listing all property variables of a class instance

[André]

On Jun 25, 2:09 pm, Neil Cerutti <horp... at yahoo.com> wrote:
> On 2007-06-25, André <andre.robe... at gmail.com> wrote:
>
>
>
> > Suppose I define a class with a number of variables defined as
> > properties.  Something like:
>
> > class MyClass(object):
>
> >     def __init__(self):
> >         self.some_variable = 42
> >         self._a = None
> >         self._b = "pi"
>
> >     def get_a(self):
> >         return self._a
> >     def set_a(self, value):
> >         self._a = value
>
> >     def get_b(self):
> >         return self._b
> >     def set_b(self, value):
> >         self._b = value
>
> >     a = property(get_a,  set_a, None, "a is a property")
> >     b = property(get_b,  set_b, None, "b is a property")
>
> > Is there a way to write a method that would list automatically
> > all the variables defined as a property (say by printing their
> > docstring and/ or their value), and only those variables?
>
> This is off the cuff. There's likely a better way.
>
> for k, v in MyClass.__dict__.iteritems():
>   if isinstance(v, property):
>     print k, v.__doc__

Thank you, this solved my problem nicely.

André

>
> --
> Neil Cerutti
> 22 members were present at the church meeting held at the home of Mrs. Marsha
> Crutchfield last evening. Mrs. Crutchfield and Mrs. Rankin sang a duet, The
> Lord Knows Why. --Church Bulletin Blooper