fix weiyangx tag list

rsshub/spiders/weiyangx/tag.py

@@ -1,21 +1,27 @@
 from rsshub.utils import DEFAULT_HEADERS
-from rsshub.utils import fetch
+import requests
+import json
+from parsel import Selector
 
 domain = 'https://www.weiyangx.com'
 
 
 def parse(post):
     item = {}
-    item['title'] = post.css('h2::text').extract_first()
-    item['description'] = post.css('p::text').extract_first()
-    item['link'] = post.css('a::attr(href)').extract_first()
+    item['title'] = post['post_title']
+    item['description'] = post['post_content']
+    post_id = post['post_id']
+    item['link'] = f'{domain}/{post_id}.html'
     return item
 
 
 def ctx(category=''):
     url = f'https://www.weiyangx.com/tag/{category}'
-    tree = fetch(url, headers=DEFAULT_HEADERS)
-    posts = tree.css('.category-post-node')
+    res = requests.get(url, headers=DEFAULT_HEADERS)
+    res = Selector(res.text)    
+    posts = res.css('script::text')[-4].extract().split('=')[-1] 
+    posts = json.loads(posts)   
+    # posts = tree.css('script::text')[-5].extract().split('=')[-1]
     items = list(map(parse, posts))
     return {
         'title': f'{category} - 文章 - 未央网',