index.python

#!/usr/bin/python

import os

import sys

basepath_ = os.path.dirname(os.path.realpath(__file__))

modulepath_  = os.path.join(basepath_,"modules")

sys.path.append(os.path.join(modulepath_,"test1"))


import test2


a = test2.test('test')

b = a.test3()

print b


modules/test1/test2.py

#!/usr/bin/python

class test:

        def __init__(self,a):

                self.source=a;

        def test3(self):

                return self.source