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

46 lines
1.7 KiB
Python

from typing import List, Union, Optional
from cognee.infrastructure.engine import DataPoint
from cognee.infrastructure.engine.models.Edge import Edge
from cognee.modules.data.processing.document_types import Document
from cognee.modules.engine.models import Entity
from cognee.tasks.temporal_graph.models import Event
class DocumentChunk(DataPoint):
"""
Represents a chunk of text from a document with associated metadata.
Public methods include:
- No public methods defined in the provided code.
Instance variables include:
- text: The textual content of the chunk.
- chunk_size: The size of the chunk.
- chunk_index: The index of the chunk in the original document.
- cut_type: The type of cut that defined this chunk.
- is_part_of: The document to which this chunk belongs.
- contains: A list of entities or events contained within the chunk (default is None).
- document_id: Flat string id of the source document, for reference rendering.
- document_name: Display name (basename) of the source document, for reference rendering.
- metadata: A dictionary to hold meta information related to the chunk, including index
fields.
"""
text: str
chunk_size: int
chunk_index: int
cut_type: str
is_part_of: Document
contains: List[Union[Entity, Event, tuple[Edge, Entity]]] = None
importance_weight: Optional[float] = 0.5
document_id: Optional[str] = None
document_name: Optional[str] = None
# Optional truth-alignment fields; never embedded (kept out of index_fields)
# and not part of id/dedup.
truth_alignment: Optional[list[float]] = None
truth_epoch: Optional[int] = None
metadata: dict = {"index_fields": ["text"]}