stream will be the...

Streaming is a hard part. I am still thinking to encode image into string and vice versa.

civic crater Oct 14, 2021, 12:19 PM

#

hey

queen nest Oct 14, 2021, 12:20 PM

#

civic crater hey

hello mortal

civic crater Oct 14, 2021, 12:20 PM

#

what is suggested using media url or static to store imgs. in Django
does they matter?

queen nest Oct 14, 2021, 12:21 PM

#

Use Static

civic crater Oct 14, 2021, 12:22 PM

#

okk

#

can i get a reason to use that

queen nest Oct 14, 2021, 12:22 PM

#

I think it loads faster in browser

civic crater Oct 14, 2021, 12:23 PM

#

ohh

dire urchin Oct 14, 2021, 1:05 PM

#

I think you use media url for user uploaded files, and static for assets that are part of your website design

civic crater Oct 14, 2021, 1:05 PM

#

how can i set rows of a textarea using django forms textarea widget

dire urchin Oct 14, 2021, 1:05 PM

#

could be wrong I'm not too familiar with django

civic crater Oct 14, 2021, 1:06 PM

#

dire urchin I think you use media url for user uploaded files, and static for assets that ar...

ok

jovial cloud Oct 14, 2021, 1:17 PM

#

empty inlet

The error is that the req object(NoneType) is not subscriptable. This is because request.json is a method not an attribute. The correct code should be

req=request.json()
or
req = requests.json()

civic crater Oct 14, 2021, 1:18 PM

#

civic crater how can i set rows of a textarea using django forms textarea widget

some one help with this. It is Important

vestal hound Oct 14, 2021, 1:19 PM

#

dire urchin I think you use media url for user uploaded files, and static for assets that ar...

this is correct

#

or, more generally

#

any file that won't change without redeployment

civic crater Oct 14, 2021, 1:20 PM

#

vestal hound any file that won't change without redeployment

thats clear now

vestal hound Oct 14, 2021, 1:20 PM

#

native tide you should instead send a DELETE request to users

shrugs

civic crater Oct 14, 2021, 1:20 PM

#

Thanx

vestal hound Oct 14, 2021, 1:20 PM

#

honestly

#

most "REST" APIs aren't really RESTful

#

in particular, when you have deeply nested data, a RESTful style can be complicated to do efficiently

hidden crown Oct 14, 2021, 1:25 PM

#

Hi everyone. I'm trying to implement a feedback form on my Django error pages. Currently I've setup a custom 500 handler which I'm pointing to, but when I trying a 500 error, I need a function to give me the latest error log event id (I'm using sentry.io for those who are curious). But the custom 500 view is never triggered when responding with the 500 page, so I cannot inject the even_id as data into the template

#

anyone any experience with this?

jovial cloud Oct 14, 2021, 1:28 PM

#

empty inlet it doesn't recongnize delete as it do for get/post

Also, regarding what someone said about a delete request: I believe you cannot make a delete request from the browser without JS

native tide Oct 14, 2021, 1:29 PM

#

Hey folks,

I'm new to DRF (Django REST Framework) and just have setup my first usable POST endpoint, please see my code to create a new User object using POST:

views.py:

    @api_view(['POST'])
    @permission_classes([AllowAny])
    def user_create(request):
        if request.method == 'POST':
            serializer = CreateUserSerializer(data=request.data)
            if serializer.is_valid(raise_exception=True):
                serializer.save()
                return JsonResponse(serializer.data, safe=False)

serializers.py

    class CreateUserSerializer(serializers.ModelSerializer):
    
        class Meta:
            model = get_user_model()
            fields = ('user', 'password')
            extra_kwargs = {'password': {'write_only': True}}   # We don't want to show the hashed password
    
        def create(self, validated_data):
            password = validated_data.pop('password')
            user = User.objects.create_user(
                    validated_data['user'],
            )
            user.set_password(password)
            user.save()
            return user

So far so good. If I now want to create a User Object using POST it works fine for the first time. But if I send the same request twice, the second request just returns "Bad Request". Well that also makes sense as the User object is already existing.

It would be awesome if I would be able to catch this behavior somehow and return a message instead of a Bad Request.

Thanks in advanced

native tide Oct 14, 2021, 1:32 PM

#

vestal hound honestly

which REST api isn't restful?. you have an example of one of these data structures? (that isn't a json blob in the db)

vestal hound Oct 14, 2021, 1:33 PM

#

native tide which REST api isn't restful?. you have an example of one of these data structur...

for the latter: not the data structure itself

#

but say your frontend wants a domain object

#

that involves several joins

#

okay

#

for example

#

you have an Album model

#

an Album has an M2M relationship with a Track

#

a Track has an M2M relationship with an Artist

#

in some cases, you want the Album with the full representations of its Tracks and Artists

#

in others, you don't

#

this is difficult to model RESTfully

vestal hound Oct 14, 2021, 1:35 PM

#

native tide which REST api isn't restful?. you have an example of one of these data structur...

as for your other point

#

one of the big things about REST

#

is HATEOAS

#

I very rarely see any sort of discoverability in a purportedly RESTful API

#

much more likely is

#

some sort of external spec (like OpenAPI)

native tide Oct 14, 2021, 1:36 PM

#

i was about to say HATEOAS

#

but yes. people don't implement it. which is why eve was nice

#

how ever

#

couchdb invented a http interface

#

which mongo nicked and then put mongo query language on top

#

writing off the need to do apis for json dbs

#

as you can do REST direct to the db

#

my point being for that persons issue. is with a hello world flask restful. they wouldn't be even having that problem. they are at the delete user step

#

which is probably paragraph 3 on the intro docs

vestal hound Oct 14, 2021, 1:38 PM

#

native tide my point being for that persons issue. is with a hello world flask restful. they...

shrugs

#

that's fair

native tide Oct 14, 2021, 1:52 PM

#

ye. to your point. in eve they were called 'projections' and joined records were configured by an exlude or include rule in the query. hence using a lib rather than trying to code your own is often better. as it acutally just does it for you and is easier.

vestal hound Oct 14, 2021, 2:01 PM

#

native tide ye. to your point. in eve they were called 'projections' and joined records were...

I don't deny that

#

not sure what Flask has for this

#

but

#

DRF does it p well

errant junco Oct 14, 2021, 2:21 PM

#

So I'm new to Docker but not Django, and sometimes when I don't like the server I move it (manually), should I use Docker to deploy my django website?

strong oak Oct 14, 2021, 2:26 PM

#

do you guys use flask or a framwork like django?

cerulean badge Oct 14, 2021, 2:34 PM

#

logo_django2 how do you filter by object not in m2m?
like the opposite of Chat.objects.filter(members=user) where members is m2m field in Chat model

#

i just had to exclude instead lol

#

logo_django2 how do you add an object to m2m field to all objects (of other model) in queryset?
like below but with queryset

obj = MyModel.objects.get(pk=1)
obj.my_m2m_field.add(some_object)

native tide Oct 14, 2021, 3:35 PM

#

  document.querySelector(".btn-wrap").addEventListener(
    "click",
    (e) => {
      if (!e.target.matches("button, button img")) return;
      const btn =
        e.target.tagName === "BUTTON" ? e.target : e.target.parentElement;
      game.buttonFunctions[btn.dataset.func]();
    },
    { passive: true }
  );

#

what does that code do

stark tartan Oct 14, 2021, 3:36 PM

#

logo_django2

cerulean badge Oct 14, 2021, 3:36 PM

#

logo_django2

stark tartan Oct 14, 2021, 3:36 PM

#

What is dj

#

??

native tide Oct 14, 2021, 3:36 PM

#

django?

cerulean badge Oct 14, 2021, 3:36 PM

#

dj bravo

cerulean badge Oct 14, 2021, 3:36 PM

#

native tide django?

no no its dj bravo

native tide Oct 14, 2021, 3:37 PM

#

native tide what does that code do

??

stark tartan Oct 14, 2021, 3:37 PM

#

native tide ??

You are java man lg

native tide Oct 14, 2021, 3:37 PM

#

not rlly

native tide Oct 14, 2021, 3:37 PM

#

native tide what does that code do

what does that code do

eternal blade Oct 14, 2021, 3:38 PM

#

Hello, is there a way to set a default permission_classes for every view in django-rest-framework?

stark tartan Oct 14, 2021, 3:39 PM

#

eternal blade Hello, is there a way to set a default `permission_classes` for every view in dj...

Yes in setting.py

eternal blade Oct 14, 2021, 3:40 PM

#

Thanks

eternal blade Oct 14, 2021, 3:40 PM

#

stark tartan Yes in setting.py

How can I exclude the permissions from certain views?

eternal blade Oct 14, 2021, 4:00 PM

#

eternal blade How can I exclude the permissions from certain views?

nvm found it, thanks

native tide Oct 14, 2021, 4:08 PM

#

Suggest a library that takes a PNG photo from an HTML file

indigo kettle Oct 14, 2021, 4:26 PM

#

native tide Hey folks, I'm new to DRF (Django REST Framework) and just have setup my first ...

you should create a validate_user method and check if the user already exists.
if it does exist, you need to do raise serializers.ValidationError('This user already exists')

stark tartan Oct 14, 2021, 5:53 PM

#

eternal blade How can I exclude the permissions from certain views?

Make a base permission then override it

#

The better way is to make permission.py and import permission from their

frigid elm Oct 14, 2021, 6:09 PM

#

Hey guys! Probably someone can help me!

#

How can I make a migrations if I wrote models not in models.py?

#

Follow me in the answer

hushed copper Oct 14, 2021, 7:09 PM

#

What is the best way to use for scraping 2000 URL addresses?

indigo kettle Oct 14, 2021, 7:49 PM

#

why did you write models not in models.py?

mortal pike Oct 14, 2021, 7:52 PM

#

Quick question,
Why Am I getting the error name 'SERVER' is not defined
My View:

class RobotDetail(UpdateView):
    model = models.Robot
    form_class = RobotUpdateForm
    template_name = 'dashboard-home/robotdetail.html'
    robo = Robot.objects.get(pk=pk)
    PORT = robo.port
    SERVER = robo.server

My Model:

port = models.IntegerField()
    server = models.CharField(max_length=200, default='10.10.19', blank=True, null=True)

#

Plz Ping When Replying

dull isle Oct 14, 2021, 8:04 PM

#

is it possible for python to interface with html?

dusk portal Oct 14, 2021, 8:24 PM

#

how can i create a google forms like application

#

by django

#

where ppl can share link by creating there form and there will be mcq's

#

designed by the link sharing (admin/host of the form)

#

and it will contain responses same as google forms

#

@eternal blade

barren moth Oct 14, 2021, 8:26 PM

#

how to write a mock api? eg I want to mock an api my program relies on for testing

#

any recommended libraries to best do that?

#

I want to have minimal dependencies, but also easiest to write

dusk portal Oct 14, 2021, 8:27 PM

#

yes

#

u mean u wanna

#

limit the user

#

for sending requests

eternal blade Oct 14, 2021, 8:34 PM

#

dusk portal <@!775401814982918164>

sorry, bit busy right now

barren moth Oct 14, 2021, 9:04 PM

#

dusk portal limit the user

no, i want to mock the actual api they use

#

so I'll make requests to a test server which doesn't do anything

pallid lily Oct 14, 2021, 9:48 PM

#

may i ask what is does it mean when i do as following ```
def function(variable: int = 0):

#

def function(variable:int =0) => list:

frank shoal Oct 14, 2021, 9:49 PM

#

You mean type hints?

pallid lily Oct 14, 2021, 9:49 PM

#

yea

frank shoal Oct 14, 2021, 9:49 PM

#

It tells you that the function expects an int and returns a list.

pallid lily Oct 14, 2021, 9:49 PM

#

ohhh