add benzinga ratings

rsshub/spiders/benzinga/ratings.py

@@ -0,0 +1,27 @@
+from rsshub.utils import DEFAULT_HEADERS
+from rsshub.utils import fetch
+
+domain = 'https://www.benzinga.com/'
+
+def ctx(category=''):
+
+    stock = category
+    
+    def parse(post):
+        item = {}
+        item['description'] = item['title'] = stock.upper() + '的评级：' +  ', '.join(post.css('td::text').extract())
+        return item
+    
+    url = f'{domain}/stock/{category}/ratings'
+    tree = fetch(url, headers=DEFAULT_HEADERS)
+    posts = tree.css('tr')
+    items = list(map(parse, posts))
+
+    column_title = tree.css('title::text').extract_first()
+    return {
+        'title': f'{column_title} - benzinga',
+        'description': f'{column_title} - benzinga',
+        'link': url,
+        'author': f'hillerliao',
+        'items': items
+    }