Synnefo » snf-ganeti

def BytesToMebibyte(value):

  """Converts bytes to mebibytes.

  @type value: int

  @param value: Value in bytes

  @rtype: int

  @return: Value in mebibytes

  """

  return int(round(value / (1024.0 * 1024.0), 0))

def CalculateDirectorySize(path):

  """Calculates the size of a directory recursively.

  @type path: string

  @param path: Path to directory

  @rtype: int

  @return: Size in mebibytes

  """

  size = 0

  for (curpath, _, files) in os.walk(path):

    for file in files:

      st = os.lstat(os.path.join(curpath, file))

      size += st.st_size

  return BytesToMebibyte(size)

def GetFreeFilesystemSpace(path):

  """Returns the free space on a filesystem.

  @type path: string

  @param path: Path on filesystem to be examined

  @rtype: int

  @return: Free space in mebibytes

  """

  st = os.statvfs(path)

  return BytesToMebibyte(st.f_bavail * st.f_frsize)