dynamo/lib/bindings/python/examples/pipeline/frontend.py

56 lines
1.6 KiB
Python

# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import asyncio
import uvloop
from dynamo.runtime import DistributedRuntime, dynamo_worker
uvloop.install()
class RequestHandler:
def __init__(self, next):
self.next = next
async def generate(self, request):
request = f"{request} front"
async for output in await self.next.round_robin(request):
yield output.get("data")
@dynamo_worker()
async def worker(runtime: DistributedRuntime):
# client to the next component - in this case the middle component
next = (
await runtime.namespace("examples/pipeline")
.component("middle")
.endpoint("generate")
.client()
)
# create endpoint service for frontend component
component = runtime.namespace("examples/pipeline").component("frontend")
await component.create_service()
endpoint = component.endpoint("generate")
handler = RequestHandler(next)
await endpoint.serve_endpoint(handler.generate)
asyncio.run(worker())