dify/api/tasks/disable_segment_from_index_task.py

65 lines
2.2 KiB
Python

import logging
import time
import click
from celery import shared_task
from werkzeug.exceptions import NotFound
from core.rag.index_processor.index_processor_factory import IndexProcessorFactory
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
index_type = dataset_document.doc_form
index_processor = IndexProcessorFactory(index_type).init_index_processor()
index_processor.clean(dataset, [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)