log_method_call.py

def log_method_call(func):
    def inner(*args, **kwargs):
        try:
            frame = inspect.currentframe()
            stack_trace = inspect.getouterframes(frame)
            stack_trace_relevant_parts = [
                " ".join((f[1], str(f[2]), f[4][0].strip()))
                for f in stack_trace
            ]
            pretty_stack_trace = "\n".join(stack_trace_relevant_parts)
            msg = (
                'Method called with\nargs: {0}.\n'
                'kwargs: {1}\nStack: \n{2}'
            ).format(
                args,
                kwargs,
                pretty_stack_trace
            )
            logging.warning(msg)
        except:
            pass
        return func(*args, **kwargs)
    return inner