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