ufl team mailing list archive

["Martin Sandve Alnæs" <martinal@xxxxxxxxx>]

2008/4/2, Anders Logg <logg@xxxxxxxxx>:
> On Wed, Apr 02, 2008 at 12:27:45PM +0200, Martin Sandve Alnæs wrote:
>  > In Python, variables are made private or protected in an "informal
>  > way" by prefixing their names with __ or _. Some places I've used
>  > self._foo instead of self.foo for variables which the end-user (person
>  > inputting a form) shouldn't touch, do you agree with this? Most of
>  > these are variables the form compiler developers will be dealing with.
>  > I haven't been completely consistent, so I just want green light
>  > before I change these one way or the other.
>
>
> Agree, but shouldn't it be two underscores?

Two underscores makes it private, which is inaccessible(*) by anyone
outside the class, I don't think we have any such variables.

Try running this code:

class B:
    def __init__(self):
        self.a = 1
        self._b = 2
        self.__c = 3

b = B()

print b.a
print b._b
print b.__c

--
Martin