netdev - [PATCH net-next v1] tools: ynl: ethtool.py: Make tool invokable from any CWD

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Date: Tue,  2 Apr 2024 13:39:52 -0700
From: Rahul Rameshbabu <rrameshbabu@...dia.com>
To: netdev@...r.kernel.org
Cc: Gal Pressman <gal@...dia.com>,
	Tariq Toukan <tariqt@...dia.com>,
	Saeed Mahameed <saeedm@...dia.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Jakub Kicinski <kuba@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Rahul Rameshbabu <rrameshbabu@...dia.com>,
	Dragos Tatulea <dtatulea@...dia.com>
Subject: [PATCH net-next v1] tools: ynl: ethtool.py: Make tool invokable from any CWD

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@...dia.com>
Reviewed-by: Dragos Tatulea <dtatulea@...dia.com>
---
 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')
 
     ynl = YnlFamily(spec, schema)
 
-- 
2.42.0