新华网搜索爬虫+新闻内容提取
This commit is contained in:
@@ -1,4 +1,5 @@
|
||||
# 新华网爬虫
|
||||
from itertools import count
|
||||
from typing import List, Optional
|
||||
|
||||
from bs4 import Tag
|
||||
@@ -84,24 +85,24 @@ class XhwCrawler(BaseCrawler):
|
||||
chrome_options.add_argument('--disable-web-security')
|
||||
chrome_options.add_argument('--allow-running-insecure-content')
|
||||
chrome_options.add_argument('--disable-features=VizDisplayCompositor')
|
||||
chrome_options.add_argument('--remote-debugging-port=9222') # 添加调试端口
|
||||
service = Service(executable_path=r"chromedriver.exe")
|
||||
|
||||
driver = None
|
||||
try:
|
||||
self.driver = webdriver.Chrome(service=service, options=chrome_options)
|
||||
driver = webdriver.Chrome(service=service, options=chrome_options)
|
||||
logger.info("Chrome浏览器初始化成功")
|
||||
except Exception as e:
|
||||
logger.error(f"Chrome浏览器初始化失败: {str(e)}")
|
||||
return None
|
||||
|
||||
# 设置隐式等待时间
|
||||
self.driver.implicitly_wait(10)
|
||||
# driver.implicitly_wait(10)
|
||||
|
||||
# 访问主页获取初始Cookie
|
||||
logger.info("访问主页获取初始Cookie")
|
||||
logger.info(f"准备访问URL: {self.config.base_url}")
|
||||
try:
|
||||
self.driver.get(self.config.base_url)
|
||||
driver.get(self.config.base_url)
|
||||
logger.info(f"成功访问URL: {self.config.base_url}")
|
||||
except Exception as e:
|
||||
logger.error(f"访问URL失败: {self.config.base_url}, 错误: {str(e)}")
|
||||
@@ -109,7 +110,7 @@ class XhwCrawler(BaseCrawler):
|
||||
time.sleep(random.uniform(2, 4))
|
||||
|
||||
# 检查是否有验证页面
|
||||
page_source = self.driver.page_source
|
||||
page_source = driver.page_source
|
||||
if "验证" in page_source or "captcha" in page_source.lower() or "滑动验证" in page_source:
|
||||
logger.warning("检测到验证页面，尝试手动处理验证")
|
||||
|
||||
@@ -118,318 +119,244 @@ class XhwCrawler(BaseCrawler):
|
||||
time.sleep(30)
|
||||
|
||||
# 刷新页面，检查验证是否完成
|
||||
self.driver.refresh()
|
||||
driver.refresh()
|
||||
time.sleep(random.uniform(2, 4))
|
||||
|
||||
# 再次检查验证状态
|
||||
page_source = self.driver.page_source
|
||||
page_source = driver.page_source
|
||||
if "验证" in page_source or "captcha" in page_source.lower() or "滑动验证" in page_source:
|
||||
logger.error("验证未完成，无法继续爬取")
|
||||
# self.driver.quit()
|
||||
# self.driver = None
|
||||
return None
|
||||
|
||||
return self.driver
|
||||
return driver
|
||||
|
||||
def __del__(self):
|
||||
"""析构函数，确保关闭浏览器"""
|
||||
if hasattr(self, 'driver') and self.driver:
|
||||
self.driver.quit()
|
||||
logger.info("浏览器已关闭")
|
||||
|
||||
def search(self, key:str, total=10, action="news") -> ResultDomain:
|
||||
# 检查driver是否已初始化
|
||||
if not self.driver:
|
||||
logger.error("WebDriver未初始化，无法继续爬取")
|
||||
resultDomain = ResultDomain(code=1, message="WebDriver未初始化，无法继续爬取", success=False)
|
||||
return resultDomain
|
||||
|
||||
# 直接使用self.driver
|
||||
news_urls = []
|
||||
news_list = []
|
||||
resultDomain = ResultDomain(code=0, message="", success=True, dataList=news_list)
|
||||
# 获取搜索配置
|
||||
search_config = self.config.urls.get("search")
|
||||
if not search_config:
|
||||
logger.error("未找到搜索URL配置")
|
||||
resultDomain.code = 0
|
||||
resultDomain.message = "未找到搜索URL配置"
|
||||
resultDomain.success = False
|
||||
return resultDomain
|
||||
pagesize = 10
|
||||
# 准备搜索参数
|
||||
search_data = search_config.params.copy()
|
||||
search_data["k"] = key
|
||||
search_data["action"] = action
|
||||
|
||||
# 获取新闻url
|
||||
url_base_map = {}
|
||||
# 向上取整计算需要的页数
|
||||
total_pages = (total + pagesize - 1) // pagesize
|
||||
for page in range(1, total_pages + 1):
|
||||
search_data["page"] = page
|
||||
pageHtml = search_config.url + "?" + urlencode(search_data)
|
||||
# 分页的html
|
||||
logger.info(f"请求URL: {pageHtml}")
|
||||
|
||||
# 使用Selenium访问页面
|
||||
self.driver.get(pageHtml)
|
||||
time.sleep(random.uniform(2, 4))
|
||||
|
||||
# 检查是否有验证页面
|
||||
if not self.driver:
|
||||
logger.error("WebDriver已失效，无法继续爬取")
|
||||
resultDomain = ResultDomain(code=1, message="WebDriver已失效，无法继续爬取", success=False)
|
||||
return resultDomain
|
||||
|
||||
page_source = self.driver.page_source
|
||||
if "验证" in page_source or "captcha" in page_source.lower() or "滑动验证" in page_source:
|
||||
logger.warning("检测到验证页面，尝试手动处理验证")
|
||||
logger.info("请在30秒内手动完成验证...")
|
||||
time.sleep(30)
|
||||
|
||||
# 检查driver是否仍然有效
|
||||
if not self.driver:
|
||||
logger.error("WebDriver已失效，无法继续爬取")
|
||||
resultDomain = ResultDomain(code=1, message="WebDriver已失效，无法继续爬取", success=False)
|
||||
return resultDomain
|
||||
|
||||
self.driver.refresh()
|
||||
time.sleep(random.uniform(2, 4))
|
||||
|
||||
# 再次检查验证状态
|
||||
if not self.driver:
|
||||
logger.error("WebDriver已失效，无法继续爬取")
|
||||
resultDomain = ResultDomain(code=1, message="WebDriver已失效，无法继续爬取", success=False)
|
||||
return resultDomain
|
||||
|
||||
page_source = self.driver.page_source
|
||||
if "验证" in page_source or "captcha" in page_source.lower() or "滑动验证" in page_source:
|
||||
logger.error("验证未完成，无法继续爬取")
|
||||
resultDomain = ResultDomain(code=1, message="验证未完成，无法继续爬取", success=False)
|
||||
return resultDomain
|
||||
|
||||
# 解析页面内容
|
||||
pageSoup = self.parse_html(page_source)
|
||||
logger.info(f"解析后的HTML内容: {str(pageSoup)[:500]}...") # 只输出前500个字符
|
||||
# 从分页中获取新闻url
|
||||
searchMainDiv = pageSoup.find("div", class_="page-search-main")
|
||||
if not searchMainDiv:
|
||||
logger.error("未找到搜索主体部分")
|
||||
resultDomain.code = 0
|
||||
resultDomain.message = "未找到搜索主体部分"
|
||||
resultDomain.success = False
|
||||
return resultDomain
|
||||
searchGroupDiv = searchMainDiv.find("div", class_="page-search-group")
|
||||
if not searchGroupDiv:
|
||||
logger.error("未找到搜索组")
|
||||
resultDomain.code = 0
|
||||
resultDomain.message = "未找到搜索组"
|
||||
resultDomain.success = False
|
||||
return resultDomain
|
||||
newsDiv = searchGroupDiv.find("div", class_="page-search-news")
|
||||
if not newsDiv:
|
||||
logger.error("未找到新闻列表")
|
||||
resultDomain.code = 0
|
||||
resultDomain.message = "未找到新闻列表"
|
||||
resultDomain.success = False
|
||||
return resultDomain
|
||||
newsList = newsDiv.find_all("div", class_="group")
|
||||
for news in newsList:
|
||||
news_info = news.find("div.head")
|
||||
news_title = news_info.find("div.title")
|
||||
news_date = news_info.find("div.date").text.strip()
|
||||
url = news_title.find("a").get("href")
|
||||
url_base_map[url] = {"title": news_title.get_text(strip=True), "date": news_date}
|
||||
news_urls.append(url)
|
||||
# 临时保存url到url.json
|
||||
with open("url.json", "w", encoding="utf-8") as f:
|
||||
json.dump(url_base_map, f, ensure_ascii=False, indent=4)
|
||||
# 从新闻url中获取新闻详情
|
||||
for news_url in news_urls:
|
||||
news = self.parse_news_detail(news_url)
|
||||
news.title = url_base_map.get(news_url, {}).get("title")
|
||||
news.publishTime = url_base_map.get(news_url, {}).get("date")
|
||||
news_list.append(news)
|
||||
|
||||
# 临时保存新闻到news.json
|
||||
with open("news.json", "w", encoding="utf-8") as f:
|
||||
json.dump(news_list, f, ensure_ascii=False, indent=4)
|
||||
|
||||
# 关闭浏览器
|
||||
if self.driver:
|
||||
self.driver.quit()
|
||||
logger.info("浏览器已关闭")
|
||||
|
||||
return resultDomain
|
||||
|
||||
def parse_news_detail(self, url: str) -> Optional[NewsItem]:
|
||||
return self.parse_xhsz_news_detail_selenium(url)
|
||||
return self.parse_xhsz_news_detail(url)
|
||||
|
||||
def parse_xhsz_news_detail(self, url: str) -> NewsItem:
|
||||
"""
|
||||
使用Selenium解析新华网新闻详情页
|
||||
异常局部捕获，保证返回 NewsItem 对象，即使部分内容解析失败
|
||||
"""
|
||||
news_item = NewsItem(title="", contentRows=[], url=url)
|
||||
|
||||
def parse_xhsz_news_detail_selenium(self, url: str) -> Optional[NewsItem]:
|
||||
# 检查driver是否已初始化
|
||||
if not self.driver:
|
||||
logger.error("WebDriver未初始化，无法获取新闻详情")
|
||||
return None
|
||||
|
||||
newsItem = NewsItem(title="", contentRows=[], url=url)
|
||||
return news_item
|
||||
|
||||
# 使用Selenium访问新闻详情页
|
||||
self.driver.get(url)
|
||||
time.sleep(random.uniform(2, 4))
|
||||
try:
|
||||
self.driver.get(url)
|
||||
time.sleep(2)
|
||||
except Exception as e:
|
||||
logger.warning(f"访问新闻详情页失败: {url}, {e}")
|
||||
return news_item
|
||||
|
||||
# 滑动验证处理
|
||||
try:
|
||||
sliders = self.driver.find_elements(By.CSS_SELECTOR, ".handler.handler_bg")
|
||||
if sliders:
|
||||
slider = sliders[0]
|
||||
action_chain = ActionChains(self.driver)
|
||||
action_chain.click_and_hold(slider).perform()
|
||||
distance = 1000
|
||||
tracks = [distance*0.2, distance*0.3, distance*0.25, distance*0.25]
|
||||
for track in tracks:
|
||||
action_chain.move_by_offset(int(track), 0).pause(1)
|
||||
action_chain.perform()
|
||||
action_chain.release().perform()
|
||||
time.sleep(2)
|
||||
except Exception as e:
|
||||
logger.info(f"滑块验证处理失败或未出现: {e}")
|
||||
|
||||
# 检查是否有验证页面
|
||||
if not self.driver:
|
||||
logger.error("WebDriver已失效，无法获取新闻详情")
|
||||
return None
|
||||
|
||||
page_source = self.driver.page_source
|
||||
if "验证" in page_source or "captcha" in page_source.lower() or "滑动验证" in page_source:
|
||||
logger.warning("检测到验证页面，尝试手动处理验证")
|
||||
logger.info("请在30秒内手动完成验证...")
|
||||
time.sleep(30)
|
||||
|
||||
# 检查driver是否仍然有效
|
||||
if not self.driver:
|
||||
logger.error("WebDriver已失效，无法获取新闻详情")
|
||||
return None
|
||||
|
||||
self.driver.refresh()
|
||||
time.sleep(random.uniform(2, 4))
|
||||
final_url = self.driver.current_url
|
||||
if final_url != url:
|
||||
news_item = self.parse_xh_news_detail(final_url)
|
||||
news_item.url = url
|
||||
return news_item
|
||||
|
||||
# 再次检查验证状态
|
||||
if not self.driver:
|
||||
logger.error("WebDriver已失效，无法获取新闻详情")
|
||||
return None
|
||||
|
||||
page_source = self.driver.page_source
|
||||
if "验证" in page_source or "captcha" in page_source.lower() or "滑动验证" in page_source:
|
||||
logger.error("验证未完成，无法获取新闻详情")
|
||||
return None
|
||||
# 新闻主体
|
||||
try:
|
||||
main_div = WebDriverWait(self.driver, 10).until(
|
||||
EC.presence_of_element_located((By.CSS_SELECTOR, "div.page-news-detail"))
|
||||
)
|
||||
except Exception as e:
|
||||
logger.warning(f"未找到新闻主体: {url}, {e}")
|
||||
return news_item
|
||||
|
||||
# 解析页面内容
|
||||
newsDetailSoup = self.parse_html(page_source)
|
||||
try:
|
||||
article_div = main_div.find_element(By.CSS_SELECTOR, "div.page-news-l")
|
||||
except:
|
||||
logger.warning(f"未找到文章主体: {url}")
|
||||
return news_item
|
||||
|
||||
# 查找新闻主体部分
|
||||
main_div = newsDetailSoup.find("div.page-news-detail")
|
||||
if not main_div:
|
||||
logger.error(f"未找到新闻主体部分: {url}")
|
||||
return None
|
||||
# 标题
|
||||
try:
|
||||
title_div = article_div.find_element(By.CSS_SELECTOR, "div.page-news-detail-title")
|
||||
news_item.title = title_div.text.strip()
|
||||
except:
|
||||
pass
|
||||
|
||||
article_div = main_div.find("div.page-news-l")
|
||||
if not article_div:
|
||||
logger.error(f"未找到新闻文章部分: {url}")
|
||||
return None
|
||||
|
||||
# 获取标题
|
||||
title_div = article_div.find("div.page-news-detail-title")
|
||||
if title_div:
|
||||
newsItem.title = title_div.text.strip()
|
||||
|
||||
# 获取新闻元信息
|
||||
channal_div = article_div.find("div.page-news-detail-note")
|
||||
if channal_div:
|
||||
channal_items_div = channal_div.find_all("div.item")
|
||||
for item in channal_items_div:
|
||||
# 新闻元信息
|
||||
try:
|
||||
channal_div = article_div.find_element(By.CSS_SELECTOR, "div.page-news-detail-note")
|
||||
channal_items = channal_div.find_elements(By.CSS_SELECTOR, "div.item")
|
||||
for item in channal_items:
|
||||
text = item.text.strip()
|
||||
if "来源" in text:
|
||||
parts = text.split(":", 1)
|
||||
if len(parts) > 1:
|
||||
newsItem.source = parts[1].strip()
|
||||
news_item.source = text.split("：", 1)[-1].strip()
|
||||
elif "发布时间" in text:
|
||||
parts = text.split(":", 1)
|
||||
if len(parts) > 1:
|
||||
newsItem.publishTime = parts[1].strip()
|
||||
news_item.publishTime = text.split("：", 1)[-1].strip()
|
||||
elif "浏览人数" in text:
|
||||
parts = text.split(":", 1)
|
||||
if len(parts) > 1:
|
||||
newsItem.viewCount = parts[1].strip()
|
||||
try:
|
||||
news_item.viewCount = int(text.split("：", 1)[-1].strip())
|
||||
except:
|
||||
pass
|
||||
except:
|
||||
pass
|
||||
|
||||
# 获取新闻内容
|
||||
content_div = article_div.find("div.page-news-detail-content")
|
||||
if content_div:
|
||||
# 遍历内容区域中的所有元素
|
||||
for child in content_div.children:
|
||||
if not isinstance(child, Tag):
|
||||
# 内容
|
||||
try:
|
||||
content_div = article_div.find_element(By.CSS_SELECTOR, "div.page-news-detail-content")
|
||||
children = content_div.find_elements(By.XPATH, "./*")
|
||||
for child in children:
|
||||
try:
|
||||
tag_name = child.tag_name.lower()
|
||||
if tag_name == "p":
|
||||
text = child.text.strip().replace("\xa0", "")
|
||||
if not text and len(child.find_elements(By.TAG_NAME, "img")) == 0:
|
||||
continue
|
||||
|
||||
# 图片
|
||||
try:
|
||||
img = child.find_element(By.TAG_NAME, "img")
|
||||
src = img.get_attribute("src")
|
||||
if src and not src.startswith("http"):
|
||||
src = self.config.base_url + src
|
||||
news_item.contentRows.append({"tag": "img", "content": f"<img src='{src}' />"})
|
||||
continue
|
||||
except:
|
||||
pass
|
||||
|
||||
# 视频
|
||||
try:
|
||||
video = child.find_element(By.TAG_NAME, "video")
|
||||
src = video.get_attribute("src")
|
||||
if src and not src.startswith("http"):
|
||||
src = self.config.base_url + src
|
||||
news_item.contentRows.append({"tag": "video", "content": f"<video src='{src}' />"})
|
||||
continue
|
||||
except:
|
||||
pass
|
||||
|
||||
# 普通段落
|
||||
news_item.contentRows.append({"tag": "p", "content": child.get_attribute("outerHTML")})
|
||||
elif tag_name in ["img", "video"]:
|
||||
news_item.contentRows.append({"tag": tag_name, "content": child.get_attribute("outerHTML")})
|
||||
except Exception as e:
|
||||
logger.warning(f"解析段落失败: {e}")
|
||||
continue
|
||||
except:
|
||||
logger.warning(f"新闻内容解析失败: {url}")
|
||||
|
||||
# 处理图片
|
||||
if child.name == "p" and child.find("img"):
|
||||
img_tag = child.find("img")
|
||||
if img_tag:
|
||||
src = str(img_tag.get("src"))
|
||||
img_tag["src"] = self._normalize_url(src)
|
||||
newsItem.contentRows.append({
|
||||
"tag": "img",
|
||||
"content": str(img_tag)
|
||||
})
|
||||
# 处理视频
|
||||
elif child.find("video"):
|
||||
video_tag = child.find("video")
|
||||
if video_tag:
|
||||
src = str(video_tag.get("src"))
|
||||
video_tag["src"] = self._normalize_url(src)
|
||||
newsItem.contentRows.append({
|
||||
"tag": "video",
|
||||
"content": str(video_tag)
|
||||
})
|
||||
# 处理普通段落
|
||||
elif child.name == "p" and child.get_text(strip=True):
|
||||
newsItem.contentRows.append({
|
||||
"tag": "p",
|
||||
"content": child.get_text(strip=True)
|
||||
})
|
||||
|
||||
return newsItem
|
||||
|
||||
def parse_xhsz_news_detail(self, url: str) -> Optional[NewsItem]:
|
||||
newsItem = NewsItem(title="", contentRows=[], url=url)
|
||||
response = self.fetch(url)
|
||||
newsDetailSoup = self.parse_html(response.content)
|
||||
|
||||
main_div = newsDetailSoup.find("div.page-news-detail")
|
||||
article_div = main_div.find("div.page-news-l")
|
||||
title_div = article_div.find("div.page-news-detail-title")
|
||||
channal_div = article_div.find("div.page-news-detail-note")
|
||||
content_div = article_div.find("div.page-news-detail-content")
|
||||
|
||||
# 获取新闻标题
|
||||
newsItem.title = title_div.text.strip()
|
||||
|
||||
# 获取新闻来源、发布时间、浏览人数
|
||||
channal_items_div = channal_div.find_all("div.item")
|
||||
if("来源" in channal_items_div[0].text):
|
||||
newsItem.source = channal_items_div[0].text.strip().split(":")[1]
|
||||
if("发布时间" in channal_items_div[1].text):
|
||||
newsItem.publishTime = channal_items_div[1].text.strip().split(":")[1]
|
||||
if("浏览人数" in channal_items_div[2].text):
|
||||
newsItem.viewCount = channal_items_div[2].text.strip().split(":")[1]
|
||||
|
||||
for child in content_div.children:
|
||||
if not isinstance(child, Tag):
|
||||
continue
|
||||
|
||||
img_tag = child.find("img")
|
||||
video_tag = child.find("video")
|
||||
tag = "p"
|
||||
content = str(child)
|
||||
if img_tag: # 是图片
|
||||
tag = "img"
|
||||
src = str(img_tag.get("src"))
|
||||
if src:
|
||||
img_tag["src"] = self._normalize_url(src)
|
||||
content = str(img_tag)
|
||||
elif video_tag: # 是视频
|
||||
tag = "video"
|
||||
src = str(video_tag.get("src"))
|
||||
if src:
|
||||
video_tag["src"] = self._normalize_url(src)
|
||||
content = str(video_tag)
|
||||
|
||||
newsItem.contentRows.append({"tag": tag, "content": content})
|
||||
|
||||
return newsItem
|
||||
return news_item
|
||||
|
||||
|
||||
|
||||
def parse_xh_news_detail(self, url: str) -> NewsItem:
|
||||
"""
|
||||
使用Selenium解析新华网新闻详情页
|
||||
异常局部捕获，保证返回 NewsItem 对象，即使部分内容解析失败
|
||||
"""
|
||||
news_item = NewsItem(title="", contentRows=[], url=url)
|
||||
|
||||
if not self.driver:
|
||||
logger.error("WebDriver未初始化，无法获取新闻详情")
|
||||
return news_item
|
||||
|
||||
try:
|
||||
self.driver.get(url)
|
||||
time.sleep(2)
|
||||
except Exception as e:
|
||||
logger.warning(f"访问新闻详情页失败: {url}, {e}")
|
||||
return news_item
|
||||
|
||||
# 滑动验证处理
|
||||
try:
|
||||
sliders = self.driver.find_elements(By.CSS_SELECTOR, ".handler.handler_bg")
|
||||
if sliders:
|
||||
slider = sliders[0]
|
||||
action_chain = ActionChains(self.driver)
|
||||
action_chain.click_and_hold(slider).perform()
|
||||
distance = 1000
|
||||
tracks = [distance*0.2, distance*0.3, distance*0.25, distance*0.25]
|
||||
for track in tracks:
|
||||
action_chain.move_by_offset(int(track), 0).pause(1)
|
||||
action_chain.perform()
|
||||
action_chain.release().perform()
|
||||
time.sleep(2)
|
||||
except Exception as e:
|
||||
logger.info(f"滑块验证处理失败或未出现: {e}")
|
||||
|
||||
# head
|
||||
head_div = self.driver.find_element(By.CSS_SELECTOR, "div.header.domPC")
|
||||
time_div = head_div.find_element(By.CSS_SELECTOR, "div.header-time.left")
|
||||
datetimes = time_div.find_element(By.CSS_SELECTOR, "span.year").text+"/"+time_div.find_element(By.CSS_SELECTOR, "span.day").text+" "+time_div.find_element(By.CSS_SELECTOR, "span.time").text
|
||||
news_item.publishTime = str(datetime.strptime(datetimes, "%Y/%m/%d %H:%M:%S"))
|
||||
source = head_div.find_element(By.CSS_SELECTOR, "div.source").text.split("：")[1]
|
||||
news_item.source = source
|
||||
|
||||
title = head_div.find_element(By.CSS_SELECTOR, "h1").text
|
||||
news_item.title = title
|
||||
|
||||
# 内容
|
||||
try:
|
||||
article_div = self.driver.find_element(By.CSS_SELECTOR, "div.main.clearfix")
|
||||
content_div = article_div.find_element(By.CSS_SELECTOR, "div#detail span#detailContent")
|
||||
children = content_div.find_elements(By.XPATH, "./*")
|
||||
for child in children:
|
||||
try:
|
||||
tag_name = child.tag_name.lower()
|
||||
if tag_name == "p":
|
||||
text = child.text.strip().replace("\xa0", "")
|
||||
if not text and len(child.find_elements(By.TAG_NAME, "img")) == 0:
|
||||
continue
|
||||
|
||||
# 图片
|
||||
try:
|
||||
img = child.find_element(By.TAG_NAME, "img")
|
||||
src = img.get_attribute("src")
|
||||
if src and not src.startswith("http"):
|
||||
src = self.config.base_url + src
|
||||
news_item.contentRows.append({"tag": "img", "content": f"<img src='{src}' />"})
|
||||
continue
|
||||
except:
|
||||
pass
|
||||
|
||||
# 视频
|
||||
try:
|
||||
video = child.find_element(By.TAG_NAME, "video")
|
||||
src = video.get_attribute("src")
|
||||
if src and not src.startswith("http"):
|
||||
src = self.config.base_url + src
|
||||
news_item.contentRows.append({"tag": "video", "content": f"<video src='{src}' />"})
|
||||
continue
|
||||
except:
|
||||
pass
|
||||
|
||||
# 普通段落
|
||||
news_item.contentRows.append({"tag": "p", "content": child.get_attribute("outerHTML")})
|
||||
elif tag_name in ["img", "video"]:
|
||||
news_item.contentRows.append({"tag": tag_name, "content": child.get_attribute("outerHTML")})
|
||||
except Exception as e:
|
||||
logger.warning(f"解析段落失败: {e}")
|
||||
continue
|
||||
except:
|
||||
logger.warning(f"新闻内容解析失败: {url}")
|
||||
|
||||
return news_item
|
||||
|
||||
def _normalize_url(self, url: str) -> str:
|
||||
"""
|
||||
规范化 URL，补全协议和域名
|
||||
@@ -453,3 +380,121 @@ class XhwCrawler(BaseCrawler):
|
||||
|
||||
# 相对路径，补全域名
|
||||
return self.config.base_url + url
|
||||
|
||||
def search(self, key:str, total=10, action="news") -> ResultDomain:
|
||||
# 检查driver是否已初始化
|
||||
if not self.driver:
|
||||
logger.error("WebDriver未初始化，无法继续爬取")
|
||||
return ResultDomain(code=1, message="WebDriver未初始化，无法继续爬取", success=False)
|
||||
|
||||
news_urls = []
|
||||
news_list = []
|
||||
resultDomain = ResultDomain(code=0, message="", success=True, dataList=news_list)
|
||||
|
||||
# 获取搜索配置
|
||||
search_config = self.config.urls.get("search")
|
||||
if not search_config:
|
||||
logger.error("未找到搜索URL配置")
|
||||
resultDomain.code = 0
|
||||
resultDomain.message = "未找到搜索URL配置"
|
||||
resultDomain.success = False
|
||||
return resultDomain
|
||||
|
||||
pagesize = 10
|
||||
search_data = search_config.params.copy()
|
||||
search_data["k"] = key
|
||||
search_data["action"] = action
|
||||
|
||||
try:
|
||||
# 获取新闻url
|
||||
url_base_map = {}
|
||||
total_pages = (total + pagesize - 1) // pagesize
|
||||
for page in range(1, total_pages + 1):
|
||||
search_data["page"] = page
|
||||
pageHtml = search_config.url + "?" + urlencode(search_data)
|
||||
logger.info(f"请求URL: {pageHtml}")
|
||||
|
||||
# 使用Selenium访问页面
|
||||
try:
|
||||
self.driver.get(pageHtml)
|
||||
time.sleep(2)
|
||||
except Exception as e:
|
||||
logger.warning(f"访问搜索页失败: {pageHtml}, {e}")
|
||||
continue
|
||||
|
||||
# 滑动验证处理
|
||||
try:
|
||||
sliders = self.driver.find_elements(By.CSS_SELECTOR, ".handler.handler_bg")
|
||||
if sliders:
|
||||
slider = sliders[0]
|
||||
action_chain = ActionChains(self.driver)
|
||||
action_chain.click_and_hold(slider).perform()
|
||||
distance = 1000
|
||||
tracks = [distance*0.2, distance*0.3, distance*0.25, distance*0.25]
|
||||
for track in tracks:
|
||||
action_chain.move_by_offset(int(track), 0).pause(1)
|
||||
action_chain.release().perform()
|
||||
time.sleep(5)
|
||||
except Exception as e:
|
||||
logger.info(f"滑动验证处理失败或未出现: {e}")
|
||||
|
||||
# 提取新闻列表
|
||||
try:
|
||||
search_main = self.driver.find_element(By.CSS_SELECTOR, "div.page-search-main")
|
||||
search_group = search_main.find_element(By.CSS_SELECTOR, "div.page-search-group")
|
||||
news_div = search_group.find_element(By.CSS_SELECTOR, "div.page-search-news")
|
||||
news_items = news_div.find_elements(By.CSS_SELECTOR, "div.group")
|
||||
for news in news_items:
|
||||
try:
|
||||
head = news.find_element(By.CSS_SELECTOR, "div.head")
|
||||
title_div = head.find_element(By.CSS_SELECTOR, "div.title")
|
||||
date_div = head.find_element(By.CSS_SELECTOR, "div.date")
|
||||
a_tag = title_div.find_element(By.TAG_NAME, "a")
|
||||
news_url = a_tag.get_attribute("href")
|
||||
news_title = a_tag.text.strip()
|
||||
news_date = date_div.text.strip()
|
||||
url_base_map[news_url] = {"title": news_title, "date": news_date}
|
||||
news_urls.append(news_url)
|
||||
except Exception as e:
|
||||
logger.warning(f"提取单条新闻URL失败: {e}")
|
||||
except Exception as e:
|
||||
logger.warning(f"提取新闻列表失败: {e}")
|
||||
continue
|
||||
|
||||
# 从新闻url中获取新闻详情
|
||||
count = 0
|
||||
for news_url in news_urls:
|
||||
try:
|
||||
news = self.parse_news_detail(news_url)
|
||||
if news:
|
||||
news.title = url_base_map.get(news_url, {}).get("title") or news.title
|
||||
news.publishTime = url_base_map.get(news_url, {}).get("date") or news.publishTime
|
||||
news_list.append(news)
|
||||
count += 1
|
||||
if count >= total:
|
||||
break
|
||||
except Exception as e:
|
||||
logger.warning(f"解析新闻失败: {news_url}, {e}")
|
||||
continue
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"搜索过程整体异常: {e}")
|
||||
resultDomain.success = False
|
||||
resultDomain.code = 0
|
||||
resultDomain.message = "爬取失败"
|
||||
|
||||
# 最终保证返回 dataList
|
||||
resultDomain.dataList = news_list
|
||||
resultDomain.success = bool(news_list)
|
||||
return resultDomain
|
||||
|
||||
|
||||
|
||||
def close(self):
|
||||
if hasattr(self, 'driver') and self.driver:
|
||||
try:
|
||||
self.driver.quit()
|
||||
logger.info("浏览器已关闭")
|
||||
except Exception as e:
|
||||
logger.warning(f"关闭浏览器失败: {str(e)}")
|
||||
self.driver = None
|
||||
|
||||
Reference in New Issue
Block a user