将flask改成fastapi
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212
api/apps/file2document_app.py
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212
api/apps/file2document_app.py
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#
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# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License
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#
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from pathlib import Path
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from typing import List
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from fastapi import APIRouter, Depends
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from api.db.services.file2document_service import File2DocumentService
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from api.db.services.file_service import FileService
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from api.db.services.knowledgebase_service import KnowledgebaseService
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from api.utils.api_utils import server_error_response, get_data_error_result, validate_request
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from api.utils import get_uuid
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from api.db import FileType
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from api.db.services.document_service import DocumentService
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from api import settings
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from api.utils.api_utils import get_json_result
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from pydantic import BaseModel
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# Security
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security = HTTPBearer()
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# Pydantic models for request/response
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class ConvertRequest(BaseModel):
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file_ids: List[str]
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kb_ids: List[str]
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class RemoveFile2DocumentRequest(BaseModel):
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file_ids: List[str]
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# Dependency injection
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async def get_current_user(credentials: HTTPAuthorizationCredentials = Depends(security)):
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"""获取当前用户"""
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from api.db import StatusEnum
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from api.db.services.user_service import UserService
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from fastapi import HTTPException, status
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import logging
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try:
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from itsdangerous.url_safe import URLSafeTimedSerializer as Serializer
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except ImportError:
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# 如果没有itsdangerous，使用jwt作为替代
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import jwt
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Serializer = jwt
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jwt = Serializer(secret_key=settings.SECRET_KEY)
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authorization = credentials.credentials
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if authorization:
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try:
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access_token = str(jwt.loads(authorization))
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if not access_token or not access_token.strip():
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Authentication attempt with empty access token"
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)
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# Access tokens should be UUIDs (32 hex characters)
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if len(access_token.strip()) < 32:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=f"Authentication attempt with invalid token format: {len(access_token)} chars"
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)
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user = UserService.query(
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access_token=access_token, status=StatusEnum.VALID.value
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)
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if user:
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if not user[0].access_token or not user[0].access_token.strip():
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail=f"User {user[0].email} has empty access_token in database"
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)
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return user[0]
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else:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid access token"
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)
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except Exception as e:
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logging.warning(f"load_user got exception {e}")
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid access token"
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)
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else:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Authorization header required"
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)
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# Create router
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router = APIRouter()
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@router.post('/convert')
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async def convert(
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req: ConvertRequest,
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current_user = Depends(get_current_user)
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):
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kb_ids = req.kb_ids
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file_ids = req.file_ids
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file2documents = []
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try:
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files = FileService.get_by_ids(file_ids)
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files_set = dict({file.id: file for file in files})
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for file_id in file_ids:
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file = files_set[file_id]
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if not file:
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return get_data_error_result(message="File not found!")
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file_ids_list = [file_id]
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if file.type == FileType.FOLDER.value:
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file_ids_list = FileService.get_all_innermost_file_ids(file_id, [])
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for id in file_ids_list:
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informs = File2DocumentService.get_by_file_id(id)
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# delete
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for inform in informs:
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doc_id = inform.document_id
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e, doc = DocumentService.get_by_id(doc_id)
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if not e:
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return get_data_error_result(message="Document not found!")
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tenant_id = DocumentService.get_tenant_id(doc_id)
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if not tenant_id:
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return get_data_error_result(message="Tenant not found!")
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if not DocumentService.remove_document(doc, tenant_id):
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return get_data_error_result(
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message="Database error (Document removal)!")
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File2DocumentService.delete_by_file_id(id)
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# insert
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for kb_id in kb_ids:
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e, kb = KnowledgebaseService.get_by_id(kb_id)
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if not e:
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return get_data_error_result(
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message="Can't find this knowledgebase!")
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e, file = FileService.get_by_id(id)
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if not e:
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return get_data_error_result(
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message="Can't find this file!")
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doc = DocumentService.insert({
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"id": get_uuid(),
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"kb_id": kb.id,
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"parser_id": FileService.get_parser(file.type, file.name, kb.parser_id),
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"parser_config": kb.parser_config,
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"created_by": current_user.id,
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"type": file.type,
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"name": file.name,
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"suffix": Path(file.name).suffix.lstrip("."),
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"location": file.location,
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"size": file.size
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})
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file2document = File2DocumentService.insert({
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"id": get_uuid(),
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"file_id": id,
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"document_id": doc.id,
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})
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file2documents.append(file2document.to_json())
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return get_json_result(data=file2documents)
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except Exception as e:
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return server_error_response(e)
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@router.post('/rm')
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async def rm(
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req: RemoveFile2DocumentRequest,
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current_user = Depends(get_current_user)
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):
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file_ids = req.file_ids
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if not file_ids:
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return get_json_result(
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data=False, message='Lack of "Files ID"', code=settings.RetCode.ARGUMENT_ERROR)
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try:
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for file_id in file_ids:
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informs = File2DocumentService.get_by_file_id(file_id)
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if not informs:
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return get_data_error_result(message="Inform not found!")
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for inform in informs:
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if not inform:
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return get_data_error_result(message="Inform not found!")
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File2DocumentService.delete_by_file_id(file_id)
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doc_id = inform.document_id
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e, doc = DocumentService.get_by_id(doc_id)
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if not e:
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return get_data_error_result(message="Document not found!")
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tenant_id = DocumentService.get_tenant_id(doc_id)
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if not tenant_id:
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return get_data_error_result(message="Tenant not found!")
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if not DocumentService.remove_document(doc, tenant_id):
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return get_data_error_result(
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message="Database error (Document removal)!")
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return get_json_result(data=True)
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except Exception as e:
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return server_error_response(e)
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