----- Original Message -----
> From: Jean-Michel Pichavant <jeanmic...@sequans.com> > To: Albert-Jan Roskam <fo...@yahoo.com> > Cc: Python <python-list@python.org> > Sent: Tuesday, January 13, 2015 5:37 PM > Subject: Re: class-based class decorator > > ----- Original Message ----- >> From: "Albert-Jan Roskam" <fo...@yahoo.com> >> > From: Jean-Michel Pichavant <jeanmic...@sequans.com> >> > I don't really understand how you successfuly manage positional >> > parameters, >> > since the caller may not name them. >> > I'm asking because if your intend to check only the keyword >> > parameters, >> > there's a much simplier solution. >> > >> > JM >> >> >> Hi, >> >> Can you give an example of where/how my code would fail? I do not >> intend to use *args and **kwargs, if that is what you mean. I am >> interested in hearing a simpler approach, especially if it would >> also solve the messed-up-signature problem that I mentioned. >> >> Thank you! >> >> Albert-Jan >> > > In the example you've given you've deprecated only keyword arguments. So > I was wondering... > > would the following *untested* code work ? : > > def check_deprecated_args(deprecated): > def decorator(func): > def inner(*args, **kwargs): > for p in deprecated: > if p in kwargs: > print '%s is deprecated' % p > return func(*args, **kwargs) > return inner > return decorator > This is indeed a lot simpler than a class-based version, merci bien! And now I can also make it work with the signature-preserving decorator package. Meanwhile I also found a Python 2 backport for inspect.signature, so positional args can also be used. Thanks again! Albert-Jan -- https://mail.python.org/mailman/listinfo/python-list
