Autoloading of a package submodules in python

autoload_package_submodules.py

def autoload_package_submodules(package:object, log_info:callable=print, log_error:callable=print):
    """Import all submodules of given package to have them loaded"""
    import os, glob, importlib
    path = os.path.split(package.__file__)[0]
    pkg_name = package.__name__
    for fname in glob.glob(os.path.join(path, '*.py')):
        modname = os.path.splitext(os.path.split(fname)[1])[0]
        if modname.startswith('_'):  continue  # ignore private modules
        try:
            module = importlib.import_module(pkg_name + '.' + modname)
        except Exception as err:
            log_error(f"{modname} couldn't be loaded because of a raised {repr(err)}")
        else:
            setattr(package, modname, module)
            log_info(f"module {modname} loaded as {pkg_name}.{modname}")

# usage example
import osgeo_utils  # coming from the GDAL library
autoload_package_submodules(osgeo_utils)
# now osgeo_utils has all its inner submodules imported.