> My question is: let's say I wanted to add a type hint for my_frame.
> >
> > my_frame: some_class_name = inspect.currentframe()
> >
> > What would I put for some_class_name?
> > "frame" (without quotations) is not recognized,
> > Nor is inspect.frame.
>
> We know Python code is executed in an execution frame.
> (https://docs.python.org/3/reference/executionmodel.html?highlight=frame)
>
> We are told "Frame objects Frame objects represent execution frames."
> (https://docs.python.org/3/reference/datamodel.html?highlight=frame).
> The word "represent" conflicts with the idea of "are".
>
> 'Under the hood' inspect calls sys._current_frames()
> (https://docs.python.org/3/library/sys.html?highlight=frame). That code
> is:
>
> def _getframe(*args, **kwargs): # real signature unknown
>      """
>      Return a frame object from the call stack.
>
>      If optional integer depth is given, return the frame object that many
>      calls below the top of the stack.  If that is deeper than the call
>      stack, ValueError is raised.  The default for depth is zero, returning
>      the frame at the top of the call stack.
>
>      This function should be used for internal and specialized purposes
>      only.
>      """
>      pass
>
> Which rather suggests that if the sys library doesn't know the
> signature, then neither typing nor we mere-mortals are going to do so,
> either.
>
>
> Theory: the concept of a frame does not really exist at the Python-level
> (remember "represents"). Frames (must) exist at the C-level
> (
> https://docs.python.org/3/c-api/frame.html?highlight=frame#c.PyFrameObject)
>
> of the virtual-machine - where typing is not a 'thing'.
>
>
> It's an interesting question. Perhaps a better mind than mine can give a
> better answer?
>
>
Thank you DN.

My ultimate goal is a function I'd put in my main library which other
functions could leverage, something like:

function_in_another_file(arg):
    logger.info(my_main_module.render_calling_info(inspect.stack(),
inspect.currentframe())
    # Now do the work
-- 
https://mail.python.org/mailman/listinfo/python-list

Reply via email to