46c4463cb2
<!-- .github/pull_request_template.md --> ## Description <!-- Provide a clear description of the changes in this PR --> ## DCO Affirmation I affirm that all code in every commit of this pull request conforms to the terms of the Topoteretes Developer Certificate of Origin. --------- Co-authored-by: vasilije <vas.markovic@gmail.com> Co-authored-by: Vasilije <8619304+Vasilije1990@users.noreply.github.com>
78 lines
3.3 KiB
Python
78 lines
3.3 KiB
Python
from cognee.shared.logging_utils import get_logger
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from uuid import NAMESPACE_OID, uuid5
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from cognee.tasks.chunks import chunk_by_paragraph
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from cognee.modules.chunking.Chunker import Chunker
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from .models.DocumentChunk import DocumentChunk
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logger = get_logger()
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class TextChunker(Chunker):
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async def read(self):
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paragraph_chunks = []
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async for content_text in self.get_text():
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for chunk_data in chunk_by_paragraph(
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content_text,
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self.max_chunk_size,
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batch_paragraphs=True,
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):
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if self.chunk_size + chunk_data["chunk_size"] <= self.max_chunk_size:
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paragraph_chunks.append(chunk_data)
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self.chunk_size += chunk_data["chunk_size"]
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else:
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if len(paragraph_chunks) == 0:
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yield DocumentChunk(
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id=chunk_data["chunk_id"],
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text=chunk_data["text"],
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chunk_size=chunk_data["chunk_size"],
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is_part_of=self.document,
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chunk_index=self.chunk_index,
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cut_type=chunk_data["cut_type"],
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contains=[],
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metadata={
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"index_fields": ["text"],
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},
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)
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paragraph_chunks = []
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self.chunk_size = 0
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else:
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chunk_text = " ".join(chunk["text"] for chunk in paragraph_chunks)
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try:
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yield DocumentChunk(
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id=uuid5(
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NAMESPACE_OID, f"{str(self.document.id)}-{self.chunk_index}"
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),
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text=chunk_text,
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chunk_size=self.chunk_size,
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is_part_of=self.document,
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chunk_index=self.chunk_index,
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cut_type=paragraph_chunks[len(paragraph_chunks) - 1]["cut_type"],
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contains=[],
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metadata={
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"index_fields": ["text"],
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},
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)
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except Exception as e:
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logger.error(e)
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raise e
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paragraph_chunks = [chunk_data]
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self.chunk_size = chunk_data["chunk_size"]
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self.chunk_index += 1
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if len(paragraph_chunks) > 0:
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try:
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yield DocumentChunk(
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id=uuid5(NAMESPACE_OID, f"{str(self.document.id)}-{self.chunk_index}"),
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text=" ".join(chunk["text"] for chunk in paragraph_chunks),
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chunk_size=self.chunk_size,
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is_part_of=self.document,
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chunk_index=self.chunk_index,
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cut_type=paragraph_chunks[len(paragraph_chunks) - 1]["cut_type"],
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contains=[],
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metadata={"index_fields": ["text"]},
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)
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except Exception as e:
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logger.error(e)
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raise e
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