internal/rosa/python: wrap python package

Metadata for this is somewhat boilerplate-heavy, so wrap it to create metadata in one call.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/python.go

@@ -137,6 +137,31 @@ pip3 install \
 ` + script
 }
 
+// newPythonPackage creates [Metadata] for a [Python] package.
+func newPythonPackage(
+	name string, id int, description, website, version string,
+	source pkg.Artifact, attrP *PackageAttr, attr *PipHelper,
+	dependencies P, extra ...PArtifact,
+) Metadata {
+	name = "python-" + name
+	if dependencies == nil {
+		dependencies = slices.Concat(P{Python}, extra)
+	}
+	return Metadata{
+		f: func(t Toolchain) (pkg.Artifact, string) {
+			return t.NewPackage(name, version, source, attrP, attr, extra...), version
+		},
+
+		Name:        name,
+		Description: description,
+		Website:     website,
+
+		Dependencies: dependencies,
+
+		ID: id,
+	}
+}
+
 // newViaPip installs a pip wheel from a url.
 func (t Toolchain) newViaPip(
 	name, version, url, checksum string,