Как настроить Google Search Console для мониторинга и исправления ошибок 404

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import json
import smtplib
import requests
from email.message import EmailMessage
from google.oauth2 import service_account
from googleapiclient.discovery import build

# Конфигурация
SERVICE_ACCOUNT_FILE = 'service-account.json'   # JSON‑файл сервисного аккаунта
SCOPES = ['https://www.googleapis.com/auth/webmasters.readonly']
SITE_URL = 'https://example.com'               # URL сайта в Search Console
START_DATE = '2024-04-01'
END_DATE = '2024-04-30'
ROW_LIMIT = 1000

# Slack webhook
SLACK_WEBHOOK = 'https://hooks.slack.com/services/XXX/YYY/ZZZ'

# e‑mail
SMTP_HOST = 'smtp.example.com'
SMTP_PORT = 587
SMTP_USER = 'bot@example.com'
SMTP_PASS = 'password'
EMAIL_FROM = 'bot@example.com'
EMAIL_TO = ['dev@example.com']

def get_404_pages():
    creds = service_account.Credentials.from_service_account_file(
        SERVICE_ACCOUNT_FILE, scopes=SCOPES)
    service = build('webmasters', 'v3', credentials=creds)

    body = {
        'startDate': START_DATE,
        'endDate': END_DATE,
        'dimensions': ['page'],
        'rowLimit': ROW_LIMIT,
        'dimensionFilterGroups': [{
            'filters': [{
                'dimension': 'page',
                'operator': 'contains',
                'expression': '404'
            }]
        }]
    }

    resp = service.searchanalytics().query(
        siteUrl=SITE_URL, body=body).execute()

    return [row['keys'][0] for row in resp.get('rows', [])]

def send_email(urls):
    msg = EmailMessage()
    msg['Subject'] = f'Новые 404 на {SITE_URL}'
    msg['From'] = EMAIL_FROM
    msg['To'] = ', '.join(EMAIL_TO)
    body = 'Найдены новые 404‑страницы:\n' + '\n'.join(urls)
    msg.set_content(body)

    with smtplib.SMTP(SMTP_HOST, SMTP_PORT) as s:
        s.starttls()
        s.login(SMTP_USER, SMTP_PASS)
        s.send_message(msg)

def send_slack(urls):
    payload = {
        'text': f'Новые 404 на {SITE_URL}:\n' + '\n'.join(urls)
    }
    requests.post(SLACK_WEBHOOK, json=payload)

def main():
    urls = get_404_pages()
    if urls:
        send_email(urls)
        send_slack(urls)
        print(f'Отправлено уведомление о {len(urls)} новых 404')
    else:
        print('Новых 404 не найдено')

if __name__ == '__main__':
    main()