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ray-project--ray/doc/source/llm/doc_code/serve/transcription/transcription_example.py
T
2026-07-13 13:17:40 +08:00

101 lines
2.9 KiB
Python

"""
This file serves as a documentation example and CI test.
Structure:
1. Monkeypatch setup: Ensures serve.run is non-blocking and removes accelerator requirements for CI testing.
2. Docs example (between __transcription_example_start/end__): Embedded in Sphinx docs via literalinclude.
3. Test validation (deployment status polling + cleanup)
"""
import time
import openai
import requests
from ray import serve
from ray.serve.schema import ApplicationStatus
from ray.serve._private.constants import SERVE_DEFAULT_APP_NAME
from ray.serve import llm
_original_serve_run = serve.run
_original_build_openai_app = llm.build_openai_app
def _non_blocking_serve_run(app, **kwargs):
"""Forces blocking=False for testing"""
kwargs["blocking"] = False
return _original_serve_run(app, **kwargs)
def _testing_build_openai_app(llm_serving_args):
"""Removes accelerator requirements for testing"""
for config in llm_serving_args["llm_configs"]:
config.accelerator_type = None
return _original_build_openai_app(llm_serving_args)
serve.run = _non_blocking_serve_run
llm.build_openai_app = _testing_build_openai_app
# __transcription_example_start__
from ray import serve
from ray.serve.llm import LLMConfig, build_openai_app
llm_config = LLMConfig(
model_loading_config={
"model_id": "whisper-small",
"model_source": "openai/whisper-small",
},
deployment_config={
"autoscaling_config": {
"min_replicas": 1,
"max_replicas": 4,
}
},
accelerator_type="A10G",
log_engine_metrics=True,
)
app = build_openai_app({"llm_configs": [llm_config]})
serve.run(app, blocking=True)
# __transcription_example_end__
status = ApplicationStatus.NOT_STARTED
timeout_seconds = 300
start_time = time.time()
while (
status != ApplicationStatus.RUNNING and time.time() - start_time < timeout_seconds
):
status = serve.status().applications[SERVE_DEFAULT_APP_NAME].status
if status in [ApplicationStatus.DEPLOY_FAILED, ApplicationStatus.UNHEALTHY]:
raise AssertionError(f"Deployment failed with status: {status}")
time.sleep(1)
if status != ApplicationStatus.RUNNING:
raise AssertionError(
f"Deployment failed to reach RUNNING status within {timeout_seconds}s. Current status: {status}"
)
response = requests.get("https://voiceage.com/wbsamples/in_stereo/Sports.wav")
with open("audio.wav", "wb") as f:
f.write(response.content)
client = openai.OpenAI(base_url="http://localhost:8000/v1", api_key="fake-key")
with open("audio.wav", "rb") as f:
try:
response = client.audio.transcriptions.create(
model="whisper-small",
file=f,
temperature=0.0,
language="en",
)
except Exception as e:
raise AssertionError(
f"Error while querying models: {e}. Check the logs for more details."
)
serve.shutdown()