707 lines
27 KiB
Python
707 lines
27 KiB
Python
import audioop
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import hashlib
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import io
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import os
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import wave
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from pathlib import Path
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import httpx
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from fastapi import APIRouter, Depends, HTTPException
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from fastapi.responses import FileResponse
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from sqlalchemy.orm import Session
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from typing import Any, Dict, List, Optional
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import uuid
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from datetime import datetime
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from ..db import get_db
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from ..models import Assistant, AssistantOpenerAudio, LLMModel, ASRModel, Voice, ToolResource
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from ..schemas import (
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AssistantCreate,
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AssistantUpdate,
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AssistantOut,
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AssistantEngineConfigResponse,
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AssistantOpenerAudioGenerateRequest,
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AssistantOpenerAudioOut,
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)
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from .tools import TOOL_REGISTRY, TOOL_CATEGORY_MAP, TOOL_PARAMETER_DEFAULTS, _ensure_tool_resource_schema
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router = APIRouter(prefix="/assistants", tags=["Assistants"])
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OPENAI_COMPATIBLE_DEFAULT_MODEL = "FunAudioLLM/CosyVoice2-0.5B"
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OPENAI_COMPATIBLE_DEFAULT_BASE_URL = "https://api.siliconflow.cn/v1"
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OPENER_AUDIO_DIR = Path(__file__).resolve().parents[2] / "data" / "opener_audio"
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OPENAI_COMPATIBLE_KNOWN_VOICES = {
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"alex",
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"anna",
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"bella",
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"benjamin",
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"charles",
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"claire",
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"david",
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"diana",
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}
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def _is_openai_compatible_vendor(vendor: Optional[str]) -> bool:
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return (vendor or "").strip().lower() in {
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"siliconflow",
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"硅基流动",
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"openai compatible",
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"openai-compatible",
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}
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def _is_dashscope_vendor(vendor: Optional[str]) -> bool:
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return (vendor or "").strip().lower() in {
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"dashscope",
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}
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def _normalize_openai_compatible_voice_key(voice_value: str, model: str) -> str:
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raw = (voice_value or "").strip()
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model_name = (model or "").strip() or OPENAI_COMPATIBLE_DEFAULT_MODEL
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if not raw:
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return f"{model_name}:anna"
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if ":" in raw:
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voice_model, voice_id = raw.split(":", 1)
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voice_model = voice_model.strip() or model_name
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voice_id = voice_id.strip()
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if voice_id.lower() in OPENAI_COMPATIBLE_KNOWN_VOICES:
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voice_id = voice_id.lower()
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return f"{voice_model}:{voice_id}"
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voice_id = raw.lower() if raw.lower() in OPENAI_COMPATIBLE_KNOWN_VOICES else raw
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return f"{model_name}:{voice_id}"
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def _config_version_id(assistant: Assistant) -> str:
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updated = assistant.updated_at or assistant.created_at or datetime.utcnow()
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return f"asst_{assistant.id}_{updated.strftime('%Y%m%d%H%M%S')}"
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def _normalize_runtime_tool_schema(tool_id: str, raw_schema: Any) -> Dict[str, Any]:
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schema = dict(raw_schema) if isinstance(raw_schema, dict) else {}
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if not schema:
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fallback = TOOL_REGISTRY.get(tool_id, {}).get("parameters")
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if isinstance(fallback, dict):
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schema = dict(fallback)
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schema.setdefault("type", "object")
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if not isinstance(schema.get("properties"), dict):
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schema["properties"] = {}
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required = schema.get("required")
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if required is None or not isinstance(required, list):
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schema["required"] = []
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return schema
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def _compose_runtime_system_prompt(base_prompt: Optional[str]) -> str:
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raw = str(base_prompt or "").strip()
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tool_policy = (
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"Tool usage policy:\n"
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"- Tool function names/IDs are internal and must never be shown to users.\n"
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"- When users ask which tools are available, describe capabilities in natural language.\n"
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"- Do not expose raw tool call payloads, IDs, or executor details."
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)
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return f"{raw}\n\n{tool_policy}" if raw else tool_policy
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def _resolve_runtime_tools(db: Session, selected_tool_ids: List[str], warnings: List[str]) -> List[Dict[str, Any]]:
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_ensure_tool_resource_schema(db)
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ids = [str(tool_id).strip() for tool_id in selected_tool_ids if str(tool_id).strip()]
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if not ids:
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return []
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resources = (
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db.query(ToolResource)
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.filter(ToolResource.id.in_(ids))
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.all()
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)
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by_id = {str(item.id): item for item in resources}
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runtime_tools: List[Dict[str, Any]] = []
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for tool_id in ids:
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resource = by_id.get(tool_id)
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if resource and resource.enabled is False:
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warnings.append(f"Tool is disabled and skipped in runtime config: {tool_id}")
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continue
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category = str(resource.category if resource else TOOL_CATEGORY_MAP.get(tool_id, "query"))
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display_name = (
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str(resource.name or tool_id).strip()
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if resource
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else str(TOOL_REGISTRY.get(tool_id, {}).get("name") or tool_id).strip()
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)
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description = (
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str(resource.description or resource.name or "").strip()
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if resource
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else str(TOOL_REGISTRY.get(tool_id, {}).get("description") or "").strip()
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)
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schema = _normalize_runtime_tool_schema(
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tool_id,
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resource.parameter_schema if resource else TOOL_REGISTRY.get(tool_id, {}).get("parameters"),
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)
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defaults_raw = resource.parameter_defaults if resource else TOOL_PARAMETER_DEFAULTS.get(tool_id)
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defaults = dict(defaults_raw) if isinstance(defaults_raw, dict) else {}
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if not resource and tool_id not in TOOL_REGISTRY:
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warnings.append(f"Tool resource not found: {tool_id}")
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runtime_tool: Dict[str, Any] = {
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"type": "function",
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"executor": "client" if category == "system" else "server",
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"function": {
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"name": tool_id,
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"description": (
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f"Display name: {display_name}. {description}".strip()
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if display_name
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else (description or tool_id)
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),
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"parameters": schema,
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},
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"displayName": display_name or tool_id,
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"toolId": tool_id,
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}
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if defaults:
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runtime_tool["defaultArgs"] = defaults
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runtime_tools.append(runtime_tool)
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return runtime_tools
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def _resolve_runtime_metadata(db: Session, assistant: Assistant) -> tuple[Dict[str, Any], List[str]]:
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warnings: List[str] = []
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metadata: Dict[str, Any] = {
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"systemPrompt": _compose_runtime_system_prompt(assistant.prompt),
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"firstTurnMode": assistant.first_turn_mode or "bot_first",
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"greeting": assistant.opener or "",
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"generatedOpenerEnabled": bool(assistant.generated_opener_enabled),
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"output": {"mode": "audio" if assistant.voice_output_enabled else "text"},
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"bargeIn": {
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"enabled": not bool(assistant.bot_cannot_be_interrupted),
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"minDurationMs": int(assistant.interruption_sensitivity or 500),
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},
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"services": {},
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"tools": _resolve_runtime_tools(db, assistant.tools or [], warnings),
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"history": {
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"assistantId": assistant.id,
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"userId": int(assistant.user_id or 1),
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"source": "debug",
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},
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}
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config_mode = str(assistant.config_mode or "platform").strip().lower()
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if config_mode in {"dify", "fastgpt"}:
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metadata["services"]["llm"] = {
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"provider": "openai",
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"model": "",
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"apiKey": assistant.api_key,
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"baseUrl": assistant.api_url,
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}
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if not (assistant.api_url or "").strip():
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warnings.append(f"External LLM API URL is empty for mode: {assistant.config_mode}")
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if not (assistant.api_key or "").strip():
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warnings.append(f"External LLM API key is empty for mode: {assistant.config_mode}")
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elif assistant.llm_model_id:
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llm = db.query(LLMModel).filter(LLMModel.id == assistant.llm_model_id).first()
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if llm:
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metadata["services"]["llm"] = {
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"provider": "openai",
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"model": llm.model_name or llm.name,
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"apiKey": llm.api_key,
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"baseUrl": llm.base_url,
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}
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else:
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warnings.append(f"LLM model not found: {assistant.llm_model_id}")
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if assistant.asr_model_id:
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asr = db.query(ASRModel).filter(ASRModel.id == assistant.asr_model_id).first()
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if asr:
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asr_provider = "openai_compatible" if _is_openai_compatible_vendor(asr.vendor) else "buffered"
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metadata["services"]["asr"] = {
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"provider": asr_provider,
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"model": asr.model_name or asr.name,
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"apiKey": asr.api_key if asr_provider == "openai_compatible" else None,
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"baseUrl": asr.base_url if asr_provider == "openai_compatible" else None,
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}
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else:
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warnings.append(f"ASR model not found: {assistant.asr_model_id}")
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if not assistant.voice_output_enabled:
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metadata["services"]["tts"] = {"enabled": False}
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elif assistant.voice:
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voice = db.query(Voice).filter(Voice.id == assistant.voice).first()
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if voice:
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if _is_dashscope_vendor(voice.vendor):
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tts_provider = "dashscope"
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elif _is_openai_compatible_vendor(voice.vendor):
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tts_provider = "openai_compatible"
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else:
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tts_provider = "edge"
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model = voice.model
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runtime_voice = voice.voice_key or voice.id
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if tts_provider == "openai_compatible":
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model = model or OPENAI_COMPATIBLE_DEFAULT_MODEL
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runtime_voice = _normalize_openai_compatible_voice_key(runtime_voice, model)
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metadata["services"]["tts"] = {
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"enabled": True,
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"provider": tts_provider,
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"model": model,
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"apiKey": voice.api_key if tts_provider in {"openai_compatible", "dashscope"} else None,
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"baseUrl": voice.base_url if tts_provider in {"openai_compatible", "dashscope"} else None,
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"voice": runtime_voice,
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"speed": assistant.speed or voice.speed,
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}
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else:
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# Keep assistant.voice as direct voice identifier fallback
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metadata["services"]["tts"] = {
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"enabled": True,
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"voice": assistant.voice,
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"speed": assistant.speed or 1.0,
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}
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warnings.append(f"Voice resource not found: {assistant.voice}")
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if assistant.knowledge_base_id:
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metadata["knowledgeBaseId"] = assistant.knowledge_base_id
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metadata["knowledge"] = {
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"enabled": True,
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"kbId": assistant.knowledge_base_id,
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"nResults": 5,
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}
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opener_audio = assistant.opener_audio
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opener_audio_ready = bool(opener_audio and opener_audio.file_path and Path(opener_audio.file_path).exists())
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metadata["openerAudio"] = {
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"enabled": bool(opener_audio.enabled) if opener_audio else False,
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"ready": opener_audio_ready,
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"encoding": opener_audio.encoding if opener_audio else "pcm_s16le",
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"sampleRateHz": int(opener_audio.sample_rate_hz) if opener_audio else 16000,
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"channels": int(opener_audio.channels) if opener_audio else 1,
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"durationMs": int(opener_audio.duration_ms) if opener_audio else 0,
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"textHash": opener_audio.text_hash if opener_audio else None,
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"ttsFingerprint": opener_audio.tts_fingerprint if opener_audio else None,
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"pcmUrl": f"/api/assistants/{assistant.id}/opener-audio/pcm" if opener_audio_ready else None,
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}
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return metadata, warnings
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def _build_engine_assistant_config(db: Session, assistant: Assistant) -> Dict[str, Any]:
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session_metadata, warnings = _resolve_runtime_metadata(db, assistant)
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config_version_id = _config_version_id(assistant)
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assistant_cfg = dict(session_metadata)
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assistant_cfg["assistantId"] = assistant.id
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assistant_cfg["configVersionId"] = config_version_id
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return {
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"assistantId": assistant.id,
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"configVersionId": config_version_id,
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"assistant": assistant_cfg,
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"sessionStartMetadata": session_metadata,
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"sources": {
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"llmModelId": assistant.llm_model_id,
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"asrModelId": assistant.asr_model_id,
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"voiceId": assistant.voice,
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"knowledgeBaseId": assistant.knowledge_base_id,
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},
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"warnings": warnings,
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}
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def assistant_to_dict(assistant: Assistant) -> dict:
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opener_audio = assistant.opener_audio
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opener_audio_ready = bool(opener_audio and opener_audio.file_path and Path(opener_audio.file_path).exists())
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return {
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"id": assistant.id,
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"name": assistant.name,
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"callCount": assistant.call_count,
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"firstTurnMode": assistant.first_turn_mode or "bot_first",
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"opener": assistant.opener or "",
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"generatedOpenerEnabled": bool(assistant.generated_opener_enabled),
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"openerAudioEnabled": bool(opener_audio.enabled) if opener_audio else False,
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"openerAudioReady": opener_audio_ready,
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"openerAudioDurationMs": int(opener_audio.duration_ms) if opener_audio else 0,
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"openerAudioUpdatedAt": opener_audio.updated_at if opener_audio else None,
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"prompt": assistant.prompt or "",
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"knowledgeBaseId": assistant.knowledge_base_id,
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"language": assistant.language,
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"voiceOutputEnabled": assistant.voice_output_enabled,
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"voice": assistant.voice,
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"speed": assistant.speed,
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"hotwords": assistant.hotwords or [],
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"tools": assistant.tools or [],
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"botCannotBeInterrupted": bool(assistant.bot_cannot_be_interrupted),
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"interruptionSensitivity": assistant.interruption_sensitivity,
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"configMode": assistant.config_mode,
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"apiUrl": assistant.api_url,
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"apiKey": assistant.api_key,
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"llmModelId": assistant.llm_model_id,
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"asrModelId": assistant.asr_model_id,
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"embeddingModelId": assistant.embedding_model_id,
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"rerankModelId": assistant.rerank_model_id,
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"created_at": assistant.created_at,
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"updated_at": assistant.updated_at,
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}
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def _apply_assistant_update(assistant: Assistant, update_data: dict) -> None:
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field_map = {
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"knowledgeBaseId": "knowledge_base_id",
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"firstTurnMode": "first_turn_mode",
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"interruptionSensitivity": "interruption_sensitivity",
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"botCannotBeInterrupted": "bot_cannot_be_interrupted",
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"configMode": "config_mode",
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"voiceOutputEnabled": "voice_output_enabled",
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"generatedOpenerEnabled": "generated_opener_enabled",
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"apiUrl": "api_url",
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"apiKey": "api_key",
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"llmModelId": "llm_model_id",
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"asrModelId": "asr_model_id",
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"embeddingModelId": "embedding_model_id",
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"rerankModelId": "rerank_model_id",
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}
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for field, value in update_data.items():
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setattr(assistant, field_map.get(field, field), value)
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def _ensure_assistant_opener_audio(db: Session, assistant: Assistant) -> AssistantOpenerAudio:
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record = assistant.opener_audio
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if record:
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return record
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record = AssistantOpenerAudio(assistant_id=assistant.id, enabled=False)
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db.add(record)
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db.flush()
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return record
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def _resolve_tts_runtime_for_assistant(db: Session, assistant: Assistant) -> tuple[Dict[str, Any], Optional[Voice]]:
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metadata, _ = _resolve_runtime_metadata(db, assistant)
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services = metadata.get("services") if isinstance(metadata.get("services"), dict) else {}
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tts = services.get("tts") if isinstance(services, dict) and isinstance(services.get("tts"), dict) else {}
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voice = db.query(Voice).filter(Voice.id == assistant.voice).first() if assistant.voice else None
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return tts, voice
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def _tts_fingerprint(tts_cfg: Dict[str, Any], opener_text: str) -> str:
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identity = {
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"provider": tts_cfg.get("provider"),
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"model": tts_cfg.get("model"),
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"voice": tts_cfg.get("voice"),
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"speed": tts_cfg.get("speed"),
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"text": opener_text,
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}
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return hashlib.sha256(str(identity).encode("utf-8")).hexdigest()
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def _synthesize_openai_compatible_wav(
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*,
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text: str,
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model: str,
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voice_key: str,
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speed: float,
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api_key: str,
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base_url: str,
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) -> bytes:
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payload = {
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"model": model or OPENAI_COMPATIBLE_DEFAULT_MODEL,
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"input": text,
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"voice": voice_key,
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"response_format": "wav",
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"speed": speed,
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}
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with httpx.Client(timeout=45.0) as client:
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response = client.post(
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f"{base_url.rstrip('/')}/audio/speech",
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headers={"Authorization": f"Bearer {api_key}", "Content-Type": "application/json"},
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json=payload,
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)
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if response.status_code != 200:
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detail = response.text
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try:
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detail_json = response.json()
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detail = detail_json.get("error", {}).get("message") or detail_json.get("detail") or detail
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except Exception:
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pass
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raise HTTPException(status_code=502, detail=f"TTS vendor error: {detail}")
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return response.content
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def _wav_to_pcm16_mono_16k(wav_bytes: bytes) -> tuple[bytes, int]:
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with wave.open(io.BytesIO(wav_bytes), "rb") as wav_file:
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channels = wav_file.getnchannels()
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sample_width = wav_file.getsampwidth()
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sample_rate = wav_file.getframerate()
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frames = wav_file.getnframes()
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raw = wav_file.readframes(frames)
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if sample_width != 2:
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raise HTTPException(status_code=400, detail=f"Unsupported WAV sample width: {sample_width * 8}bit")
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if channels > 1:
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raw = audioop.tomono(raw, sample_width, 0.5, 0.5)
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if sample_rate != 16000:
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raw, _ = audioop.ratecv(raw, sample_width, 1, sample_rate, 16000, None)
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duration_ms = int((len(raw) / (16000 * 2)) * 1000)
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return raw, duration_ms
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def _persist_opener_audio_pcm(assistant_id: str, pcm_bytes: bytes) -> str:
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OPENER_AUDIO_DIR.mkdir(parents=True, exist_ok=True)
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file_path = OPENER_AUDIO_DIR / f"{assistant_id}.pcm"
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with open(file_path, "wb") as f:
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f.write(pcm_bytes)
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return str(file_path)
|
|
|
|
|
|
def _opener_audio_out(record: Optional[AssistantOpenerAudio]) -> AssistantOpenerAudioOut:
|
|
if not record:
|
|
return AssistantOpenerAudioOut()
|
|
ready = bool(record.file_path and Path(record.file_path).exists())
|
|
return AssistantOpenerAudioOut(
|
|
enabled=bool(record.enabled),
|
|
ready=ready,
|
|
encoding=record.encoding,
|
|
sample_rate_hz=record.sample_rate_hz,
|
|
channels=record.channels,
|
|
duration_ms=record.duration_ms,
|
|
updated_at=record.updated_at,
|
|
text_hash=record.text_hash,
|
|
tts_fingerprint=record.tts_fingerprint,
|
|
)
|
|
|
|
|
|
# ============ Assistants ============
|
|
@router.get("")
|
|
def list_assistants(
|
|
page: int = 1,
|
|
limit: int = 50,
|
|
db: Session = Depends(get_db)
|
|
):
|
|
"""获取助手列表"""
|
|
query = db.query(Assistant)
|
|
total = query.count()
|
|
assistants = query.order_by(Assistant.created_at.desc()) \
|
|
.offset((page-1)*limit).limit(limit).all()
|
|
return {
|
|
"total": total,
|
|
"page": page,
|
|
"limit": limit,
|
|
"list": [assistant_to_dict(a) for a in assistants]
|
|
}
|
|
|
|
|
|
@router.get("/{id}", response_model=AssistantOut)
|
|
def get_assistant(id: str, db: Session = Depends(get_db)):
|
|
"""获取单个助手详情"""
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
return assistant_to_dict(assistant)
|
|
|
|
|
|
@router.get("/{id}/config", response_model=AssistantEngineConfigResponse)
|
|
def get_assistant_config(id: str, db: Session = Depends(get_db)):
|
|
"""Canonical engine config endpoint consumed by engine backend adapter."""
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
return _build_engine_assistant_config(db, assistant)
|
|
|
|
|
|
@router.get("/{id}/runtime-config", response_model=AssistantEngineConfigResponse)
|
|
def get_assistant_runtime_config(id: str, db: Session = Depends(get_db)):
|
|
"""Legacy alias for resolved engine runtime config."""
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
return _build_engine_assistant_config(db, assistant)
|
|
|
|
|
|
@router.post("", response_model=AssistantOut)
|
|
def create_assistant(data: AssistantCreate, db: Session = Depends(get_db)):
|
|
"""创建新助手"""
|
|
assistant = Assistant(
|
|
id=str(uuid.uuid4())[:8],
|
|
user_id=1, # 默认用户，后续添加认证
|
|
name=data.name,
|
|
first_turn_mode=data.firstTurnMode,
|
|
opener=data.opener,
|
|
generated_opener_enabled=data.generatedOpenerEnabled,
|
|
prompt=data.prompt,
|
|
knowledge_base_id=data.knowledgeBaseId,
|
|
language=data.language,
|
|
voice_output_enabled=data.voiceOutputEnabled,
|
|
voice=data.voice,
|
|
speed=data.speed,
|
|
hotwords=data.hotwords,
|
|
tools=data.tools,
|
|
bot_cannot_be_interrupted=data.botCannotBeInterrupted,
|
|
interruption_sensitivity=data.interruptionSensitivity,
|
|
config_mode=data.configMode,
|
|
api_url=data.apiUrl,
|
|
api_key=data.apiKey,
|
|
llm_model_id=data.llmModelId,
|
|
asr_model_id=data.asrModelId,
|
|
embedding_model_id=data.embeddingModelId,
|
|
rerank_model_id=data.rerankModelId,
|
|
)
|
|
db.add(assistant)
|
|
db.commit()
|
|
db.refresh(assistant)
|
|
opener_audio = _ensure_assistant_opener_audio(db, assistant)
|
|
opener_audio.enabled = bool(data.openerAudioEnabled)
|
|
opener_audio.updated_at = datetime.utcnow()
|
|
db.commit()
|
|
db.refresh(assistant)
|
|
return assistant_to_dict(assistant)
|
|
|
|
|
|
@router.get("/{id}/opener-audio", response_model=AssistantOpenerAudioOut)
|
|
def get_assistant_opener_audio(id: str, db: Session = Depends(get_db)):
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
return _opener_audio_out(assistant.opener_audio)
|
|
|
|
|
|
@router.get("/{id}/opener-audio/pcm")
|
|
def get_assistant_opener_audio_pcm(id: str, db: Session = Depends(get_db)):
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
record = assistant.opener_audio
|
|
if not record or not record.file_path:
|
|
raise HTTPException(status_code=404, detail="Opener audio not generated")
|
|
file_path = Path(record.file_path)
|
|
if not file_path.exists():
|
|
raise HTTPException(status_code=404, detail="Opener audio file missing")
|
|
return FileResponse(
|
|
str(file_path),
|
|
media_type="application/octet-stream",
|
|
filename=f"{assistant.id}.pcm",
|
|
)
|
|
|
|
|
|
@router.post("/{id}/opener-audio/generate", response_model=AssistantOpenerAudioOut)
|
|
def generate_assistant_opener_audio(
|
|
id: str,
|
|
data: AssistantOpenerAudioGenerateRequest,
|
|
db: Session = Depends(get_db),
|
|
):
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
if not assistant.voice_output_enabled:
|
|
raise HTTPException(status_code=400, detail="Voice output is disabled")
|
|
|
|
opener_text = (data.text if data.text is not None else assistant.opener or "").strip()
|
|
if not opener_text:
|
|
raise HTTPException(status_code=400, detail="Opener text is empty")
|
|
|
|
tts_cfg, voice = _resolve_tts_runtime_for_assistant(db, assistant)
|
|
provider = str(tts_cfg.get("provider") or "").strip().lower()
|
|
if provider not in {"openai_compatible", "dashscope"}:
|
|
raise HTTPException(status_code=400, detail=f"Unsupported provider for preloaded opener audio: {provider or 'unknown'}")
|
|
|
|
speed = float(tts_cfg.get("speed") or assistant.speed or 1.0)
|
|
voice_key = str(tts_cfg.get("voice") or "").strip()
|
|
model = str(tts_cfg.get("model") or "").strip() or OPENAI_COMPATIBLE_DEFAULT_MODEL
|
|
api_key = str(tts_cfg.get("apiKey") or "").strip()
|
|
base_url = str(tts_cfg.get("baseUrl") or "").strip()
|
|
|
|
if provider == "openai_compatible":
|
|
if not api_key:
|
|
if voice and voice.api_key:
|
|
api_key = voice.api_key.strip()
|
|
if not api_key:
|
|
api_key = (os.getenv("SILICONFLOW_API_KEY", "") or os.getenv("TTS_API_KEY", "")).strip()
|
|
if not api_key:
|
|
raise HTTPException(status_code=400, detail="TTS API key is missing")
|
|
if not base_url:
|
|
base_url = OPENAI_COMPATIBLE_DEFAULT_BASE_URL
|
|
wav_bytes = _synthesize_openai_compatible_wav(
|
|
text=opener_text,
|
|
model=model,
|
|
voice_key=voice_key,
|
|
speed=speed,
|
|
api_key=api_key,
|
|
base_url=base_url,
|
|
)
|
|
else:
|
|
from .voices import _synthesize_dashscope_preview, DASHSCOPE_DEFAULT_BASE_URL, DASHSCOPE_DEFAULT_MODEL, DASHSCOPE_DEFAULT_VOICE_KEY
|
|
if not api_key:
|
|
if voice and voice.api_key:
|
|
api_key = voice.api_key.strip()
|
|
if not api_key:
|
|
api_key = (os.getenv("DASHSCOPE_API_KEY", "") or os.getenv("TTS_API_KEY", "")).strip()
|
|
if not api_key:
|
|
raise HTTPException(status_code=400, detail="DashScope API key is missing")
|
|
if not base_url:
|
|
base_url = DASHSCOPE_DEFAULT_BASE_URL
|
|
if not model:
|
|
model = DASHSCOPE_DEFAULT_MODEL
|
|
if not voice_key:
|
|
voice_key = DASHSCOPE_DEFAULT_VOICE_KEY
|
|
try:
|
|
wav_bytes = _synthesize_dashscope_preview(
|
|
text=opener_text,
|
|
api_key=api_key,
|
|
base_url=base_url,
|
|
model=model,
|
|
voice_key=voice_key,
|
|
speed=speed,
|
|
)
|
|
except Exception as exc:
|
|
raise HTTPException(status_code=502, detail=f"DashScope opener audio generation failed: {exc}") from exc
|
|
|
|
pcm_bytes, duration_ms = _wav_to_pcm16_mono_16k(wav_bytes)
|
|
record = _ensure_assistant_opener_audio(db, assistant)
|
|
record.enabled = True
|
|
record.file_path = _persist_opener_audio_pcm(assistant.id, pcm_bytes)
|
|
record.encoding = "pcm_s16le"
|
|
record.sample_rate_hz = 16000
|
|
record.channels = 1
|
|
record.duration_ms = duration_ms
|
|
record.text_hash = hashlib.sha256(opener_text.encode("utf-8")).hexdigest()
|
|
record.tts_fingerprint = _tts_fingerprint(tts_cfg, opener_text)
|
|
now = datetime.utcnow()
|
|
if not record.created_at:
|
|
record.created_at = now
|
|
record.updated_at = now
|
|
assistant.updated_at = now
|
|
db.commit()
|
|
db.refresh(assistant)
|
|
return _opener_audio_out(assistant.opener_audio)
|
|
|
|
|
|
@router.put("/{id}")
|
|
def update_assistant(id: str, data: AssistantUpdate, db: Session = Depends(get_db)):
|
|
"""更新助手"""
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
|
|
update_data = data.model_dump(exclude_unset=True)
|
|
opener_audio_enabled = update_data.pop("openerAudioEnabled", None)
|
|
_apply_assistant_update(assistant, update_data)
|
|
if opener_audio_enabled is not None:
|
|
record = _ensure_assistant_opener_audio(db, assistant)
|
|
record.enabled = bool(opener_audio_enabled)
|
|
record.updated_at = datetime.utcnow()
|
|
|
|
assistant.updated_at = datetime.utcnow()
|
|
db.commit()
|
|
db.refresh(assistant)
|
|
return assistant_to_dict(assistant)
|
|
|
|
|
|
@router.delete("/{id}")
|
|
def delete_assistant(id: str, db: Session = Depends(get_db)):
|
|
"""删除助手"""
|
|
assistant = db.query(Assistant).filter(Assistant.id == id).first()
|
|
if not assistant:
|
|
raise HTTPException(status_code=404, detail="Assistant not found")
|
|
db.delete(assistant)
|
|
db.commit()
|
|
return {"message": "Deleted successfully"}
|