load_module_from_pyth.py

from importlib.util import module_from_spec, spec_from_file_location
from pathlib import Path
from types import ModuleType


def load_module_from_path(path: Path | str, module_name: str) -> ModuleType:
  """See also
  https://docs.python.org/3/library/importlib.html#importing-a-source-file-directly
  """
    spec = spec_from_file_location(module_name, path)
    if spec is None:
        raise ValueError(f"No python file found at {path!s}")
    if spec.loader is None:
        raise ValueError(f"No loader for file at {path!s}")

    module = module_from_spec(spec)
    spec.loader.exec_module(module)
    return module


file_module_path = (
    Path("""~/path/to/my/module.py""").expanduser().resolve()
)
mymodule = load_module_from_path(file_module_path, "mymodule")
mymodule.MyClass