feat: LangGraph工作流核心 — Agent状态/节点/图 + 验证服务 + 知识库
agent/ state.py: AgentState TypedDict(20字段含意图/压缩/会话/撤销) nodes.py: 17个节点函数(生成/修改/验证/纠错/意图分类/压缩/撤销/重置) graph.py: 17节点状态图,8意图路由分发 验证服务 validation_service/ main.py: FastAPI服务,lxml XSD验证 + 结构化检查(字段引用/SQL/尺寸) 数据 data/ sample_templates/: 4个JRXML示例模板 corrections/: 3个错误修正案例 脚本 scripts/ init_kb.py: Chroma知识库初始化
This commit is contained in:
@@ -0,0 +1,87 @@
|
||||
"""初始化 Chroma 知识库,加载示例 JRXML 模板和错误修正案例。
|
||||
|
||||
用法: python scripts/init_kb.py
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
from pathlib import Path
|
||||
|
||||
from dotenv import load_dotenv
|
||||
|
||||
sys.path.insert(0, str(Path(__file__).parent.parent))
|
||||
|
||||
load_dotenv()
|
||||
|
||||
from backend.embeddings import get_embeddings
|
||||
|
||||
|
||||
def load_templates(template_dir: Path) -> list[dict]:
|
||||
docs = []
|
||||
for fpath in template_dir.glob('*.jrxml'):
|
||||
content = fpath.read_text(encoding='utf-8')
|
||||
name = fpath.stem
|
||||
docs.append({
|
||||
'content': content,
|
||||
'metadata': {
|
||||
'source': str(fpath),
|
||||
'type': 'full_report',
|
||||
'name': name,
|
||||
},
|
||||
})
|
||||
return docs
|
||||
|
||||
|
||||
def load_corrections(corrections_dir: Path) -> list[dict]:
|
||||
docs = []
|
||||
for fpath in corrections_dir.glob('*.jrxml'):
|
||||
content = fpath.read_text(encoding='utf-8')
|
||||
docs.append({
|
||||
'content': content,
|
||||
'metadata': {
|
||||
'source': str(fpath),
|
||||
'type': 'correction_case',
|
||||
'name': fpath.stem,
|
||||
},
|
||||
})
|
||||
return docs
|
||||
|
||||
|
||||
def main():
|
||||
persist_dir = os.getenv('CHROMA_PERSIST_DIR', './db/chroma')
|
||||
data_dir = Path(__file__).parent.parent / 'data'
|
||||
|
||||
template_dir = data_dir / 'sample_templates'
|
||||
corrections_dir = data_dir / 'corrections'
|
||||
|
||||
docs = []
|
||||
if template_dir.exists():
|
||||
docs.extend(load_templates(template_dir))
|
||||
print(f'从 {template_dir} 加载了 {len(docs)} 个模板')
|
||||
|
||||
if corrections_dir.exists():
|
||||
corr = load_corrections(corrections_dir)
|
||||
docs.extend(corr)
|
||||
print(f'从 {corrections_dir} 加载了 {len(corr)} 个修正案例')
|
||||
|
||||
if not docs:
|
||||
print('未找到文档,无需索引。')
|
||||
return
|
||||
|
||||
embeddings = get_embeddings()
|
||||
from langchain_chroma import Chroma
|
||||
|
||||
texts = [d['content'] for d in docs]
|
||||
metadatas = [d['metadata'] for d in docs]
|
||||
|
||||
Chroma.from_texts(
|
||||
texts=texts,
|
||||
embedding=embeddings,
|
||||
metadatas=metadatas,
|
||||
persist_directory=persist_dir,
|
||||
)
|
||||
print(f'已将 {len(docs)} 个文档索引到 Chroma,存储位置: {persist_dir}')
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
Reference in New Issue
Block a user