discover_models.py

def discover(package_name):
    """Function that discovers packages for django.
    For example, if you want store your models in different files you must
    call this function in __init__ file of the models package.
    
    Django app structure:
        some_app/
            __init__.py
            models/
                my_model.py
                another_model.py

    """
    from os import path
    import glob
    import importlib

    # Find all the model names to be imported
    modules = glob.glob(path.join(path.dirname(__file__), "*.py"))
    names = [path.splitext(path.basename(n))[0] for n in modules]
    names = [n for n in names if n != "__init__"]

    # Determine the app name assuming appname/models/*.py structure
    app = path.basename(path.abspath(path.join(__file__, '..', '..')))

    # Import each, assuming that e.g. Mymodel lives in models/mymodel.py
    for name in names:
        mpath = f'{app}.{package_name}.{name}'
        importlib.import_module(mpath)