ruamel.yaml 0.19.1 Y12 'no' -> 'no' Y12 'NO' -> 'NO' Y12 'yes' -> 'yes' Y12 'on' -> 'on' Y12 'off' -> 'off' Y12 'y' -> 'y' Y12 '010' -> 10 Y12 '0o10' -> 8 Y12 '0x1F' -> 31 Y12 '1_000' -> 1000 Y12 '1e3' -> 1000.0 Y12 '1.0e3' -> 1000.0 Y12 '.inf' -> inf Y12 '~' -> None Y12 'null' -> None Y12 '2001-12-14' -> datetime.date(2001, 12, 14) Y12 '12:30:45' -> '12:30:45' Y12 '1:30' -> '1:30' Y12 'country: NO' -> {'country': 'NO'} Y12 '0.5' -> 0.5 Y12 '+1' -> 1 Y12 '1_0.5' -> 10.5 Y12 dup key -> DuplicateKeyError while constructing a mapping Y12 alias bomb leaves 59049 input bytes 166