internal/rosa/python: setuptools-scm artifact

Awful hack required by many packages.

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

internal/rosa/python.go

@@ -244,7 +244,7 @@ func init() {
 		version  = "82.0.1"
 		checksum = "nznP46Tj539yqswtOrIM4nQgwLA1h-ApKX7z7ghazROCpyF5swtQGwsZoI93wkhc"
 	)
-	artifactsM[Setuptools] = newPythonPackage(
+	artifactsM[PythonSetuptools] = newPythonPackage(
 		"setuptools", 4021,
 		"the autotools of the Python ecosystem",
 		"https://pypi.org/project/setuptools/",
@@ -256,6 +256,54 @@ func init() {
 		}, nil)
 }
 
+func init() {
+	const (
+		version  = "1.1.1"
+		checksum = "rXZixTsZcRcIoUC1LvWrjySsiXSv5uhW6ng2P-yXZrbdj7FrSrDeJLCfC2b-ladV"
+	)
+	artifactsM[PythonVCSVersioning] = newPythonPackage(
+		"vcs-versioning", 389421,
+		"core VCS versioning functionality extracted as a standalone library",
+		"https://setuptools-scm.readthedocs.io/en/latest/",
+		version, newFromGitHub(
+			"pypa/setuptools-scm",
+			"vcs-versioning-v"+version, checksum,
+		), &PackageAttr{
+			Env: []string{
+				"SETUPTOOLS_SCM_PRETEND_VERSION=" + version,
+			},
+		}, &PipHelper{
+			Append: []string{"vcs-versioning"},
+		}, nil,
+		PythonSetuptools,
+		PythonPackaging,
+	)
+}
+
+func init() {
+	const (
+		version  = "10.0.5"
+		checksum = "vTN_TPd-b4Wbsw5WmAcsWjrs-FNXXznOeVTDnb54NtXve9Oy-eb2HPy-RG3FzNqp"
+	)
+	artifactsM[PythonSetuptoolsSCM] = newPythonPackage(
+		"setuptools-scm", 7874,
+		"extracts Python package versions from Git or Mercurial metadata",
+		"https://setuptools-scm.readthedocs.io/en/latest/",
+		version, newFromGitHub(
+			"pypa/setuptools-scm",
+			"setuptools-scm-v"+version, checksum,
+		), &PackageAttr{
+			Env: []string{
+				"SETUPTOOLS_SCM_PRETEND_VERSION=" + version,
+			},
+		}, &PipHelper{
+			Append: []string{"setuptools-scm"},
+		}, nil,
+		PythonSetuptools,
+		PythonVCSVersioning,
+	)
+}
+
 func init() {
 	const (
 		version  = "3.12.0"