dify/api/tasks/document_indexing_task.py

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import datetime
import logging
import time
import click
from celery import shared_task
from werkzeug.exceptions import NotFound
from core.indexing_runner import IndexingRunner, DocumentIsPausedException
from extensions.ext_database import db
from models.dataset import Document
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@shared_task(queue='dataset')
def document_indexing_task(dataset_id: str, document_ids: list):
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"""
Async process document
:param dataset_id:
:param document_ids:
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Usage: document_indexing_task.delay(dataset_id, document_id)
"""
documents = []
start_at = time.perf_counter()
for document_id in document_ids:
logging.info(click.style('Start process document: {}'.format(document_id), fg='green'))
document = db.session.query(Document).filter(
Document.id == document_id,
Document.dataset_id == dataset_id
).first()
if document:
document.indexing_status = 'parsing'
document.processing_started_at = datetime.datetime.utcnow()
documents.append(document)
db.session.add(document)
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db.session.commit()
try:
indexing_runner = IndexingRunner()
indexing_runner.run(documents)
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end_at = time.perf_counter()
logging.info(click.style('Processed dataset: {} latency: {}'.format(dataset_id, end_at - start_at), fg='green'))
except DocumentIsPausedException as ex:
logging.info(click.style(str(ex), fg='yellow'))
except Exception:
pass