docs: def get_obj_store_free_space_bytes():
      """Return total free space available on the disk on which the object storage resides
      (in bytes)"""
      obj_store_path = django.conf.settings.OBJECT_STORE_PATH
      if platform.system() == 'Windows':
          free_bytes = ctypes.c_ulonglong(0)
          ctypes.windll.kernel32.GetDiskFreeSpaceExW(
              ctypes.c_wchar_p(obj_store_path), None, None, ctypes.pointer(free_bytes)
          )
          return free_bytes.value
      else:
          return os.statvfs(obj_store_path).f_bfree * os.statvfs(obj_store_path).f_frsize