62 lines
1.3 KiB
Python
62 lines
1.3 KiB
Python
"""Project Knowledge Graph service.
|
||
|
||
第一阶段目标：
|
||
1. 构建统一实体/关系/证据写入能力
|
||
2. 支持结构化数据（project/task/signal/user）同步
|
||
3. 支持代码目录扫描快照
|
||
4. 提供图谱概览统计
|
||
"""
|
||
|
||
from __future__ import annotations
|
||
|
||
import hashlib
|
||
import json
|
||
import os
|
||
from datetime import datetime, timedelta, timezone
|
||
from pathlib import Path
|
||
from typing import Any, Optional
|
||
|
||
from sqlalchemy import and_, func, select
|
||
from sqlalchemy.ext.asyncio import AsyncSession
|
||
|
||
from ...models import (
|
||
IngestEvent,
|
||
IngestOffset,
|
||
KGEvidence,
|
||
KGEntity,
|
||
KGRelation,
|
||
KGSyncRun,
|
||
Project,
|
||
FeishuItem,
|
||
Signal,
|
||
SymbolDefinition,
|
||
SymbolReference,
|
||
Task,
|
||
User,
|
||
)
|
||
from ..context_cache_service import context_cache_service
|
||
from ..signal.symbol_index import SymbolIndexService
|
||
from ..model.model_config import load_model_config
|
||
|
||
|
||
from ...utils.timezone import now_cn_naive
|
||
def _utc_now_naive() -> datetime:
|
||
return now_cn_naive()
|
||
|
||
|
||
DDL_BLOCKED_PREFIXES = [
|
||
"CREATE",
|
||
"ALTER",
|
||
"DROP",
|
||
"TRUNCATE",
|
||
"RENAME",
|
||
"COMMENT",
|
||
"GRANT",
|
||
"REVOKE",
|
||
]
|
||
DDL_GUARDRAIL_POLICY_KEY = "policy:ddl_via_interface_only"
|
||
DDL_GUARDRAIL_POLICY_NAME = "DDL 只能通过受控接口/迁移流程"
|
||
|
||
|
||
__all__ = [name for name in globals() if not name.startswith("__")]
|