dify/api/tasks/disable_segment_from_index_task.py

69 lines
2.3 KiB
Python

import logging
import time
import click
from celery import shared_task
from werkzeug.exceptions import NotFound
from core.index.index import IndexBuilder
from extensions.ext_database import db
from extensions.ext_redis import redis_client
from models.dataset import DocumentSegment
@shared_task(queue='dataset')
def disable_segment_from_index_task(segment_id: str):
"""
Async disable segment from index
:param segment_id:
Usage: disable_segment_from_index_task.delay(segment_id)
"""
logging.info(click.style('Start disable segment from 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 != 'completed':
raise NotFound('Segment is not completed , disable action is not allowed.')
indexing_cache_key = 'segment_{}_indexing'.format(segment.id)
try:
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
vector_index = IndexBuilder.get_index(dataset, 'high_quality')
kw_index = IndexBuilder.get_index(dataset, 'economy')
# delete from vector index
if vector_index:
vector_index.delete_by_ids([segment.index_node_id])
# delete from keyword index
kw_index.delete_by_ids([segment.index_node_id])
end_at = time.perf_counter()
logging.info(click.style('Segment removed from index: {} latency: {}'.format(segment.id, end_at - start_at), fg='green'))
except Exception:
logging.exception("remove segment from index failed")
segment.enabled = True
db.session.commit()
finally:
redis_client.delete(indexing_cache_key)