def __init__(self): # initialize meta data markup language self.mdml = MDML() # initialize root directory root = self.mdml.getRoot() stat = Stat() stat.setDefaultContext(os.getuid(), os.getgid()) stat.setDirectory() for key, value in stat.getStringItems(): root.set(key, value)
class Metadata:
def __init__(self):
# initialize meta data markup language
self.mdml = MDML()
# initialize root directory
root = self.mdml.getRoot()
stat = Stat()
stat.setDefaultContext(os.getuid(), os.getgid())
stat.setDirectory()
for key, value in stat.getStringItems():
root.set(key, value)
def getNode(self, path):
return self.mdml.getNode(path)
def getChildNodes(self, path):
lists = []
nodes = self.mdml.getChildNodes(path)
for node in nodes:
lists.append(node.get('name'))
return lists
def stat(self, node):
stat = Stat()
stat.setStringItems(node)
return stat
def make_directory(self, path, name):
# make new node
new_node = self.mdml.addNode(path, name)
if new_node == None:
return None
# initialize directory
stat = Stat().setDefaultContext().setDirectory()
for key, value in stat.getStringItems():
new_node.set(key, value)
return new_node
def remove_directory(self, path, name):
self.mdml.removeNode(path, name)
def make_file(self, path, name):
# make new node
new_node = self.mdml.addNode(path, name)
if new_node == None:
return None
# initialize file
stat = Stat().setDefaultContext().setFile()
for key, value in stat.getStringItems():
new_node.set(key, value)
return new_node
def remove_file(self, path, name):
self.mdml.removeNode(path, name)
def change_ownership(self, path, uid, gid):
node = self.mdml.getNode(path)
if node == None:
return False
# update time
if uid != -1: node.set("st_uid", str(uid))
if gid != -1: node.set("st_gid", str(gid))
return True
def update_times(self, path, times):
node = self.mdml.getNode(path)
if node == None:
return None
# update time
node.set("st_atime", str(times[0]))
node.set("st_mtime", str(times[1]))
def update_size(self, path, size):
node = self.mdml.getNode(path)
if node == None:
return None
# update size
node.set("st_size", str(size))
def __str__(self):
return str(self.mdml)
