def filesizeformat(bytes):
 try:
  bytes = float(bytes)
 except (TypeError, ValueError, UnicodeDecodeError):
  return (ungettext('%(size)d byte', '%(size)d bytes', 0) % {'size': 0})
 filesize_number_format = (lambda value: formats.number_format(round(value, 1), 1))
 if (bytes < 1024):
  return (ungettext('%(size)d byte', '%(size)d bytes', bytes) % {'size': bytes})
 if (bytes < (1024 * 1024)):
  return (ugettext('%s KB') % filesize_number_format((bytes / 1024)))
 if (bytes < ((1024 * 1024) * 1024)):
  return (ugettext('%s MB') % filesize_number_format((bytes / (1024 * 1024))))
 if (bytes < (((1024 * 1024) * 1024) * 1024)):
  return (ugettext('%s GB') % filesize_number_format((bytes / ((1024 * 1024) * 1024))))
 if (bytes < ((((1024 * 1024) * 1024) * 1024) * 1024)):
  return (ugettext('%s TB') % filesize_number_format((bytes / (((1024 * 1024) * 1024) * 1024))))
 return (ugettext('%s PB') % filesize_number_format((bytes / ((((1024 * 1024) * 1024) * 1024) * 1024))))

def filesizeformat ( bytes ) : try : bytes = float ( bytes ) except ( TypeError , ValueError , UnicodeDecodeError ) : return ( ungettext ( '%(size)d byte' , '%(size)d bytes' , 0 ) % { 'size' : 0 } ) filesize_number_format = ( lambda value : formats . number_format ( round ( value , 1 ) , 1 ) ) if ( bytes < 1024 ) : return ( ungettext ( '%(size)d byte' , '%(size)d bytes' , bytes ) % { 'size' : bytes } ) if ( bytes < ( 1024 * 1024 ) ) : return ( ugettext ( '%s KB' ) % filesize_number_format ( ( bytes / 1024 ) ) ) if ( bytes < ( ( 1024 * 1024 ) * 1024 ) ) : return ( ugettext ( '%s MB' ) % filesize_number_format ( ( bytes / ( 1024 * 1024 ) ) ) ) if ( bytes < ( ( ( 1024 * 1024 ) * 1024 ) * 1024 ) ) : return ( ugettext ( '%s GB' ) % filesize_number_format ( ( bytes / ( ( 1024 * 1024 ) * 1024 ) ) ) ) if ( bytes < ( ( ( ( 1024 * 1024 ) * 1024 ) * 1024 ) * 1024 ) ) : return ( ugettext ( '%s TB' ) % filesize_number_format ( ( bytes / ( ( ( 1024 * 1024 ) * 1024 ) * 1024 ) ) ) ) return ( ugettext ( '%s PB' ) % filesize_number_format ( ( bytes / ( ( ( ( 1024 * 1024 ) * 1024 ) * 1024 ) * 1024 ) ) ) )
format the value like a human-readable file size .