From cd77f0b8c8a498ade1e454beaf17531a00d62a0c Mon Sep 17 00:00:00 2001
From: allegroai <>
Date: Tue, 29 Sep 2020 19:15:11 +0300
Subject: [PATCH] Add ArgParser default help (if not provided)

---
 trains/backend_interface/task/args.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/trains/backend_interface/task/args.py b/trains/backend_interface/task/args.py
index e9d411a9..04b045d2 100644
--- a/trains/backend_interface/task/args.py
+++ b/trains/backend_interface/task/args.py
@@ -102,7 +102,11 @@ class _Arguments(object):
                 for a in actions
             }
 
-        desc_ = {a.dest: a.help for a in actions}
+        desc_ = {
+            a.dest: a.help or (
+                '{}default: {}'.format('choices: {}, '.format(a.choices) if a.choices else '',
+                                       defaults_.get(a.dest, '')))
+            for a in actions}
         descriptions.update(desc_)
         types_ = {a.dest: (a.type or None) for a in actions}
         arg_types.update(types_)