improve proto buffer generation

Signed-off-by: sagewe <wbwmat@gmail.com>

proto/generate_proto_buffer.sh

@@ -0,0 +1,87 @@
+#!/usr/bin/env bash
+#
+#  Copyright 2019 The FATE Authors. All Rights Reserved.
+#
+#  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.
+
+# Constants
+BASEDIR=$(dirname "$0")
+TARGET_DIR="../python/eggroll/core/proto"
+
+# Function to display help
+show_help() {
+  echo "Usage: $(basename "$0") [options]"
+  echo "Options:"
+  echo "  -h, --help         Show this help message"
+  echo "  -r, --recursive    Process directories recursively"
+  echo "  -c, --clean        Clean target directory before generation"
+}
+
+# Function to check if grpc_tools is installed
+check_grpc_tools_installed() {
+  python3 -c "import grpc_tools.protoc" 2>/dev/null
+  if [ $? -ne 0 ]; then
+    echo "grpc_tools is not installed. Please install it using 'python3 -m pip install grpcio-tools'"
+    exit 1
+  fi
+}
+
+# Function to generate stubs
+generate() {
+  if grep -q "^service " "$3"; then
+    # Generate both Python and gRPC stubs
+    python3 -m grpc_tools.protoc -I"$1" \
+      --python_out="$2" \
+      --grpc_python_out="$2" \
+      --mypy_out="$2" \
+      "$3"
+  else
+    # Generate only Python stubs
+    python3 -m grpc_tools.protoc -I"$1" \
+      --python_out="$2" \
+      --mypy_out="$2" \
+      "$3"
+  fi
+}
+
+# Function to clean target directory
+clean_target() {
+  rm -rf "$TARGET_DIR"/*
+}
+
+# Function to generate stubs for all .proto files
+generate_all() {
+  for proto in "$BASEDIR/core"/*.proto; do
+    generate "$BASEDIR/core" "$TARGET_DIR" "$proto"
+  done
+}
+
+# Parse command line options
+recursive=false
+clean=false
+while [ $# -gt 0 ]; do
+  case $1 in
+    -h|--help) show_help; exit 0 ;;
+    -r|--recursive) recursive=true ;;
+    -c|--clean) clean=true ;;
+    *) echo "Unknown option: $1"; show_help; exit 1 ;;
+  esac
+  shift
+done
+
+# Main execution
+check_grpc_tools_installed
+cd "$BASEDIR" || { echo "Failed to change directory to $BASEDIR"; exit 1; }
+[ "$clean" == "true" ] && clean_target
+generate_all "$recursive"
+echo "Generation completed"