testing hatchling for easier protobuf shenanigans

.gitignore

@@ -24,3 +24,4 @@ tests/mock/client.properties
 /.vscode
 .coverage*
 coverage.xml
+/src/dataclay/proto/

compile_protos.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python3
+
+from importlib import resources
+from typing import Any
+import grpc_tools.protoc
+
+try:
+    from hatchling.builders.hooks.plugin.interface import BuildHookInterface
+except ModuleNotFoundError:
+    if __name__ != "__main__":
+        # If we are not being run interactively, then that is an error
+        raise
+    BuildHookInterface = object
+
+
+def run_protoc():
+    grpc_tools_proto = (resources.files("grpc_tools") / "_proto").resolve()
+    grpc_tools.protoc.main(
+        [
+            "grpc_tools.protoc",
+            "--proto_path=dataclay-common",
+            "--python_out=src",
+            "--grpc_python_out=src",
+            "dataclay-common/dataclay/proto/common/common.proto",
+            "dataclay-common/dataclay/proto/backend/backend.proto",
+            "dataclay-common/dataclay/proto/metadata/metadata.proto",
+            f"-I{grpc_tools_proto}",
+        ]
+    )
+
+
+class CustomBuildHook(BuildHookInterface):
+    def initialize(self, version: str, build_data: dict[str, Any]) -> None:
+        run_protoc()
+
+    def dependencies(self):
+        return ["grpcio-tools==1.48.2"]
+
+
+if __name__ == "__main__":
+    run_protoc()

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
 [project]
 name = "dataclay"
@@ -73,9 +73,6 @@ telemetry = [
 [project.scripts]
 dataclayctl = "dataclay.control.ctl:run"
 
-[tool.setuptools.dynamic]
-version = {attr = "dataclay.__version__"}
-
 [tool.isort]
 profile = "black"
 extend_skip = "src/dataclay/proto"
@@ -106,3 +103,17 @@ filterwarnings = [
     "error",
     "ignore::UserWarning",
 ]
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/dataclay", "src/storage"]
+dependencies = ["grpcio-tools==1.48.2"]
+
+[tool.hatch.build.targets.sdist]
+include = ["src/dataclay", "src/storage", "dataclay-common"]
+
+[tool.hatch.version]
+path = "src/dataclay/__init__.py"
+
+[tool.hatch.build.hooks.custom]
+path = "compile_protos.py"
+dependencies = ["grpcio-tools==1.48.2"]