langchain/libs/cli/langchain_cli/cli.py
Erick Friis 4db8d82c55
CLI CI 2 (#12387)
Will run all CI because of _test change, but future PRs against CLI will
only trigger the new CLI one

Has a bunch of file changes related to formatting/linting.

No mypy yet - coming soon
2023-10-26 17:01:31 -07:00

37 lines
913 B
Python

import subprocess
from typing import Optional
import typer
from typing_extensions import Annotated
from langchain_cli.namespaces import hub, serve
app = typer.Typer(no_args_is_help=True, add_completion=False)
app.add_typer(hub.hub, name="hub", help=hub.__doc__)
app.add_typer(serve.serve, name="serve", help=serve.__doc__)
@app.command()
def start(
*,
port: Annotated[
Optional[int], typer.Option(help="The port to run the server on")
] = None,
host: Annotated[
Optional[str], typer.Option(help="The host to run the server on")
] = None,
) -> None:
"""
Start the LangServe instance, whether it's a hub package or a serve project.
"""
cmd = ["poetry", "run", "poe", "start"]
if port is not None:
cmd += ["--port", str(port)]
if host is not None:
cmd += ["--host", host]
subprocess.run(cmd)
if __name__ == "__main__":
app()