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ragserver/init.py

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# -*- coding:utf-8 -*-
"""
RagServer DSPY Handlers - RAG 核心业务逻辑 + 文件上传/删除
"""
from traceback import format_exc
from ahserver.serverenv import ServerEnv
from appPublic.registerfunction import RegisterFunction
from appPublic.log import debug, exception
from sqlor.dbpools import get_sor_context
import json, os, uuid, time
async def status_handler(request, params_kw, *args, **kwargs):
return json.dumps({
"service": "ragserver", "version": "0.1.0",
"endpoints": ["/api/status", "/api/kb/list", "/api/doc/upload",
"/api/doc/delete", "/api/search", "/api/engines",
"/api/dir/create", "/api/dir/delete", "/api/dir/list",
"/api/tag/create", "/api/tag/list", "/api/tag/delete",
"/api/tag/assign", "/api/tag/unassign", "/api/tag/media_tags",
"/api/tag/search"]
}, indent=2, ensure_ascii=False)
async def kb_list_handler(request, params_kw, *args, **kwargs):
env = request._run_ns
try:
userorgid = await env.get_userorgid()
async with get_sor_context(env, 'rag') as sor:
recs = await sor.R("knowledge_bases", {})
cards = []
for r in recs:
doc_recs = await sor.R("documents", {"kb_id": r.id})
doc_count = len(doc_recs)
total_size = r.total_size or 0
if total_size >= 1073741824:
size_str = f"{total_size/1073741824:.1f}GB"
elif total_size >= 1048576:
size_str = f"{total_size/1048576:.0f}MB"
elif total_size >= 1024:
size_str = f"{total_size/1024:.0f}KB"
else:
size_str = f"{total_size}B"
engine = r.embedding_engine or "CLIP"
card = {"widgettype":"VBox","options":{"cwidth":16,"cheight":12,"bgcolor":"#f0f7ff","padding":"16px","css":"card clickable","border":"1px solid #d0e4f7"},"subwidgets":[
{"widgettype":"Text","options":{"text":"📚 " + str(r.name),"cfontsize":16,"fontWeight":"bold"}},
{"widgettype":"Text","options":{"text":str(engine)+" · 1024维","cfontsize":12,"color":"#888"}},
{"widgettype":"HBox","options":{"spacing":"12px"},"subwidgets":[
{"widgettype":"Text","options":{"text":"📄 "+str(doc_count)+"文档","cfontsize":12,"color":"#666"}},
{"widgettype":"Text","options":{"text":"💾 "+size_str,"cfontsize":12,"color":"#666"}}]}],
"binds":[{"wid":"self","event":"click","actiontype":"urlwidget","target":"app.rag_main_content","mode":"replace","options":{"url":"/knowledge_bases_list/detail.ui"}}]}
cards.append(card)
if not cards:
cards.append({"widgettype":"Text","options":{"text":"暂无知识库","color":"#aaa","cfontsize":14,"halign":"center"}})
result = {"widgettype":"HBox","options":{"width":"100%","spacing":"12px","wrap":True},"subwidgets":cards}
return json.dumps(result, ensure_ascii=False)
except Exception as e:
exception(f"kb_list: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def engines_handler(request, params_kw, *args, **kwargs):
env = request._run_ns
try:
userorgid = await env.get_userorgid()
async with get_sor_context(env, 'rag') as sor:
sql = "SELECT * FROM engine_configs WHERE status='active' AND (org_id IS NULL OR org_id=${org_id}$) ORDER BY engine_type, priority DESC"
recs = await sor.sqlExe(sql, {"org_id": userorgid})
rows = [dict(r) for r in recs]
return json.dumps({"status": "SUCCEEDED", "data": {"rows": rows, "total": len(rows)}}, ensure_ascii=False, default=str)
except Exception as e:
exception(f"engines: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def search_handler(request, params_kw, *args, **kwargs):
env = request._run_ns
try:
query = params_kw.get("query", "")
kb_id = params_kw.get("kb_id", "")
top_k = int(params_kw.get("top_k", 5))
if not query:
return json.dumps({"error": "query required"})
try:
from pipeline import search as pipeline_search
result = pipeline_search(query, pipeline_name="kg-rag-standard",
collection=kb_id or "knowledge",
graph_name=kb_id or "knowledge",
top_k=top_k, llm_func=None)
return json.dumps(result, ensure_ascii=False)
except ImportError:
return json.dumps({"status": "FALLBACK", "message": "pipeline not available"})
except Exception as e:
exception(f"search: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def doc_upload_handler(request, params_kw, *args, **kwargs):
"""文件上传 → 保存 → DB记录 → 触发RAG入库"""
env = request._run_ns
try:
userorgid = await env.get_userorgid()
kb_id = params_kw.get("kb_id", "")
file_name = params_kw.get("file_name", "upload.bin")
if not kb_id:
return json.dumps({"error": "kb_id required"})
# Read raw file data from request body
file_data = await request.read()
if not file_data:
return json.dumps({"error": "no file data"})
# Save file
doc_id = uuid.uuid4().hex[:16]
ext = os.path.splitext(file_name)[1] or ".bin"
saved_name = f"{doc_id}{ext}"
files_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "files")
os.makedirs(files_dir, exist_ok=True)
file_path = os.path.join(files_dir, saved_name)
with open(file_path, "wb") as f:
f.write(file_data)
file_size = len(file_data)
file_type = _detect_file_type(file_name, "application/octet-stream")
# Create document record
async with get_sor_context(env, 'rag') as sor:
await sor.sqlExe(
"INSERT INTO documents (id, kb_id, file_name, file_type, file_size, file_path, mime_type, status, org_id, created_at, updated_at) "
"VALUES (${id}$, ${kb_id}$, ${file_name}$, ${file_type}$, ${file_size}$, ${file_path}$, ${mime_type}$, 'pending', ${org_id}$, NOW(), NOW())",
{"id": doc_id, "kb_id": kb_id, "file_name": file_name, "file_type": file_type,
"file_size": file_size, "file_path": "/idfile/files/" + saved_name,
"mime_type": "application/octet-stream", "org_id": userorgid})
# Update KB stats
await sor.sqlExe(
"UPDATE knowledge_bases SET doc_count=doc_count+1, total_size=total_size+${size}$ WHERE id=${kb_id}$",
{"size": file_size, "kb_id": kb_id})
# Trigger async ingest for text-based files
ingest_result = None
if file_type == "text":
try:
text = file_data.decode("utf-8", errors="replace")
from pipeline import ingest as pipeline_ingest
ingest_result = pipeline_ingest(
text, pipeline_name="kg-rag-standard",
collection=kb_id, graph_name=kb_id, llm_func=None)
# Update status to done
async with get_sor_context(env, 'rag') as sor:
await sor.sqlExe(
"UPDATE documents SET status='done', chunk_count=${chunks}$ WHERE id=${id}$",
{"chunks": ingest_result.get("chunks", 0) if ingest_result else 0, "id": doc_id})
if ingest_result:
await sor.sqlExe(
"UPDATE knowledge_bases SET chunk_count=chunk_count+${n}$ WHERE id=${kb_id}$",
{"n": ingest_result.get("chunks", 0), "kb_id": kb_id})
except Exception as e:
exception(f"async ingest failed: {e}")
return json.dumps({
"status": "SUCCEEDED",
"doc_id": doc_id,
"file_name": file_name,
"file_size": file_size,
"file_type": file_type,
"ingest": ingest_result
}, ensure_ascii=False, default=str)
except Exception as e:
exception(f"doc_upload: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def doc_delete_handler(request, params_kw, *args, **kwargs):
"""文件删除 → 清理VDB → 清理图 → 清理DB → 删文件"""
env = request._run_ns
try:
doc_id = params_kw.get("doc_id", "")
if not doc_id:
return json.dumps({"error": "doc_id required"})
async with get_sor_context(env, 'rag') as sor:
# Get document info
recs = await sor.R("documents", {"id": doc_id})
if not recs:
return json.dumps({"error": "document not found"})
doc = recs[0]
# Get chunks to clean VDB
chunks = await sor.R("document_chunks", {"doc_id": doc_id})
# Delete from VDB
if chunks:
vector_ids = [c.vector_id for c in chunks if c.vector_id]
if vector_ids:
try:
_call_vdb("/v1/delete", {"colname": doc.kb_id, "ids": vector_ids})
except Exception as e:
exception(f"vdb delete failed: {e}")
# Delete from graph
entities = await sor.R("entities", {"kb_id": doc.kb_id})
if entities:
try:
_call_graph("/api/graph/save", {"graph": doc.kb_id})
except Exception as e:
exception(f"graph cleanup failed: {e}")
# Delete DB records
await sor.sqlExe("DELETE FROM document_chunks WHERE doc_id=${id}$", {"id": doc_id})
await sor.sqlExe("DELETE FROM entities WHERE kb_id=${kb_id}$", {"kb_id": doc.kb_id})
await sor.sqlExe("DELETE FROM entity_relations WHERE kb_id=${kb_id}$", {"kb_id": doc.kb_id})
await sor.sqlExe("DELETE FROM documents WHERE id=${id}$", {"id": doc_id})
# Update KB stats
await sor.sqlExe(
"UPDATE knowledge_bases SET doc_count=GREATEST(doc_count-1,0), total_size=GREATEST(total_size-${size}$,0), chunk_count=GREATEST(chunk_count-${n}$,0) WHERE id=${kb_id}$",
{"size": doc.file_size, "n": len(chunks), "kb_id": doc.kb_id})
# Delete file from disk
file_path = doc.file_path
if file_path and file_path.startswith("/idfile/"):
real_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "files",
os.path.basename(file_path))
if os.path.exists(real_path):
os.remove(real_path)
return json.dumps({"status": "SUCCEEDED", "doc_id": doc_id, "chunks_deleted": len(chunks)})
except Exception as e:
exception(f"doc_delete: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
def _detect_file_type(name, mime):
"""Detect file type from name and MIME"""
ext = os.path.splitext(name)[1].lower()
if ext in ('.txt', '.md', '.json', '.csv', '.xml', '.html', '.py', '.js', '.css', '.yaml', '.yml'):
return "text"
if ext in ('.jpg', '.jpeg', '.png', '.gif', '.bmp', '.webp', '.svg'):
return "image"
if ext in ('.mp3', '.wav', '.flac', '.ogg', '.m4a', '.aac'):
return "audio"
if ext in ('.mp4', '.avi', '.mov', '.mkv', '.webm'):
return "video"
if ext == '.pdf':
return "text"
return "other"
def _call_vdb(path, data, timeout=10):
"""Call VDB service"""
import urllib.request
url = f"http://localhost:8886{path}"
req = urllib.request.Request(url, data=json.dumps(data).encode(),
headers={"Content-Type": "application/json"})
with urllib.request.urlopen(req, timeout=timeout) as resp:
return json.loads(resp.read())
def _call_graph(path, data, timeout=10):
"""Call Graph service"""
import urllib.request
url = f"http://localhost:9092{path}"
req = urllib.request.Request(url, data=json.dumps(data).encode(),
headers={"Content-Type": "application/json"})
with urllib.request.urlopen(req, timeout=timeout) as resp:
return json.loads(resp.read())
async def dir_create_handler(request, params_kw, *args, **kwargs):
"""创建目录"""
env = request._run_ns
try:
kb_id = params_kw.get("kb_id", "")
parent_id = params_kw.get("parent_id", "")
dir_name = params_kw.get("dir_name", "")
if not kb_id or not dir_name:
return json.dumps({"error": "kb_id and dir_name required"})
async with get_sor_context(env, 'rag') as sor:
dir_id = uuid.uuid4().hex[:16]
await sor.sqlExe(
"INSERT INTO document_chunks (id, doc_id, kb_id, chunk_index, chunk_type, content, description, created_at) "
"VALUES (${id}$, '', ${kb_id}$, 0, 'directory', ${name}$, ${parent}$, NOW())",
{"id": dir_id, "kb_id": kb_id, "name": dir_name, "parent": parent_id})
return json.dumps({"status": "SUCCEEDED", "dir_id": dir_id})
except Exception as e:
exception(f"dir_create: {e}")
return json.dumps({"error": str(e)})
async def dir_delete_handler(request, params_kw, *args, **kwargs):
"""删除目录/文件"""
env = request._run_ns
try:
item_id = params_kw.get("item_id", "")
if not item_id:
return json.dumps({"error": "item_id required"})
async with get_sor_context(env, 'rag') as sor:
await sor.sqlExe("DELETE FROM document_chunks WHERE id=${id}$ OR doc_id=${id}$", {"id": item_id})
return json.dumps({"status": "SUCCEEDED"})
except Exception as e:
exception(f"dir_delete: {e}")
return json.dumps({"error": str(e)})
async def dir_list_handler(request, params_kw, *args, **kwargs):
"""列出知识库的目录树"""
env = request._run_ns
try:
kb_id = params_kw.get("kb_id", "")
if not kb_id:
return json.dumps({"error": "kb_id required"})
async with get_sor_context(env, 'rag') as sor:
# Get directories (chunk_type='directory')
dirs = await sor.sqlExe(
"SELECT id, content as label, description as parent_id FROM document_chunks WHERE kb_id=${kb_id}$ AND chunk_type='directory'",
{"kb_id": kb_id})
# Get files (documents table)
docs = await sor.sqlExe(
"SELECT id, file_name as label, '' as parent_id FROM documents WHERE kb_id=${kb_id}$",
{"kb_id": kb_id})
items = []
for d in dirs:
items.append({"id": d.id, "label": d.label, "parent_id": d.parent_id or "", "type": "dir"})
for d in docs:
items.append({"id": d.id, "label": d.label, "parent_id": "", "type": "file"})
return json.dumps({"status": "SUCCEEDED", "items": items})
except Exception as e:
exception(f"dir_list: {e}")
return json.dumps({"error": str(e)})
async def tag_create_handler(request, params_kw, *args, **kwargs):
"""创建标签"""
env = request._run_ns
try:
kb_id = params_kw.get("kb_id", "")
name = params_kw.get("name", "").strip()
color = params_kw.get("color", "#3b82f6")
if not kb_id or not name:
return json.dumps({"error": "kb_id and name required"})
userorgid = await env.get_userorgid()
async with get_sor_context(env, 'rag') as sor:
tag_id = uuid.uuid4().hex[:16]
await sor.sqlExe(
"INSERT INTO tags (id, kb_id, name, color, org_id, created_at) "
"VALUES (${id}$, ${kb_id}$, ${name}$, ${color}$, ${org_id}$, NOW())",
{"id": tag_id, "kb_id": kb_id, "name": name, "color": color, "org_id": userorgid})
return json.dumps({"status": "SUCCEEDED", "tag_id": tag_id, "name": name, "color": color})
except Exception as e:
exception(f"tag_create: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def tag_list_handler(request, params_kw, *args, **kwargs):
"""列出知识库的所有标签"""
env = request._run_ns
try:
kb_id = params_kw.get("kb_id", "")
if not kb_id:
return json.dumps({"error": "kb_id required"})
userorgid = await env.get_userorgid()
async with get_sor_context(env, 'rag') as sor:
recs = await sor.R("tags", {"kb_id": kb_id, "org_id": userorgid})
tags = [{"id": r.id, "name": r.name, "color": r.color, "created_at": str(r.created_at)} for r in recs]
return json.dumps({"status": "SUCCEEDED", "tags": tags}, ensure_ascii=False, default=str)
except Exception as e:
exception(f"tag_list: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def tag_delete_handler(request, params_kw, *args, **kwargs):
"""删除标签（级联删除关联）"""
env = request._run_ns
try:
tag_id = params_kw.get("tag_id", "")
if not tag_id:
return json.dumps({"error": "tag_id required"})
async with get_sor_context(env, 'rag') as sor:
await sor.sqlExe("DELETE FROM media_tags WHERE tag_id=${id}$", {"id": tag_id})
await sor.sqlExe("DELETE FROM tags WHERE id=${id}$", {"id": tag_id})
return json.dumps({"status": "SUCCEEDED", "tag_id": tag_id})
except Exception as e:
exception(f"tag_delete: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def tag_assign_handler(request, params_kw, *args, **kwargs):
"""给媒体/人脸/声纹打标签"""
env = request._run_ns
try:
kb_id = params_kw.get("kb_id", "")
media_type = params_kw.get("media_type", "") # document / face / voice
media_id = params_kw.get("media_id", "")
tag_id = params_kw.get("tag_id", "")
if not all([kb_id, media_type, media_id, tag_id]):
return json.dumps({"error": "kb_id, media_type, media_id, tag_id required"})
if media_type not in ("document", "face", "voice"):
return json.dumps({"error": "media_type must be document/face/voice"})
async with get_sor_context(env, 'rag') as sor:
mt_id = uuid.uuid4().hex[:16]
await sor.sqlExe(
"INSERT INTO media_tags (id, kb_id, media_type, media_id, tag_id, created_at) "
"VALUES (${id}$, ${kb_id}$, ${type}$, ${mid}$, ${tid}$, NOW())",
{"id": mt_id, "kb_id": kb_id, "type": media_type, "mid": media_id, "tid": tag_id})
return json.dumps({"status": "SUCCEEDED", "media_tag_id": mt_id})
except Exception as e:
exception(f"tag_assign: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def tag_unassign_handler(request, params_kw, *args, **kwargs):
"""取消标签关联"""
env = request._run_ns
try:
media_type = params_kw.get("media_type", "")
media_id = params_kw.get("media_id", "")
tag_id = params_kw.get("tag_id", "")
if not all([media_type, media_id, tag_id]):
return json.dumps({"error": "media_type, media_id, tag_id required"})
async with get_sor_context(env, 'rag') as sor:
await sor.sqlExe(
"DELETE FROM media_tags WHERE media_type=${type}$ AND media_id=${mid}$ AND tag_id=${tid}$",
{"type": media_type, "mid": media_id, "tid": tag_id})
return json.dumps({"status": "SUCCEEDED"})
except Exception as e:
exception(f"tag_unassign: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def tag_media_tags_handler(request, params_kw, *args, **kwargs):
"""查询某媒体的所有标签"""
env = request._run_ns
try:
media_type = params_kw.get("media_type", "")
media_id = params_kw.get("media_id", "")
if not all([media_type, media_id]):
return json.dumps({"error": "media_type and media_id required"})
async with get_sor_context(env, 'rag') as sor:
recs = await sor.sqlExe(
"SELECT t.id, t.name, t.color FROM media_tags mt "
"JOIN tags t ON mt.tag_id=t.id "
"WHERE mt.media_type=${type}$ AND mt.media_id=${mid}$",
{"type": media_type, "mid": media_id})
tags = [{"id": r.id, "name": r.name, "color": r.color} for r in recs]
return json.dumps({"status": "SUCCEEDED", "tags": tags})
except Exception as e:
exception(f"tag_media_tags: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
async def tag_search_handler(request, params_kw, *args, **kwargs):
"""组合标签检索：按 tag_ids 过滤，再语义检索"""
env = request._run_ns
try:
query = params_kw.get("query", "")
kb_id = params_kw.get("kb_id", "")
tag_ids_str = params_kw.get("tag_ids", "") # comma-separated tag IDs
top_k = int(params_kw.get("top_k", 5))
match_mode = params_kw.get("match_mode", "any") # any / all
if not kb_id:
return json.dumps({"error": "kb_id required"})
async with get_sor_context(env, 'rag') as sor:
if tag_ids_str:
tag_ids = [t.strip() for t in tag_ids_str.split(",") if t.strip()]
media_ids_by_tag = []
for tid in tag_ids:
recs = await sor.sqlExe(
"SELECT media_type, media_id FROM media_tags WHERE kb_id=${kb_id}$ AND tag_id=${tid}$",
{"kb_id": kb_id, "tid": tid})
mids = {(r.media_type, r.media_id) for r in recs}
media_ids_by_tag.append(mids)
if match_mode == "all":
matched = media_ids_by_tag[0]
for s in media_ids_by_tag[1:]:
matched = matched & s
else:
matched = set()
for s in media_ids_by_tag:
matched |= s
if not matched:
return json.dumps({"status": "SUCCEEDED", "results": [], "message": "no media match tags"})
doc_ids = [mid for mt, mid in matched if mt == "document"]
face_ids = [mid for mt, mid in matched if mt == "face"]
voice_ids = [mid for mt, mid in matched if mt == "voice"]
results = []
if doc_ids:
docs = await sor.sqlExe(
"SELECT id, file_name, file_type, file_size, status, created_at FROM documents WHERE id IN (${ids}$)",
{"ids": doc_ids})
for d in docs:
results.append({"type": "document", "id": d.id, "name": d.file_name, "file_type": d.file_type, "size": d.file_size, "status": d.status, "created_at": str(d.created_at)})
if face_ids:
faces = await sor.sqlExe(
"SELECT id, name, description, face_embedding_id, created_at FROM entities WHERE id IN (${ids}$) AND entity_type='person'",
{"ids": face_ids})
for f in faces:
results.append({"type": "face", "id": f.id, "name": f.name, "description": f.description, "created_at": str(f.created_at)})
if voice_ids:
voices = await sor.sqlExe(
"SELECT id, name, description, voice_embedding_id, created_at FROM entities WHERE id IN (${ids}$) AND entity_type='voice'",
{"ids": voice_ids})
for v in voices:
results.append({"type": "voice", "id": v.id, "name": v.name, "description": v.description, "created_at": str(v.created_at)})
if query:
import urllib.request
tag_filtered_docs = [r for r in results if r["type"] == "document"]
vdb_docs = []
for doc in tag_filtered_docs:
chunks = await sor.sqlExe(
"SELECT content FROM document_chunks WHERE doc_id=${id}$ LIMIT 3",
{"id": doc["id"]})
for c in chunks:
vdb_docs.append({"doc_id": doc["id"], "content": c.content})
results = {"documents": [{"id": r["id"], "name": r["name"], "file_type": r["file_type"]} for r in tag_filtered_docs],
"faces": [r for r in results if r["type"] == "face"],
"voices": [r for r in results if r["type"] == "voice"],
"chunks": vdb_docs,
"query": query,
"tag_ids": tag_ids,
"match_mode": match_mode}
return json.dumps({"status": "SUCCEEDED", "results": results, "tag_ids": tag_ids, "match_mode": match_mode}, ensure_ascii=False, default=str)
else:
return json.dumps({"status": "SUCCEEDED", "results": [], "message": "no tag_ids provided"})
except Exception as e:
exception(f"tag_search: {e}, {format_exc()}")
return json.dumps({"error": str(e)})
def init_ragserver():
env = ServerEnv()
rf = RegisterFunction()
rf.register("status", status_handler)
rf.register("kb_list", kb_list_handler)
rf.register("engines", engines_handler)
rf.register("search", search_handler)
rf.register("doc_upload", doc_upload_handler)
rf.register("doc_delete", doc_delete_handler)
rf.register("dir_create", dir_create_handler)
rf.register("dir_delete", dir_delete_handler)
rf.register("dir_list", dir_list_handler)
rf.register("tag_create", tag_create_handler)
rf.register("tag_list", tag_list_handler)
rf.register("tag_delete", tag_delete_handler)
rf.register("tag_assign", tag_assign_handler)
rf.register("tag_unassign", tag_unassign_handler)
rf.register("tag_media_tags", tag_media_tags_handler)
rf.register("tag_search", tag_search_handler)
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