Composite Pattern

gistfile1.txt

class Entry:
  def add():
    pass
  def getName():
    pass

class File_(Entry):
  def __init__(self, name):
    self.__name = name
  def add(self):
    pass
  def getName(self):
    return self.__name
  def print(self):
    print(self.getName())

class Directory(Entry):
  def __init__(self, name):
    self.__directory = []
    self.__name = name
  def add(self, e):
    self.__directory.append(e)
  def getName(self):
    return self.__name
  def print(self):
    print(self.getName())
    for e in self.__directory:
      e.print()

d = Directory("d1")
d.add(File_("f1"))
d.add(File_("f2"))
d.print()