open-webui/backend/open_webui/__init__.py
2024-05-20 16:34:37 +08:00

61 lines
1.7 KiB
Python

import base64
import os
import random
from pathlib import Path
import typer
import uvicorn
app = typer.Typer()
KEY_FILE = Path.cwd() / ".webui_secret_key"
if (frontend_build_dir := Path(__file__).parent / "frontend").exists():
os.environ["FRONTEND_BUILD_DIR"] = str(frontend_build_dir)
@app.command()
def serve(
host: str = "0.0.0.0",
port: int = 8080,
):
if os.getenv("WEBUI_SECRET_KEY") is None:
typer.echo(
"Loading WEBUI_SECRET_KEY from file, not provided as an environment variable."
)
if not KEY_FILE.exists():
typer.echo(f"Generating a new secret key and saving it to {KEY_FILE}")
KEY_FILE.write_bytes(base64.b64encode(random.randbytes(12)))
typer.echo(f"Loading WEBUI_SECRET_KEY from {KEY_FILE}")
os.environ["WEBUI_SECRET_KEY"] = KEY_FILE.read_text()
if os.getenv("USE_CUDA_DOCKER", "false") == "true":
typer.echo(
"CUDA is enabled, appending LD_LIBRARY_PATH to include torch/cudnn & cublas libraries."
)
LD_LIBRARY_PATH = os.getenv("LD_LIBRARY_PATH", "").split(":")
os.environ["LD_LIBRARY_PATH"] = ":".join(
LD_LIBRARY_PATH
+ [
"/usr/local/lib/python3.11/site-packages/torch/lib",
"/usr/local/lib/python3.11/site-packages/nvidia/cudnn/lib",
]
)
import main # we need set environment variables before importing main
uvicorn.run(main.app, host=host, port=port, forwarded_allow_ips="*")
@app.command()
def dev(
host: str = "0.0.0.0",
port: int = 8080,
reload: bool = True,
):
uvicorn.run(
"main:app", host=host, port=port, reload=reload, forwarded_allow_ips="*"
)
if __name__ == "__main__":
app()