llama-stack/llama_toolchain/cli/stack/build.py

133 lines
4.4 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_toolchain.cli.subcommand import Subcommand
from llama_toolchain.core.datatypes import * # noqa: F403
def parse_api_provider_tuples(
tuples: str, parser: argparse.ArgumentParser
) -> Dict[str, ProviderSpec]:
from llama_toolchain.core.distribution import api_providers
all_providers = api_providers()
deps = {}
for dep in tuples.split(","):
dep = dep.strip()
if not dep:
continue
api_str, provider = dep.split("=")
api = Api(api_str)
provider = provider.strip()
if provider not in all_providers[api]:
parser.error(f"Provider `{provider}` is not available for API `{api}`")
return
deps[api] = all_providers[api][provider]
return deps
class StackBuild(Subcommand):
def __init__(self, subparsers: argparse._SubParsersAction):
super().__init__()
self.parser = subparsers.add_parser(
"build",
prog="llama stack build",
description="Build a Llama stack container",
formatter_class=argparse.RawTextHelpFormatter,
)
self._add_arguments()
self.parser.set_defaults(func=self._run_stack_build_command)
def _add_arguments(self):
from llama_toolchain.core.distribution_registry import available_distribution_specs
from llama_toolchain.core.package import (
BuildType,
)
allowed_ids = [d.distribution_type for d in available_distribution_specs()]
self.parser.add_argument(
"distribution",
type=str,
help="Distribution to build (either \"adhoc\" OR one of: {})".format(allowed_ids),
)
self.parser.add_argument(
"api_providers",
nargs='?',
help="Comma separated list of (api=provider) tuples",
)
self.parser.add_argument(
"--name",
type=str,
help="Name of the build target (image, conda env)",
required=True,
)
self.parser.add_argument(
"--type",
type=str,
default="conda_env",
choices=[v.value for v in BuildType],
)
def _run_stack_build_command(self, args: argparse.Namespace) -> None:
from llama_toolchain.core.distribution_registry import resolve_distribution_spec
from llama_toolchain.core.package import (
ApiInput,
BuildType,
build_package,
)
api_inputs = []
if args.distribution == "adhoc":
if not args.api_providers:
self.parser.error("You must specify API providers with (api=provider,...) for building an adhoc distribution")
return
parsed = parse_api_provider_tuples(args.api_providers, self.parser)
for api, provider_spec in parsed.items():
for dep in provider_spec.api_dependencies:
if dep not in parsed:
self.parser.error(f"API {api} needs dependency {dep} provided also")
return
api_inputs.append(
ApiInput(
api=api,
provider=provider_spec.provider_type,
)
)
docker_image = None
else:
if args.api_providers:
self.parser.error("You cannot specify API providers for pre-registered distributions")
return
dist = resolve_distribution_spec(args.distribution)
if dist is None:
self.parser.error(f"Could not find distribution {args.distribution}")
return
for api, provider_type in dist.providers.items():
api_inputs.append(
ApiInput(
api=api,
provider=provider_type,
)
)
docker_image = dist.docker_image
build_package(
api_inputs,
build_type=BuildType(args.type),
name=args.name,
distribution_type=args.distribution,
docker_image=docker_image,
)