mirror of
https://github.com/meta-llama/llama-stack.git
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87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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import argparse
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import shlex
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from pathlib import Path
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import yaml
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from llama_toolchain.cli.subcommand import Subcommand
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from llama_toolchain.distribution.registry import resolve_distribution
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from llama_toolchain.distribution.server import main as distribution_server_init
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from llama_toolchain.utils import DISTRIBS_BASE_DIR
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from .utils import run_command
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class DistributionStart(Subcommand):
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def __init__(self, subparsers: argparse._SubParsersAction):
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super().__init__()
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self.parser = subparsers.add_parser(
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"start",
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prog="llama distribution start",
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description="""start the server for a Llama stack distribution. you should have already installed and configured the distribution""",
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formatter_class=argparse.RawTextHelpFormatter,
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)
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self._add_arguments()
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self.parser.set_defaults(func=self._run_distribution_start_cmd)
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def _add_arguments(self):
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self.parser.add_argument(
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"--name",
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type=str,
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help="Name of the distribution to start",
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required=True,
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)
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self.parser.add_argument(
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"--port",
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type=int,
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help="Port to run the server on. Defaults to 5000",
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default=5000,
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)
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self.parser.add_argument(
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"--disable-ipv6",
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action="store_true",
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help="Disable IPv6 support",
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default=False,
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)
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def _run_distribution_start_cmd(self, args: argparse.Namespace) -> None:
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dist = resolve_distribution(args.name)
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if dist is None:
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self.parser.error(f"Distribution with name {args.name} not found")
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return
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config_yaml = Path(DISTRIBS_BASE_DIR) / dist.name / "config.yaml"
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if not config_yaml.exists():
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raise ValueError(
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f"Configuration {config_yaml} does not exist. Please run `llama distribution install` or `llama distribution configure` first"
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)
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with open(config_yaml, "r") as fp:
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config = yaml.safe_load(fp)
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conda_env = config["conda_env"]
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python_exe = run_command(shlex.split("which python"))
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# simple check, unfortunate
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if conda_env not in python_exe:
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raise ValueError(
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f"Please re-run start after activating the `{conda_env}` conda environment first"
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)
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distribution_server_init(
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dist.name,
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config_yaml,
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args.port,
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disable_ipv6=args.disable_ipv6,
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)
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# run_with_pty(
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# shlex.split(
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# f"conda run -n {conda_env} python -m llama_toolchain.distribution.server {dist.name} {config_yaml} --port 5000"
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# )
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# )
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