mirror of
https://github.com/hwchase17/langchain
synced 2024-11-04 06:00:26 +00:00
cca0167917
Follow up on https://github.com/langchain-ai/langchain/pull/17467. - Update all references to the Elasticsearch classes to use the partners package. - Deprecate community classes. --------- Co-authored-by: Bagatur <baskaryan@gmail.com>
52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
import os
|
|
|
|
from langchain_community.document_loaders import JSONLoader
|
|
from langchain_community.embeddings import OpenAIEmbeddings
|
|
from langchain_elasticsearch import ElasticsearchStore
|
|
from langchain_text_splitters import RecursiveCharacterTextSplitter
|
|
|
|
ELASTIC_CLOUD_ID = os.getenv("ELASTIC_CLOUD_ID")
|
|
ELASTIC_USERNAME = os.getenv("ELASTIC_USERNAME", "elastic")
|
|
ELASTIC_PASSWORD = os.getenv("ELASTIC_PASSWORD")
|
|
ES_URL = os.getenv("ES_URL", "http://localhost:9200")
|
|
ELASTIC_INDEX_NAME = os.getenv("ELASTIC_INDEX_NAME", "workspace-search-example")
|
|
|
|
|
|
def _metadata_func(record: dict, metadata: dict) -> dict:
|
|
metadata["name"] = record.get("name")
|
|
metadata["summary"] = record.get("summary")
|
|
metadata["url"] = record.get("url")
|
|
# give more descriptive name for metadata filtering.
|
|
metadata["location"] = record.get("category")
|
|
metadata["updated_at"] = record.get("updated_at")
|
|
metadata["created_on"] = record.get("created_on")
|
|
|
|
return metadata
|
|
|
|
|
|
loader = JSONLoader(
|
|
file_path="./data/documents.json",
|
|
jq_schema=".[]",
|
|
content_key="content",
|
|
metadata_func=_metadata_func,
|
|
)
|
|
|
|
text_splitter = RecursiveCharacterTextSplitter(chunk_size=800, chunk_overlap=250)
|
|
documents = text_splitter.split_documents(loader.load())
|
|
|
|
if ELASTIC_CLOUD_ID and ELASTIC_USERNAME and ELASTIC_PASSWORD:
|
|
es_connection_details = {
|
|
"es_cloud_id": ELASTIC_CLOUD_ID,
|
|
"es_user": ELASTIC_USERNAME,
|
|
"es_password": ELASTIC_PASSWORD,
|
|
}
|
|
else:
|
|
es_connection_details = {"es_url": ES_URL}
|
|
|
|
vecstore = ElasticsearchStore(
|
|
ELASTIC_INDEX_NAME,
|
|
embedding=OpenAIEmbeddings(),
|
|
**es_connection_details,
|
|
)
|
|
vecstore.add_documents(documents)
|