Stef Mientki wrote:
> I would like to make a shortcut for this:
> self.Brick.Par [ self.EP[0] ] =
>
> something like this:
> self.P[0] =
>
>
> is that possible, otherwise than by eval / exec ?
class Brick(object):
def __init__(self):
self.Par = [1,2,3]
class P(object):
def __init__(self, parent):
self.parent = parent
def __setitem__(self, index, value):
p = self.parent
p.Brick.Par[p.EP[index]] = value
class A(object):
def __init__(self):
self.Brick = Brick()
self.EP = [2,1,0]
self.P = P(self)
def demo(self):
print "before:", self.Brick.Par
self.P[0] = "shortcut"
print "after:", self.Brick.Par
a = A()
a.demo()
You can of course simplify things if you move the P.__setitem__() method
into A and drop the helper class P.
Peter
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