Code sample from blog post: https://www.willcarh.art/blog/the-power-of-introspection-in-python/

JSONize a Python object

def jsonize(self):
  variables = [var for var in dir(self) if not var.startswith(('_', '__')) and not callable(getattr(self, var))]
  return "{" + ",".join([f"\"{var}\": \"{getattr(self, var)}\"" for var in variables]) + "}"