INNER CODE UNIT · Python

_run

browser-use/bux · agent/box_agent.py:450

		def _run(args: list[str]) -> int:
			# box-agent already runs as bux (systemd User=bux), so direct
			# /usr/bin/tmux invocations share the same default socket as
			# the pty child. No sudo gymnastics needed.
			try:
				return subprocess.run(
					['/usr/bin/tmux', *args],
					stdin=subprocess.DEVNULL,
					stdout=subprocess.DEVNULL,
					stderr=subprocess.DEVNULL,
					timeout=5,
				).returncode
			except Exception:
				return 1

		# `has-session` exits 0 if the window exists. Cheap probe.
		exists = _run(['has-session', '-t', window_id]) == 0
		if exists:

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