llama-stack/llama_toolchain/distribution/distribution.py

85 lines
2.7 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 inspect
from typing import Dict, List
from llama_toolchain.agentic_system.api.endpoints import AgenticSystem
from llama_toolchain.agentic_system.providers import available_agentic_system_providers
from llama_toolchain.inference.api.endpoints import Inference
from llama_toolchain.inference.providers import available_inference_providers
from llama_toolchain.safety.api.endpoints import Safety
from llama_toolchain.safety.providers import available_safety_providers
from .datatypes import (
Api,
ApiEndpoint,
DistributionSpec,
InlineProviderSpec,
ProviderSpec,
)
# These are the dependencies needed by the distribution server.
# `llama-toolchain` is automatically installed by the installation script.
SERVER_DEPENDENCIES = [
"fastapi",
"uvicorn",
]
def distribution_dependencies(distribution: DistributionSpec) -> List[str]:
# only consider InlineProviderSpecs when calculating dependencies
return [
dep
for provider_spec in distribution.provider_specs.values()
if isinstance(provider_spec, InlineProviderSpec)
for dep in provider_spec.pip_packages
] + SERVER_DEPENDENCIES
def api_endpoints() -> Dict[Api, List[ApiEndpoint]]:
apis = {}
protocols = {
Api.inference: Inference,
Api.safety: Safety,
Api.agentic_system: AgenticSystem,
}
for api, protocol in protocols.items():
endpoints = []
protocol_methods = inspect.getmembers(protocol, predicate=inspect.isfunction)
for name, method in protocol_methods:
if not hasattr(method, "__webmethod__"):
continue
webmethod = method.__webmethod__
route = webmethod.route
# use `post` for all methods right now until we fix up the `webmethod` openapi
# annotation and write our own openapi generator
endpoints.append(ApiEndpoint(route=route, method="post", name=name))
apis[api] = endpoints
return apis
def api_providers() -> Dict[Api, Dict[str, ProviderSpec]]:
inference_providers_by_id = {
a.provider_id: a for a in available_inference_providers()
}
safety_providers_by_id = {a.provider_id: a for a in available_safety_providers()}
agentic_system_providers_by_id = {
a.provider_id: a for a in available_agentic_system_providers()
}
return {
Api.inference: inference_providers_by_id,
Api.safety: safety_providers_by_id,
Api.agentic_system: agentic_system_providers_by_id,
}