How can I import a python module function dynamically?

Question

Assuming my_function() is located in my_apps.views I would like to import my_function dynamically without using something like exec or

Answer 1

def import_by_string(full_name):
    module_name, unit_name = full_name.rsplit('.', 1)
    return getattr(__import__(module_name, fromlist=['']), unit_name)


exists = import_by_string("os.path.exists")