Fredrik Lundh wrote:
> Jerry wrote:
>
> > even though I've read the PEP
>
> even the examples section?
>
> http://www.python.org/dev/peps/pep-0318/#examples
>
The second example of which shows :
Define a class with a singleton instance. Note that once the class
disappears enterprising programmers would have to be more creative to
create more instances. (From Shane Hathaway on python-dev.)
def singleton(cls):
instances = {}
def getinstance():
if cls not in instances:
instances[cls] = cls()
return instances[cls]
return getinstance
@singleton
class MyClass:
...
:-o
Fuzzyman
http://www.voidspace.org.uk/
> if you want more examples, see the cookbook
>
> http://www.google.com/search?q=+site%3Aaspn.activestate.com+decorator+cookbook
>
> </F>
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