Function print_banner

src/core/logging_utils.py:276–316

Print an ASCII startup banner with color fallbacks.

(version: str, *, stream=None)

def print_banner(version: str, *, stream=None) -> None:
    """Print an ASCII startup banner with color fallbacks."""
    stream = stream or sys.stderr
    color = _supports_color(stream)

    def c(code: str) -> str:
        return code if color else ""

    art = [
        " __  __    _    ____ _____ _____ ____  ",
        "|  \\/  |  / \\  / ___|_   _| ____|  _ \\ ",
        "| |\\/| | / _ \\ \\___ \\ | | |  _| | |_) |",
        "| |  | |/ ___ \\ ___) || | | |___|  _ < ",
        "|_|  |_/_/   \\_\\____/ |_| |_____|_| \\_\\",
        "      _   _ _____ _____ ____     ____  _____ _        _ __   __",
        "     | | | |_   _|_   _|  _ \\   |  _ \\| ____| |      / \\\\ \\ / /",
        "     | |_| | | |   | | | |_) |  | |_) |  _| | |     / _ \\\\ V / ",
        "     |  _  | | |   | | |  __/   |  _ <| |___| |___ / ___ \\| |  ",
        "     |_| |_| |_|   |_| |_|      |_| \\_\\_____|_____/_/   \\_\\_|  ",
    ]
    version_line = f"Version {version}"
    link = "https://github.com/masterking32/MasterHttpRelayVPN"
    width = max(max(len(line) for line in art), len(version_line), len(link))
    rule = "=" * width

    if color:
        print(f"{DIM}{FG_GRAY}{rule}{RESET}", file=stream)
        for line in art:
            print(f"{BOLD}{FG_CYAN}{line.center(width)}{RESET}", file=stream)
        print(f"{FG_GRAY}{version_line.center(width)}{RESET}", file=stream)
        print(f"{FG_TEAL}{link.center(width)}{RESET}", file=stream)
        print(f"{DIM}{FG_GRAY}{rule}{RESET}", file=stream)
    else:
        print(rule, file=stream)
        for line in art:
            print(line.center(width), file=stream)
        print(version_line.center(width), file=stream)
        print(link.center(width), file=stream)
        print(rule, file=stream)

    stream.flush()