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chore: import upstream snapshot with attribution
2026-07-13 13:02:24 +08:00

35 lines
1.0 KiB
Python

from cognee.infrastructure.databases.vector import get_vector_engine_async
from cognee.modules.chunking import DocumentChunk
async def has_new_chunks(
data_chunks: list[DocumentChunk], collection_name: str
) -> list[DocumentChunk]:
vector_engine = await get_vector_engine_async()
if not await vector_engine.has_collection(collection_name):
# There is no collection created,
# so no existing chunks, all chunks are new.
return True
existing_chunks = await vector_engine.retrieve(
collection_name,
[str(chunk.chunk_id) for chunk in data_chunks],
)
if len(existing_chunks) == 0:
# If we don't find any existing chunk,
# all chunks are new.
return True
existing_chunks_map = {chunk.id: chunk.payload for chunk in existing_chunks}
new_data_chunks = [
chunk
for chunk in data_chunks
if chunk.chunk_id not in existing_chunks_map
or chunk.text != existing_chunks_map[chunk.chunk_id]["text"]
]
return len(new_data_chunks) > 0