def _cached_css_compile(pattern, namespaces, custom, flags):
    """Cached CSS compile."""

    custom_selectors = process_custom(custom)
    return cm.SoupSieve(
        pattern,
        CSSParser(pattern, custom=custom_selectors, flags=flags).process_selectors(),
        namespaces,
        custom,
        flags
    )
def _cached_css_compile ( pattern , namespaces , custom , flags ) : custom_selectors = process_custom ( custom ) return cm . SoupSieve ( pattern , CSSParser ( pattern , custom = custom_selectors , flags = flags ) . process_selectors ( ) , namespaces , custom , flags )
Cached CSS compile.