Files
crewAI/src/crewai/knowledge/source/string_knowledge_source.py
Brandon Hancock (bhancock_ai) c7c0647dd2 drop metadata requirement (#1712)
* drop metadata requirement

* fix linting

* Update docs for new knowledge

* more linting

* more linting

* make save_documents private

* update docs to the new way we use knowledge and include clearing memory
2024-12-05 14:59:52 -05:00

35 lines
1.2 KiB
Python

from typing import List, Optional
from pydantic import Field
from crewai.knowledge.source.base_knowledge_source import BaseKnowledgeSource
class StringKnowledgeSource(BaseKnowledgeSource):
"""A knowledge source that stores and queries plain text content using embeddings."""
content: str = Field(...)
collection_name: Optional[str] = Field(default=None)
def model_post_init(self, _):
"""Post-initialization method to validate content."""
self.load_content()
def load_content(self):
"""Validate string content."""
if not isinstance(self.content, str):
raise ValueError("StringKnowledgeSource only accepts string content")
def add(self) -> None:
"""Add string content to the knowledge source, chunk it, compute embeddings, and save them."""
new_chunks = self._chunk_text(self.content)
self.chunks.extend(new_chunks)
self._save_documents()
def _chunk_text(self, text: str) -> List[str]:
"""Utility method to split text into chunks."""
return [
text[i : i + self.chunk_size]
for i in range(0, len(text), self.chunk_size - self.chunk_overlap)
]