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PaddleSpeech/demos/streaming_tts_serving_fastd.../streaming_tts_serving/stream_client.py

118 lines
3.7 KiB

#!/usr/bin/env python
import argparse
import queue
import sys
from functools import partial
import numpy as np
import tritonclient.grpc as grpcclient
from tritonclient.utils import *
FLAGS = None
class UserData:
def __init__(self):
self._completed_requests = queue.Queue()
# Define the callback function. Note the last two parameters should be
# result and error. InferenceServerClient would povide the results of an
# inference as grpcclient.InferResult in result. For successful
# inference, error will be None, otherwise it will be an object of
# tritonclientutils.InferenceServerException holding the error details
def callback(user_data, result, error):
if error:
user_data._completed_requests.put(error)
else:
user_data._completed_requests.put(result)
def async_stream_send(triton_client, values, request_id, model_name):
infer_inputs = []
outputs = []
for idx, data in enumerate(values):
data = np.array([data.encode('utf-8')], dtype=np.object_)
infer_input = grpcclient.InferInput('INPUT_0', [len(data)], "BYTES")
infer_input.set_data_from_numpy(data)
infer_inputs.append(infer_input)
outputs.append(grpcclient.InferRequestedOutput('OUTPUT_0'))
# Issue the asynchronous sequence inference.
triton_client.async_stream_infer(
model_name=model_name,
inputs=infer_inputs,
outputs=outputs,
request_id=request_id)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument(
'-v',
'--verbose',
action="store_true",
required=False,
default=False,
help='Enable verbose output')
parser.add_argument(
'-u',
'--url',
type=str,
required=False,
default='localhost:8001',
help='Inference server URL and it gRPC port. Default is localhost:8001.')
FLAGS = parser.parse_args()
# We use custom "sequence" models which take 1 input
# value. The output is the accumulated value of the inputs. See
# src/custom/sequence.
model_name = "streaming_tts_serving"
values = ["哈哈哈哈"]
request_id = "0"
string_result0_list = []
user_data = UserData()
# It is advisable to use client object within with..as clause
# when sending streaming requests. This ensures the client
# is closed when the block inside with exits.
with grpcclient.InferenceServerClient(
url=FLAGS.url, verbose=FLAGS.verbose) as triton_client:
try:
# Establish stream
triton_client.start_stream(callback=partial(callback, user_data))
# Now send the inference sequences...
async_stream_send(triton_client, values, request_id, model_name)
except InferenceServerException as error:
print(error)
sys.exit(1)
# Retrieve results...
recv_count = 0
result_dict = {}
status = True
while True:
data_item = user_data._completed_requests.get()
if type(data_item) == InferenceServerException:
raise data_item
else:
this_id = data_item.get_response().id
if this_id not in result_dict.keys():
result_dict[this_id] = []
result_dict[this_id].append((recv_count, data_item))
sub_wav = data_item.as_numpy('OUTPUT_0')
status = data_item.as_numpy('status')
print('sub_wav = ', sub_wav, "subwav.shape = ", sub_wav.shape)
print('status = ', status)
if status[0] == 1:
break
recv_count += 1
print("PASS: stream_client")