Calling function from another staticmethod function within a class

Question

I have the following code, where from cool_function() I'd like to call somefunc()

class MyKlass:

    # This function is to be internally called only
    def somefunc(self,text):
        return (text + "_NEW")

    @staticmethod
    def cool_function(ixdirname, ixname):
        tmp = self.somefunc(ixname)
        print ixdirname, ixname, tmp
        return


tmp = MyKlass.cool_function("FOODIR","FOO")

The result I want it to print out is:

FOODIR, FOO, FOO_NEW

What's the way to do it? Currently it prints this:

    tmp = self.somefunc(ixname)
NameError: global name 'self' is not defined

so... why do you have a staticmethod at all? Like ever in any code? What relationship does cool_function bear on MyKlass? — SingleNegationElimination
– SingleNegationElimination, Commented May 30, 2014 at 1:21

score 3 · Accepted Answer · 2014-05-30 01:32:16Z

3

You may want to do this:

class MyClass:
    @staticmethod
    def somefunc(text):
        return text + '_NEW'
    @staticmethod
    def cool_function(ixdirname, ixname):
        tmp = MyClass.somefunc(ixname)
        print((ixdirname, ixname, tmp))
        return

MyClass.cool_function('FOODIR', 'FOO')

edited May 30, 2014 at 1:32

answered May 30, 2014 at 1:18

user1129665

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7 Comments

pdubois Over a year ago

I tried it gave me this: TypeError: unbound method somefunc() must be called with MyClass instance as first argument (got str instance instead)

garnertb Over a year ago

@pdubois, You'd have to add the self back in the somefunc method parameter. I've updated this answer.

pdubois Over a year ago

@garnertb: I tried, same problem. Did I miss anything?

garnertb Over a year ago

Yes, the both methods need to be static methods or you need to use an instance of MyClass. The code is now correct.

user1129665 Over a year ago

@pdubois Does nesting somefunc under cool_function works out for you?

|

garnertb · Accepted Answer · 2014-05-30 01:18:13Z

2

Call it with class.method, for example:

tmp = MyKlass.somefunc(ixname)

answered May 30, 2014 at 1:18

garnertb

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