/run.py

import sys

from admin import ensure_daemon
from helpers import *


def main():
    if sys.stdin.isatty():
        sys.exit(
            "browser-harness reads Python from stdin. Use:\n"
            "  browser-harness <<'PY'\n"
            "  print(page_info())\n"
            "  PY"
        )
    ensure_daemon()
    exec(sys.stdin.read())


if __name__ == "__main__":
    main()