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scripts/sphinx-pre-install: always check if version is compatible with build 

Call the script every time a make docs target is selected, on
a simplified check mode.

With this change, the script will set two vars:

$min_version - obtained from `needs_sphinx` var inside
	       conf.py (currently, '1.3')

$rec_version - obtained from sphinx/requirements.txt.

With those changes, a target like "make htmldocs" will do:

1) If no sphinx-build/sphinx-build3 is found, it will run
   the script on normal mode as before, checking for all
   system dependencies and providing install hints for the
   needed programs and will abort the build;

2) If no sphinx-build/sphinx-build3 is found, but there is
   a sphinx_${VER}/bin/activate file, and if
   ${VER} >= $min_version (string comparation), it will
   run in full mode, and will recommend to activate the
   virtualenv. If there are multiple virtualenvs, it
   will string sort the versions, recommending the
   highest version and will abort the build;

3) If Sphinx is detected but has a version lower than
   $min_version, it will run in full mode - with will
   recommend creating a virtual env using sphinx/requirements.txt,
   and will abort the build.

4) If Sphinx is detected and version is lower than
   $rec_version, it will run in full mode and will
   recommend creating a virtual env using sphinx/requirements.txt.

   In this case, it **won't** abort the build.

5) If Sphinx is detected and version is equal or righer than
   $rec_version it will return just after detecting the
   version ("quick mode"), not checking if are there any
   missing dependencies.

Just like before, if one wants to install Sphinx from the
distro, it has to call the script manually and use `--no-virtualenv`
argument to get the hints for his OS:

    You should run:

	sudo dnf install -y python3-sphinx python3-sphinx_rtd_theme

While here, add a small help for the three optional arguments
for the script.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
alistair/sunxi64-5.4-dsi
Mauro Carvalho Chehab 2019-05-29 20:09:26 -03:00 committed by Jonathan Corbet
parent c4c562defe
commit 9b88ad5464
2 changed files with 35 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/Makefile
View File

@ -70,12 +70,14 @@ quiet_cmd_sphinx = SPHINX $@ --> file://$(abspath $(BUILDDIR)/$3/$4)
$(abspath $(BUILDDIR)/$3/$4)
htmldocs:
@./scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var)))
linkcheckdocs:
@$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,linkcheck,$(var),,$(var)))
latexdocs:
@./scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,latex,$(var),latex,$(var)))
ifeq ($(HAVE_PDFLATEX),0)
@ -87,14 +89,17 @@ pdfdocs:
else # HAVE_PDFLATEX
pdfdocs: latexdocs
@./scripts/sphinx-pre-install --version-check
$(foreach var,$(SPHINXDIRS), $(MAKE) PDFLATEX="$(PDFLATEX)" LATEXOPTS="$(LATEXOPTS)" -C $(BUILDDIR)/$(var)/latex || exit;)
endif # HAVE_PDFLATEX
epubdocs:
@./scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,epub,$(var),epub,$(var)))
xmldocs:
@./scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,xml,$(var),xml,$(var)))
endif # HAVE_SPHINX

46
scripts/sphinx-pre-install
View File

@ -38,6 +38,7 @@ my $min_version;
my $pdf = 1;
my $virtualenv = 1;
my $version_check = 0;
#
# List of required texlive packages on Fedora and OpenSuse
@ -277,20 +278,22 @@ sub check_sphinx()
die "$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";
printf "ERROR: Sphinx version is %s. It should be >= %s (recommended >= %s)\n",
$cur_version, $min_version, $rec_version;;
$need_sphinx = 1;
return;
}
if ($cur_version lt $rec_version) {
printf "Sphinx version %s\n", $cur_version;
print "Warning: It is recommended at least Sphinx version $rec_version.\n";
print " To upgrade, use:\n\n";
$rec_sphinx_upgrade = 1;
return;
}
# On version check mode, just assume Sphinx has all mandatory deps
exit (0) if ($version_check);
}
#
@ -575,14 +578,18 @@ sub check_distros()
sub check_needs()
{
if ($system_release) {
print "Detected OS: $system_release.\n";
} else {
print "Unknown OS\n";
}
# Check for needed programs/tools
check_sphinx();
if ($system_release) {
print "Detected OS: $system_release.\n\n";
} else {
print "Unknown OS\n\n";
}
print "To upgrade Sphinx, use:\n\n" if ($rec_sphinx_upgrade);
# Check for needed programs/tools
check_perl_module("Pod::Usage", 0);
check_program("make", 0);
check_program("gcc", 0);
@ -601,13 +608,14 @@ sub check_needs()
}
if ($need_sphinx || $rec_sphinx_upgrade) {
my $min_activate = "$ENV{'PWD'}/${virtenv_prefix}${min_version}/bin/activate";
my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
@activates = sort {$b cmp $a} @activates;
@activates = sort {$b cmp $a} @activates;
if (scalar @activates > 0 && $activates[0] ge $min_activate) {
printf "\nNeed to activate virtualenv with:\n";
if ($need_sphinx && scalar @activates > 0 && $activates[0] ge $min_activate) {
printf "\nNeed to activate a compatible Sphinx version on virtualenv with:\n";
printf "\t. $activates[0]\n";
exit (1);
} else {
my $rec_activate = "$virtenv_dir/bin/activate";
my $virtualenv = findprog("virtualenv-3");
@ -646,8 +654,14 @@ while (@ARGV) {
$virtualenv = 0;
} elsif ($arg eq "--no-pdf"){
$pdf = 0;
} elsif ($arg eq "--version-check"){
$version_check = 1;
} else {
print "Usage:\n\t$0 <--no-virtualenv> <--no-pdf>\n\n";
print "Usage:\n\t$0 <--no-virtualenv> <--no-pdf> <--version-check>\n\n";
print "Where:\n";
print "\t--no-virtualenv\t- Recommend installing Sphinx instead of using a virtualenv\n";
print "\t--version-check\t- if version is compatible, don't check for missing dependencies\n";
print "\t--no-pdf\t- don't check for dependencies required to build PDF docs\n\n";
exit -1;
}
}