WuQCxM2a

1import requests
2from bs4 import BeautifulSoup
3from collections import namedtuple
4from logging import getLogger
5
6Rate = namedtuple('Rate', 'name_currency,rate_buy,rate_sell')
7logger = getLogger(__name__)
8
9
10def str_to_float(item: str):
11    item = item.replace(',', '.')
12    return float(item)
13
14
15class ParserError(Exception):
16    """Неизвестная ошибка при запросе Api BankiRu"""
17
18
19# Парсер HTML страницы BankiRu
20def parser_HTML(currency_name: str, country_name: str):
21    url = 'https://www.banki.ru/products/currency/cash'
22    headers = {
23        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36'}
24    curr_url = url + f'/{currency_name}/{country_name}/'
25
26    try:
27        source = requests.get(curr_url, headers=headers)
28        main_text = source.text
29        soup = BeautifulSoup(main_text, 'html.parser')
30
31        convert = soup.find_all('div', {'class': 'exchange-calculator-rates table-flex__row-group'})
32
33        return convert
34    except Exception:
35        logger.exception("Parser error")
36        raise ParserError
37
38
39def get_rate(currency_name: str, country_name: str):
40    banks = dict()
41    try:
42        for info in parser_HTML(currency_name, country_name):
43            info_bank = info.find('div', {'class': 'table-flex__row item calculator-hover-icon__container'})
44            bank_name = info_bank.find('a', {'data-test': 'bank-name'})
45
46            rate_info = info_bank.find_all('div', {'data-currencies-code': currency_name.upper()})
47
48            rate_buy = str_to_float(rate_info[0].text.split('\n\n')[0].lstrip().strip().replace(' ₽', ''))
49
50            rate_sell = str_to_float(rate_info[1].text.split('\n\n')[0].lstrip().strip().replace(' ₽', ''))
51
52            banks[bank_name.text] = Rate(name_currency=currency_name.upper(), rate_buy=float(rate_buy),
53                                         rate_sell=float(rate_sell))
54        return banks
55
56    except Exception:
57        logger.exception("Get rate error")
58        raise AttributeError
59
60
61if __name__ == '__main__':
62    try:
63        banks_main = get_rate('usd', 'kazan~')
64        for key, value in banks_main.items():
65            print(key, value)
66    except ParserError:
67        logger.info('Parser error')
68    except AttributeError:
69        logger.info('Attribute error')