commandline: Add "_validate" function

This patch adds a "_validate" function which validates
the CLI argument by parsing the command line to
ensure that the required arguments are passed to
lcitool

Signed-off-by: Abdulwasiu Apalowo <abdulwasiuapalowo@gmail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/lcitool/commandline.py b/lcitool/commandline.py
index 50204c3..743401a 100644
--- a/lcitool/commandline.py
+++ b/lcitool/commandline.py
@@ -4,12 +4,16 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 
+import sys
+import logging
 import argparse
 
 from pathlib import Path
 
 from lcitool.application import Application
 
+log = logging.getLogger(__name__)
+
 
 class CommandLine:
 
@@ -279,5 +283,17 @@ class CommandLine:
             parents=[manifestopt, dryrunopt, quietopt, basediropt, cidiropt])
         manifestparser.set_defaults(func=Application._action_manifest)
 
+    # Validate "container" args
+    def _validate(self, args):
+        """
+        Validate command line arguments.
+        :param args: argparse.Namespace object which contains
+                     all the CLI arguments.
+
+        :return: args.
+        """
+
+        return args
+
     def parse(self):
-        return self._parser.parse_args()
+        return self._validate(self._parser.parse_args())