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From: David Gibson <david-xT8FGy+AXnRB3Ne2BGzF6laj5H9X9Tb+@public.gmane.org>
To: Luca Weiss <luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org>
Cc: Simon Glass <sjg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Devicetree Compiler
	<devicetree-compiler-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH 4/4] pylibfdt: add FdtRo.getprop_or_none()
Date: Tue, 25 Jan 2022 15:50:29 +1100	[thread overview]
Message-ID: <Ye+BlawkG7LK6ZkF@yekko> (raw)
In-Reply-To: <5532817.DvuYhMxLoT@g550jk>

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On Sat, Jan 22, 2022 at 11:36:01AM +0100, Luca Weiss wrote:
> Hi Simon,
> 
> On Dienstag, 28. Dezember 2021 09:34:57 CET Simon Glass wrote:
> > Hi Luca,
> > 
> > On Sat, 25 Dec 2021 at 06:26, Luca Weiss <luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org> wrote:
> > > Add a new method that doesn't throw an exception when a property isn't
> > > found but returns None instead.
> > > 
> > > Also add a test for the new method.
> > 
> > You can use
> > 
> > getprop(node, prop, quiet=QUIET_NOTFOUND)
> > 
> 
> This returns -1 when not found which I found quite un-pythonic (not that 
> pylibfdt is currently super pythonic ;) ).
> Having None returned if not found is much nicer to use and much more clear to 
> use
> 
>     if foobar is None:
> 
>  instead of having to use
> 
>     if foobar == -QUIET_NOTFOUND:
> 
> 
> Are there any changes I can do for you to reconsider your position on this 
> patch?

So, you're absolutely right that the current interface is
non-pythonic.  The question is simply whether that ugliness is enough
to outweight the complexity of introducing an extra interface.

> 
> Regards
> Luca
> 
> > > Signed-off-by: Luca Weiss <luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org>
> > > ---
> > > 
> > >  pylibfdt/libfdt.i       | 10 ++++++++++
> > >  tests/pylibfdt_tests.py |  2 ++
> > >  2 files changed, 12 insertions(+)
> > 
> > Regards,
> > Simon
> 
> 
> 
> 

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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      parent reply	other threads:[~2022-01-25  4:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-25 13:25 [PATCH 0/4] Add new helpers to pylibfdt Luca Weiss
     [not found] ` <20211225132558.167123-1-luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org>
2021-12-25 13:25   ` [PATCH 1/4] pylibfdt: add Property.as_stringlist() Luca Weiss
     [not found]     ` <20211225132558.167123-2-luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org>
2021-12-28  4:29       ` David Gibson
2022-01-05 22:48       ` Rob Herring
     [not found]         ` <CAL_JsqLvQdm1kqMED8G03LEsm+xgyY2A+F+FD8DYeAy5o+eiGg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-01-18 10:08           ` David Gibson
2022-01-20 19:24             ` Luca Weiss
2022-01-21  0:12               ` David Gibson
2021-12-25 13:25   ` [PATCH 2/4] pylibfdt: add Property.as_*int*_array() Luca Weiss
     [not found]     ` <20211225132558.167123-3-luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org>
2021-12-28  4:30       ` David Gibson
2021-12-25 13:25   ` [PATCH 3/4] pylibfdt: add FdtRo.get_path() Luca Weiss
     [not found]     ` <20211225132558.167123-4-luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org>
2021-12-28  4:33       ` David Gibson
2021-12-25 13:25   ` [PATCH 4/4] pylibfdt: add FdtRo.getprop_or_none() Luca Weiss
     [not found]     ` <20211225132558.167123-5-luca-IfPCFPJWly+lVyrhU4qvOw@public.gmane.org>
2021-12-28  5:20       ` David Gibson
2021-12-28  8:34       ` Simon Glass
     [not found]         ` <CAPnjgZ3wun92Q1vMSEem9CH6A8MWNbKZNaepf4j4Ttmf-GNPtQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-01-22 10:36           ` Luca Weiss
2022-01-24 17:57             ` Simon Glass
     [not found]               ` <CAPnjgZ1NX2Q884T_LNUOLJT8=RKZXEj2z7uxzQF4MrHiKObZvA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2022-01-24 20:50                 ` Luca Weiss
2022-01-24 21:28                   ` Simon Glass
2022-01-25  4:50             ` David Gibson [this message]

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