utils
#
Various Utility Functions
Tools for handling bson.ObjectId
The help IDs live as ObjectId in MongoDB and str in Langchain and JSON.
Tools for the Maximal Marginal Relevance (MMR) reranking
These are duplicated from langchain_community to avoid cross-dependencies.
Functions “maximal_marginal_relevance” and “cosine_similarity” are duplicated in this utility respectively from modules:
“libs/community/langchain_community/vectorstores/utils.py”
“libs/community/langchain_community/utils/math.py”
Functions
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Row-wise cosine similarity between two equal-width matrices. |
Recursively cast values in a dict to a form able to json.dump |
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Compute Maximal Marginal Relevance (MMR). |
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Convert MongoDB's internal BSON ObjectId into a simple str for compatibility. |
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Attempt to cast string representation of id to MongoDB's internal BSON ObjectId. |