Instantiate all the classes in a target module without explicitly naming them

full_module_class_instantiation.py

import sys
from datetime import datetime


class GoogleNewsScraper():

    def __init__(self):
        self.date_modified = datetime.today()

    def scrape(self):
        print(f"scraping data from google news: {self.date_modified: %Y-%m-%d}.")


class YahooNewsScraper():

    def __init__(self):
        self.date_modified = datetime.today()

    def scrape(self):
        print(f"scraping data from yahoo news: {self.date_modified: %Y-%m-%d}.")


if __name__ == '__main__':  
    # get target module --> replace with actual module name if referencing external module
    target_module = sys.modules[__name__] 
    module_contents = dir(target_module)

    # get all relevant classes in the module
    class_list = []
    for c in module_contents:
        if not c in ('sys', 'datetime', 'target_module') and not c.startswith('__'):
            class_list.append(getattr(target_module, c))
    
    # instantiate all classes and call the scrape method
    scrapers = [s() for s in class_list]
    for s in scrapers:
        s.scrape()