Re: [libgpiod][PATCH 1/4] bindings: python: examples: replace tools examples with use case examples

[Kent Gibson <warthog618@gmail.com>]

On Mon, Jun 26, 2023 at 10:02:33AM +0200, Bartosz Golaszewski wrote:
> On Sat, Jun 24, 2023 at 7:21 AM Kent Gibson <warthog618@gmail.com> wrote:
> >
> > Replace tool examples with use case examples drawn from the tools.
> > +        while True:
> > +            # Blocks until at least one event is available
> > +            for event in request.read_edge_events():
> > +                print(
> > +                    "line: %d  type: Rising   event #%d"
> > +                    % (event.line_offset, event.line_seqno)
> > +                )
> 
> This still uses the old style formatting.
> 

Well spotted.
I only fixed the one you pointed out - didn't even consider that there
could be others.  Turns out there are a few - probably all
cut-and-paste.

> > +
> > +
> > +if __name__ == "__main__":
> > +    try:
> > +        watch_line_rising("/dev/gpiochip0", 5)
> > +    except OSError as ex:
> > +        print(ex, "\nCustomise the example configuration to suit your situation")
> > diff --git a/bindings/python/examples/watch_multiple_line_values.py b/bindings/python/examples/watch_multiple_line_values.py
> > new file mode 100755
> > index 0000000..658ecee
> > --- /dev/null
> > +++ b/bindings/python/examples/watch_multiple_line_values.py
> > @@ -0,0 +1,42 @@
> > +#!/usr/bin/env python3
> > +# SPDX-License-Identifier: GPL-2.0-or-later
> > +# SPDX-FileCopyrightText: 2023 Kent Gibson <warthog618@gmail.com>
> > +
> > +"""Minimal example of watching for edges on multiple lines."""
> > +
> > +import gpiod
> > +
> > +from gpiod.line import Edge
> > +
> > +
> > +def edge_type(event):
> > +    if event.event_type is event.Type.RISING_EDGE:
> > +        return "Rising"
> > +    if event.event_type is event.Type.FALLING_EDGE:
> > +        return "Falling"
> > +    return "Unknown"
> > +
> 
> As there'll be another iteration, maybe change this to get_edge_type()
> or get_edge_event_type_str()? I have a preference for function names
> to reflect the action in general.
> 

Yeah, I use _str elsewhere, not sure why I didn't here.

What an I supposed to resend the update as given the remainder of
the series was merged - v3??

Cheers,
Kent.