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tophux_scrape/product/playwright-get-data.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
使用Playwright连接远程Chrome调试端口访问ProductHunt页面
"""
import asyncio
from playwright.async_api import async_playwright
from loguru import logger
import sys
# 配置日志
logger.remove()
logger.add(sys.stderr, level="INFO", format="<green>{time:YYYY-MM-DD HH:mm:ss}</green> | <level>{level: <8}</level> | <cyan>{name}</cyan>:<cyan>{function}</cyan>:<cyan>{line}</cyan> - <level>{message}</level>")
class ProductHuntScraper:
"""ProductHunt数据抓取器"""
def __init__(self, debug_port=9222):
self.debug_port = debug_port
self.browser = None
self.page = None
async def connect_to_existing_chrome(self):
"""连接到已运行的Chrome实例"""
logger.info(f"正在连接到Chrome远程调试端口 {self.debug_port}")
try:
# 创建Playwright实例并保持引用
self.playwright = await async_playwright().start()
# 连接到已运行的Chrome实例
self.browser = await self.playwright.chromium.connect_over_cdp(
f"http://localhost:{self.debug_port}"
)
# 获取第一个上下文(通常是默认的)
contexts = self.browser.contexts
if contexts:
context = contexts[0]
# 获取第一个页面
pages = context.pages
if pages:
self.page = pages[0]
else:
# 如果没有页面,创建新页面
self.page = await context.new_page()
else:
# 如果没有上下文,创建新上下文
context = await self.browser.new_context()
self.page = await context.new_page()
logger.success("成功连接到Chrome浏览器")
return True
except Exception as e:
logger.error(f"连接Chrome失败: {e}")
return False
async def navigate_to_producthunt(self, url):
"""导航到ProductHunt页面"""
if not self.page:
logger.error("页面未初始化")
return False
try:
logger.info(f"正在访问: {url}")
# 增加页面导航超时时间到300秒
await self.page.goto(url, wait_until="domcontentloaded", timeout=300000)
# 等待页面加载完成,增加超时时间
await self.page.wait_for_load_state("networkidle", timeout=300000)
# 等待页面标题包含"Product Hunt"最长等待300秒
logger.info("等待页面标题包含'Product Hunt'...")
max_wait_time = 300 # 最大等待时间(秒)
wait_interval = 5 # 检查间隔(秒)
waited_time = 0
while waited_time < max_wait_time:
# 获取页面标题
title = await self.page.title()
logger.info(f"当前页面标题: {title}")
# 检查标题是否包含"Product Hunt"
if "Product Hunt" in title:
logger.success(f"页面标题已包含'Product Hunt',等待时间: {waited_time}")
logger.success("Product Hunt网站已成功打开")
return True
# 等待一段时间后再次检查
await asyncio.sleep(wait_interval)
waited_time += wait_interval
logger.info(f"已等待 {waited_time} 秒,继续等待...")
# 如果超时仍未找到目标标题
logger.warning(f"等待超时({max_wait_time}秒),页面标题仍未包含'Product Hunt'")
logger.info(f"最终页面标题: {await self.page.title()}")
# 即使超时如果页面正常加载也返回True
final_title = await self.page.title()
if final_title and "Not Found" not in final_title and "Error" not in final_title:
logger.success("页面已正常加载,但标题不符合预期")
return True
else:
logger.error("页面加载失败")
return False
except Exception as e:
logger.error(f"访问页面失败: {e}")
return False
async def extract_product_info(self):
"""提取产品信息"""
if not self.page:
logger.error("页面未初始化")
return None
try:
product_info = {}
# 提取产品名称
name_element = await self.page.query_selector("h1")
if name_element:
product_info["name"] = await name_element.text_content()
logger.info(f"产品名称: {product_info['name']}")
# 提取产品描述
desc_element = await self.page.query_selector("[data-testid='product-description']")
if not desc_element:
desc_element = await self.page.query_selector(".styles_description__")
if desc_element:
product_info["description"] = await desc_element.text_content()
logger.info(f"产品描述: {product_info['description'][:100]}...")
# 提取投票数
votes_element = await self.page.query_selector("[data-testid='vote-button']")
if votes_element:
votes_text = await votes_element.text_content()
product_info["votes"] = votes_text
logger.info(f"投票数: {votes_text}")
# 提取产品链接
website_element = await self.page.query_selector("a[href*='://']")
if website_element:
product_info["website"] = await website_element.get_attribute("href")
logger.info(f"产品网站: {product_info['website']}")
# 截取页面截图
screenshot_path = "product_screenshot.png"
await self.page.screenshot(path=screenshot_path, full_page=True)
logger.info(f"页面截图已保存到: {screenshot_path}")
return product_info
except Exception as e:
logger.error(f"提取产品信息失败: {e}")
return None
async def close(self):
"""关闭连接"""
if self.browser:
await self.browser.close()
logger.info("浏览器连接已关闭")
if hasattr(self, 'playwright') and self.playwright:
await self.playwright.stop()
logger.info("Playwright实例已关闭")
async def main():
"""主函数"""
logger.info("开始ProductHunt数据抓取任务")
# 目标URL
target_url = "https://www.producthunt.com/products/notion"
# 创建抓取器实例
scraper = ProductHuntScraper(debug_port=9222)
try:
# 连接到Chrome
if not await scraper.connect_to_existing_chrome():
logger.error("无法连接到Chrome请确保Chrome已启动并启用远程调试")
return
# 导航到目标页面
if not await scraper.navigate_to_producthunt(target_url):
logger.error("页面访问失败")
return
# 提取产品信息
product_info = await scraper.extract_product_info()
if product_info:
logger.success("产品信息提取完成")
# 保存产品信息到JSON文件
import json
with open("product_info.json", "w", encoding="utf-8") as f:
json.dump(product_info, f, ensure_ascii=False, indent=2)
logger.info("产品信息已保存到 product_info.json")
else:
logger.warning("未能提取到产品信息")
except Exception as e:
logger.error(f"执行过程中发生错误: {e}")
finally:
# 关闭连接
await scraper.close()
logger.info("任务完成")
if __name__ == "__main__":
asyncio.run(main())