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parsers/source2.py
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161
parsers/source2.py
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"""
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Парсер второго источника - военный (def.ltn.com.tw)
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"""
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import requests
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from bs4 import BeautifulSoup
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from datetime import datetime
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from urllib.parse import urljoin
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from typing import List, Tuple
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from .base import BaseParser
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from config import PARSER_TIMEOUT, MIN_ARTICLE_TEXT_LENGTH
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from utils import logger
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from services import fetch_with_proxy_retry, gpt_response_message, update_bd_and_create_document
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import work_parser as wp
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def extract_map_area_hrefs(url: str, verify: bool = True, ist_number: int = 1) -> List[str]:
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"""
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Извлекает ссылки из map/area тегов или li элементов
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"""
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headers = {
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"User-Agent": "Mozilla/5.0 (compatible; MyScraper/1.0; +https://example.com)"
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}
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resp = requests.get(url, headers=headers, verify=verify)
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resp.raise_for_status()
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soup = BeautifulSoup(resp.text, "html.parser")
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hrefs = []
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if ist_number == 1:
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for map_tag in soup.find_all("li", attrs={"data-page": "1"}):
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for a in map_tag.find_all("a", href=True):
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href = a["href"]
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abs_url = urljoin(url, href)
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print(abs_url)
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hrefs.append(abs_url)
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else:
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for map_tag in soup.find_all("map"):
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for area in map_tag.find_all("area", href=True):
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href = area["href"]
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abs_url = urljoin(url, href)
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hrefs.append(abs_url)
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return hrefs
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def extract_text_from_url(url: str, timeout: int = PARSER_TIMEOUT, verify: bool = True) -> Tuple[str, str]:
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"""
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Извлекает текст и дату из статьи второго источника (военный)
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Возвращает кортеж (текст, дата)
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"""
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response = fetch_with_proxy_retry(url, timeout=timeout, verify=verify)
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soup = BeautifulSoup(response, 'html.parser')
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# Находим контейнер div.whitecon.article
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container = soup.find("div", class_="whitecon article")
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if not container:
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return "", ""
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# Получение заголовка <time> внутри контейнера
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time_text = container.find('span')
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time_t = ""
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if time_text:
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time_t = time_text.get_text(strip=True)
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# Получение всех <p> внутри контейнера, исключая те с class="before_ir"
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paragraphs = container.find_all('p')
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# Возвращаем текстовую сводку
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content_text = []
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for p in paragraphs:
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if p.get('class') != ['before_ir']:
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content_text.append(p.get_text(strip=True))
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return "\n".join(content_text), time_t
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def check_url(url: str) -> bool:
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"""
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Проверяет, существует ли URL в базе данных
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"""
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try:
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response = wp.check_url_exists(url)
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if response.status_code == 200:
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result = response.json()
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print(result["exists"])
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return result["exists"]
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else:
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return False
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except Exception:
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return False
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class Source2Parser(BaseParser):
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"""
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Парсер для второго источника - военный def.ltn.com.tw
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"""
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def __init__(self):
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super().__init__("source2")
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def parse(self) -> None:
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"""
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Основной метод парсинга второго источника
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"""
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self.start_task('https://def.ltn.com.tw/')
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istochnik = [
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'https://def.ltn.com.tw/breakingnewslist',
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'https://def.ltn.com.tw/list/11',
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'https://def.ltn.com.tw/list/19',
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'https://def.ltn.com.tw/list/17',
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'https://def.ltn.com.tw/list/16'
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]
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all_links = []
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for url in istochnik:
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try:
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print(f"Сбор href из: {url}")
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all_links += extract_map_area_hrefs(url)
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except Exception as e:
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print(f"Ошибка при извлечении ссылок: {e}")
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logger.info(f"Ошибка при извлечении ссылок: {e}")
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continue
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for hrefs in all_links:
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if not check_url(hrefs):
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try:
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text, time_text = extract_text_from_url(hrefs)
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if len(text) >= MIN_ARTICLE_TEXT_LENGTH:
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response_text = gpt_response_message(text, "source2")
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print(response_text)
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if response_text:
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update_bd_and_create_document(
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response_text=response_text,
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article_date=time_text,
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url=hrefs,
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parsed_at=str(datetime.utcnow()),
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original_text=text,
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other="source2"
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)
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except:
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continue
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self.complete_task()
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def start_pars_two_istochnik() -> None:
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"""
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Точка входа для парсинга второго источника
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"""
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parser = Source2Parser()
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parser.parse()
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def scheduled_parser_2() -> None:
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"""
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Функция для автоматического запуска по расписанию
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"""
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start_pars_two_istochnik()
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