python

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 sklearn.model_selection import StratifiedKFold, train_test_split, cross_validate
from sklearn.pipeline import Pipeline
from sklearn.impute import SimpleImputer
from sklearn.preprocessing import StandardScaler
from sklearn.linear_model import LogisticRegression

import optuna
from sklearn.ensemble import HistGradientBoostingClassifier
from sklearn.model_selection import cross_val_score

def objective(trial):
    model = HistGradientBoostingClassifier(

import spacy
from spacy.matcher import Matcher

nlp = spacy.load('en_core_web_sm')
matcher = Matcher(nlp.vocab)
matcher.add('INCIDENT_ID', [[{'TEXT': {'REGEX': '^INC-[0-9]{6}$'}}]])

import pandas as pd

orders = pd.read_parquet('orders.parquet')
orders['ordered_at'] = pd.to_datetime(orders['ordered_at'])

reference_date = orders['ordered_at'].max() + pd.Timedelta(days=1)

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')