Protobuf/grpc: Add proper module/script installation and CI build test

.github/workflows/buildcheck.yml

@@ -65,3 +65,12 @@ jobs:
         run: |
           python ifex/schema/ifex_to_json_schema.py >temp-schema
           python ifex/schema/pretty_print_json.py temp-schema >ifex-core-idl-schema.json
+
+      - name: Clone uservices repository
+        run: |
+          git clone https://github.com/COVESA/uservices/
+
+      - name: Run protobuf->IFEX translation
+        run: |
+          ifexconv_protobuf uservices/src/main/proto/vehicle/propulsion/engine/v1/engine_service.proto >engine_service.ifex
+          cat engine_service.ifex

ifex/scripts/protobuf_ifex.py

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: Copyright (c) 2024 MBition GmbH.
+# SPDX-License-Identifier: MPL-2.0
+
+# User-invocation script for protobuf-to-ifex
+
+from other.protobuf import protobuf_to_ifex
+import argparse
+
+def protobuf_to_ifex_run():
+
+    parser = argparse.ArgumentParser(description='Runs Protobuf to IFEX translator.')
+    parser.add_argument('input', metavar='file.proto', type=str, help='path to input .proto file')
+
+    try:
+        args = parser.parse_args()
+        proto_ast = protobuf_to_ifex.proto_ast_from_input(args.input)
+        ifex_ast = protobuf_to_ifex.proto_to_ifex(proto_ast)
+        print(protobuf_to_ifex.ifex_ast_as_yaml(ifex_ast))
+
+    except Exception as e:
+        print(f"ERROR: Conversion error resulting from {args.input}: {e}")

other/protobuf/protobuf_ast_construction.py

@@ -13,7 +13,7 @@
 
 from dataclasses import is_dataclass
 from ifex.model.type_checking_constructor_mixin import add_constructor
-import protobuf_ast
+import other.protobuf.protobuf_ast as protobuf_ast
 
 def add_constructors_to_protobuf_ast_model() -> None:
     """ Mix-in the type-checking constructor support into each of the protobuf_ast classes: """

other/protobuf/protobuf_lark.py

@@ -4,7 +4,7 @@
 # This file is part of the IFEX project
 
 from lark import Lark, logger, Tree, Token
-from protobuf_ast import Option, EnumField, Enumeration, MapField, Field, Import, Message, RPC, Service, Proto
+from other.protobuf.protobuf_ast import Option, EnumField, Enumeration, MapField, Field, Import, Message, RPC, Service, Proto
 import lark
 import re
 import sys
@@ -39,7 +39,7 @@
 
 
 # Use protobuf_construction mixin
-import protobuf_ast_construction
+import other.protobuf.protobuf_ast_construction as protobuf_ast_construction
 protobuf_ast_construction.add_constructors_to_protobuf_ast_model()
 
 # Remove lines matching regexp

other/protobuf/protobuf_to_ifex.py

@@ -4,9 +4,9 @@
 # This file is part of the IFEX project
 
 from ifex.model.ifex_ast_construction import add_constructors_to_ifex_ast_model, ifex_ast_as_yaml
-from protobuf_lark import create_proto_ast
+from other.protobuf.protobuf_lark import create_proto_ast
 import ifex.model.ifex_ast as ifex
-import protobuf_ast as pb
+import other.protobuf.protobuf_ast as pb
 import os
 import sys
 

setup.py

@@ -26,5 +26,6 @@ def get_template_files():
             [console_scripts]
             ifexgen=ifex.scripts.generator:ifex_generator_run
             ifexgen_dbus=ifex.scripts.generator_dbus:ifex_dbus_generator_run
+            ifexconv_protobuf=ifex.scripts.protobuf_ifex:protobuf_to_ifex_run
       '''
       )