203 lines
8.1 KiB
Python
203 lines
8.1 KiB
Python
import os
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import json
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import time
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from datetime import datetime
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import undetected_chromedriver as uc
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from selenium.webdriver.common.by import By
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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 selenium.common.exceptions import TimeoutException, NoSuchElementException
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from loguru import logger
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class ProductHuntScraper:
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def __init__(self):
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self.driver = None
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self.product_url = "https://www.producthunt.com/products/elsie-ai-beta"
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def connect_to_chrome(self):
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"""连接到Chrome实例"""
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try:
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logger.info("正在初始化未检测的Chrome驱动...")
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# 使用undetected-chromedriver创建驱动实例
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options = uc.ChromeOptions()
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options.add_argument("--no-sandbox")
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options.add_argument("--disable-dev-shm-usage")
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options.add_argument("--disable-gpu")
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options.add_argument("--window-size=1920,1080")
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# 创建驱动
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self.driver = uc.Chrome(options=options, version_main=142)
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logger.info("成功连接到未检测的Chrome实例")
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return True
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except Exception as e:
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logger.error(f"连接Chrome实例失败: {str(e)}")
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return False
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def navigate_to_product(self):
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"""导航到产品页面"""
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try:
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logger.info(f"正在导航到产品页面: {self.product_url}")
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self.driver.get(self.product_url)
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# 等待页面加载
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logger.info("等待页面加载...")
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WebDriverWait(self.driver, 20).until(
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EC.presence_of_element_located((By.TAG_NAME, "body"))
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)
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# 额外等待，确保动态内容加载
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logger.info("等待动态内容加载...")
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time.sleep(10)
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logger.info("页面加载完成")
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return True
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except TimeoutException:
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logger.error("页面加载超时")
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return False
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except Exception as e:
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logger.error(f"导航到产品页面失败: {str(e)}")
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return False
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def extract_product_info(self):
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"""提取产品信息"""
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try:
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logger.info("开始提取产品信息")
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product_info = {
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"url": self.product_url,
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"scraped_at": datetime.now().isoformat()
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}
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# 提取产品名称 (h1标签)
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try:
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name_element = self.driver.find_element(By.TAG_NAME, "h1")
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product_info["name"] = name_element.text.strip()
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logger.info(f"产品名称: {product_info['name']}")
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except NoSuchElementException:
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logger.warning("未找到产品名称 (h1标签)")
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product_info["name"] = "未找到"
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# 提取产品简介 (class为"relative text-16 font-normal text-gray-700"的div)
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try:
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desc_selector = "div.relative.text-16.font-normal.text-gray-700"
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desc_element = self.driver.find_element(By.CSS_SELECTOR, desc_selector)
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product_info["description"] = desc_element.text.strip()
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logger.info(f"产品简介: {product_info['description'][:50]}...")
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except NoSuchElementException:
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logger.warning("未找到产品简介 (div.relative.text-16.font-normal.text-gray-700)")
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product_info["description"] = "未找到"
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# 提取第一个评论 (class为"flex flex-1 flex-col gap-2"的div)
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try:
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comment_selector = "div.flex.flex-1.flex-col.gap-2"
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comment_element = self.driver.find_element(By.CSS_SELECTOR, comment_selector)
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product_info["first_comment"] = comment_element.text.strip()
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logger.info(f"第一个评论: {product_info['first_comment'][:50]}...")
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except NoSuchElementException:
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logger.warning("未找到第一个评论 (div.flex.flex-1.flex-col.gap-2)")
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product_info["first_comment"] = "未找到"
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# 尝试提取其他有用信息
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try:
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# 尝试获取产品标签
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tag_elements = self.driver.find_elements(By.CSS_SELECTOR, "[class*='tag'], [class*='category'], [class*='topic']")
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if tag_elements:
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tags = [tag.text.strip() for tag in tag_elements if tag.text.strip()]
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product_info["tags"] = tags[:5] # 最多取5个标签
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logger.info(f"找到标签: {tags[:3]}")
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except Exception as e:
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logger.debug(f"提取标签时出错: {str(e)}")
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# 尝试获取点赞数
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try:
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like_elements = self.driver.find_elements(By.CSS_SELECTOR, "[class*='vote'], [class*='like'], [class*='upvote']")
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if like_elements:
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product_info["likes"] = like_elements[0].text.strip()
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logger.info(f"点赞数: {product_info['likes']}")
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except Exception as e:
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logger.debug(f"提取点赞数时出错: {str(e)}")
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# 尝试获取评论数
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try:
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comment_count_elements = self.driver.find_elements(By.CSS_SELECTOR, "[class*='comment-count'], [class*='comments']")
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if comment_count_elements:
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product_info["comment_count"] = comment_count_elements[0].text.strip()
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logger.info(f"评论数: {product_info['comment_count']}")
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except Exception as e:
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logger.debug(f"提取评论数时出错: {str(e)}")
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return product_info
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except Exception as e:
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logger.error(f"提取产品信息失败: {str(e)}")
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return None
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def save_to_file(self, data, filename="product_info.json"):
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"""保存数据到文件"""
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try:
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with open(filename, "w", encoding="utf-8") as f:
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json.dump(data, f, ensure_ascii=False, indent=2)
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logger.info(f"数据已保存到 {filename}")
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return True
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except Exception as e:
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logger.error(f"保存数据失败: {str(e)}")
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return False
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def save_screenshot(self, filename="product_screenshot.png"):
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"""保存页面截图，用于调试"""
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try:
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self.driver.save_screenshot(filename)
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logger.info(f"页面截图已保存到 {filename}")
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return True
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except Exception as e:
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logger.error(f"保存页面截图失败: {str(e)}")
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return False
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def close(self):
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"""关闭浏览器"""
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if self.driver:
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self.driver.quit()
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logger.info("浏览器已关闭")
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def scrape_product(self):
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"""执行完整的抓取流程"""
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if not self.connect_to_chrome():
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logger.error("无法连接到Chrome实例")
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return False
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try:
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if not self.navigate_to_product():
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logger.error("无法导航到产品页面")
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return False
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# 保存截图用于调试
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self.save_screenshot()
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product_info = self.extract_product_info()
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if product_info:
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self.save_to_file(product_info)
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return True
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else:
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logger.error("未能提取产品信息")
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return False
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finally:
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self.close()
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def main():
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logger.info("开始ProductHunt产品信息抓取")
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scraper = ProductHuntScraper()
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# 可以修改product_url来抓取其他产品
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# scraper.product_url = "https://www.producthunt.com/products/your-product"
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success = scraper.scrape_product()
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if success:
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logger.info("产品信息抓取完成")
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else:
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logger.error("产品信息抓取失败")
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if __name__ == "__main__":
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main() |