withenv_byname.py

def withenv(name):
    def inenv(func):
        def new_func(*args, **kwargs):
            print 'withenv {}'.format(name)
            func(*args, **kwargs)
        return new_func
    return inenv

def withenv_byname(func):
    def new_func(self, *args, **kwargs):
        withenv(self.name)(func)(self, *args, **kwargs)
    return new_func
        
class Foo(object):
    def __init__(self, name):
        self.name = name
        
    @withenv_byname
    def run(self):
        print 'hello!!'
        

f = Foo('worker-0')
f.run()

withenv_byname2.py

def withenv(name):
    def inenv(func):
        def new_func(*args, **kwargs):
            print 'withenv {}'.format(name)
            func(*args, **kwargs)
        return new_func
    return inenv


class Foo(object):
    def __init__(self, name):
        self.name = name

    def withenv_byname(func):
        def new_func(self, *args, **kwargs):
            withenv(self.name)(func)(self, *args, **kwargs)
        return new_func

    @withenv_byname
    def run(self):
        print 'running...'

if __name__ == '__main__':
    f = Foo('my foo')
    f.run()