llama-stack-mirror/docs/openapi_generator/generate.py
2024-09-18 16:09:17 -07:00

87 lines
2.8 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.
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described found in the
# LICENSE file in the root directory of this source tree.
from datetime import datetime
from pathlib import Path
import fire
import yaml
from llama_models import schema_utils
# We do some monkey-patching to ensure our definitions only use the minimal
# (json_schema_type, webmethod) definitions from the llama_models package. For
# generation though, we need the full definitions and implementations from the
# (json-strong-typing) package.
from strong_typing.schema import json_schema_type
from .pyopenapi.options import Options
from .pyopenapi.specification import Info, Server
from .pyopenapi.utility import Specification
schema_utils.json_schema_type = json_schema_type
from llama_stack.apis.stack import LlamaStack
# TODO: this should be fixed in the generator itself so it reads appropriate annotations
STREAMING_ENDPOINTS = [
"/agentic_system/turn/create",
"/inference/chat_completion",
]
def patch_sse_stream_responses(spec: Specification):
for path, path_item in spec.document.paths.items():
if path in STREAMING_ENDPOINTS:
content = path_item.post.responses["200"].content.pop("application/json")
path_item.post.responses["200"].content["text/event-stream"] = content
def main(output_dir: str):
output_dir = Path(output_dir)
if not output_dir.exists():
raise ValueError(f"Directory {output_dir} does not exist")
now = str(datetime.now())
print(
"Converting the spec to YAML (openapi.yaml) and HTML (openapi.html) at " + now
)
print("")
spec = Specification(
LlamaStack,
Options(
server=Server(url="http://any-hosted-llama-stack.com"),
info=Info(
title="[DRAFT] Llama Stack Specification",
version="0.0.1",
description="""This is the specification of the llama stack that provides
a set of endpoints and their corresponding interfaces that are tailored to
best leverage Llama Models. The specification is still in draft and subject to change.
Generated at """
+ now,
),
),
)
patch_sse_stream_responses(spec)
with open(output_dir / "llama-stack-spec.yaml", "w", encoding="utf-8") as fp:
yaml.dump(spec.get_json(), fp, allow_unicode=True)
with open(output_dir / "llama-stack-spec.html", "w") as fp:
spec.write_html(fp, pretty_print=True)
if __name__ == "__main__":
fire.Fire(main)