def unlink(self, path):
if Format.check_file_data(Format, path):
self.data.pop(path)
Format.clear_data_block(Format, path)
self.files.pop(path)
Format.clear_metadata_block(Format, path)
def rmdir(self, path):
# with multiple level support, need to raise ENOTEMPTY if contains any files
length = len(path)
flag = True
for x in self.files:
# if the first part is equal to path and the total length is longer than path
# which mean it inside the path.
if (x[0:length] == path) & (len(x) > length):
flag = False
if flag:
self.files.pop(path)
Format.clear_metadata_block(Format, path)
else:
raise ENOTEMPTY
# find the parent path and reduce the nlink by 1.
parent_path = Format.find_parent_path(Format, path)
self.files[parent_path]['st_nlink'] -= 1
Format.update_nlink(Format, parent_path, -1)
