linux-kernel - [PATCH v2 2/3] Documentation/sphinx/kernel

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Message-ID: <c59d2542d7cc914fd5f8c84df966e63adc924cdc.1763492868.git.mchehab+huawei@kernel.org>
Date: Tue, 18 Nov 2025 20:09:27 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: "Jonathan Corbet" <corbet@....net>,
	Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	"Mauro Carvalho Chehab" <mchehab@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/3] Documentation/sphinx/kernel_feat.py: use class directly

Now that get_feat is in Python, we don't need to use subprocess
to fork an executable file: we can use the feature classes
directly.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 Documentation/sphinx/kernel_feat.py | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/Documentation/sphinx/kernel_feat.py b/Documentation/sphinx/kernel_feat.py
index 1dcbfe335a65..bdc0fef5c87f 100644
--- a/Documentation/sphinx/kernel_feat.py
+++ b/Documentation/sphinx/kernel_feat.py
@@ -34,7 +34,6 @@
 import codecs
 import os
 import re
-import subprocess
 import sys
 
 from docutils import nodes, statemachine
@@ -43,9 +42,9 @@ from docutils.parsers.rst import directives, Directive
 from sphinx.util.docutils import switch_source_input
 
 srctree = os.path.abspath(os.environ["srctree"])
-sys.path.insert(0, os.path.join(srctree, "tools/docs/lib"))
+sys.path.insert(0, os.path.join(srctree, "tools/lib/python"))
 
-from parse_features import ParseFeature                # pylint: disable=C0413
+from feat.parse_features import ParseFeature                # pylint: disable=C0413
 
 def ErrorString(exc):  # Shamelessly stolen from docutils
     return f'{exc.__class__.__name}: {exc}'
@@ -89,18 +88,16 @@ class KernelFeat(Directive):
 
         srctree = os.path.abspath(os.environ["srctree"])
 
-        args = [
-            os.path.join(srctree, 'tools/docs/get_feat.pl'),
-            'rest',
-            '--enable-fname',
-            '--dir',
-            os.path.join(srctree, 'Documentation', self.arguments[0]),
-        ]
+        feature_dir = os.path.join(srctree, 'Documentation', self.arguments[0])
+
+        feat = ParseFeature(feature_dir, False, True)
+        feat.parse()
 
         if len(self.arguments) > 1:
-            args.extend(['--arch', self.arguments[1]])
-
-        lines = subprocess.check_output(args, cwd=os.path.dirname(doc.current_source)).decode('utf-8')
+            arch = self.arguments[1]
+            lines = feat.output_arch_table(arch)
+        else:
+            lines = feat.output_matrix()
 
         line_regex = re.compile(r"^\.\. FILE (\S+)$")
 
-- 
2.51.1