refactor(database): 将同步数据库操作迁移为异步操作
将整个项目的数据库操作从同步模式迁移为异步模式，主要涉及以下修改： - 将 `with get_db_session()` 改为 `async with get_db_session()` - 将同步的 SQLAlchemy 查询方法改为异步执行 - 更新相关的方法签名，添加 async/await 关键字 - 修复由于异步化导致的并发问题和性能问题 这些修改提高了数据库操作的并发性能，避免了阻塞主线程，提升了系统的整体响应能力。涉及修改的模块包括表情包管理、反提示注入统计、用户封禁管理、记忆系统、消息存储等多个核心组件。 BREAKING CHANGE: 所有涉及数据库操作的方法现在都需要使用异步调用，同步调用将不再工作
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Windpicker-owo
@@ -27,19 +27,32 @@ import time
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from PIL import Image
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from src.common.logger import get_logger
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from src.config.config import global_config, model_config
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from src.llm_models.utils_model import LLMRequest
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from src.common.database.sqlalchemy_models import Videos, get_db_session # type: ignore
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from sqlalchemy import select, update, insert # type: ignore
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from sqlalchemy import exc as sa_exc # type: ignore
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# 简易并发控制：同一 hash 只处理一次
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_video_locks: Dict[str, asyncio.Lock] = {}
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_locks_guard = asyncio.Lock()
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from src.common.database.sqlalchemy_models import get_db_session, Videos
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from sqlalchemy import select
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logger = get_logger("utils_video")
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from inkfox import video
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# Rust模块可用性检测
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RUST_VIDEO_AVAILABLE = False
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try:
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import rust_video # pyright: ignore[reportMissingImports]
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RUST_VIDEO_AVAILABLE = True
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logger.info("✅ Rust 视频处理模块加载成功")
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except ImportError as e:
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logger.warning(f"⚠️ Rust 视频处理模块加载失败: {e}")
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logger.warning("⚠️ 视频识别功能将自动禁用")
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except Exception as e:
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logger.error(f"❌ 加载Rust模块时发生错误: {e}")
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RUST_VIDEO_AVAILABLE = False
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# 全局正在处理的视频哈希集合，用于防止重复处理
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processing_videos = set()
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processing_lock = asyncio.Lock()
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# 为每个视频hash创建独立的锁和事件
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video_locks = {}
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video_events = {}
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video_lock_manager = asyncio.Lock()
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class VideoAnalyzer:
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@@ -192,7 +205,99 @@ class VideoAnalyzer:
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hash_obj.update(video_data)
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return hash_obj.hexdigest()
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self._log_system()
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async def _check_video_exists(self, video_hash: str) -> Optional[Videos]:
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"""检查视频是否已经分析过"""
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try:
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async with get_db_session() as session:
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# 明确刷新会话以确保看到其他事务的最新提交
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await session.expire_all()
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stmt = select(Videos).where(Videos.video_hash == video_hash)
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result = await session.execute(stmt)
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return result.scalar_one_or_none()
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except Exception as e:
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logger.warning(f"检查视频是否存在时出错: {e}")
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return None
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async def _store_video_result(
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self, video_hash: str, description: str, metadata: Optional[Dict] = None
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) -> Optional[Videos]:
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"""存储视频分析结果到数据库"""
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# 检查描述是否为错误信息，如果是则不保存
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if description.startswith("❌"):
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logger.warning(f"⚠️ 检测到错误信息，不保存到数据库: {description[:50]}...")
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return None
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try:
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async with get_db_session() as session:
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# 只根据video_hash查找
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stmt = select(Videos).where(Videos.video_hash == video_hash)
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result = await session.execute(stmt)
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existing_video = result.scalar_one_or_none()
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if existing_video:
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# 如果已存在，更新描述和计数
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existing_video.description = description
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existing_video.count += 1
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existing_video.timestamp = time.time()
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if metadata:
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existing_video.duration = metadata.get("duration")
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existing_video.frame_count = metadata.get("frame_count")
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existing_video.fps = metadata.get("fps")
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existing_video.resolution = metadata.get("resolution")
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existing_video.file_size = metadata.get("file_size")
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await session.commit()
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await session.refresh(existing_video)
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logger.info(f"✅ 更新已存在的视频记录，hash: {video_hash[:16]}..., count: {existing_video.count}")
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return existing_video
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else:
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video_record = Videos(
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video_hash=video_hash, description=description, timestamp=time.time(), count=1
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)
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if metadata:
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video_record.duration = metadata.get("duration")
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video_record.frame_count = metadata.get("frame_count")
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video_record.fps = metadata.get("fps")
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video_record.resolution = metadata.get("resolution")
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video_record.file_size = metadata.get("file_size")
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session.add(video_record)
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await session.commit()
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await session.refresh(video_record)
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logger.info(f"✅ 新视频分析结果已保存到数据库，hash: {video_hash[:16]}...")
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return video_record
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except Exception as e:
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logger.error(f"❌ 存储视频分析结果时出错: {e}")
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return None
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def set_analysis_mode(self, mode: str):
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"""设置分析模式"""
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if mode in ["batch", "sequential", "auto"]:
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self.analysis_mode = mode
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# logger.info(f"分析模式已设置为: {mode}")
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else:
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logger.warning(f"无效的分析模式: {mode}")
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async def extract_frames(self, video_path: str) -> List[Tuple[str, float]]:
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"""提取视频帧 - 智能选择最佳实现"""
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# 检查是否应该使用Rust实现
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if RUST_VIDEO_AVAILABLE and self.frame_extraction_mode == "keyframe":
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# 优先尝试Rust关键帧提取
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try:
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return await self._extract_frames_rust_advanced(video_path)
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except Exception as e:
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logger.warning(f"Rust高级接口失败: {e}，尝试基础接口")
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try:
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return await self._extract_frames_rust(video_path)
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except Exception as e2:
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logger.warning(f"Rust基础接口也失败: {e2}，降级到Python实现")
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return await self._extract_frames_python_fallback(video_path)
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else:
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# 使用Python实现（支持time_interval和fixed_number模式）
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if not RUST_VIDEO_AVAILABLE:
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logger.info("🔄 Rust模块不可用，使用Python抽帧实现")
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else:
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logger.info(f"🔄 抽帧模式为 {self.frame_extraction_mode}，使用Python抽帧实现")
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return await self._extract_frames_python_fallback(video_path)
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# ---- 系统信息 ----
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def _log_system(self) -> None:
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@@ -308,31 +413,82 @@ class VideoAnalyzer:
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prompt: Optional[str] = None,
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question: Optional[str] = None,
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) -> Dict[str, str]:
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"""从内存字节分析视频，兼容旧调用 (prompt / question 二选一) 返回 {"summary": str}."""
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if not video_bytes:
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return {"summary": "❌ 空视频数据"}
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# 兼容参数：prompt 优先，其次 question
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q = prompt if prompt is not None else question
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video_hash = hashlib.sha256(video_bytes).hexdigest()
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"""从字节数据分析视频
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# 查缓存（第一次，未加锁）
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cached = await self._get_cached(video_hash)
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if cached:
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logger.info(f"视频缓存命中(预检查) hash={video_hash[:16]}")
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return {"summary": cached}
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Args:
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video_bytes: 视频字节数据
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filename: 文件名（可选，仅用于日志）
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user_question: 用户问题（旧参数名，保持兼容性）
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prompt: 提示词（新参数名，与系统调用保持一致）
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# 获取锁避免重复处理
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async with _locks_guard:
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lock = _video_locks.get(video_hash)
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if lock is None:
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lock = asyncio.Lock()
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_video_locks[video_hash] = lock
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async with lock:
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# 双检缓存
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cached2 = await self._get_cached(video_hash)
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if cached2:
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logger.info(f"视频缓存命中(锁后) hash={video_hash[:16]}")
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return {"summary": cached2}
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Returns:
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Dict[str, str]: 包含分析结果的字典，格式为 {"summary": "分析结果"}
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"""
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if self.disabled:
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return {"summary": "❌ 视频分析功能已禁用：没有可用的视频处理实现"}
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video_hash = None
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video_event = None
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try:
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logger.info("开始从字节数据分析视频")
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# 兼容性处理：如果传入了prompt参数，使用prompt；否则使用user_question
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question = prompt if prompt is not None else user_question
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# 检查视频数据是否有效
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if not video_bytes:
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return {"summary": "❌ 视频数据为空"}
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# 计算视频hash值
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video_hash = self._calculate_video_hash(video_bytes)
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logger.info(f"视频hash: {video_hash}")
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# 改进的并发控制：使用每个视频独立的锁和事件
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async with video_lock_manager:
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if video_hash not in video_locks:
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video_locks[video_hash] = asyncio.Lock()
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video_events[video_hash] = asyncio.Event()
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video_lock = video_locks[video_hash]
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video_event = video_events[video_hash]
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# 尝试获取该视频的专用锁
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if video_lock.locked():
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logger.info(f"⏳ 相同视频正在处理中，等待处理完成... (hash: {video_hash[:16]}...)")
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try:
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# 等待处理完成的事件信号，最多等待60秒
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await asyncio.wait_for(video_event.wait(), timeout=60.0)
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logger.info("✅ 等待结束，检查是否有处理结果")
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# 检查是否有结果了
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existing_video = await self._check_video_exists(video_hash)
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if existing_video:
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logger.info(f"✅ 找到了处理结果，直接返回 (id: {existing_video.id})")
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return {"summary": existing_video.description}
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else:
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logger.warning("⚠️ 等待完成但未找到结果，可能处理失败")
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except asyncio.TimeoutError:
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logger.warning("⚠️ 等待超时(60秒)，放弃等待")
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# 获取锁开始处理
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async with video_lock:
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logger.info(f"🔒 获得视频处理锁，开始处理 (hash: {video_hash[:16]}...)")
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# 再次检查数据库（可能在等待期间已经有结果了）
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existing_video = await self._check_video_exists(video_hash)
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if existing_video:
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logger.info(f"✅ 获得锁后发现已有结果，直接返回 (id: {existing_video.id})")
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video_event.set() # 通知其他等待者
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return {"summary": existing_video.description}
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# 未找到已存在记录，开始新的分析
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logger.info("未找到已存在的视频记录，开始新的分析")
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# 创建临时文件进行分析
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with tempfile.NamedTemporaryFile(delete=False, suffix=".mp4") as temp_file:
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temp_file.write(video_bytes)
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temp_path = temp_file.name
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try:
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with tempfile.NamedTemporaryFile(delete=False) as fp:
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@@ -351,7 +507,7 @@ class VideoAnalyzer:
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# 保存分析结果到数据库（仅保存成功的结果）
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if success and not result.startswith("❌"):
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metadata = {"filename": filename, "file_size": len(video_bytes), "analysis_timestamp": time.time()}
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self._store_video_result(video_hash=video_hash, description=result, metadata=metadata)
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await self._store_video_result(video_hash=video_hash, description=result, metadata=metadata)
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logger.info("✅ 分析结果已保存到数据库")
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else:
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logger.warning("⚠️ 分析失败，不保存到数据库以便后续重试")
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