chore: Deprecate Python39 environment (#1983)

cmd/kyma/init/function/function.go

@@ -24,6 +24,7 @@ const (
 var (
 	deprecatedRuntimes = map[string]struct{}{
 		"nodejs16": {},
+		"python39": {},
 	}
 )
 
@@ -57,7 +58,7 @@ Use the flags to specify the initial configuration for your Function or to choos
 		`Flag used to define the environment for running your Function. Use one of these options:
 	- nodejs16 (deprecated)
 	- nodejs18 
-	- python39
+	- python39 (deprecated)
 	- python312`,
 	)
 	cmd.Flags().StringVar(&o.SchemaVersion, "schema-version", string(workspace.SchemaVersionDefault), `Version of the config API.`)

cmd/kyma/init/function/function_test.go

@@ -31,7 +31,7 @@ func TestFunctionFlags(t *testing.T) {
 		"--name", "test-name",
 		"--namespace", "test-namespace",
 		"--runtime-image-override", "runtime-image-override",
-		"--runtime", "python39",
+		"--runtime", "python312",
 		"--url", "test-url",
 		"--repository-name", "test-repository-name",
 		"--reference", "test-reference",
@@ -42,7 +42,7 @@ func TestFunctionFlags(t *testing.T) {
 	require.Equal(t, "/fakepath", o.Dir, "The parsed value for the --dir flag not as expected.")
 	require.Equal(t, "test-name", o.Name, "The parsed value for the --name flag not as expected.")
 	require.Equal(t, "test-namespace", o.Namespace, "The parsed value for the --namespace flag not as expected.")
-	require.Equal(t, "python39", o.Runtime, "The parsed value for the --runtime flag not as expected.")
+	require.Equal(t, "python312", o.Runtime, "The parsed value for the --runtime flag not as expected.")
 	require.Equal(t, "runtime-image-override", o.RuntimeImageOverride, "The parsed value for the --runtime-image-override flag not as expected.")
 	require.Equal(t, "test-url", o.URL, "The parsed value for the --url flag not as expected.")
 	require.Equal(t, "test-repository-name", o.RepositoryName, "The parsed value for the --repository-name flag not as expected.")

docs/gen-docs/kyma_init_function.md

@@ -25,7 +25,7 @@ kyma init function [flags]
   -r, --runtime string                  Flag used to define the environment for running your Function. Use one of these options:
                                         	- nodejs16 (deprecated)
                                         	- nodejs18 
-                                        	- python39
+                                        	- python39 (deprecated)
                                         	- python312 (default "nodejs18")
       --runtime-image-override string   Set custom runtime image base.
       --schema-version string           Version of the config API. (default "v0")