dynamo/lib/bindings/python/examples/error_handling/client.py

64 lines
1.7 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
@dynamo_worker()
async def worker(runtime: DistributedRuntime):
await init(runtime, "dynamo")
async def init(runtime: DistributedRuntime, ns: str):
"""
Instantiate a `backend` client and call the `generate` endpoint
"""
# get endpoint
endpoint = runtime.namespace(ns).component("backend").endpoint("generate")
# create client
client = await endpoint.client()
# wait for an endpoint to be ready
await client.wait_for_instances()
# issue request
stream = await client.generate("hello world")
error_count = 0
try:
# process response
async for char in stream:
print(char)
except ValueError:
error_count += 1
pass
finally:
assert error_count == 1
stream = await client.generate("hello earth", annotated=False)
async for char in stream:
print(char)
if __name__ == "__main__":
uvloop.install()
asyncio.run(worker())