import requests
from bs4 import BeautifulSoup
import csv
def get_hmtl(url):
    respons = requests.get(url)
    return respons.text
def get_total_pages (html):
    soup = BeautifulSoup(html, 'lxml')
    pages = soup.find('div', class_='pagination-pages clearfix').find_all('a', class_='pagination-page')[-1].get('href')
    total_pages = pages.split('=')[1].split('&')[0]
    return int(total_pages)
## Запись файла
def write_csv(data):
    with open('D:/python/avito.csv', 'a') as file:
        writer = csv.writer(file)
        writer.writerow(( data['title'],
                         data['price'],
                         data['metro'],
                         data['url'] ))
def get_page_date(html):
    soup = BeautifulSoup(html, 'lxml')
    ads = soup.find('div', class_='js-catalog_after-ads').find_all('div', class_='item item_table clearfix js-catalog-item-enum c-b-0')
    for ad in ads:
        #title, place, url, price
        try:
            title = ad.find('div', class_='description').find('h3').text.strip()
        except:
            title = ''
        try:
            url = 'https://www.avito.ru' + ad.find('div', class_='description').find('h3').find('a').get('href')
        except:
            url = ''
        try:
            price = ad.find('div', class_='description').find('div', class_='about').text.strip()
        except:
            price = ''
        try:
            place = ad.find('div', class_ = 'data').find_all('p')[-1].text.strip()
        except:
            place = ''
        data = {
            'title':title,
            'price':price,
            'metro':place,
            'url':url
        }
        write_csv(data)
def main ():
    # https://www.avito.ru/moskva/telefony?p=98&q=htc
    url = 'https://www.avito.ru/moskva/telefony?p=98&q=htc'
    base_url = 'https://www.avito.ru/moskva/telefony?'
    page_part = 'p=' #
    query_part = '&q=htc'
    total_pages = get_total_pages(get_hmtl(url))
    for i in range (1, total_pages):
        url_gen = base_url + page_part + str(i) + query_part
        html = get_hmtl(url_gen)
        get_page_date(html)
if __name__ == '__main__':
    main()

with open('D:/python/avito.csv', 'a', encoding='<кодировка>') as file:

with open('D:/python/avito.csv', 'a', encoding='utf-8') as file: