Re: [PATCH RFC net-next v1 5/6] tools: ynl: ethtool.py: Make tool invokable from any CWD

[Jacob Keller]

On 2/23/2024 11:24 AM, Rahul Rameshbabu wrote:
> ethtool.py depends on yml files in a specific location of the linux kernel
> tree. Using relative lookup for those files means that ethtool.py would
> need to be run under tools/net/ynl/. Lookup needed yml files without
> depending on the current working directory that ethtool.py is invoked from.
> 
> Signed-off-by: Rahul Rameshbabu <rrameshbabu@xxxxxxxxxx>
> Reviewed-by: Dragos Tatulea <dtatulea@xxxxxxxxxx>
> ---
>  tools/net/ynl/ethtool.py | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/net/ynl/ethtool.py b/tools/net/ynl/ethtool.py
> index 6c9f7e31250c..44ba3ba58ed9 100755
> --- a/tools/net/ynl/ethtool.py
> +++ b/tools/net/ynl/ethtool.py
> @@ -6,6 +6,7 @@ import json
>  import pprint
>  import sys
>  import re
> +import os
>  
>  from lib import YnlFamily
>  
> @@ -152,8 +153,11 @@ def main():
>      global args
>      args = parser.parse_args()
>  
> -    spec = '../../../Documentation/netlink/specs/ethtool.yaml'
> -    schema = '../../../Documentation/netlink/genetlink-legacy.yaml'
> +    script_abs_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
> +    spec = os.path.join(script_abs_dir,
> +                        '../../../Documentation/netlink/specs/ethtool.yaml')
> +    schema = os.path.join(script_abs_dir,
> +                          '../../../Documentation/netlink/genetlink-legacy.yaml')
>  

This seems like a worthwhile improvement to make the tool more usable.

Thanks,
Jake

>      ynl = YnlFamily(spec, schema)
>