From: Jonathan Corbet Date: Thu, 10 Jul 2025 23:24:07 +0000 (-0600) Subject: docs: kdoc: emit a warning for ancient versions of Python X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=40020fe8e3a4038ed6fb4b3115ad4c60fd354ab3;p=users%2Fwilly%2Flinux.git docs: kdoc: emit a warning for ancient versions of Python Versions of Python prior to 3.7 do not guarantee to remember the insertion order of dicts; since kernel-doc depends on that guarantee, running with such older versions could result in output with reordered sections. Python 3.9 is the minimum for the kernel as a whole, so this should not be a problem, but put in a warning just in case somebody tries to use something older. Suggested-by: Mauro Carvalho Chehab Reviewed-by: Mauro Carvalho Chehab Signed-off-by: Jonathan Corbet --- diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py index fdde14b045fe..06f55f38d4a7 100644 --- a/scripts/lib/kdoc/kdoc_parser.py +++ b/scripts/lib/kdoc/kdoc_parser.py @@ -12,6 +12,7 @@ Read a C language source or header FILE and extract embedded documentation comments """ +import sys import re from pprint import pformat @@ -238,6 +239,14 @@ class KernelDoc: # Place all potential outputs into an array self.entries = [] + # + # We need Python 3.7 for its "dicts remember the insertion + # order" guarantee + # + if sys.version_info.major == 3 and sys.version_info.minor < 7: + self.emit_msg(0, + 'Python 3.7 or later is required for correct results') + def emit_msg(self, ln, msg, warning=True): """Emit a message"""