In message , Nikola Skoric wrote:
> I have a file full of lines which I parse into Line objects. I also
> have two subclasses of Line, namely Individual and Family. Constructor
> of both subclasses needs all Line objects in the file to be
> constructed, so I cannot construct subclass objects in th
John Nagle writes:
> On 10/25/2010 7:38 AM, Tim Chase wrote:
>> While a dirty hack for which I'd tend to smack anybody who used it...you
>> *can* assign to instance.__class__
>
>That's an implementation detail of CPython. May not work in
> IronPython, Unladen Swallow, PyPy, or Shed Skin.
>
>
On 10/25/2010 12:56 PM, John Nagle wrote:
On 10/25/2010 7:38 AM, Tim Chase wrote:
While a dirty hack for which I'd tend to smack anybody who used it...you
*can* assign to instance.__class__
That's an implementation detail of CPython. May not work in
IronPython, Unladen Swallow, PyPy, or
Nikola Skoric writes:
> Hi everybody,
>
> I need to downcast an object, and I've read repeatedly that if you
> need to downcast, you did something wrong in the design phase. So,
> instead of asking how do you downcast in python, let me explain my
> situation.
>
> I have a 2-pass parser. 1st pass
> Hi everybody,
>
> I need to downcast an object, and I've read repeatedly that if you
> need to downcast, you did something wrong in the design phase. So,
> instead of asking how do you downcast in python, let me explain my
> situation.
>
> I have a 2-pass parser. 1st pass ends up with a bunch o
On 10/25/2010 7:38 AM, Tim Chase wrote:
While a dirty hack for which I'd tend to smack anybody who used it...you
*can* assign to instance.__class__
That's an implementation detail of CPython. May not work in
IronPython, Unladen Swallow, PyPy, or Shed Skin.
(An implementation with a JIT h
Dana Mon, 25 Oct 2010 09:38:42 -0500,
Tim Chase kaze:
> While a dirty hack for which I'd tend to smack anybody who used
> it...you *can* assign to instance.__class__
Wow! Python never stops to amaze me.
> If it breaks you get to keep all the parts :)
Yes, I can see great potential for shit hi
While a dirty hack for which I'd tend to smack anybody who used
it...you *can* assign to instance.__class__
>>> class A:
... def __init__(self, name):
... self.name = name
... def __str__(self): return self.name
...
>>> class B(A):
... def foo(self): print "I'm B: %r" % s
Hi everybody,
I need to downcast an object, and I've read repeatedly that if you
need to downcast, you did something wrong in the design phase. So,
instead of asking how do you downcast in python, let me explain my
situation.
I have a 2-pass parser. 1st pass ends up with a bunch of superclass
obj
