python

from django.core.exceptions import ValidationError


def validate_file_size(file):
    """Limit file size to 5MB."""
    max_size_mb = 5

from rest_framework import routers
from rest_framework_nested import routers as nested_routers
from . import views

router = routers.DefaultRouter()
router.register(r'posts', views.PostViewSet, basename='post')

import os
from .base import *

DEBUG = False

SECRET_KEY = os.environ['SECRET_KEY']

import random


class PrimaryReplicaRouter:
    """Route reads to replicas, writes to primary."""

from django.db.models import Prefetch
from django.views.generic import ListView
from .models import Post, Comment


class PostListView(ListView):

from rest_framework import viewsets, status
from rest_framework.decorators import action
from rest_framework.response import Response
from blog.models import Post
from .serializers import PostSerializer

from django.core.exceptions import PermissionDenied


class UserOwnershipMixin:
    """Ensure the object belongs to the current user."""

from datetime import timedelta

INSTALLED_APPS += ['rest_framework_simplejwt']

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [

from django.forms import modelformset_factory
from django.shortcuts import render, redirect
from .models import Product


def bulk_edit_products(request):

from django.contrib.sitemaps import Sitemap
from .models import Post


class PostSitemap(Sitemap):
    changefreq = 'weekly'

from django.db import models
from django.utils import timezone


class SoftDeleteManager(models.Manager):
    def get_queryset(self):

from celery import Celery
from celery.schedules import crontab

app = Celery('myproject')
app.config_from_object('django.conf:settings', namespace='CELERY')