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SubjectRe: [PATCH RFC 0/2] docs: Deal with some Sphinx deprecation warnings
Em Wed, 22 May 2019 13:04:08 -0300
Mauro Carvalho Chehab <mchehab@kernel.org> escreveu:

> Em Wed, 22 May 2019 09:45:59 -0600
> Jonathan Corbet <corbet@lwn.net> escreveu:
>
> > On Wed, 22 May 2019 15:25:36 +0200
> > Markus Heiser <markus.heiser@darmarit.de> wrote:
> >
> > > Lets use 1.7 :
> > >
> > > - no need for Use_SSI wrapper
> > > - new log should work with 1.7 [1] --> no need for kernellog.py and
> > > additional imports, instead include on top of python modules ::
> > >
> > > from sphinx.util import logging
> > > logger = logging.getLogger('kerneldoc')
> >
> > I think we're going to have to drag things forward at some point in the
> > not-too-distant future, but I think I'd rather not do that quite yet. The
> > cost of supporting older sphinx for a few releases while we warn people is
> > not all that high. So I think we should:
> >
> > - Put in (a future version of) my hacks for now, plus whatever else might
> > be needed to make 2.0 work right.
> >
> > - Fix the fallout with regard to out-of-toctree .rst files so that we can
> > actually build again with current sphinx.
> >
> > - Update Documentation/sphinx/requirements.txt to ask for something a wee
> > bit more recent than 1.4.9.
>
> You should remember to also update conf.py (with currently points to 1.3):
>
> # If your documentation needs a minimal Sphinx version, state it here.
> needs_sphinx = '1.3'
>
> Also, if you touch there, you should also touch:
>
> ./scripts/sphinx-pre-install
>
> The change there won't be as trivial as just changing this line:
>
> $virtenv_dir = "sphinx_1.4";
>
> as the script should now run sphinx-build --version, in order to check
> if the version is lower than the new minimal version. It probably makes
> sense to make it grep the version from needs_sphinx at conf.py.
>
> > - Add a warning when building with an older version that (say) 1.7 will
> > be required as of (say) 5.5.
>
> It probably makes sense to add such check at the pre-install script,
> and add a:
>
> SPHINXOPTS="-jauto"
>
> somewhere if version is 1.7 or upper.
>

I'm meaning something like the enclosed patch.

(PS.: I'm still working at the patch)



Thanks,
Mauro

[RFC PATCH] scripts/sphinx-pre-install: make it handle Sphinx versions

As we want to switch to a newer Sphinx version in the future,
add some version detected logic.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index f6a5c0bae31e..8835aede4c61 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -13,7 +13,7 @@ use strict;
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.

-my $virtenv_dir = "sphinx_1.4";
+my $conf = "Documentation/conf.py";
my $requirement_file = "Documentation/sphinx/requirements.txt";

#
@@ -27,6 +27,10 @@ my $optional = 0;
my $need_symlink = 0;
my $need_sphinx = 0;
my $install = "";
+my $min_version;
+my $rec_version;
+my $cur_version;
+my $virtenv_dir = "sphinx_";

#
# Command line arguments
@@ -76,6 +80,52 @@ my %texlive = (
# Subroutines that checks if a feature exists
#

+sub handle_sphinx_version()
+{
+ open IN, $conf;
+ while (<IN>) {
+ if (m/^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]/) {
+ $min_version=$1;
+ last;
+ }
+ }
+ close IN;
+
+ die "Can't get needs_sphinx version from $conf" if (!$min_version);
+
+ open IN, $requirement_file;
+ while (<IN>) {
+ if (m/^\s*Sphinx\s*==\s*([\d\.]+)$/) {
+ $rec_version=$1;
+ last;
+ }
+ }
+ close IN;
+
+ open IN, "sphinx-build --version 2>&1 |";
+ while (<IN>) {
+ if (m/^\s*sphinx-build\s+([\d\.]+)$/) {
+ $cur_version=$1;
+ last;
+ }
+ }
+ close IN;
+
+ $virtenv_dir .= $rec_version;
+
+ # Sphinx is not installed
+ return if (!$cur_version);
+
+ if ($cur_version lt $min_version) {
+ print "Sphinx version older than $min_version! We recommend at least $rec_version";
+ exit -1;
+ }
+
+ if ($cur_version lt $rec_version) {
+ print "Warning: we recommend at least Sphinx version $rec_version";
+ }
+}
+
sub check_missing(%)
{
my %map = %{$_[0]};
@@ -587,6 +637,8 @@ while (@ARGV) {
}
}

+handle_sphinx_version();
+
#
# Determine the system type. There's no standard unique way that would
# work with all distros with a minimal package install. So, several

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