> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]
> g] On Behalf Of Dan Lenski
> Sent: Monday, November 13, 2006 7:05 PM
> Subject: Re: Singleton Class Exception
>
> dischdennis wrote:
> > the line "raise Singleton.__single&qu
I threw together two different singleton classes. They both ensure
that the initializers and destructors can be called at most once. (The
ImmortalSingleton won't ever have its destructor called unless the
programmer manually forces things.)
I haven't extensively tested these things, so handle th
dischdennis wrote:
> the line "raise Singleton.__single" invokes in my class the following
> error:
>
> exceptions must be classes, instances, or strings (deprecated), not
> PurchaseRequisitionController
Denis,
Jason's explanation is correct! You are trying to use the Singleton
instance as the ex
dischdennis wrote:
> Hello List,
>
> I would like to make a singleton class in python 2.4.3, I found this
> pattern in the web:
>
> class Singleton:
> __single = None
> def __init__( self ):
> if Singleton.__single:
> raise Singleton.__single
> Singleton.__single
Hello List,
I would like to make a singleton class in python 2.4.3, I found this
pattern in the web:
class Singleton:
__single = None
def __init__( self ):
if Singleton.__single:
raise Singleton.__single
Singleton.__single = self
the line "raise Singleton.__s
