feat: add '-E/--external' to api.

internal/spec/gpyrpc/gpyrpc.proto

@@ -12,6 +12,12 @@ import "google/protobuf/descriptor.proto";
 
 // ----------------------------------------------------------------------------
 
+// kcl main.k -E pkg_name=pkg_path
+message CmdExternalPkgSpec {
+	string pkg_name = 1;
+	string pkg_path = 2;
+}
+
 // kcl main.k -D name=value
 message CmdArgSpec {
 	string name = 1;
@@ -140,6 +146,9 @@ message ExecProgram_Args {
 	bool sort_keys = 12;
 	// include schema type path in JSON/YAML result
 	bool include_schema_type_path = 13;
+
+	// -E --external : external packages path
+	repeated CmdExternalPkgSpec external_pkgs = 14;
 }
 message ExecProgram_Result {
 	string json_result = 1;

kclvm/api/src/capi_test.rs

@@ -21,6 +21,16 @@ fn test_c_api_call_exec_program() {
     );
 }
 
+#[test]
+fn test_c_api_call_exec_program_with_external_pkg() {
+    test_c_api::<ExecProgramArgs, ExecProgramResult, _>(
+        "KclvmService.ExecProgram",
+        "exec-program-with-external-pkg.json",
+        "exec-program-with-external-pkg.response.json",
+        |res| res.escaped_time = "0".to_owned(),
+    );
+}
+
 #[test]
 fn test_c_api_call_override_file() {
     test_c_api_without_wrapper::<OverrideFileArgs, OverrideFileResult>(

kclvm/api/src/testdata/exec-program-with-external-pkg.json

@@ -0,0 +1,12 @@
+{
+	"work_dir" : "./src/testdata",
+	"k_filename_list":[
+		"hello_import.k"
+	],
+	"external_pkgs": [
+		{
+		  "pkg_name": "external",
+		  "pkg_path": "./src/testdata/external"
+		}
+	]
+}

kclvm/api/src/testdata/exec-program-with-external-pkg.response.json

@@ -0,0 +1,5 @@
+{
+        "json_result": "[{\"a\": \"Hello External World!\"}]",
+        "yaml_result": "a: Hello External World!",
+        "escaped_time": "0.002061128616333008"
+}

kclvm/api/src/testdata/external/kcl.mod

@@ -0,0 +1,6 @@
+[package]
+name = "external"
+edition = "0.0.1"
+version = "0.0.1"
+
+[dependencies]

kclvm/api/src/testdata/external/main.k

@@ -0,0 +1 @@
+a = 'Hello External World!'

kclvm/api/src/testdata/hello_import.k

@@ -0,0 +1,2 @@
+import external as ext
+a = ext.a