On Fri, Feb 17, 2017 at 3:39 PM, Christopher Larson <[email protected]>
wrote:

> On Fri, Feb 17, 2017 at 2:26 PM, Aníbal Limón <
> [email protected]> wrote:
>
>> +    parser.add_argument('-l', '--layer', metavar='LAYER_DIR',
>> +            help='Layer to test compatibility with Yocto Project',
>> +            action='store', required=True)
>>
>
> The behavior of this argument is quite unintuitive. First, this path isn’t
> actually used as the layer directory, detect_layers searches down from that
> path to *find* layers in that subdirectory, so the argument isn’t what it
> says it is. Second, why are you making an option mandatory rather than just
> using arguments?
>
> That is, why `layer-compat-layer.py -l layerpath` rather than
> `layer-compat-layer.py layerpath`. If you change the call to
> `parser.add_argument(‘layer’, …)` it’d change to the latter behavior.
>

Worth noting that you could, and probably should, also use nargs=‘+’ to let
the user specify multiple layers to check, rather than a single path, if
you go the latter route, and if not, you could change it to an append style
(for the ‘action’) argument to accomplish the same.
-- 
Christopher Larson
kergoth at gmail dot com
Founder - BitBake, OpenEmbedded, OpenZaurus
Senior Software Engineer, Mentor Graphics
-- 
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