mirror of
https://github.com/hwchase17/langchain
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52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
import os
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from langchain.document_loaders import JSONLoader
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from langchain.embeddings import OpenAIEmbeddings
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain.vectorstores import ElasticsearchStore
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ELASTIC_CLOUD_ID = os.getenv("ELASTIC_CLOUD_ID")
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ELASTIC_USERNAME = os.getenv("ELASTIC_USERNAME", "elastic")
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ELASTIC_PASSWORD = os.getenv("ELASTIC_PASSWORD")
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ES_URL = os.getenv("ES_URL", "http://localhost:9200")
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ELASTIC_INDEX_NAME = os.getenv("ELASTIC_INDEX_NAME", "workspace-search-example")
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def _metadata_func(record: dict, metadata: dict) -> dict:
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metadata["name"] = record.get("name")
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metadata["summary"] = record.get("summary")
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metadata["url"] = record.get("url")
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# give more descriptive name for metadata filtering.
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metadata["location"] = record.get("category")
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metadata["updated_at"] = record.get("updated_at")
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metadata["created_on"] = record.get("created_on")
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return metadata
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loader = JSONLoader(
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file_path="./data/documents.json",
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jq_schema=".[]",
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content_key="content",
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metadata_func=_metadata_func,
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)
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text_splitter = RecursiveCharacterTextSplitter(chunk_size=800, chunk_overlap=250)
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documents = text_splitter.split_documents(loader.load())
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if ELASTIC_CLOUD_ID and ELASTIC_USERNAME and ELASTIC_PASSWORD:
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es_connection_details = {
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"es_cloud_id": ELASTIC_CLOUD_ID,
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"es_user": ELASTIC_USERNAME,
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"es_password": ELASTIC_PASSWORD,
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}
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else:
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es_connection_details = {"es_url": ES_URL}
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vecstore = ElasticsearchStore(
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ELASTIC_INDEX_NAME,
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embedding=OpenAIEmbeddings(),
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**es_connection_details,
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)
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vecstore.add_documents(documents)
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