djngo unittest to use "real" database.

[django-newbie]

Hi All,

I am currently writing test cases for views, Which eventually uses database 
also.
By default a test database is being created and removed after test are run.

As the database itself is development database, I don't want my test to 
create a separate db but use exciting only.
Also I will like to bring to your notice, that in my environment, database 
are created and provided and django can't run migration or create database.

Regards,
Arjit 

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django widget radio button error save is not touch

[carlos]

Hi, i have a problem when save a field in radio button
in my models have this
CHOICES_OPTIONS = (
 (1, 'Yes'),
(2, 'No'),
)

class MyModels(...):
   myfield = models.IntegerField(choices=CHOICES_OPTIONS, null=True,
blank=True)
   

class MyModelsForm()
   myfield = forms.ChoiceField(widget=forms.RadioSelect,
choices=CHOICES_OPTIONS,
   required=False)

but when save the forms in my views this sends this error:

Field 'myfield' expected a number but got ''.

sometimes the user does not select anything neither yes nor no, the radio
button they won't touch it

How can I make that null field be saved without any value and it does not
throw me that error

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Re: Django+DjangoRestFramework+React+Redux open source projects

[Shishir Jha]

And here are the two repos which represent frontend and backend for a react
and django app that I built during a hiring process. Note that this is a
very beginner level. I had to submit it within 10 days. But it covers all
the basics like rest apis, authentication,authorization, calling backend
rest api from react frontend. I have not done state management with redux
or context. I have simply passed props up or down. You can implement redux
and learn yourself. If anyone wants to submit the PR after implementing
redux or context api or recoil I will merge it in master. It will be a good
learning experience.

https://github.com/shishirjha/keeper_frontend  (frontend)
https://github.com/shishirjha/notesKeeper  (backend)

On Sun, Sep 6, 2020 at 9:54 AM Shishir Jha  wrote:

> https://github.com/justdjango/django-react-ecommerce
>
> There are many more you can find it on searching google.
>
> On Sun, 6 Sep 2020, 9:43 am Yogendra Yadav, 
> wrote:
>
>> thank you, can you please suggest some more
>>
>> On Sun, Sep 6, 2020 at 3:01 AM Shishir Jha 
>> wrote:
>>
>>> Look for gothinkster in github
>>>
>>> On Sat, 5 Sep 2020, 10:20 pm Yogendra Yadav, 
>>> wrote:
>>>
 Please suggest open source projects to learn subject combination

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>>> .
>>>
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>> .
>>
>

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Is this a bug on manage.py command: no such table: auth_permission?

[cta...@gmail.com]

Hi,

I am getting an error django.db.utils.OperationalError: no such table: 
auth_permission on my manage.py command (makemigrations/migrate/runserver)

I am not sure if this consider a bug or is it a problem of my setup. So I 
am checking here before filing bug report to the ticket tracker.

To reproduce the error:

   - Django==2.2.15 
   - djangorestframework==3.11.1 

Steps:

   1. Copy code below. 
   2. Run python manage.py makemigrations -> error. 

or

   1. Remove the code from urls.py that will cause the error. 
   2. Run python manage.py makemigrations -> success without error. 
   3. Add back the removed code from step 1. 
   4. Run python manage.py migrate -> this will trigger the same error. 
   Imagine we deployed our project to server and run migrate for the very 
   first time. 

customuser/models.py

from django.contrib.auth.models import AbstractUser, Permission, UserManager
from django.db.models import Q
from django.db import models

class CustomUserManager(UserManager):

def get_users(self):
perm = Permission.objects.get(codename='can_view_something')
users = self.filter(Q(groups__permissions=perm) | 
Q(user_permissions=perm))
return users

class CustomUser(AbstractUser):
objects = CustomUserManager()

permissions = (
('can_view_something', 'Can View Something'),
)

customuser/views.py

from django.contrib.auth import get_user_model
from rest_framework import generics, serializers
from .models import CustomUser

class UserSerializer(serializers.ModelSerializer):
class Meta(object):
model = get_user_model()
fields = ('id', 'username',)

class SomeUserView(generics.ListAPIView):
queryset = get_user_model().objects.get_users()
serializer = UserSerializer

myproject/urls.py (Root urls.py)

from django.contrib import admin
from django.urls import path
from customuser import views

urlpatterns = [
path('admin/', admin.site.urls),
path('users', views.SomeUserView.as_view(), name="some-user-view")
]

Exact traceback


Traceback (most recent call last):
  File "manage.py", line 21, in 
main()
  File "manage.py", line 17, in main
execute_from_command_line(sys.argv)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/management/__init__.py",
 line 381, in execute_from_command_line
utility.execute()
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/management/__init__.py",
 line 375, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/management/base.py",
 line 323, in run_from_argv
self.execute(*args, **cmd_options)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/management/base.py",
 line 361, in execute
self.check()
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/management/base.py",
 line 390, in check
include_deployment_checks=include_deployment_checks,
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/management/base.py",
 line 377, in _run_checks
return checks.run_checks(**kwargs)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/checks/registry.py",
 line 72, in run_checks
new_errors = check(app_configs=app_configs)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/checks/urls.py",
 line 13, in check_url_config
return check_resolver(resolver)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/core/checks/urls.py",
 line 23, in check_resolver
return check_method()
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/urls/resolvers.py",
 line 399, in check
for pattern in self.url_patterns:
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/utils/functional.py",
 line 80, in __get__
res = instance.__dict__[self.name] = self.func(instance)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/urls/resolvers.py",
 line 584, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/utils/functional.py",
 line 80, in __get__
res = instance.__dict__[self.name] = self.func(instance)
  File 
"/Users/me/.virtualenvs/reproducemigrateerror-hrGW_V7T/lib/python3.7/site-packages/django/urls/resolvers.py",
 line 577, in urlconf_module
return import_module(self.urlconf_name)
  File