llama-stack/llama_stack/cli/stack/list_providers.py
Yuan Tang 3f9764d50c
fix: List providers command prints out non-existing APIs from registry. Fixes #966 (#969)
Fixes #966.

Verified that:
1. Correct list of APIs are printed out when running `llama stack
list-providers`
2. `llama stack list-providers <api>` works as expected.

---------

Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>
2025-02-07 09:02:15 -08:00

62 lines
2 KiB
Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
import argparse
from llama_stack.cli.subcommand import Subcommand
class StackListProviders(Subcommand):
def __init__(self, subparsers: argparse._SubParsersAction):
super().__init__()
self.parser = subparsers.add_parser(
"list-providers",
prog="llama stack list-providers",
description="Show available Llama Stack Providers for an API",
formatter_class=argparse.RawTextHelpFormatter,
)
self._add_arguments()
self.parser.set_defaults(func=self._run_providers_list_cmd)
def _add_arguments(self):
from llama_stack.distribution.distribution import providable_apis
api_values = [api.value for api in providable_apis()]
self.parser.add_argument(
"api",
type=str,
choices=api_values,
help="API to list providers for (one of: {})".format(api_values),
)
def _run_providers_list_cmd(self, args: argparse.Namespace) -> None:
from llama_stack.cli.table import print_table
from llama_stack.distribution.distribution import Api, get_provider_registry
all_providers = get_provider_registry()
providers_for_api = all_providers[Api(args.api)]
# eventually, this should query a registry at llama.meta.com/llamastack/distributions
headers = [
"Provider Type",
"PIP Package Dependencies",
]
rows = []
for spec in providers_for_api.values():
if spec.provider_type == "sample":
continue
rows.append(
[
spec.provider_type,
",".join(spec.pip_packages),
]
)
print_table(
rows,
headers,
separate_rows=True,
)