mirror of
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.. | ||
langchain_cli | ||
tests | ||
.gitignore | ||
DOCS.md | ||
Makefile | ||
poetry.lock | ||
pyproject.toml | ||
README.md |
langchain-cli
Install CLI
pip install -U --pre langchain-cli
Create new langchain app
langchain serve new my-app
Go into app
cd my-app
Install a package
langchain serve add extraction-openai-functions
Install langserve
pip install "langserve[all]"
Install the langchain package
pip install -e packages/extraction-openai-functions
Edit app/server.py
to add that package to the routes
from fastapi import FastAPI
from langserve import add_routes
from extraction_summary.chain import chain
app = FastAPI()
add_routes(app, chain)
Set env vars
export OPENAI_API_KEY=...
export LANGCHAIN_TRACING_V2=true
export LANGCHAIN_ENDPOINT="https://api.smith.langchain.com"
export LANGCHAIN_API_KEY="<your-api-key>"
export LANGCHAIN_PROJECT="extraction-openai-functions"
Run the app
python app/server.py