live: disable browser operations if the binary is missing

Add shutils.which checks before every browser operations to
skip the subprocess call if the binary is missing.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/live/ogOperations.py b/src/live/ogOperations.py
index 76999ba..77e6514 100644
--- a/src/live/ogOperations.py
+++ b/src/live/ogOperations.py
@@ -48,6 +48,9 @@ class OgLiveOperations:
         self._smb_pass = config['samba']['pass']
 
     def _restartBrowser(self, url):
+        if not shutil.which('browser'):
+            return
+
         try:
             proc = subprocess.call(["pkill", "-9", "browser"])
             proc = subprocess.Popen(["browser", "-qws", url])
@@ -353,7 +356,7 @@ class OgLiveOperations:
         umount_cache()
         if subprocess.run(cmd_ethtool).returncode != 0:
             logging.error('Error running ethtool subprocess')
-        if subprocess.run(cmd_browser).returncode != 0:
+        if shutil.which('browser') and subprocess.run(cmd_browser).returncode != 0:
             logging.error('Error terminating ogBrowser process')
         if subprocess.run(cmd_busybox) != 0:
             logging.error('Error running "busybox poweroff" subprocess')