122 lines
5.3 KiB
Plaintext
122 lines
5.3 KiB
Plaintext
# agent_chat.dspy - 通用会话 Agent（pipeline-core，产线无关）
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# 使用 AgentExecutor v2（gateway 统一入口），是 Web 端复刻 Hermes CLI 的通用交互能力
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# 各产线/模块可在其上叠加专属能力，本 dspy 不依赖任何产线专属表
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import json
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import os
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import re
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import zipfile
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from ahserver.filestorage import FileStorage
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def _extract_text(path, name):
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"""提取文件文本内容（docx/txt/md等），返回文本或空字符串。二进制/无法解析返回空。"""
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ext = os.path.splitext(name)[1].lower()
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try:
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if ext in ('.txt', '.md', '.json', '.csv', '.py', '.log', '.yaml', '.yml', '.xml', '.html', '.ini'):
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with open(path, 'r', encoding='utf-8', errors='ignore') as f:
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return f.read()[:15000]
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if ext == '.docx':
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with zipfile.ZipFile(path) as z:
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xml = z.read('word/document.xml').decode('utf-8', errors='ignore')
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texts = re.findall(r'<w:t[^>]*>(.*?)</w:t>', xml)
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return '\n'.join(texts)[:15000]
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except Exception:
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pass
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return ''
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action = (params_kw or {}).get('action', 'send_message')
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msg = ''
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if action != 'send_message':
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p = params_kw or {}
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msg = (p.get('message_text') or '').strip()
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if not msg:
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inner = p.get('params', {})
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if isinstance(inner, dict):
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msg = (inner.get('prompt') or inner.get('message_text') or '').strip()
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if msg:
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action = 'send_message'
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dbname = get_module_dbname('pipeline_core')
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if action == 'send_message':
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# 从 params 中提取 prompt
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prompt = (params_kw or {}).get('prompt', '') or msg
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prompt = prompt.strip()
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# 处理用户上传的文件（multipart file 字段 → web_path），提取文本作为中性上下文注入 prompt
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file_ctx = ''
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_fval = (params_kw or {}).get('file')
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_fpaths = _fval if isinstance(_fval, list) else ([_fval] if _fval else [])
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for _fp in _fpaths:
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try:
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_abs = FileStorage().realPath(_fp)
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_name = os.path.basename(_abs)
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_txt = _extract_text(_abs, _name)
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if _txt:
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file_ctx += f"【文件 {_name} 内容】\n{_txt}\n\n"
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else:
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file_ctx += f"【文件 {_name}】二进制文件，无法直接读取文本。\n\n"
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except Exception:
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pass
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if file_ctx:
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prompt = "用户本次上传了以下文件：\n\n" + file_ctx + "\n用户指令：" + prompt
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# ── 意图识别：停止类指令 ──
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stop_keywords = ['停止', '取消', '停下', '终止', '停', 'stop', 'cancel', 'abort']
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if any(kw == prompt.strip().lower() or kw in prompt.strip().lower() for kw in stop_keywords):
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async def _stop_stream():
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yield json.dumps({"content": "已停止当前任务。"}, ensure_ascii=False) + '\n'
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return await stream_response(request, _stop_stream, 'text/plain; charset=utf-8')
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uid = await get_user()
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if not uid:
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uid = 'user-01' # 测试兼容
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# ── 走 gateway 统一入口（Web AgentIO 通道）──
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from pipeline_service.gateway import get_gateway
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gateway = get_gateway()
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async def agent_stream():
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async for chunk in gateway.run_message("web", uid, prompt):
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data = json.loads(chunk)
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t = data.get('type', '')
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if t == 'progress':
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yield json.dumps({"reasoning_content": data.get('message', '') + "\n"}, ensure_ascii=False) + '\n'
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elif t == 'auto_tool':
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yield json.dumps({"reasoning_content": "🔄 " + data.get('message', '') + "\n"}, ensure_ascii=False) + '\n'
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elif t == 'debug':
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continue # skip debug in UI
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elif t == 'tool_call':
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tool = data.get('tool', '')
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params = json.dumps(data.get('params', {}), ensure_ascii=False)
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yield json.dumps({"content": "**🔧 调用: " + tool + "**\n```\n" + params + "\n```\n\n"}, ensure_ascii=False) + '\n'
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elif t == 'tool_result':
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result = data.get('result', '')
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yield json.dumps({"content": result + "\n\n"}, ensure_ascii=False) + '\n'
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elif t == 'reply':
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yield json.dumps({"content": data.get('message', '')}, ensure_ascii=False) + '\n'
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elif t == 'ask_user':
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yield json.dumps({"content": "❓ " + data.get('message', '')}, ensure_ascii=False) + '\n'
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elif t == 'error':
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yield json.dumps({"error": data.get('message', '')}, ensure_ascii=False) + '\n'
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else:
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yield json.dumps({"content": chunk}, ensure_ascii=False) + '\n'
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return await stream_response(request, agent_stream, 'text/plain; charset=utf-8')
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elif action == 'list_messages':
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uid = await get_user()
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if not uid:
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return json.dumps({"error": "请先登录"}, ensure_ascii=False)
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async with DBPools().sqlorContext(dbname) as sor:
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ms = await sor.sqlExe(
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"SELECT role,content,created_at FROM pipeline_conversations ORDER BY created_at ASC LIMIT 100", {})
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result = [{"role": getattr(m, 'role', ''), "content": getattr(m, 'content', '')} for m in (ms or [])]
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return json.dumps({"success": True, "messages": result}, ensure_ascii=False, default=str)
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else:
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return json.dumps({"error": "Unknown: " + str(action)}, ensure_ascii=False)
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