From 087dd29560a157dcf59aa18ed688d3f5b5edfd99 Mon Sep 17 00:00:00 2001
From: liuhongtong <liuhongtong@jd.com>
Date: Fri, 29 Nov 2019 11:12:58 +0800
Subject: [PATCH] utils: casctl needs python 3.5+

opencas.py invokes subprocess.run().
Only python 3.5 and later versions support subprocess.run().

Signed-off-by: liuhongtong <hongtongliu@126.com>
---
 utils/casctl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/utils/casctl b/utils/casctl
index 8b94770..5912c6a 100755
--- a/utils/casctl
+++ b/utils/casctl
@@ -9,6 +9,9 @@ import sys
 import re
 import opencas
 
+if sys.version_info < (3, 5):
+    raise RuntimeError('At least Python 3.5 is required')
+
 def eprint(*args, **kwargs):
     print(*args, file=sys.stderr, **kwargs)