DictoList

dictolist.py

class DictoList:
	def __init__(self):
		self.d = {}
	def add_keys(self, *keys):
		d = self.d
		for k in keys:
			if not k in d:
				d[k] = {}
			d = d[k]
	def get(self, *keys):
		d = self.d
		for k in keys:
			if not k in d:
				return []
			d = d[k]
		return d.keys()
	def level(self, d, level):
		s = ""
		for key in d.keys():
			s = s + "\n" + "  " * level + key + self.level(d[key], level + 1)
		return s
	def __str__(self):
		return "DictoList:" + self.level(self.d, 1)

example.md

Example

d = DictoList()
d.add_keys("a", "b")
DictoList:
  a
    b

d.add_keys("a", "b", "x1")
DictoList:
  a
    b
      x1

d.add_keys("a", "b", "x2")
DictoList:
  a
    b
      x2
      x1

d.add_keys("a", "c")
DictoList:
  a
    c
    b
      x2
      x1

d.get("a")
['c', 'b']

d.get("a", "b")
['x2', 'x1']

d.get("a", "?")
[]