LocalAI/backend/python/coqui/coqui_server.py
Ettore Di Giacinto 9e653d6abe
feat: 🐍 add mamba support (#1589)
feat(mamba): Initial import

This is a first iteration of the mamba backend, loosely based on
mamba-chat(https://github.com/havenhq/mamba-chat).
2024-01-19 23:42:50 +01:00

105 lines
3.6 KiB
Python

#!/usr/bin/env python3
"""
This is an extra gRPC server of LocalAI for Bark TTS
"""
from concurrent import futures
import time
import argparse
import signal
import sys
import os
import backend_pb2
import backend_pb2_grpc
import torch
from TTS.api import TTS
import grpc
_ONE_DAY_IN_SECONDS = 60 * 60 * 24
# If MAX_WORKERS are specified in the environment use it, otherwise default to 1
MAX_WORKERS = int(os.environ.get('PYTHON_GRPC_MAX_WORKERS', '1'))
COQUI_LANGUAGE = os.environ.get('COQUI_LANGUAGE', None)
# Implement the BackendServicer class with the service methods
class BackendServicer(backend_pb2_grpc.BackendServicer):
"""
BackendServicer is the class that implements the gRPC service
"""
def Health(self, request, context):
return backend_pb2.Reply(message=bytes("OK", 'utf-8'))
def LoadModel(self, request, context):
# Get device
# device = "cuda" if request.CUDA else "cpu"
if torch.cuda.is_available():
print("CUDA is available", file=sys.stderr)
device = "cuda"
else:
print("CUDA is not available", file=sys.stderr)
device = "cpu"
if not torch.cuda.is_available() and request.CUDA:
return backend_pb2.Result(success=False, message="CUDA is not available")
self.AudioPath = None
# List available 🐸TTS models
print(TTS().list_models())
if os.path.isabs(request.AudioPath):
self.AudioPath = request.AudioPath
elif request.AudioPath and request.ModelFile != "" and not os.path.isabs(request.AudioPath):
# get base path of modelFile
modelFileBase = os.path.dirname(request.ModelFile)
# modify LoraAdapter to be relative to modelFileBase
self.AudioPath = os.path.join(modelFileBase, request.AudioPath)
try:
print("Preparing models, please wait", file=sys.stderr)
self.tts = TTS(request.Model).to(device)
except Exception as err:
return backend_pb2.Result(success=False, message=f"Unexpected {err=}, {type(err)=}")
# Implement your logic here for the LoadModel service
# Replace this with your desired response
return backend_pb2.Result(message="Model loaded successfully", success=True)
def TTS(self, request, context):
try:
self.tts.tts_to_file(text=request.text, speaker_wav=self.AudioPath, language=COQUI_LANGUAGE, file_path=request.dst)
except Exception as err:
return backend_pb2.Result(success=False, message=f"Unexpected {err=}, {type(err)=}")
return backend_pb2.Result(success=True)
def serve(address):
server = grpc.server(futures.ThreadPoolExecutor(max_workers=MAX_WORKERS))
backend_pb2_grpc.add_BackendServicer_to_server(BackendServicer(), server)
server.add_insecure_port(address)
server.start()
print("Server started. Listening on: " + address, file=sys.stderr)
# Define the signal handler function
def signal_handler(sig, frame):
print("Received termination signal. Shutting down...")
server.stop(0)
sys.exit(0)
# Set the signal handlers for SIGINT and SIGTERM
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
try:
while True:
time.sleep(_ONE_DAY_IN_SECONDS)
except KeyboardInterrupt:
server.stop(0)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Run the gRPC server.")
parser.add_argument(
"--addr", default="localhost:50051", help="The address to bind the server to."
)
args = parser.parse_args()
serve(args.addr)