from pip_services3_components.build import Factory 
from pip_services3_commons.refer import Descriptor

MyFactory1 = Factory()

class ClassA:   
    
    def __init__(self):
        print("classA created")

classA_descriptor = Descriptor("mygroup", "class", "classA", "classA", "1.0")

MyFactory1.register_as_type(classA_descriptor, ClassA)

MyFactory1.create(classA_descriptor)