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148559ee3c
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148559ee3c | ||
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431af0217a | ||
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aa04bb94a6 | ||
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84a8be0ce8 |
23
.dockerignore
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23
.dockerignore
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@@ -0,0 +1,23 @@
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# 大体积数据目录(通过 volume 挂载,不需要打进镜像)
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models/
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knowledge/vector_store/
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documents/
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.data/
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data/
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# Python 虚拟环境
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venv/
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__pycache__/
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*.pyc
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# Git
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.git/
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# IDE 和编辑器
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.vscode/
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.idea/
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*.swp
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# 其他
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*.log
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.env*
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@@ -134,6 +134,9 @@ class CollectionMixin:
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"""
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from .base import BM25Index
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# 从磁盘重新加载元数据,确保多 worker 进程间状态一致
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self._metadata = self._load_metadata()
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if not kb_name or not kb_name.replace('_', '').isalnum():
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return False, "向量库名称只能包含字母、数字和下划线"
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@@ -190,6 +193,9 @@ class CollectionMixin:
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Returns:
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更新成功返回 True,向量库不存在返回 False
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"""
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# 从磁盘重新加载元数据,确保多 worker 进程间状态一致
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self._metadata = self._load_metadata()
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collections = self._metadata.get("collections", {})
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if kb_name not in collections:
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return False
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@@ -228,6 +234,9 @@ class CollectionMixin:
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"""
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import shutil
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# 从磁盘重新加载元数据,确保多 worker 进程间状态一致
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self._metadata = self._load_metadata()
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if kb_name == PUBLIC_KB_NAME:
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return False, "公开知识库不能删除"
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@@ -348,50 +357,36 @@ class CollectionMixin:
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- department: 所属部门
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- description: 描述
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"""
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# 从磁盘重新加载元数据,确保多 worker 进程间状态一致
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self._metadata = self._load_metadata()
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result = []
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# 扫描 base_path 下的所有子目录作为向量库
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# 每个向量库使用独立目录:base_path/my_ky, base_path/public_kb 等
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actual_collections = []
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try:
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if os.path.exists(self.base_path):
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for item in os.listdir(self.base_path):
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item_path = os.path.join(self.base_path, item)
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if os.path.isdir(item_path) and not item.startswith('.'):
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# 检查是否包含 chroma.sqlite3(有效的向量库目录)
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if os.path.exists(os.path.join(item_path, 'chroma.sqlite3')):
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actual_collections.append(item)
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except Exception as e:
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logger.warning(f"扫描向量库目录失败: {e}")
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# 如果扫描失败,回退到元数据中的集合列表
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if not actual_collections:
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actual_collections = list(self._metadata.get("collections", {}).keys())
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for name in actual_collections:
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if name not in self._metadata.get("collections", {}):
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if "collections" not in self._metadata:
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self._metadata["collections"] = {}
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self._metadata["collections"][name] = {
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"display_name": name,
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"department": "",
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"description": "",
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"created_at": datetime.now().isoformat()
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}
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logger.info(f"自动补充向量库元数据: {name}")
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self._save_metadata()
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# 以元数据为唯一真相源,不再扫描磁盘自动补充
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# (扫描磁盘会导致其他 worker 刚创建/删除的集合被误操作)
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for name, info in self._metadata.get("collections", {}).items():
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collection = self.get_collection(name)
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result.append(CollectionInfo(
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name=name,
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display_name=info.get("display_name", name),
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document_count=collection.count() if collection else 0,
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created_at=info.get("created_at", ""),
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department=info.get("department", ""),
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description=info.get("description", "")
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))
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try:
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collection = self.get_collection(name)
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result.append(CollectionInfo(
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name=name,
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display_name=info.get("display_name", name),
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document_count=collection.count() if collection else 0,
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created_at=info.get("created_at", ""),
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department=info.get("department", ""),
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description=info.get("description", "")
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))
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except Exception as e:
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# 只跳过不修改元数据(可能是其他 worker 刚创建的集合)
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logger.warning(
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f"跳过异常向量库 '{name}': {e}"
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)
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result.append(CollectionInfo(
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name=name,
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display_name=info.get("display_name", name),
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document_count=0,
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created_at=info.get("created_at", ""),
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department=info.get("department", ""),
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description=info.get("description", "")
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))
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return result
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@@ -405,4 +400,6 @@ class CollectionMixin:
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Returns:
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存在返回 True,不存在返回 False
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"""
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# 从磁盘重新加载元数据,确保多 worker 进程间状态一致
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self._metadata = self._load_metadata()
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return kb_name in self._metadata.get("collections", {})
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@@ -29,6 +29,11 @@
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import os
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import json
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import threading
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try:
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import fcntl
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_HAS_FCNTL = True
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except ImportError:
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_HAS_FCNTL = False
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from typing import List, Dict, Optional, Tuple
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from pathlib import Path
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import logging
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@@ -134,22 +139,36 @@ class KnowledgeBaseManager(
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logger.info(f"知识库管理器初始化完成,路径: {self.base_path},发现 {len(existing_kbs)} 个向量库: {existing_kbs}")
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def _load_metadata(self) -> dict:
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"""加载元数据"""
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"""加载元数据(带文件锁)"""
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metadata_path = os.path.join(self.base_path, KB_METADATA_FILE)
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if os.path.exists(metadata_path):
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try:
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with open(metadata_path, 'r', encoding='utf-8') as f:
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return json.load(f)
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if _HAS_FCNTL:
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fcntl.flock(f.fileno(), fcntl.LOCK_SH)
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try:
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return json.load(f)
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finally:
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if _HAS_FCNTL:
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fcntl.flock(f.fileno(), fcntl.LOCK_UN)
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except Exception as e:
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logger.error(f"加载元数据失败: {e}")
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return {"collections": {}}
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def _save_metadata(self):
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"""保存元数据"""
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"""保存元数据(带文件锁,防止并发写入覆盖)"""
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metadata_path = os.path.join(self.base_path, KB_METADATA_FILE)
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try:
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with open(metadata_path, 'w', encoding='utf-8') as f:
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json.dump(self._metadata, f, ensure_ascii=False, indent=2)
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if _HAS_FCNTL:
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fcntl.flock(f.fileno(), fcntl.LOCK_EX)
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try:
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json.dump(self._metadata, f, ensure_ascii=False, indent=2)
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f.flush()
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os.fsync(f.fileno())
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finally:
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if _HAS_FCNTL:
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fcntl.flock(f.fileno(), fcntl.LOCK_UN)
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except Exception as e:
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logger.error(f"保存元数据失败: {e}")
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