How to run initialization code before tests when using Python's unittest module as a testrunner?

Question

How can a user of a library run his own initialization code (setting debug levels of loggers for example) before running tests supplied with the library? Python\'s uni

Answer 1

Answer from similar question is more helpful here:

How to a run a specific code before & after each unit test in python

I used python setUpClass method https://docs.python.org/2/library/unittest.html#unittest.TestCase.setUpClass

setUpClass()
A class method called before tests in an individual class are run. setUpClass is called with the class as the only argument and must be decorated as a classmethod():

@classmethod
def setUpClass(cls):
    ...

I run my tests like this:

python -m unittest discover -v