Properties vs. get/set-methods

Mark McEahern marklists at mceahern.com
Thu Aug 22 14:33:52 CEST 2002


> When using properties, I can't use val to save the state.
> Accessing self.val would lead to infinite recursion here. So, if I
> want to save the state, I'd have to introduce another attribute.

The answer is embodied in this sample code:

class foo(object):

  def __init__(self):
    self._val = None

  def setVal(self, val):
    self._val = val

  def getVal(self):
    return self._val

  val = property(getVal, setVal)

Where's the infinite recursion in this?

Cheers,

// m
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