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, 3 insertions, 1 deletions

diff --git a/ogclient b/ogclient
index b302641..39aa3a6 100755
--- a/ogclient
+++ b/ogclient
@@ -13,6 +13,7 @@ import logging
 import argparse
 import platform
 import subprocess
+import shutil
 try:
 	from signal import SIG_DFL, SIGPIPE
 except ImportError:
@@ -79,7 +80,8 @@ def main():
 	LOGLEVEL = CONFIG['opengnsys']['log']
 
 	if MODE == 'live':
-		proc = subprocess.Popen(["browser", "-qws", URL])
+		if shutil.which('browser'):
+			proc = subprocess.Popen(["browser", "-qws", URL])
 	if MODE != 'windows':
 		signal.signal(SIGPIPE, SIG_DFL)