210 lines
8.7 KiB
Python
210 lines
8.7 KiB
Python
import pathlib
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import os
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import time
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import re
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from typing import Self
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from selenium.webdriver import Keys, ActionChains
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from selenium.webdriver.common.by import By
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from webdriver_manager.chrome import ChromeDriverManager
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from selenium import webdriver
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from selenium.webdriver.support.wait import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from selenium.common.exceptions import NoSuchElementException, TimeoutException
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from excel_parser import ExcelParser
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from storage import Storage
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from telegram_logs import logger
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class Parser:
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keyword = "Велесстрой"
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url = "https://www.b2b-center.ru/market"
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_driver: webdriver.Chrome
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_options: webdriver.ChromeOptions = webdriver.ChromeOptions()
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_service: webdriver.ChromeService
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def __init__(self):
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logger.info("Бот запущен")
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prefs = {"download.default_directory": str(pathlib.Path('./downloads').absolute())}
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self._options.add_experimental_option("prefs", prefs)
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self._options.add_argument("--disable-extensions")
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self._options.add_argument("--disable-gpu")
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self._options.add_argument("--headless=new")
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self._options.add_argument("window-size=1920,1080")
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self._service = webdriver.ChromeService(executable_path=ChromeDriverManager().install())
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self.storage = Storage()
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self.storage.create_tables()
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def __enter__(self) -> Self:
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self._driver = webdriver.Chrome(service=self._service, options=self._options)
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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logger.error("Бот остановлен. Причина: " + str(exc_val))
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print("Gracefully shutting down...")
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self._driver.close()
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def find_elem(self, by: str, value: str):
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try:
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return WebDriverWait(self._driver, 10).until(EC.presence_of_element_located((by, value)))
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except TimeoutException:
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raise NoSuchElementException("Element not found")
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def login(self):
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self._driver.get(self.url)
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time.sleep(3)
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# Open login modal
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element = self.find_elem(By.ID, "auth_ajax_modal_trigger")
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element.click()
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login_control = self.find_elem(By.ID, "login_control")
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password_control = self.find_elem(By.ID, "password_control")
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login_control.click()
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login_control.clear()
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login_control.send_keys("jde2015")
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password_control.click()
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password_control.clear()
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password_control.send_keys("Bel8#Ans3")
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time.sleep(5)
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password_control.send_keys(Keys.RETURN)
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def check_ltl(self, text):
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return len(re.findall(r"[Ll][Tt][Ll]", text)) != 0
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def search(self):
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time.sleep(5)
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self._driver.get(self.url + f'/?f_keyword={self.keyword}')
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time.sleep(10)
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table = self.find_elem(By.CSS_SELECTOR, ".search-results > tbody")
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links = table.find_elements(By.CSS_SELECTOR, "tr > td:nth-child(1) > a")
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links = [link.get_attribute("href") for link in links if
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self.check_ltl(link.find_element(By.CSS_SELECTOR, 'div').text)]
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links = [link for link in links if link not in self.storage.get_links()]
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for link in links:
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logger.info("Обработка заявки: " + link)
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try:
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self.accept_documentation(link)
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except Exception as exc:
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logger.error("Не удалось обработать заявку. Подробности: " + str(exc))
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def parse(self, url: str = None) -> dict:
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fp = self.download_documentation()
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e_parser = ExcelParser(fp, url)
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price = e_parser.calculate()
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if not price:
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logger.error("Не удалось расcчитать цену, переходим далее")
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return price
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def accept_documentation(self, url: str):
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time.sleep(3)
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self._driver.get(url)
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# Скачать документацию
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try:
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download_documentation_button = self.find_elem(By.CSS_SELECTOR,
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'#auction_info_td > table > tbody > tr:nth-child(4) table input[type=submit]')
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time.sleep(5)
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ActionChains(self._driver).scroll_to_element(download_documentation_button).scroll_by_amount(0,
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100).perform()
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download_documentation_button.click()
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price = self.parse(url)
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self.send_offer_link(price['price'], nds=price['vat'],
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delivery_time=price['transport_delivery_date'],
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delivery_range=price['max_days'])
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except NoSuchElementException:
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# logger.info("Отсутствует кнопка скачивания документации, переходим к документации")
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price = self.parse(url)
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self.send_offer_link(price['price'], nds=price['vat'],
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delivery_time=price['transport_delivery_date'],
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delivery_range=price['max_days'])
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def download_documentation(self) -> list[pathlib.Path]:
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try:
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all_files_1 = set(
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pathlib.Path('./downloads') / pathlib.Path(file) for tree in os.walk('./downloads') for file in tree[2])
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time.sleep(5)
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documentation_block = self.find_elem(By.CSS_SELECTOR, '#download_documentation')
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docs = documentation_block.find_elements(By.CSS_SELECTOR, 'a')
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for doc in docs:
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href = doc.get_attribute('href')
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if not href.endswith('.xlsx') and not href.endswith('.xls'):
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continue
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self._driver.get(href)
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time.sleep(3)
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all_files_2 = set(
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pathlib.Path('./downloads') / pathlib.Path(file) for tree in os.walk('./downloads') for file in tree[2])
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fp = all_files_2 - all_files_1
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logger.debug(fp)
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return [file for file in fp]
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except Exception as exc:
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logger.info(f"Не удалось скачать документацию. Подробности: {type(exc)} {str(exc)}")
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raise KeyboardInterrupt()
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def send_offer_link(self, price: int, nds: int, delivery_range: str, delivery_time: str):
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try:
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logger.info(
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f"Предварительные данные по заявке: Цена: {price}, НДС: {nds}%, Доставка: {delivery_range} дн., Подача машины {delivery_time}")
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offer_link = self.find_elem(By.ID, "send_offer_link")
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ActionChains(self._driver).scroll_to_element(offer_link).scroll_by_amount(0, 100).perform()
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offer_link.click()
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price_id = self.find_elem(By.ID, 'price_id')
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price_id.send_keys(str(price))
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nds_elem = self.find_elem(By.CSS_SELECTOR, 'input[name="AUCTION_OFFER[price_vat]"]')
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if nds == 0:
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self.find_elem(By.ID, 'price_lot_no_tax').click()
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else:
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nds_elem.send_keys(str(nds))
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row_11 = self.find_elem(By.CSS_SELECTOR, "tr#row_id_11 > td:nth-child(2) > textarea")
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row_12 = self.find_elem(By.CSS_SELECTOR, "tr#row_id_12 > td:nth-child(2) > textarea")
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row_13 = self.find_elem(By.CSS_SELECTOR, "tr#row_id_13 > td:nth-child(2) > textarea")
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row_15 = self.find_elem(By.CSS_SELECTOR, "tr#row_id_15 > td:nth-child(2) > input[type=submit]")
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row_11.send_keys(str(delivery_range) + " дней")
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row_12.send_keys(delivery_time)
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row_13.send_keys(
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"Дата подачи транспорта предварительная, согласовывается по звонку оператора ЖДЭ клиенту-отправителю")
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time.sleep(10)
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ActionChains(self._driver).scroll_to_element(row_15).scroll_by_amount(0, 100).perform()
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row_15.click()
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time.sleep(10)
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self.apply_offer()
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logger.success("Заявка успешно отправлена")
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except Exception as exc:
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logger.error(f"Не удалось отправить заявку. Ошибка: {type(exc)} : {str(exc)}")
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def apply_offer(self):
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btn = self.find_elem(By.CSS_SELECTOR, "form[name=AUCTION_OFFER] table.form-control_table button")
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btn.click()
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if __name__ == "__main__":
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with Parser() as parser:
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parser.login()
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while True:
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parser.search()
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logger.info("Все LTL заявки обработаны, обновление через 60сек")
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time.sleep(60)
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