def _FormatHumanReadableSize(self, size):
    magnitude_1000 = 0
    size_1000 = float(size)
    while size_1000 >= 1000:
      size_1000 /= 1000
      magnitude_1000 += 1

    magnitude_1024 = 0
    size_1024 = float(size)
    while size_1024 >= 1024:
      size_1024 /= 1024
      magnitude_1024 += 1

    size_string_1000 = None
    if magnitude_1000 > 0 and magnitude_1000 <= 7:
      size_string_1000 = u'{0:.1f}{1:s}'.format(
          size_1000, self._UNITS_1000[magnitude_1000])

    size_string_1024 = None
    if magnitude_1024 > 0 and magnitude_1024 <= 7:
      size_string_1024 = u'{0:.1f}{1:s}'.format(
          size_1024, self._UNITS_1024[magnitude_1024])

    if not size_string_1000 or not size_string_1024:
      return u'{0:d} B'.format(size)

    return u'{0:s} / {1:s} ({2:d} B)'.format(
        size_string_1024, size_string_1000, size)
Create a new float column on the table.
dataset/ETHPy150Open log2timeline/dfvfs/examples/recursive_hasher.py/RecursiveHasherVolumeScannerMediator._FormatHumanReadableSize--crossover with--dataset/ETHPy150Open sdispater/orator/orator/schema/blueprint.py/Blueprint.float