✨ Add sqlmodel-slim setup (#916)

pdm_build.py

@@ -0,0 +1,39 @@
+import os
+from typing import Any, Dict, List
+
+from pdm.backend.hooks import Context
+
+TIANGOLO_BUILD_PACKAGE = os.getenv("TIANGOLO_BUILD_PACKAGE", "sqlmodel")
+
+
+def pdm_build_initialize(context: Context) -> None:
+    metadata = context.config.metadata
+    # Get custom config for the current package, from the env var
+    config: Dict[str, Any] = context.config.data["tool"]["tiangolo"][
+        "_internal-slim-build"
+    ]["packages"][TIANGOLO_BUILD_PACKAGE]
+    project_config: Dict[str, Any] = config["project"]
+    # Get main optional dependencies, extras
+    optional_dependencies: Dict[str, List[str]] = metadata.get(
+        "optional-dependencies", {}
+    )
+    # Get custom optional dependencies name to always include in this (non-slim) package
+    include_optional_dependencies: List[str] = config.get(
+        "include-optional-dependencies", []
+    )
+    # Override main [project] configs with custom configs for this package
+    for key, value in project_config.items():
+        metadata[key] = value
+    # Get custom build config for the current package
+    build_config: Dict[str, Any] = (
+        config.get("tool", {}).get("pdm", {}).get("build", {})
+    )
+    # Override PDM build config with custom build config for this package
+    for key, value in build_config.items():
+        context.config.build_config[key] = value
+    # Get main dependencies
+    dependencies: List[str] = metadata.get("dependencies", [])
+    # Add optional dependencies to the default dependencies for this (non-slim) package
+    for include_optional in include_optional_dependencies:
+        optional_dependencies_group = optional_dependencies.get(include_optional, [])
+        dependencies.extend(optional_dependencies_group)