47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
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#!/usr/bin/env python3
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"""Enter an allocated pseudo-terminal and invoke the real MMO TUI launcher."""
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from __future__ import annotations
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import fcntl
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import json
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import os
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import sys
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import termios
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from mmo_runtime import launch_interactive
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def main() -> int:
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try:
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# Popen(start_new_session=True) made this process a session leader. The
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# slave PTY descriptors were inherited, so explicitly claim the terminal
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# before MMO performs normal foreground process-group handoff.
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fcntl.ioctl(sys.stdin.fileno(), termios.TIOCSCTTY, 0)
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os.tcsetpgrp(sys.stdin.fileno(), os.getpgrp())
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initial = termios.tcgetattr(sys.stdin.fileno())
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exit_code = launch_interactive(profile=sys.argv[1], cwd=sys.argv[2])
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restored = termios.tcgetattr(sys.stdin.fileno())
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print(
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json.dumps(
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{
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"event": "launcher_returned",
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"exit_code": exit_code,
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"echo_enabled": bool(restored[3] & termios.ECHO),
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"attributes_restored": restored == initial,
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"pgrp": os.getpgrp(),
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"foreground_pgrp": os.tcgetpgrp(sys.stdin.fileno()),
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},
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sort_keys=True,
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),
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flush=True,
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)
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return exit_code
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except BaseException as exc:
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print(json.dumps({"event": "launcher_error", "error": repr(exc)}), flush=True)
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return 97
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if __name__ == "__main__":
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raise SystemExit(main())
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