asdf <[EMAIL PROTECTED]> wrote:
(Presumably nothing to do with the Common Lisp system-definition utility.)
> So for example if I know that var1=jsmith. Can I somehow do
> var1=User().
Something like this might work.
class User (object):
def __init__(me, name):
me.name = name
class Users (object):
def __getattr__(me, name):
try:
return object.__getattr__(me, name)
except AttributeError:
u = me.__dict__[name] = User(name)
return u
>>> users = Users()
>>> alice = users.alice
>>> alice.name
'alice'
>>> alice is users.alice
True
Not very nice, though, and not particularly good at defending against
typos.
> My second question is how can I check if object is a member of a class.
> so let's say I create a=User(), b=User()...
The built-in isinstance function seems an obvious choice.
-- [mdw]
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