309 lines
13 KiB
Python
309 lines
13 KiB
Python
import time
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import os
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import requests
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from io import BytesIO
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from selenium import webdriver
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from selenium.webdriver.chrome.service import Service
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from selenium.webdriver.common.by import By
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from selenium.webdriver.chrome.options import Options
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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 webdriver_manager.chrome import ChromeDriverManager
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from bs4 import BeautifulSoup
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from reportlab.lib.pagesizes import letter, 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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# download_image 函数保持不变
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def download_image(url):
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"""下载大于100KB的图片并返回临时文件路径，仅支持jpg、jpeg和png格式"""
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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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headers = {
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
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'Referer': 'https://tu.a7nz4.us',
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}
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response = requests.get(url, headers=headers)
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response.raise_for_status()
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image = BytesIO(response.content)
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return image
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except requests.exceptions.RequestException 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 fetch_and_create_pdf(url):
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"""根据给定URL抓取页面并生成PDF"""
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driver = None
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try:
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# 配置Selenium
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options = Options()
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options.add_argument('--headless') # 使用新的headless模式
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options.add_argument('--disable-gpu')
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options.add_argument('--no-sandbox')
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options.add_argument('--disable-dev-shm-usage') # 添加Linux特定配置
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options.add_argument('--disable-logging')
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options.add_argument('--log-level=3')
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options.add_experimental_option('excludeSwitches', ['enable-automation', 'enable-logging'])
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# 根据操作系统选择不同的ChromeDriver路径处理方式
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if os.name == 'nt': # Windows
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chrome_driver_path = os.path.join(
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os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
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"utils", "chromedriver", "chromedriver.exe"
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)
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else: # Linux
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chrome_driver_path = '/usr/bin/chromedriver' # 使用系统PATH中的chromedriver
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try:
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if os.name == 'nt' and not os.path.exists(chrome_driver_path):
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chrome_driver_path = ChromeDriverManager().install()
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service = Service(chrome_driver_path, log_path=os.devnull)
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driver = webdriver.Chrome(service=service, options=options)
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except Exception as e:
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logger.debug(f"初始化ChromeDriver失败: {e}")
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chrome_driver_path = ChromeDriverManager().install()
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service = Service(chrome_driver_path, log_path=os.devnull)
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driver = webdriver.Chrome(service=service, options=options)
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# 获取目标页面
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driver.get(url)
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try:
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enter_button = WebDriverWait(driver, 5).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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enter_button.click()
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logger.debug("点击了满18岁按钮")
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except Exception as e:
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logger.warning(f"未找到满18岁按钮，跳过此步骤: {e}")
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WebDriverWait(driver, 10).until(
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EC.presence_of_all_elements_located((By.CSS_SELECTOR, 'tbody[id^="normalthread"]')))
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# 处理年龄验证按钮
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try:
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enter_button = driver.find_element(By.XPATH, '//a[contains(text(), "满18岁，请点此进入")]')
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enter_button.click()
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logger.debug("点击了满18岁按钮")
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time.sleep(5)
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except Exception as e:
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logger.warning(f"未找到满18岁按钮，跳过此步骤: {e}")
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# 解析页面
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html = driver.page_source
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soup = BeautifulSoup(html, 'html.parser', from_encoding='utf-8')
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posts = soup.find_all('tbody', {'id': lambda x: x and x.startswith('normalthread')})
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# 获取今天的日期
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today = datetime.now().strftime('%Y-%m-%d')
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# 注册中文字体
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pdfmetrics.registerFont(TTFont('SimHei', 'fonts/simhei.ttf'))
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styles = getSampleStyleSheet()
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# 设置样式
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title_style = styles['Heading1']
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title_style.fontName = 'SimHei'
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title_style.fontSize = 14
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title_style.textColor = colors.red
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title_style.bold = True
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normal_style = styles['Normal']
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normal_style.fontName = 'SimHei'
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normal_style.fontSize = 14
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content = []
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# 过滤当天帖子并倒序
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today_posts = []
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for post in posts:
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post_time_span = post.find('span', {'class': 'xi1'})
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if post_time_span:
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today_posts.append(post)
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today_posts = today_posts[::-1] # 倒序处理
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# 设置PDF
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# 修改PDF文件路径到项目根目录的temp目录下
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pdf_filename = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))),
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'temp',
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f"JAV-{today}-{len(today_posts)}.pdf")
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doc = SimpleDocTemplate(pdf_filename, pagesize=A3)
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# 计算内容区域的宽度和高度
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page_width, page_height = A3
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content_width = page_width - doc.rightMargin - doc.leftMargin
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content_height = page_height - doc.topMargin - doc.bottomMargin
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# 设置最大图片尺寸，留出一些边距
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max_image_width = content_width * 0.95
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max_image_height = content_height * 0.7 # 留出足够空间给文本和其他元素
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# 遍历帖子
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session = requests.Session()
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session.headers.update({
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'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
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'Referer': 'https://www.sehuatang.net/'
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})
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for c in driver.get_cookies():
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try:
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session.cookies.set(c['name'], c['value'], domain=c.get('domain'), path=c.get('path', '/'))
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except Exception:
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session.cookies.set(c['name'], c['value'])
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for post in today_posts:
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title = post.find('a', {'class': 's xst'})
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if title:
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post_title = title.get_text()
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post_url = title.get('href')
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logger.info(post_title)
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# 获取帖子内容
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post_page_url = 'https://www.sehuatang.net/' + post_url
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try:
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resp = session.get(post_page_url, timeout=15)
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resp.raise_for_status()
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post_html = resp.text
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except Exception as e:
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logger.warning(f"获取帖子内容失败: {e}")
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continue
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post_soup = BeautifulSoup(post_html, 'html.parser', from_encoding='utf-8')
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content_div = post_soup.find('div', {'class': 't_fsz'})
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if content_div:
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# 提取文本和磁力链接
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post_text = content_div.get_text(strip=True)
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magnet_links = re.findall(r'magnet:\?[^ \u4e00-\u9fff]+', post_text)
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# 添加标题
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content.append(Paragraph(f" {post_title}", title_style))
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content.append(Spacer(1, 5))
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# 添加磁力链接
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if magnet_links:
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for magnet_link in magnet_links:
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content.append(Paragraph(f"<br /><b>{magnet_link}</b><br />", normal_style))
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content.append(Spacer(1, 12))
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# 添加图片
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image_links = []
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images = content_div.find_all('img')
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for img in images:
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if img.get('zoomfile') and 'http' in img.get('zoomfile'):
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image_links.append(img.get('zoomfile'))
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if image_links:
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for img_link in image_links:
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image = download_image(img_link)
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if image:
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try:
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# 使用PIL处理图片尺寸
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with PILImage.open(image) as img:
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img_width, img_height = img.size
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# 计算缩放比例，确保图片适应页面
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scale_width = max_image_width / img_width
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scale_height = max_image_height / img_height
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scale = min(scale_width, scale_height, 1.0) # 不超过原始大小
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# 计算新的尺寸
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new_width = img_width * scale
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new_height = img_height * scale
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# 重置文件指针
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image.seek(0)
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img_stream = BytesIO(image.getvalue())
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# 添加图片到内容中，使用计算后的尺寸
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content.append(Image(img_stream, width=new_width, height=new_height))
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content.append(Spacer(1, 4))
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logger.debug(
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f"处理图片: 原始尺寸 {img_width}x{img_height}, 新尺寸 {new_width}x{new_height}")
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except Exception as e:
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logger.error(f"处理图片时出错: {e}")
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# 在每个帖子后添加分页符（除了最后一页）
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if post != today_posts[-1]:
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content.append(PageBreak())
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# 生成PDF
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try:
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doc.build(content)
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absolute_pdf_path = os.path.abspath(pdf_filename)
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logger.info(f"PDF saved as {absolute_pdf_path}")
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# 加密PDF
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add_pdf_encryption(absolute_pdf_path)
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return absolute_pdf_path
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except Exception as e:
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logger.error(f"生成PDF时出错: {e}")
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# 如果生成失败，返回一个默认路径或空字符串
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return ""
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except Exception as e:
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logger.error(f"抓取帖子时出错: {e}")
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# 如果抓取失败，返回一个默认路径或空字符串
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return ""
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finally:
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# 确保在所有情况下都关闭driver
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if driver:
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try:
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driver.quit()
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logger.debug("Chrome driver已成功关闭")
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except Exception as e:
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logger.error(f"关闭Chrome driver时出错: {e}")
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# 在极端情况下尝试强制结束进程
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try:
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import psutil
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process = psutil.Process(driver.service.process.pid)
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process.terminate()
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logger.debug("已强制终止Chrome进程")
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except Exception as e2:
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logger.error(f"强制终止Chrome进程失败: {e2}")
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# add_pdf_encryption 和 pdf_file_path 函数保持不变
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def add_pdf_encryption(pdf_file, password="4000"):
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"""使用PyPDF2为PDF添加加密保护"""
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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_num in range(len(pdf_reader.pages)):
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pdf_writer.add_page(pdf_reader.pages[page_num])
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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(f"PDF加密成功，密码为: {password}")
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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 pdf_file_path():
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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()
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