fix(parler-tts): pin grpcio-tools (#3960)

Seems we require a specific version to build the backend files.

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

backend/python/parler-tts/Makefile

@@ -12,9 +12,10 @@ export SKIP_CONDA=1
 endif
 
 .PHONY: parler-tts
-parler-tts: protogen
+parler-tts:
 	@echo "Installing $(CONDA_ENV_PATH)..."
 	bash install.sh $(CONDA_ENV_PATH)
+	$(MAKE) protogen
 
 .PHONY: run
 run: protogen
@@ -36,7 +37,7 @@ protogen-clean:
 	$(RM) backend_pb2_grpc.py backend_pb2.py
 
 backend_pb2_grpc.py backend_pb2.py:
-	python3 -m grpc_tools.protoc -I../.. --python_out=. --grpc_python_out=. backend.proto
+	bash protogen.sh
 
 .PHONY: clean
 clean: protogen-clean

backend/python/parler-tts/install.sh

@@ -11,16 +11,4 @@ if [ "x${BUILD_PROFILE}" == "xintel" ]; then
     EXTRA_PIP_INSTALL_FLAGS+=" --upgrade --index-strategy=unsafe-first-match"
 fi
 
-installRequirements
-
-# https://github.com/descriptinc/audiotools/issues/101
-# incompatible protobuf versions.
-# PYDIR=python3.10
-# pyenv="${MY_DIR}/venv/lib/${PYDIR}/site-packages/google/protobuf/internal/"
-
-# if [ ! -d ${pyenv} ]; then
-#     echo "(parler-tts/install.sh): Error: ${pyenv} does not exist"
-#     exit 1
-# fi
-
-# curl -L https://raw.githubusercontent.com/protocolbuffers/protobuf/main/python/google/protobuf/internal/builder.py -o ${pyenv}/builder.py
+installRequirements

backend/python/parler-tts/protogen.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e
+
+source $(dirname $0)/../common/libbackend.sh
+
+python3 -m grpc_tools.protoc -I../.. --python_out=. --grpc_python_out=. backend.proto

backend/python/parler-tts/requirements-after.txt

@@ -1,4 +1,3 @@
 git+https://github.com/huggingface/parler-tts.git@8e465f1b5fcd223478e07175cb40494d19ffbe17
 llvmlite==0.43.0
-numba==0.60.0
-git+https://github.com/descriptinc/audiotools
+numba==0.60.0

backend/python/parler-tts/requirements.txt

@@ -1,4 +1,5 @@
 grpcio==1.67.0
+grpcio-tools==1.44.0
 protobuf
 certifi
 llvmlite==0.43.0