mirror of
				https://github.com/langgenius/dify.git
				synced 2025-10-27 00:48:43 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			96 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import datetime
 | |
| import logging
 | |
| import time
 | |
| from typing import Optional
 | |
| 
 | |
| import click
 | |
| from celery import shared_task  # type: ignore
 | |
| from werkzeug.exceptions import NotFound
 | |
| 
 | |
| from core.rag.index_processor.index_processor_factory import IndexProcessorFactory
 | |
| from core.rag.models.document import Document
 | |
| from extensions.ext_database import db
 | |
| from extensions.ext_redis import redis_client
 | |
| from models.dataset import DocumentSegment
 | |
| 
 | |
| 
 | |
| @shared_task(queue="dataset")
 | |
| def create_segment_to_index_task(segment_id: str, keywords: Optional[list[str]] = None):
 | |
|     """
 | |
|     Async create segment to index
 | |
|     :param segment_id:
 | |
|     :param keywords:
 | |
|     Usage: create_segment_to_index_task.delay(segment_id)
 | |
|     """
 | |
|     logging.info(click.style("Start create segment to index: {}".format(segment_id), fg="green"))
 | |
|     start_at = time.perf_counter()
 | |
| 
 | |
|     segment = db.session.query(DocumentSegment).filter(DocumentSegment.id == segment_id).first()
 | |
|     if not segment:
 | |
|         raise NotFound("Segment not found")
 | |
| 
 | |
|     if segment.status != "waiting":
 | |
|         return
 | |
| 
 | |
|     indexing_cache_key = "segment_{}_indexing".format(segment.id)
 | |
| 
 | |
|     try:
 | |
|         # update segment status to indexing
 | |
|         update_params = {
 | |
|             DocumentSegment.status: "indexing",
 | |
|             DocumentSegment.indexing_at: datetime.datetime.now(datetime.UTC).replace(tzinfo=None),
 | |
|         }
 | |
|         DocumentSegment.query.filter_by(id=segment.id).update(update_params)
 | |
|         db.session.commit()
 | |
|         document = Document(
 | |
|             page_content=segment.content,
 | |
|             metadata={
 | |
|                 "doc_id": segment.index_node_id,
 | |
|                 "doc_hash": segment.index_node_hash,
 | |
|                 "document_id": segment.document_id,
 | |
|                 "dataset_id": segment.dataset_id,
 | |
|             },
 | |
|         )
 | |
| 
 | |
|         dataset = segment.dataset
 | |
| 
 | |
|         if not dataset:
 | |
|             logging.info(click.style("Segment {} has no dataset, pass.".format(segment.id), fg="cyan"))
 | |
|             return
 | |
| 
 | |
|         dataset_document = segment.document
 | |
| 
 | |
|         if not dataset_document:
 | |
|             logging.info(click.style("Segment {} has no document, pass.".format(segment.id), fg="cyan"))
 | |
|             return
 | |
| 
 | |
|         if not dataset_document.enabled or dataset_document.archived or dataset_document.indexing_status != "completed":
 | |
|             logging.info(click.style("Segment {} document status is invalid, pass.".format(segment.id), fg="cyan"))
 | |
|             return
 | |
| 
 | |
|         index_type = dataset.doc_form
 | |
|         index_processor = IndexProcessorFactory(index_type).init_index_processor()
 | |
|         index_processor.load(dataset, [document])
 | |
| 
 | |
|         # update segment to completed
 | |
|         update_params = {
 | |
|             DocumentSegment.status: "completed",
 | |
|             DocumentSegment.completed_at: datetime.datetime.now(datetime.UTC).replace(tzinfo=None),
 | |
|         }
 | |
|         DocumentSegment.query.filter_by(id=segment.id).update(update_params)
 | |
|         db.session.commit()
 | |
| 
 | |
|         end_at = time.perf_counter()
 | |
|         logging.info(
 | |
|             click.style("Segment created to index: {} latency: {}".format(segment.id, end_at - start_at), fg="green")
 | |
|         )
 | |
|     except Exception as e:
 | |
|         logging.exception("create segment to index failed")
 | |
|         segment.enabled = False
 | |
|         segment.disabled_at = datetime.datetime.now(datetime.UTC).replace(tzinfo=None)
 | |
|         segment.status = "error"
 | |
|         segment.error = str(e)
 | |
|         db.session.commit()
 | |
|     finally:
 | |
|         redis_client.delete(indexing_cache_key)
 | 
