File size: 3,485 Bytes
a8b3f00 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 |
import datetime
import logging
import time
from typing import Optional
import click
from celery import shared_task
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.timezone.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.timezone.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.timezone.utc).replace(tzinfo=None)
segment.status = "error"
segment.error = str(e)
db.session.commit()
finally:
redis_client.delete(indexing_cache_key)
|