Version 5.3.0 - Support for Structs

### Added

- Support for the `google.protobuf.Value` message

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
     uses: ./.github/workflows/images_alpy.yml
     with:
       PROTOPLASM_PY_PKG_VERSION: ${{ needs.retrieve_version.outputs.version }}
-      GRPCIO_IMAGE_VERSION: "1.62.1"
+      GRPCIO_IMAGE_VERSION: "1.66.1"
       PSYCOPG_VERSION: "3.1"
     secrets:
       REGISTRY_USER: ${{ secrets.REGISTRY_USER }}

.github/workflows/unit-test.yml

@@ -22,7 +22,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install -r requirements-unittesting.txt
-        pip uninstall -y protoplasm
+        pip install --no-deps -r requirements-neobuilder.txt
 
     - name: Run tests on Python ${{ matrix.python-version }}
       run: |

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).
 
+## [5.3.0] - 2024-09-24
+
+### Added
+
+- Support for the `google.protobuf.Value` message
+
+
 ## [5.2.0] - 2024-09-23
 
 ### Added

docker/alpy/base.Dockerfile

@@ -1,5 +1,5 @@
 ARG PYTHON_VERSION
-FROM python:${PYTHON_VERSION}-alpine3.19
+FROM python:${PYTHON_VERSION}-alpine3.20
 
 COPY requirements.txt .
 

protoplasm/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '5.2.0'
+__version__ = '5.3.0'
 
 __author__ = 'Thordur Matthiasson <[email protected]>'
 __license__ = 'MIT License'

protoplasm/casting/dictator.py

@@ -37,7 +37,8 @@ def dataclass_to_dict(dc) -> Dict:
     for field in dataclasses.fields(dc):
         dicted = _dataclass_field_to_dict_field(field, dc)
         # if dicted:
-        if dicted is not None:  # TODO([email protected]>) 2024-04-15: To include "default/empty" fields or not?
+        # if dicted is not None:  # TODO([email protected]>) 2024-04-15: To include "default/empty" fields or not?
+        if dicted is not ...:
             d[_get_proto_field_name(field)] = dicted
 
     return d
@@ -50,10 +51,11 @@ def _get_proto_field_name(field: dataclasses.Field):
 def _dataclass_field_to_dict_field(field: dataclasses.Field, dc):
     val = getattr(dc, field.name)
 
+    dictator_cls = field.metadata.get('dictator', dictators.BaseDictator)
+
     if val is None:
         return None
 
-    dictator_cls = field.metadata.get('dictator', dictators.BaseDictator)
     is_obj = field.metadata.get('is_obj', False)
     is_list = field.metadata.get('is_list', False)
     is_map = field.metadata.get('is_map', False)

protoplasm/casting/dictators/__init__.py

@@ -7,6 +7,9 @@
     'DurationDictator',
     'AnyDictator',
     'StructDictator',
+    'ValueDictator',
+    'ListValueDictator',
+    'NullValueDictator',
 ]
 import datetime
 import base64
@@ -205,7 +208,7 @@ def from_dict_value(cls, proto_value: Optional[Union[int, str]],
         return enum_type(proto_value)
 
 
-class LongDictator:
+class LongDictator(BaseDictator):
     @classmethod
     def to_dict_value(cls, dc_value: Union[str, int], field: dataclasses.Field, parent: DataclassBase) -> str:
         """
@@ -242,7 +245,7 @@ def from_dict_value(cls, proto_value: Union[str, int],
         return int(proto_value)
 
 
-class DurationDictator:
+class DurationDictator(BaseDictator):
     @classmethod
     def to_dict_value(cls, dc_value: datetime.timedelta,
                       field: dataclasses.Field, parent: DataclassBase) -> Optional[str]:
@@ -272,7 +275,7 @@ def from_dict_value(cls, proto_value: Union[str, int, float],
         return datetime.timedelta(seconds=proto_value)
 
 
-class AnyDictator:
+class AnyDictator(BaseDictator):
     @classmethod
     def to_dict_value(cls, dc_value: Optional[DataclassBase],
                       field: dataclasses.Field, parent: DataclassBase) -> Optional[collections.OrderedDict]:
@@ -312,7 +315,7 @@ def from_dict_value(cls, proto_value: collections.OrderedDict,
         return dict_to_dataclass(dc_cls, proto_value)
 
 
-class StructDictator:
+class StructDictator(BaseDictator):
     @classmethod
     def to_dict_value(cls, dc_value: Dict[str, Any],
                       field: dataclasses.Field, parent: DataclassBase) -> Dict[str, Any]:
@@ -328,3 +331,45 @@ def from_dict_value(cls, proto_value: Dict[str, Any],
             return {}
 
         return proto_value
+
+
+class ValueDictator(BaseDictator):
+    @classmethod
+    def to_dict_value(cls, dc_value: Any, field: dataclasses.Field, parent: DataclassBase) -> Any:
+        """Casts data from whatever a dataclass stores to a value that protobuf
+        messages can parse from a dict.
+
+        :param dc_value: Dataclass value
+        :type dc_value: Any
+        :param field: The dataclass field descriptor the value comes from
+        :type field: dataclasses.Field
+        :param parent: The dataclass the field belongs to
+        :type parent: object
+        :return: A value that the protobuf ParseDict function can use
+        :rtype: Any
+        """
+        return dc_value
+
+    @classmethod
+    def from_dict_value(cls, proto_value: Any, field: dataclasses.Field, parent_type: Type[DataclassBase]) -> Any:
+        """Casts data from a dict version of a protobuf message into whatever
+        value the corresponding dataclass uses.
+
+        :param proto_value: Protobuf dict value
+        :type proto_value: Any
+        :param field: The dataclass field descriptor the value is going to
+        :type field: dataclasses.Field
+        :param parent_type: The dataclass the field belongs to
+        :type parent_type: object
+        :return: A value that the dataclass uses
+        :rtype: Any
+        """
+        return proto_value
+
+
+class ListValueDictator(BaseDictator):
+    pass
+
+
+class NullValueDictator(BaseDictator):
+    pass

pyproject.toml

@@ -36,10 +36,10 @@ classifiers = [
 
 dependencies = [
     "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"
 ]
 
 [project.urls]

requirements-neobuilder.txt

@@ -0,0 +1 @@
+neobuilder >=5.3, <6

requirements-unittesting.txt

@@ -1 +1,2 @@
-neobuilder >=5.2.0-rc.1, <6
+Jinja2 >=3.1, <4
+semver >= 3.0.2, <4

requirements.txt

@@ -1,6 +1,6 @@
 ccptools >= 1.1, <2
 
-protobuf >=5.28.2, <6
 grpcio >=1.66.1, <2
 grpcio-tools >=1.66.1, <2
 googleapis-common-protos >=1.65, <2
+protobuf == 5.27.2

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

@@ -7,4 +7,9 @@ import "google/protobuf/struct.proto";
 
 message StructMessage {
     google.protobuf.Struct my_struct = 1;
+    google.protobuf.Value my_value = 2;
+    // google.protobuf.ListValue my_list_value = 3;
+    // google.protobuf.NullValue my_null_value = 4;
 }
+
+

tests/res/proto/sandbox/test/importcollision.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+package sandbox.test;
+
+
+// This should collide with `typing.Type` when used with `from typing import *`
+message Type {
+    int32 type_id = 1;
+    string name = 2;
+}
+
+
+// This should collide with `typing.Collection` when used with `from typing import *`
+message Collection {
+    string name = 1;
+
+    // Not sure if this causes issues though :D
+    repeated Type types = 2;
+}

tests/test_casting.py

@@ -3,40 +3,25 @@
 import unittest
 import os
 import sys
+import shutil
+import time
+
+from tests.testutils import *
 
 from protoplasm import casting
 
 import logging
 log = logging.getLogger(__name__)
 logging.basicConfig(level=logging.DEBUG)
 
-import shutil
-import time
-HERE = os.path.dirname(__file__)
-PROTO_ROOT = os.path.join(HERE, 'res', 'proto')
-BUILD_ROOT = os.path.join(HERE, 'res', 'build')
-
 
 class CastingTest(unittest.TestCase):
     def setUp(self):
         self.maxDiff = None
 
     @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)
-            time.sleep(0.1)
-
-        from neobuilder.neobuilder import NeoBuilder
-
-        # Build stuff...
-        builder = NeoBuilder(package='sandbox',
-                             protopath=PROTO_ROOT,
-                             build_root=BUILD_ROOT)
-        builder.build()
-
+        build_new_protos()
         # Add build root to path to access its modules
         sys.path.append(BUILD_ROOT)
 
@@ -574,3 +559,117 @@ def test_cloning(self):
         self.assertEqual(thing_1.my_subthing, thing_2.my_subthing)
 
         self.assertNotEqual(thing_1.my_unique_string, thing_2.my_special_string)
+
+    def test_struct_things_proto_to_dataclass_and_back(self):
+        from sandbox.test.googlestruct_dc import StructMessage
+        from sandbox.test.googlestruct_pb2 import StructMessage as StructMessageProto
+
+        structs_pb = StructMessageProto()
+        structs_pb.my_struct['my_string'] = 'I am String, hear me spell!'
+        structs_pb.my_struct['my_int'] = 42
+        structs_pb.my_struct['my_float'] = 4.2
+        structs_pb.my_struct['my_null'] = None
+        structs_pb.my_struct['my_bool'] = True
+        structs_pb.my_struct['my_list'] = [1, 3, 5, 8]
+        structs_pb.my_struct['my_dict'] = {'foo': 'bar', 'you': 'tube'}
+        structs_pb.my_value.string_value = "Look mom! I'm a string!"
+
+        structs_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
+            },
+            my_value="Look mom! I'm a string!"
+        )
+
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = 7
+        structs_pb.my_value.number_value = 7
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = 43.1234
+        structs_pb.my_value.number_value = 43.1234
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = True
+        structs_pb.my_value.bool_value = True
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = 123456789
+        structs_pb.my_value.number_value = 123456789
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = False
+        structs_pb.my_value.bool_value = False
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = 1.23456789123456789
+        structs_pb.my_value.number_value = 1.23456789123456789
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = None
+        structs_pb.my_value.null_value = 0
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc), 'A) dataclass_to_proto failed!')
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb), 'B) proto_to_dataclass failed!')
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)), 'C) proto_to_dataclass(dataclass_to_proto) failed!')
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)), 'D) dataclass_to_proto(proto_to_dataclass) failed!')
+
+        structs_dc.my_value = [1, 2, 3]
+        structs_pb.my_value.list_value.append(1)
+        structs_pb.my_value.list_value.append(2)
+        structs_pb.my_value.list_value.append(3)
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = True
+        structs_pb.my_value.bool_value = True
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = ['a', 7, True]
+        structs_pb.my_value.list_value.append('a')
+        structs_pb.my_value.list_value.append(7)
+        structs_pb.my_value.list_value.append(True)
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))
+
+        structs_dc.my_value = {'a': 7, 'b': True}
+        structs_pb.my_value.struct_value['a'] = 7
+        structs_pb.my_value.struct_value['b'] = True
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(structs_dc))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(structs_pb))
+        self.assertEqual(structs_dc, casting.proto_to_dataclass(casting.dataclass_to_proto(structs_dc)))
+        self.assertEqual(structs_pb, casting.dataclass_to_proto(casting.proto_to_dataclass(structs_pb)))