chore: initial commit

claude_agent_wrapper.py

@@ -0,0 +1,129 @@
+#!/usr/bin/env python3
+"""
+Claude Agent SDK 包装器 V3
+修复事件循环冲突问题 - 在async环境中直接await
+"""
+
+import os
+import asyncio
+import re
+from claude_agent_sdk import ClaudeSDKClient
+import logging
+
+logger = logging.getLogger(__name__)
+
+class ClaudeAgentWrapper:
+    """Claude Agent SDK 的包装器 - 支持async环境"""
+    
+    def __init__(self):
+        self._env_set = False
+        
+    def _ensure_env(self):
+        """确保环境变量已设置"""
+        if not self._env_set:
+            if not os.environ.get('ANTHROPIC_AUTH_TOKEN'):
+                raise Exception("ANTHROPIC_AUTH_TOKEN not set")
+            if not os.environ.get('ANTHROPIC_BASE_URL'):
+                logger.warning("ANTHROPIC_BASE_URL not set, using default")
+            self._env_set = True
+    
+    async def _async_chat(self, messages: list) -> str:
+        """异步聊天（每次创建新连接）"""
+        self._ensure_env()
+        
+        client = None
+        try:
+            # 创建新客户端
+            client = ClaudeSDKClient()
+            await client.connect()
+            
+            # 构建提示词
+            prompt_parts = []
+            for msg in messages:
+                role = msg.get('role', 'user')
+                content = msg.get('content', '')
+                if role == 'user':
+                    prompt_parts.append(f"User: {content}")
+                else:
+                    prompt_parts.append(f"Assistant: {content}")
+            
+            full_prompt = "\n\n".join(prompt_parts)
+            
+            # 发送查询
+            await client.query(full_prompt)
+            
+            # 接收响应
+            response_text = ''
+            async for chunk in client.receive_response():
+                chunk_str = str(chunk)
+                if 'AssistantMessage' in chunk_str:
+                    # 提取文本内容
+                    match = re.search(r"text='([^']*)'", chunk_str)
+                    if match:
+                        response_text += match.group(1)
+                    if not match:
+                        match = re.search(r'text="([^"]*)"', chunk_str)
+                        if match:
+                            response_text += match.group(1)
+            
+            return response_text.strip()
+            
+        except Exception as e:
+            logger.error(f"Chat error: {e}")
+            raise
+        finally:
+            # 不主动断开，让客户端自然关闭
+            if client:
+                try:
+                    await client.disconnect()
+                except:
+                    pass  # 忽略断开连接时的错误
+    
+    async def chat_async(self, messages: list, model: str = "claude-sonnet-4-20250514",
+                         max_tokens: int = 512, temperature: float = 0.7) -> str:
+        """异步聊天接口（在async环境中使用）"""
+        return await self._async_chat(messages)
+    
+    def chat(self, messages: list, model: str = "claude-sonnet-4-20250514",
+             max_tokens: int = 512, temperature: float = 0.7) -> str:
+        """同步聊天接口（兼容原 Anthropic SDK 格式）"""
+        try:
+            # 尝试获取当前事件循环
+            try:
+                loop = asyncio.get_running_loop()
+                # 如果已经在事件循环中，不能使用 run_until_complete
+                # 需要使用 asyncio.create_task 或直接 await
+                logger.error("Cannot use sync chat() in async context, use chat_async() instead")
+                raise RuntimeError("Use chat_async() in async context")
+            except RuntimeError:
+                # 没有运行中的事件循环，创建新的
+                loop = asyncio.new_event_loop()
+                asyncio.set_event_loop(loop)
+                try:
+                    response_text = loop.run_until_complete(self._async_chat(messages))
+                    return response_text
+                finally:
+                    loop.close()
+        except Exception as e:
+            logger.error(f"Chat failed: {e}")
+            raise
+
+# 创建全局客户端实例
+claude_agent_client = None
+
+def init_claude_agent():
+    """初始化 Claude Agent SDK 客户端"""
+    global claude_agent_client
+    
+    # 确保环境变量已设置
+    if not os.environ.get('ANTHROPIC_AUTH_TOKEN'):
+        logger.error("ANTHROPIC_AUTH_TOKEN not set")
+        return None
+    
+    try:
+        claude_agent_client = ClaudeAgentWrapper()
+        logger.info("✅ Claude Agent SDK wrapper initialized")
+        return claude_agent_client
+    except Exception as e:
+        logger.error(f"❌ Init failed: {e}")
+        return None