Version 5.2.0 - Support for Structs

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [5.2.0] - 2024-09-23
+
+### Added
+
+- Support for the `google.protobuf.Struct` message
+
+
 
 ## [5.0.0] - 2024-04-15
 

protoplasm/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '5.0.1'
+__version__ = '5.2.0'
 
 __author__ = 'Thordur Matthiasson <[email protected]>'
 __license__ = 'MIT License'

protoplasm/casting/dictators/__init__.py

@@ -6,6 +6,7 @@
     'LongDictator',
     'DurationDictator',
     'AnyDictator',
+    'StructDictator',
 ]
 import datetime
 import base64
@@ -309,3 +310,21 @@ def from_dict_value(cls, proto_value: collections.OrderedDict,
         dc_cls = castutils.import_dataclass_by_proto(proto_class)
 
         return dict_to_dataclass(dc_cls, proto_value)
+
+
+class StructDictator:
+    @classmethod
+    def to_dict_value(cls, dc_value: Dict[str, Any],
+                      field: dataclasses.Field, parent: DataclassBase) -> Dict[str, Any]:
+        if dc_value is None:
+            return {}
+
+        return dc_value
+
+    @classmethod
+    def from_dict_value(cls, proto_value: Dict[str, Any],
+                        field: dataclasses.Field, parent_type: Type[DataclassBase]) -> Optional[Dict[str, Any]]:
+        if proto_value is None:
+            return {}
+
+        return proto_value

requirements-unittesting.txt

@@ -1 +1 @@
-neobuilder >=5.0, <6
+neobuilder >=5.2.0-rc.1, <6

requirements.txt

@@ -1,6 +1,6 @@
 ccptools >= 1.1, <2
 
-protobuf >=4.25.3, <5
-grpcio >=1.62.1, <2
-grpcio-tools >=1.62.1, <2
-googleapis-common-protos >=1.63.0, <2
+protobuf >=5.28.2, <6
+grpcio >=1.66.1, <2
+grpcio-tools >=1.66.1, <2
+googleapis-common-protos >=1.65, <2

tests/res/proto/sandbox/test/googlestruct.proto

@@ -0,0 +1,10 @@
+syntax = "proto3";
+
+package sandbox.test;
+
+import "google/protobuf/struct.proto";
+
+
+message StructMessage {
+    google.protobuf.Struct my_struct = 1;
+}

tests/test_dictator.py

@@ -19,11 +19,11 @@
 BUILD_ROOT = os.path.join(HERE, 'res', 'build')
 
 
-
 class ProtoToDictTest(unittest.TestCase):
     @classmethod
     def setUpClass(cls) -> None:
         # Remove old stuff...
+
         build_package = os.path.join(BUILD_ROOT, 'sandbox')
         if os.path.exists(build_package):
             shutil.rmtree(build_package)
@@ -215,6 +215,36 @@ def test_proto_enums_to_dict(self):
 
         self.assertEqual(expected2, dictator.proto_to_dict(p2))
 
+    def test_proto_struct_to_dict(self):
+        from sandbox.test import googlestruct_pb2
+
+        expected_a = {
+            'my_bool': True,
+            'my_float': 4.2,
+            'my_null': None,
+            'my_dict': {'foo': 'bar', 'you': 'tube'},
+            'my_list': [1.0, 3.0, 5.0, 8.0],
+            'my_string': 'I am String, hear me spell!',
+            'my_int': 42.0
+        }
+
+        expected_b = {
+            'my_struct': expected_a
+        }
+
+        proto_struct = googlestruct_pb2.StructMessage()
+        proto_struct.my_struct['my_string'] = 'I am String, hear me spell!'
+        proto_struct.my_struct['my_int'] = 42
+        proto_struct.my_struct['my_float'] = 4.2
+        proto_struct.my_struct['my_null'] = None
+        proto_struct.my_struct['my_bool'] = True
+        proto_struct.my_struct['my_list'] = [1, 3, 5, 8]
+        proto_struct.my_struct['my_dict'] = {'foo': 'bar', 'you': 'tube'}
+
+        self.assertEqual(expected_a, dictator.proto_to_dict(proto_struct.my_struct))
+
+        self.assertEqual(expected_b, dictator.proto_to_dict(proto_struct))
+
 
 class DataclassToDictTest(unittest.TestCase):
     @classmethod
@@ -423,3 +453,31 @@ def test_dataclass_enums_to_dict(self):
                                                     'default': 0}}
 
         self.assertEqual(expected2, dictator.dataclass_to_dict(dc2))
+
+    def test_proto_struct_to_dict(self):
+        from sandbox.test.googlestruct_dc import StructMessage
+        expected_a = {
+            'my_bool': True,
+            'my_float': 4.2,
+            'my_null': None,
+            'my_dict': {'foo': 'bar', 'you': 'tube'},
+            'my_list': [1.0, 3.0, 5.0, 8.0],
+            'my_string': 'I am String, hear me spell!',
+            'my_int': 42.0
+        }
+
+        expected_b = {
+            'my_struct': expected_a
+        }
+
+        struct_dc = StructMessage(my_struct={
+            'my_bool': True,
+            'my_float': 4.2,
+            'my_null': None,
+            'my_dict': {'foo': 'bar', 'you': 'tube'},
+            'my_list': [1.0, 3.0, 5.0, 8.0],
+            'my_string': 'I am String, hear me spell!',
+            'my_int': 42.0
+        })
+
+        self.assertEqual(expected_b, dictator.dataclass_to_dict(struct_dc))

tests/test_objectifier.py

@@ -663,3 +663,56 @@ def test_enum_dict_to_dataclass(self):
                                                      'default': 0}}
 
         self.assertEqual(p_expect2, objectifier.dict_to_dataclass(enums_dc.WithInternalEnum, dict_data2))
+
+    def test_struct_dict_to_proto(self):
+        from sandbox.test import googlestruct_pb2
+
+        the_dict = {
+            'my_struct': {
+                'my_bool': True,
+                'my_float': 4.2,
+                'my_null': None,
+                'my_dict': {'foo': 'bar', 'you': 'tube'},
+                'my_list': [1.0, 3.0, 5.0, 8.0],
+                'my_string': 'I am String, hear me spell!',
+                'my_int': 42.0
+            }
+        }
+
+        expected_pb = googlestruct_pb2.StructMessage()
+        expected_pb.my_struct['my_string'] = 'I am String, hear me spell!'
+        expected_pb.my_struct['my_int'] = 42
+        expected_pb.my_struct['my_float'] = 4.2
+        expected_pb.my_struct['my_null'] = None
+        expected_pb.my_struct['my_bool'] = True
+        expected_pb.my_struct['my_list'] = [1, 3, 5, 8]
+        expected_pb.my_struct['my_dict'] = {'foo': 'bar', 'you': 'tube'}
+
+        self.assertEqual(expected_pb, objectifier.dict_to_proto(googlestruct_pb2.StructMessage, the_dict))
+
+    def test_struct_dict_to_dataclass(self):
+        from sandbox.test.googlestruct_dc import StructMessage
+
+        the_dict = {
+            'my_struct': {
+                'my_bool': True,
+                'my_float': 4.2,
+                'my_null': None,
+                'my_dict': {'foo': 'bar', 'you': 'tube'},
+                'my_list': [1.0, 3.0, 5.0, 8.0],
+                'my_string': 'I am String, hear me spell!',
+                'my_int': 42.0
+            }
+        }
+
+        struct_dc = StructMessage(my_struct={
+            'my_bool': True,
+            'my_float': 4.2,
+            'my_null': None,
+            'my_dict': {'foo': 'bar', 'you': 'tube'},
+            'my_list': [1.0, 3.0, 5.0, 8.0],
+            'my_string': 'I am String, hear me spell!',
+            'my_int': 42.0
+        })
+
+        self.assertEqual(struct_dc, objectifier.dict_to_dataclass(StructMessage, the_dict))