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Date: Wed, 22 May 2019 18:44:48 -0300
From: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
To: Jonathan Corbet <corbet@....net>
Cc: linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
Jani Nikula <jani.nikula@...ux.intel.com>,
Markus Heiser <markus.heiser@...marit.de>,
Oleksandr Natalenko <oleksandr@...hat.com>
Subject: Re: [PATCH 8/8] scripts/sphinx-pre-install: make it handle Sphinx
versions
Em Wed, 22 May 2019 18:22:37 -0300
Mauro Carvalho Chehab <mchehab@...nel.org> escreveu:
> Em Wed, 22 May 2019 14:50:34 -0600
> Jonathan Corbet <corbet@....net> escreveu:
>
> > From: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
> >
> > As we want to switch to a newer Sphinx version in the future,
> > add some version detected logic, checking if the current
> > version meets the requirement and suggesting upgrade it the
> > version is supported but too old.
> >
> > Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
> > Signed-off-by: Jonathan Corbet <corbet@....net>
> > ---
> > scripts/sphinx-pre-install | 81 ++++++++++++++++++++++++++++++++++----
> > 1 file changed, 74 insertions(+), 7 deletions(-)
> >
> > diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
> > index f6a5c0bae31e..e667db230d0a 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";
> >
> > #
> > @@ -26,7 +26,9 @@ my $need = 0;
> > my $optional = 0;
> > my $need_symlink = 0;
> > my $need_sphinx = 0;
> > +my $rec_sphinx_upgrade = 0;
> > my $install = "";
> > +my $virtenv_dir = "sphinx_";
> >
> > #
> > # Command line arguments
> > @@ -201,13 +203,15 @@ sub check_missing_tex($)
> > }
> > }
> >
> > -sub check_sphinx()
> > +sub get_sphinx_fname()
> > {
> > - return if findprog("sphinx-build");
> > + my $fname = "sphinx-build";
> > + return $fname if findprog($fname);
> >
> > - if (findprog("sphinx-build-3")) {
> > + $fname = "sphinx-build-3";
> > + if (findprog($fname)) {
> > $need_symlink = 1;
> > - return;
> > + return $fname;
> > }
> >
> > if ($virtualenv) {
> > @@ -219,6 +223,68 @@ sub check_sphinx()
> > } else {
> > add_package("python-sphinx", 0);
> > }
> > +
> > + return "";
> > +}
> > +
> > +sub check_sphinx()
> > +{
> > + my $min_version;
> > + my $rec_version;
> > + my $cur_version;
> > +
> > + open IN, $conf or die "Can't open $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 or die "Can't open $requirement_file";
> > + while (<IN>) {
> > + if (m/^\s*Sphinx\s*==\s*([\d\.]+)$/) {
> > + $rec_version=$1;
> > + last;
> > + }
> > + }
> > + close IN;
> > +
> > + die "Can't get recommended sphinx version from $requirement_file" if (!$min_version);
> > +
> > + my $sphinx = get_sphinx_fname();
> > + return if ($sphinx eq "");
> > +
> > + open IN, "$sphinx --version 2>&1 |" or die "$sphinx returned an error";
> > + while (<IN>) {
> > + if (m/^\s*sphinx-build\s+([\d\.]+)$/) {
> > + $cur_version=$1;
> > + last;
> > + }
> > + }
> > + close IN;
> > +
> > + $virtenv_dir .= $rec_version;
> > +
> > + die "$sphinx didn't return its version" if (!$cur_version);
> > +
> > + printf "Sphinx version %s (minimal: %s, recommended >= %s)\n",
> > + $cur_version, $min_version, $rec_version;
> > +
> > + if ($cur_version lt $min_version) {
> > + print "Warning: Sphinx version should be >= $min_version\n\n";
> > + $need_sphinx = 1;
> > + return;
> > + }
> > +
> > + if ($cur_version lt $rec_version) {
> > + print "Warning: It is recommended at least Sphinx version $rec_version.\n";
> > + print " To upgrade, use:\n\n";
> > + $rec_sphinx_upgrade = 1;
> > + }
> > }
> >
> > #
> > @@ -540,7 +606,7 @@ sub check_needs()
> > printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
> > which("sphinx-build-3");
> > }
> > - if ($need_sphinx) {
> > + if ($need_sphinx || $rec_sphinx_upgrade) {
> > my $activate = "$virtenv_dir/bin/activate";
> > if (-e "$ENV{'PWD'}/$activate") {
> > printf "\nNeed to activate virtualenv with:\n";
> > @@ -554,7 +620,8 @@ sub check_needs()
> > printf "\t$virtualenv $virtenv_dir\n";
> > printf "\t. $activate\n";
> > printf "\tpip install -r $requirement_file\n";
> > - $need++;
> > +
> > + $need++ if (!$rec_sphinx_upgrade);
> > }
> > }
> > printf "\n";
>
> Please fold this to the patch:
>
> diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
> index e667db230d0a..45427f4289ed 100755
> --- a/scripts/sphinx-pre-install
> +++ b/scripts/sphinx-pre-install
> @@ -255,6 +255,8 @@ sub check_sphinx()
>
> die "Can't get recommended sphinx version from $requirement_file" if (!$min_version);
>
> + $virtenv_dir .= $rec_version;
> +
> my $sphinx = get_sphinx_fname();
> return if ($sphinx eq "");
>
> @@ -267,8 +269,6 @@ sub check_sphinx()
> }
> close IN;
>
> - $virtenv_dir .= $rec_version;
> -
> die "$sphinx didn't return its version" if (!$cur_version);
>
> printf "Sphinx version %s (minimal: %s, recommended >= %s)\n",
>
>
> Thanks,
> Mauro
Found another issue when trying to run it with Sphinx 1.2. Just sent
a version 2 with this fix, plus the version detection for very old
Sphinx versions.
Thanks,
Mauro
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