feat: 添加性能优化和架构文档，更新依赖和核心模块

refactor(browser_manager): 实现页面池机制以提升性能
refactor(image_manager): 添加模板缓存并集成页面池
refactor(bili_parser): 迁移到异步HTTP请求并实现会话复用
docs: 新增性能优化、架构设计和最佳实践文档
chore: 更新requirements.txt添加新依赖

plugins/bili_parser.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 import re
 import json
-import requests
+import aiohttp
 from bs4 import BeautifulSoup
 from typing import Optional, Dict, Any, Union
 from cachetools import TTLCache
@@ -23,6 +23,15 @@ HEADERS = {
     'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36'
 }
 
+# 全局共享的 ClientSession
+_session: Optional[aiohttp.ClientSession] = None
+
+async def get_session() -> aiohttp.ClientSession:
+    global _session
+    if _session is None or _session.closed:
+        _session = aiohttp.ClientSession()
+    return _session
+
 
 def format_count(num: int) -> str:
     if not isinstance(num, int):
@@ -40,20 +49,23 @@ def format_duration(seconds: int) -> str:
     return f"{minutes:02d}:{seconds:02d}"
 
 
-def get_real_url(short_url: str) -> Optional[str]:
+async def get_real_url(short_url: str) -> Optional[str]:
     try:
-        response = requests.head(short_url, headers=HEADERS, allow_redirects=False, timeout=5)
-        if response.status_code == 302:
-            return response.headers.get('Location')
-    except requests.RequestException as e:
-        print(f"获取真实URL失败: {e}")
+        session = await get_session()
+        async with session.head(short_url, headers=HEADERS, allow_redirects=False, timeout=5) as response:
+            if response.status == 302:
+                return response.headers.get('Location')
+    except Exception as e:
+        logger.error(f"获取真实URL失败: {e}")
     return None
 
-def parse_video_info(video_url: str) -> Optional[Dict[str, Any]]:
+async def parse_video_info(video_url: str) -> Optional[Dict[str, Any]]:
     try:
-        response = requests.get(video_url, headers=HEADERS, timeout=5)
-        response.raise_for_status()
-        soup = BeautifulSoup(response.text, 'html.parser')
+        session = await get_session()
+        async with session.get(video_url, headers=HEADERS, timeout=5) as response:
+            response.raise_for_status()
+            text = await response.text()
+            soup = BeautifulSoup(text, 'html.parser')
 
         script_tag = soup.find('script', text=re.compile('window.__INITIAL_STATE__'))
         if not script_tag or not script_tag.string:
@@ -98,12 +110,12 @@ def parse_video_info(video_url: str) -> Optional[Dict[str, Any]]:
             "followers": up_data.get('fans', 0),
         }
 
-    except (requests.RequestException, KeyError, AttributeError, json.JSONDecodeError) as e:
-        print(f"解析视频信息失败: {e}")
+    except (aiohttp.ClientError, KeyError, AttributeError, json.JSONDecodeError) as e:
+        logger.error(f"解析视频信息失败: {e}")
     
     return None
 
-def get_direct_video_url(video_url: str) -> Optional[str]:
+async def get_direct_video_url(video_url: str) -> Optional[str]:
     """
     调用第三方API解析B站视频直链
     :param video_url: B站视频的完整URL
@@ -111,12 +123,13 @@ def get_direct_video_url(video_url: str) -> Optional[str]:
     """
     api_url = f"https://api.mir6.com/api/bzjiexi?url={video_url}&type=json"
     try:
-        response = requests.get(api_url, headers=HEADERS, timeout=10)
-        response.raise_for_status()
-        data = response.json()
-        if data.get("code") == 200 and data.get("data"):
-            return data["data"][0].get("video_url")
-    except (requests.RequestException, json.JSONDecodeError, KeyError, IndexError) as e:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(api_url, headers=HEADERS, timeout=10) as response:
+                response.raise_for_status()
+                data = await response.json()
+                if data.get("code") == 200 and data.get("data"):
+                    return data["data"][0].get("video_url")
+    except (aiohttp.ClientError, json.JSONDecodeError, KeyError, IndexError) as e:
         logger.error(f"[bili_parser] 调用第三方API解析视频失败: {e}")
     return None
 
@@ -178,7 +191,7 @@ async def process_bili_link(event: MessageEvent, url: str):
     :param url: 待处理的B站链接
     """
     if "b23.tv" in url:
-        real_url = get_real_url(url)
+        real_url = await get_real_url(url)
         if not real_url:
             logger.error(f"[bili_parser] 无法从 {url} 获取真实URL。")
             await event.reply("无法解析B站短链接。")
@@ -186,7 +199,7 @@ async def process_bili_link(event: MessageEvent, url: str):
     else:
         real_url = url.split('?')[0]
 
-    video_info = parse_video_info(real_url)
+    video_info = await parse_video_info(real_url)
     if not video_info:
         logger.error(f"[bili_parser] 无法从 {real_url} 解析视频信息。")
         await event.reply("无法获取视频信息，可能是B站接口变动或视频不存在。")
@@ -197,7 +210,7 @@ async def process_bili_link(event: MessageEvent, url: str):
     if video_info['duration'] > 300:  # 5分钟 = 300秒
         video_message = "视频时长超过5分钟，不进行解析。"
     else:
-        direct_url = get_direct_video_url(real_url)
+        direct_url = await get_direct_video_url(real_url)
         if direct_url:
             video_message = MessageSegment.video(direct_url)
         else: