add xinhuanet (news.cn)

Signed-off-by: icedragon <flyingicedragon@qq.com>

rsshub/spiders/xinhuanet/utils.py

@@ -0,0 +1,14 @@
+from rsshub.utils import DEFAULT_HEADERS, fetch
+
+
+def parse_html(post):
+    item = {}
+    item['title'] = post.xpath('text()').extract_first()
+    item['link'] = post.xpath('@href').extract_first()
+    print(item['link'])
+    item['description'] = (
+        fetch(item['link'], headers=DEFAULT_HEADERS)
+        .xpath('//div[@id=\'detail\']')
+        .get()
+    )
+    return item