Function get_case_folding_rules

scripts/test_helpers.py:130–140

Download and parse Unicode CaseFolding.txt, caching in temp directory. Args: version: Unicode version string (e.g., "17.0.0") Returns: Dict mapping codepoints to their folded UTF-8 bytes

(version: str = UNICODE_VERSION)

def get_case_folding_rules(version: str = UNICODE_VERSION) -> Dict[int, bytes]:
    """Download and parse Unicode CaseFolding.txt, caching in temp directory.

    Args:
        version: Unicode version string (e.g., "17.0.0")

    Returns:
        Dict mapping codepoints to their folded UTF-8 bytes
    """
    cache_path = _download_case_folding_file(version)
    return parse_case_folding_file(cache_path)


def get_case_folding_rules_as_codepoints(