add chaindd column

rsshub/blueprints/main.py

@@ -109,4 +109,9 @@ def xuangubao_xuangubao(type='', category=''):
 @bp.route('/cls/subject/<string:category>')
 def cls_subject(category=''):
     from rsshub.spiders.cls.subject import ctx
+    return render_template('main/atom.xml', **filter_content(ctx(category)))      
+
+@bp.route('/chaindd/column/<string:category>')
+def chaindd_column(category=''):
+    from rsshub.spiders.chaindd.column import ctx
     return render_template('main/atom.xml', **filter_content(ctx(category)))      

rsshub/spiders/chaindd/column.py

@@ -0,0 +1,24 @@
+from rsshub.utils import fetch
+
+domain = 'https://www.chaindd.com'
+
+
+def parse(post):
+    item = {}
+    item['title'] = post.css('a::text').extract_first()
+    item['description'] = post.css('p::text').extract_first()
+    item['link'] = f"{domain}{post.css('a::attr(href)').extract_first()}"
+    item['author'] = post.css('a.name::text').extract_first()
+    return item
+
+
+def ctx(category=''):
+    tree = fetch(f"{domain}/column/{category}")
+    posts = tree.css('li .cont')
+    return {
+        'title': f'链得得栏目{category}最新文章',
+        'link': f'{domain}/column/{category}',
+        'description': f'链得得栏目{category}最新文章',
+        'author': 'hillerliao',
+        'items': list(map(parse, posts)) 
+    }

rsshub/templates/main/feeds.html

@@ -176,4 +176,17 @@
 </div>
 <br>
 <!--item info end-->
+
+<!--item info start-->
+<div class="card text-left">
+  <div class="card-body">
+    <h4 class="card-title">链得得栏目动态</h4>
+    <h6 class="text-muted">链得得栏目动态 <a href="https://github.com/hillerliao" target="_blank" class="badge badge-secondary">by hillerliao</a></h6>
+    <p class="card-text">举例：<a href="https://rsshub-python.herokuapp.com/chaindd/column/3158465" target="_blank">https://rsshub-python.herokuapp.com/chaindd/column/3158465</a></p>
+    <p class="card-text">路由：<code>/chaindd/column/:category</code></p>
+    <p class="card-text">参数：category [必填，见链得得栏目url中的数字编号]</p>
+  </div>
+</div>
+<br>
+<!--item info end-->
 {% endblock content %}