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simplify command execution

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This commit is contained in:
Jakob Ketterl 2019-12-05 21:07:56 +01:00
parent ba5613cf62
commit c8ddb121d0
1 changed files with 8 additions and 1 deletions
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9
owrx/source.py
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@ -14,6 +14,7 @@ import signal
import sys import sys
import socket import socket
import logging import logging
import shlex
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@ -241,7 +242,13 @@ class SdrSource(object):
self.port, self.port,
) )
self.process = subprocess.Popen(cmd, shell=True, preexec_fn=os.setpgrp) # don't use shell mode for commands without piping
if "|" in cmd:
self.process = subprocess.Popen(cmd, shell=True, preexec_fn=os.setpgrp)
else:
# preexec_fn can go as soon as there's no piped commands left
# the os.killpg call must be replaced with something more reasonable at the same time
self.process = subprocess.Popen(shlex.split(cmd), preexec_fn=os.setpgrp)
logger.info("Started rtl source: " + cmd) logger.info("Started rtl source: " + cmd)
available = False available = False