llama-stack-mirror/llama_stack/schema_utils.py
Charlie Doern c88c4ff2c6
feat: introduce API leveling, post_training, eval to v1alpha (#3449)
# What does this PR do?

Rather than have a single `LLAMA_STACK_VERSION`, we need to have a
`_V1`, `_V1ALPHA`, and `_V1BETA` constant.

This also necessitated addition of `level` to the `WebMethod` so that
routing can be handeled properly.


For backwards compat, the `v1` routes are being kept around and marked
as `deprecated`. When used, the server will log a deprecation warning.

Deprecation log:

<img width="1224" height="134" alt="Screenshot 2025-09-25 at 2 43 36 PM"
src="https://github.com/user-attachments/assets/0cc7c245-dafc-48f0-be99-269fb9a686f9"
/>

move:
1. post_training to `v1alpha` as it is under heavy development and not
near its final state
2. eval: job scheduling is not implemented. Relies heavily on the
datasetio API which is under development missing implementations of
specific routes indicating the structure of those routes might change.
Additionally eval depends on the `inference` API which is going to be
deprecated, eval will likely need a major API surface change to conform
to using completions properly

implements leveling in #3317 

note: integration tests will fail until the SDK is regenerated with
v1alpha/inference as opposed to v1/inference

## Test Plan

existing tests should pass with newly generated schema. Conformance will
also pass as these routes are not the ones we currently test for
stability

Signed-off-by: Charlie Doern <cdoern@redhat.com>
2025-09-26 16:18:07 +02:00

81 lines
2.9 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.
from collections.abc import Callable
from dataclasses import dataclass
from typing import Any, TypeVar
from .strong_typing.schema import json_schema_type, register_schema # noqa: F401
@dataclass
class WebMethod:
level: str | None = None
route: str | None = None
public: bool = False
request_examples: list[Any] | None = None
response_examples: list[Any] | None = None
method: str | None = None
raw_bytes_request_body: bool | None = False
# A descriptive name of the corresponding span created by tracing
descriptive_name: str | None = None
experimental: bool | None = False
required_scope: str | None = None
deprecated: bool | None = False
T = TypeVar("T", bound=Callable[..., Any])
def webmethod(
route: str | None = None,
method: str | None = None,
level: str | None = None,
public: bool | None = False,
request_examples: list[Any] | None = None,
response_examples: list[Any] | None = None,
raw_bytes_request_body: bool | None = False,
descriptive_name: str | None = None,
experimental: bool | None = False,
required_scope: str | None = None,
deprecated: bool | None = False,
) -> Callable[[T], T]:
"""
Decorator that supplies additional metadata to an endpoint operation function.
:param route: The URL path pattern associated with this operation which path parameters are substituted into.
:param public: True if the operation can be invoked without prior authentication.
:param request_examples: Sample requests that the operation might take. Pass a list of objects, not JSON.
:param response_examples: Sample responses that the operation might produce. Pass a list of objects, not JSON.
:param experimental: True if the operation is experimental and subject to change.
:param required_scope: Required scope for this endpoint (e.g., 'monitoring.viewer').
"""
def wrap(func: T) -> T:
webmethod_obj = WebMethod(
route=route,
method=method,
level=level,
public=public or False,
request_examples=request_examples,
response_examples=response_examples,
raw_bytes_request_body=raw_bytes_request_body,
descriptive_name=descriptive_name,
experimental=experimental,
required_scope=required_scope,
deprecated=deprecated,
)
# Store all webmethods in a list to support multiple decorators
if not hasattr(func, "__webmethods__"):
func.__webmethods__ = [] # type: ignore
func.__webmethods__.append(webmethod_obj) # type: ignore
# Keep the last one as __webmethod__ for backwards compatibility
func.__webmethod__ = webmethod_obj # type: ignore
return func
return wrap