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check_version

Python version enforcement for page_dewarp.

This module checks the running Python version, and exits if it is below the minimum supported version (3.9).

enforce_version 

enforce_version() -> None

Raise SystemExit if running on an unsupported Python version.

Source code in src/page_dewarp/check_version.py 
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def enforce_version() -> None:
    """Raise `SystemExit` if running on an unsupported Python version."""
    if (ver := sys.version_info) < MIN_SUPPORTED_V:
        user_warn = f"Python {ver.major}.{ver.minor} is not supported"
        msg = f"{user_warn}: Please use Python {'.'.join(MIN_SUPPORTED_V)} or higher.\n"
        sys.stderr.write(msg)
        sys.exit(1)
    return