Re: [nft PATCH v4 6/6] py: add Nftables.{get,set}_input() API

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On Wed, 2023-08-16 at 18:10 +0200, Phil Sutter wrote:
> On Thu, Aug 03, 2023 at 09:35:24PM +0200, Thomas Haller wrote:
> > Similar to the existing Nftables.{get,set}_debug() API.
> > 
> > Only notable (internal) difference is that
> > nft_ctx_input_set_flags()
> > returns the old value already, so we don't need to call
> > Nftables.get_input() first.
> > 
> > The benefit of this API, is that it follows the existing API for
> > debug
> > flags. Also, when future flags are added it requires few changes to
> > the
> > python code.
> > 
> > The disadvantage is that it looks different from the underlying C
> > API,
> > which is confusing when reading the C API. Also, it's a bit
> > cumbersome
> > to reset only one flag. For example:
> > 
> >      def _drop_flag_foo(flag):
> >         if isinstance(flag, int):
> >             return flag & ~FOO_NUM
> >         if flag == 'foo':
> >             return 0
> >         return flag
> > 
> >      ctx.set_input(_drop_flag_foo(v) for v in ctx.get_input())
> 
> IMO the name is too short. While I find it works with debug
> ("set_debug"
> as in "enable_debugging") but with input I expect something to
> follow.
> So I suggest renaming to (get|set)_input_flags(), similar to
> __(get|set)_output_flag() (which get/set a single flag instead of
> multiple).


Hi Phil,

changed in v5.

thank you!
Thomas





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