326 lines
14 KiB
Python
326 lines
14 KiB
Python
import time
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import os
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import shutil
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import subprocess
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import requests
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from io import BytesIO
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import undetected_chromedriver as uc
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# 注意：不要禁用析构函数，否则会导致Chrome进程泄漏
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# if os.name == 'nt':
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# try:
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# uc.Chrome.__del__ = lambda self: None
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# except Exception:
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# pass
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from selenium.webdriver.common.by import By
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from selenium.common.exceptions import SessionNotCreatedException
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from selenium.webdriver.support.ui import WebDriverWait
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from selenium.webdriver.support import expected_conditions as EC
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from bs4 import BeautifulSoup
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from reportlab.lib.pagesizes import A3
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from reportlab.lib import colors
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from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Image, PageBreak
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from reportlab.lib.styles import getSampleStyleSheet
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from reportlab.pdfbase.ttfonts import TTFont
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from reportlab.pdfbase import pdfmetrics
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from datetime import datetime
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from PIL import Image as PILImage
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import re
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from PyPDF2 import PdfReader, PdfWriter
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from loguru import logger
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def _detect_local_chrome_major_version():
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"""检测本机 Chrome/Chromium 主版本号，尽量让 ChromeDriver 跟浏览器版本保持一致。"""
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# 这里按不同平台准备一组常见的 Chrome/Chromium 可执行文件位置。
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# 这样做的目的，是避免把 driver 版本写死后，浏览器一升级就再次出现版本不兼容。
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candidate_paths = []
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if os.name == 'nt':
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candidate_paths.extend([
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os.path.join(os.environ.get("PROGRAMFILES", ""), "Google", "Chrome", "Application", "chrome.exe"),
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os.path.join(os.environ.get("PROGRAMFILES(X86)", ""), "Google", "Chrome", "Application", "chrome.exe"),
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os.path.join(os.environ.get("LOCALAPPDATA", ""), "Google", "Chrome", "Application", "chrome.exe"),
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])
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candidate_paths.extend([
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shutil.which("chrome"),
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shutil.which("chrome.exe"),
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])
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else:
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candidate_paths.extend([
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shutil.which("google-chrome"),
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shutil.which("google-chrome-stable"),
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shutil.which("chromium"),
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shutil.which("chromium-browser"),
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shutil.which("chrome"),
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])
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# 依次尝试执行 `--version`，只要拿到类似 `147.0.7727.116` 的版本串，就提取主版本号返回。
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for chrome_path in candidate_paths:
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if not chrome_path or not os.path.exists(chrome_path):
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continue
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try:
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version_output = subprocess.check_output(
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[chrome_path, "--version"],
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stderr=subprocess.STDOUT,
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text=True,
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timeout=5,
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).strip()
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version_match = re.search(r"(\d+)\.", version_output)
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if version_match:
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return int(version_match.group(1))
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except Exception as exc:
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logger.debug(f"检测浏览器版本失败，路径={chrome_path}，原因={exc}")
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return None
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def _extract_browser_major_version_from_error(error_message):
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"""从 Selenium/ChromeDriver 报错中提取当前浏览器主版本号，用于兜底重试。"""
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# ChromeDriver 版本不匹配时，报错里通常会带 `Current browser version is 147.x.x.x` 这样的信息。
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# 这里把这个版本号解析出来，便于在首次启动失败后自动切换到正确版本再试一次。
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version_match = re.search(r"Current browser version is (\d+)\.", error_message or "")
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if version_match:
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return int(version_match.group(1))
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return None
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def _create_chrome_driver(options):
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"""创建 undetected_chromedriver 实例，并在版本不匹配时自动兜底重试一次。"""
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detected_major_version = _detect_local_chrome_major_version()
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chrome_kwargs = {"options": options}
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# 优先使用本机已安装浏览器的主版本号，避免继续使用过期的 driver 版本。
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if detected_major_version:
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chrome_kwargs["version_main"] = detected_major_version
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logger.info(f"检测到本机 Chrome/Chromium 主版本: {detected_major_version}")
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else:
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logger.warning("未检测到本机 Chrome/Chromium 版本，将交给 undetected_chromedriver 自动处理")
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try:
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return uc.Chrome(**chrome_kwargs)
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except SessionNotCreatedException as exc:
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# 如果首次启动失败，并且报错里明确告诉了当前浏览器版本，就按真实版本重试一次。
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# 这样即便服务器上实际启动的是另一个 Chrome 可执行文件，也能自动修正 driver 版本。
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retry_major_version = _extract_browser_major_version_from_error(str(exc))
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if retry_major_version and retry_major_version != detected_major_version:
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logger.warning(
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f"ChromeDriver 与浏览器版本不匹配，准备按浏览器主版本 {retry_major_version} 自动重试一次"
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)
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return uc.Chrome(options=options, version_main=retry_major_version)
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raise
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def download_image(url, session):
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"""使用同步的 session 下载图片，确保 Cookie 一致"""
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try:
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if not url.lower().endswith(('.jpg', '.jpeg', '.png')):
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return None
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response = session.get(url, timeout=15)
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response.raise_for_status()
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return BytesIO(response.content)
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except Exception as e:
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logger.warning(f"下载图片失败: {e}")
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return None
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def add_pdf_encryption(pdf_file, password="4000"):
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try:
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pdf_writer = PdfWriter()
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pdf_reader = PdfReader(pdf_file)
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for page in pdf_reader.pages:
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pdf_writer.add_page(page)
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pdf_writer.encrypt(password)
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with open(pdf_file, "wb") as output_pdf:
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pdf_writer.write(output_pdf)
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logger.debug("PDF加密成功")
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except Exception as e:
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logger.error(f"PDF加密失败: {e}")
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def fetch_and_create_pdf(url):
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driver = None
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service = None
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try:
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options = uc.ChromeOptions()
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# 规避检测的关键配置
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# 在Linux服务器上使用headless模式
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if os.name != 'nt':
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options.headless = True
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options.add_argument('--headless=new') # 使用新版headless模式
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else:
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options.headless = False
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options.add_argument('--no-sandbox')
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options.add_argument('--disable-gpu')
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options.add_argument('--disable-dev-shm-usage')
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options.add_argument('--disable-extensions')
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options.add_argument('--disable-background-networking')
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# 确保进程能被正确清理
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options.add_argument('--disable-crash-reporter')
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options.add_argument('--disable-in-process-stack-traces')
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options.add_argument('--disable-logging')
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options.add_argument('--disable-dev-shm-usage')
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# 创建 driver 实例。
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# 这里不再把版本硬编码成 144，而是优先跟随本机 Chrome 版本；
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# 如果首次启动时仍然遇到版本不匹配，再从报错里解析真实版本自动重试。
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driver = _create_chrome_driver(options)
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logger.info(f"正在访问: {url}")
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driver.get(url)
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# 等待 Cloudflare 5秒盾结束，并处理“满18岁”按钮
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time.sleep(8)
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try:
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enter_btn = WebDriverWait(driver, 10).until(
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EC.element_to_be_clickable((By.XPATH, '//a[contains(text(), "满18岁，请点此进入")]'))
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)
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enter_btn.click()
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logger.debug("点击了年龄确认按钮")
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time.sleep(3)
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except Exception:
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logger.debug("未发现年龄验证按钮，可能已过检测")
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# 确保列表加载
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WebDriverWait(driver, 20).until(
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EC.presence_of_element_located((By.CSS_SELECTOR, 'tbody[id^="normalthread"]'))
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)
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# 提取数据
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soup = BeautifulSoup(driver.page_source, 'html.parser')
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posts = [p for p in soup.find_all('tbody', {'id': lambda x: x and x.startswith('normalthread')}) if
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p.find('span', {'class': 'xi1'})]
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today_posts = posts[::-1]
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# 字体注册
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pdfmetrics.registerFont(TTFont('SimHei', 'fonts/simhei.ttf'))
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styles = getSampleStyleSheet()
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title_style = styles['Heading1']
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title_style.fontName = 'SimHei'
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title_style.textColor = colors.red
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normal_style = styles['Normal']
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normal_style.fontName = 'SimHei'
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# 路径逻辑 - 保存到 temp/JAV 目录
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base_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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save_path = os.path.join(base_dir, 'temp', 'JAV')
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if not os.path.exists(save_path):
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os.makedirs(save_path)
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pdf_filename = os.path.join(save_path, f"JAV-{datetime.now().strftime('%Y-%m-%d')}-{len(today_posts)}.pdf")
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doc = SimpleDocTemplate(pdf_filename, pagesize=A3)
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content = []
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max_w, max_h = (A3[0] - 72) * 0.95, (A3[1] - 72) * 0.7
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# 同步 Session
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session = requests.Session()
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ua = driver.execute_script("return navigator.userAgent")
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session.headers.update({'User-Agent': ua, 'Referer': 'https://www.sehuatang.net/'})
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for c in driver.get_cookies():
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session.cookies.set(c['name'], c['value'])
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# 循环帖子
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for post in today_posts:
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title_tag = post.find('a', {'class': 's xst'})
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if not title_tag: continue
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p_title = title_tag.get_text()
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p_url = 'https://www.sehuatang.net/' + title_tag.get('href')
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logger.info(f"详情页: {p_title}")
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try:
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resp = session.get(p_url, timeout=15)
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p_soup = BeautifulSoup(resp.text, 'html.parser')
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div = p_soup.find('div', {'class': 't_fsz'})
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if div:
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content.append(Paragraph(f" {p_title}", title_style))
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magnets = re.findall(r'magnet:\?[^ \u4e00-\u9fff]+', div.get_text())
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for m in magnets:
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content.append(Paragraph(f"<b>{m}</b>", normal_style))
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for img_tag in div.find_all('img'):
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src = img_tag.get('zoomfile')
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if src and 'http' in src:
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img_io = download_image(src, session)
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if img_io:
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with PILImage.open(img_io) as p_img:
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iw, ih = p_img.size
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sc = min(max_w / iw, max_h / ih, 1.0)
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img_io.seek(0)
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content.append(Image(img_io, width=iw * sc, height=ih * sc))
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if post != today_posts[-1]: content.append(PageBreak())
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except Exception as e:
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logger.error(f"帖子处理失败: {e}")
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doc.build(content)
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add_pdf_encryption(pdf_filename)
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return pdf_filename
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except Exception as e:
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logger.exception(f"抓取异常: {e}")
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return ""
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finally:
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# --- 确保Chrome进程被完全关闭 ---
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if driver:
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try:
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logger.debug("正在安全关闭浏览器...")
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# 先关闭所有标签页和窗口
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try:
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driver.close()
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except Exception as e:
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logger.warning(f"关闭浏览器窗口时出错: {e}")
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# 强制退出所有Chrome进程
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driver.quit()
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logger.debug("浏览器已完全关闭")
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except Exception as e:
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logger.error(f"关闭浏览器时出错: {e}")
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# 额外保险：强制清理残留的Chrome进程（仅Linux）
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if os.name != 'nt':
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try:
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import psutil
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current_user = os.getlogin()
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for proc in psutil.process_iter(['pid', 'name', 'cmdline', 'username']):
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try:
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if proc.info['name'] and 'chrome' in proc.info['name'].lower():
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if proc.info['username'] == current_user:
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# 检查是否是本次启动的chrome进程（通过命令行参数判断）
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cmdline = proc.info.get('cmdline', [])
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if cmdline and any('--user-data-dir=/tmp/playwright' in str(cmd) for cmd in cmdline):
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logger.info(f"强制终止残留Chrome进程: PID={proc.info['pid']}")
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proc.kill()
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except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):
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pass
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except ImportError:
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logger.debug("未安装psutil，跳过强制清理")
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except Exception as e:
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logger.warning(f"强制清理Chrome进程时出错: {e}")
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def pdf_file_path_undetected():
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try:
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url = 'https://www.sehuatang.net/forum.php?mod=forumdisplay&fid=103&filter=typeid&typeid=481'
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pdf_path = fetch_and_create_pdf(url)
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if pdf_path:
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logger.info(f"返回的PDF文件路径：{pdf_path}")
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return True, pdf_path
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else:
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# 如果生成失败，返回一个默认的PDF路径
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default_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "default.pdf")
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logger.info(f"PDF生成失败，返回默认路径: {default_path}")
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return False, default_path
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except Exception as e:
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logger.error(f"生成PDF路径时出错: {e}")
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# 返回一个默认路径
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default_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "default.pdf")
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return False, default_path
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if __name__ == "__main__":
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pdf_file_path_undetected()
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