[Python] Calling a method using an argument

def test(self,arg):
return getattr(self, arg)

Oops, missed the calling:

def test(self,arg):
return getattr(self, arg)()


If you have more args, do this:

def test(self, *args):
return getattr(self, args[0])(*args[1:])

This would be cleaner written as:

def test(self, method, *args):
return getattr(self, method)(*args)

and for complete generality:

def test(self, method, *args, **kw):
return getattr(self, method)(*args, **kw)

Yup, forgot abount that.

In addition to Diez's point, I'd also point out you can do that from
outside the class:

Python 2.3.4 (#1, Jan 25 2005, 21:29:33)
[GCC 3.4.3 (Gentoo Linux 3.4.3, ssp-3.4.3-0, pie-8.7.6.6)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
... def hello(self):
... print "hello"
...
hello
>>>

which may be more useful depending on what you are doing. I mention this
because you are essentially re-implementing 'getattr' as a method of your
object and it is likely you don't *really* want to do that, but I don't
know, since we don't know what you are doing with this.

Dear All,

Many thanks

Colin
"C Gillespie" <csgcsg39 at hotmail.com> wrote in message
news:ctth3v$o2r$1 at ucsnew1.ncl.ac.uk...