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onyx/backend/danswer/document_set/document_set.py
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Python

from typing import cast
from sqlalchemy.orm import Session
from danswer.datastores.document_index import get_default_document_index
from danswer.datastores.interfaces import DocumentIndex
from danswer.datastores.interfaces import UpdateRequest
from danswer.db.document import prepare_to_modify_documents
from danswer.db.document_set import delete_document_set
from danswer.db.document_set import fetch_document_sets_for_documents
from danswer.db.document_set import fetch_documents_for_document_set
from danswer.db.document_set import get_document_set_by_id
from danswer.db.document_set import mark_document_set_as_synced
from danswer.db.engine import get_sqlalchemy_engine
from danswer.db.models import DocumentSet
from danswer.utils.batching import batch_generator
from danswer.utils.logger import setup_logger
logger = setup_logger()
_SYNC_BATCH_SIZE = 1000
def _sync_document_batch(
document_ids: list[str], document_index: DocumentIndex
) -> None:
logger.debug(f"Syncing document sets for: {document_ids}")
# begin a transaction, release lock at the end
with Session(get_sqlalchemy_engine()) as db_session:
# acquires a lock on the documents so that no other process can modify them
prepare_to_modify_documents(db_session=db_session, document_ids=document_ids)
# get current state of document sets for these documents
document_set_map = {
document_id: document_sets
for document_id, document_sets in fetch_document_sets_for_documents(
document_ids=document_ids, db_session=db_session
)
}
# update Vespa
document_index.update(
update_requests=[
UpdateRequest(
document_ids=[document_id],
document_sets=set(document_set_map.get(document_id, [])),
)
for document_id in document_ids
]
)
def sync_document_set(document_set_id: int) -> None:
document_index = get_default_document_index()
with Session(get_sqlalchemy_engine()) as db_session:
documents_to_update = fetch_documents_for_document_set(
document_set_id=document_set_id,
db_session=db_session,
current_only=False,
)
for document_batch in batch_generator(documents_to_update, _SYNC_BATCH_SIZE):
_sync_document_batch(
document_ids=[document.id for document in document_batch],
document_index=document_index,
)
# if there are no connectors, then delete the document set. Otherwise, just
# mark it as successfully synced.
document_set = cast(
DocumentSet,
get_document_set_by_id(
db_session=db_session, document_set_id=document_set_id
),
) # casting since we "know" a document set with this ID exists
if not document_set.connector_credential_pairs:
delete_document_set(document_set_row=document_set, db_session=db_session)
logger.info(
f"Successfully deleted document set with ID: '{document_set_id}'!"
)
else:
mark_document_set_as_synced(
document_set_id=document_set_id, db_session=db_session
)
logger.info(f"Document set sync for '{document_set_id}' complete!")