Make DACS script executable and add error if expected tool file not f…

…ound (project-chip#15148)
jamesluo11 · Apr 26, 2022 · fea9730 · fea9730
1 parent 19c8bb5
commit fea9730
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/tools/chip-cert/dacs.py b/src/tools/chip-cert/dacs.py
@@ -1,4 +1,7 @@
+#!/usr/bin/env python
+
 import argparse
+import os
 import subprocess
 import sys
 import typing
@@ -113,6 +116,9 @@ def __init__(self, cert_type: CertType, dev_dir: str, test_dir: str, chip_cert_d
         self.cert_type = cert_type
         self.chipcert = chip_cert_dir + 'chip-cert'
 
+        if not os.path.exists(self.chipcert):
+            raise Exception('Path not found: %s' % self.chipcert)
+
         paa = Names(CertType.PAA, test_dir, dev_dir, pid)
         pai = Names(CertType.PAI, test_dir, dev_dir, pid)
         dac = Names(CertType.DAC, test_dir, dev_dir, pid)