fix: ensure all dependencies in debugtalk.go are installed

hrp/build.go

@@ -44,6 +44,7 @@ type TemplateContent struct {
 	FromImports   []string // python from...import...
 	Functions     []string // python/go function
 	FunctionNames []string // function name set by user
+	Packages      []string // python packages
 }
 
 type Regexps struct {
@@ -127,8 +128,15 @@ func (t *TemplateContent) parsePyContent(path string) error {
 
 		if strings.HasPrefix(line, "import") {
 			t.Imports = append(t.Imports, strings.Trim(line, " "))
+			// e.g. import module as md
+			// import package.module
+			t.Packages = append(t.Packages, strings.Split(strings.Split(line, " ")[1], ".")[0])
 		} else if strings.HasPrefix(line, "from") {
 			t.FromImports = append(t.FromImports, strings.Trim(line, " "))
+			// e.g. from package.module import function
+			// from module import function
+			// from package import module
+			t.Packages = append(t.Packages, strings.Split(strings.Split(line, " ")[1], ".")[0])
 		} else {
 			// no parse content at under of `if __name__ == "__main__"`
 			if strings.HasPrefix(line, "if __name__") {
@@ -257,11 +265,24 @@ func buildPy(path string, output string) error {
 			FunctionName: regexp.MustCompile(regexPythonFunctionName),
 		},
 	}
+
 	err := templateContent.parsePyContent(path)
 	if err != nil {
 		return err
 	}
 
+	// ensure installation of packages
+	_, err = builtin.EnsurePython3Venv(templateContent.Packages...)
+	if err != nil {
+		return err
+	}
+
+	// check the syntax of debugtalk.py
+	err = builtin.CheckPythonScriptSyntax(path)
+	if err != nil {
+		return err
+	}
+
 	// generate .debugtalk_gen.py
 	if output == "" {
 		dir, _ := os.Getwd()

hrp/internal/builtin/utils.go

@@ -103,6 +103,11 @@ func EnsurePython3Venv(packages ...string) (string, error) {
 	return python3, nil
 }
 
+func CheckPythonScriptSyntax(path string) error {
+	err := ExecCommand("python3", "-m", "py_compile", path)
+	return err
+}
+
 func ExecCommandInDir(cmd *exec.Cmd, dir string) error {
 	log.Info().Str("cmd", cmd.String()).Str("dir", dir).Msg("exec command")
 	cmd.Dir = dir