🐛 处理topic_info字段缺失的问题 (#354)

* 🐛 处理topic_info字段缺失的问题

* ✅ 补充测试

* ♻️ dict get 默认为 None

Co-authored-by: felinae98 <731499577@qq.com>

* ♻️ 原地tp？

Co-authored-by: felinae98 <731499577@qq.com>

---------

Co-authored-by: felinae98 <731499577@qq.com>

nonebot_bison/platform/bilibili.py

@@ -123,7 +123,11 @@ class Bilibili(NewMessage):
         return self._do_get_category(post_type)
 
     def get_tags(self, raw_post: RawPost) -> list[Tag]:
-        return [*(tp["topic_name"] for tp in raw_post["display"]["topic_info"]["topic_details"])]
+        # FIXME: 更深的原因可能是返回格式的变动，需要进一步确认
+        if topic_info := raw_post["display"].get("topic_info"):
+            return [tp["topic_name"] for tp in topic_info["topic_details"]]
+
+        return []
 
     def _text_process(self, dynamic: str, desc: str, title: str) -> str:
         similarity = 1.0 if len(dynamic) == 0 or len(desc) == 0 else text_similarity(dynamic, desc)

tests/platforms/test_bilibili.py

@@ -40,6 +40,36 @@ def without_dynamic(app: App):
     }
 
 
+@pytest.mark.asyncio
+async def test_get_tag_without_topic_info(bilibili, bing_dy_list):
+    simple_raw_post = {
+        "display": {
+            "topic_info": {
+                "topic_details": [
+                    {
+                        "topic_name": "可露希尔的秘密档案",
+                    },
+                    {
+                        "topic_name": "罗德岛相簿",
+                    },
+                ],
+            },
+        },
+    }
+
+    simple_raw_post_without_topic_info = {
+        "display": {
+            "damedane": "dameyo",
+        },
+    }
+
+    res1 = bilibili.get_tags(simple_raw_post)
+    assert res1 == ["可露希尔的秘密档案", "罗德岛相簿"]
+
+    res2 = bilibili.get_tags(simple_raw_post_without_topic_info)
+    assert res2 == []
+
+
 @pytest.mark.asyncio
 async def test_video_forward(bilibili, bing_dy_list):
     post = await bilibili.parse(bing_dy_list[1])