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Running "make htmldocs" on a newly installed Sphinx 7.3.7 ends up in
a build error:
Sphinx parallel build error:
AttributeError: module 'docutils.nodes' has no attribute 'reprunicode'
docutils 0.21 has removed nodes.reprunicode, quote from release note [1]:
* Removed objects:
docutils.nodes.reprunicode, docutils.nodes.ensure_str()
Python 2 compatibility hacks
Sphinx 7.3.0 supports docutils 0.21 [2]:
kernel_include.py, whose origin is misc.py of docutils, uses reprunicode.
Upstream docutils removed the offending line from the corresponding file
(docutils/docutils/parsers/rst/directives/misc.py) in January 2022.
Quoting the changelog [3]:
Deprecate `nodes.reprunicode` and `nodes.ensure_str()`.
Drop uses of the deprecated constructs (not required with Python 3).
Do the same for kernel_include.py.
Tested against:
- Sphinx 2.4.5 (docutils 0.17.1)
- Sphinx 3.4.3 (docutils 0.17.1)
- Sphinx 5.3.0 (docutils 0.18.1)
- Sphinx 6.2.1 (docutils 0.19)
- Sphinx 7.2.6 (docutils 0.20.1)
- Sphinx 7.3.7 (docutils 0.21.2)
Link: http://www.docutils.org/RELEASE-NOTES.html#release-0-21-2024-04-09 [1]
Link: https://www.sphinx-doc.org/en/master/changes.html#release-7-3-0-released-apr-16-2024 [2]
Link: https://github.com/docutils/docutils/commit/c8471ce47a24 [3]
Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/faf5fa45-2a9d-4573-9d2e-3930bdc1ed65@gmail.com
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The files included by kernel-include should be added as build
dependencies, in order for sphinx-build to rebuild the corresponding
docs if any changes at the included file happens.
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Link: https://lore.kernel.org/r/d30fc4fa422a13b7e1623d690945c46b58a55e79.1648290305.git.mchehab@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The setup() function of a Sphinx-extension can return a dictionary. This
is treated by Sphinx as metadata of the extension [1].
With metadata "parallel_read_safe = True" a extension is marked as
save for "parallel reading of source". This is needed if you want
build in parallel with N processes. E.g.:
make SPHINXOPTS=-j4 htmldocs
will no longer log warnings like:
WARNING: the foobar extension does not declare if it is safe for
parallel reading, assuming it isn't - please ask the extension author
to check and make it explicit.
Add metadata to extensions:
* kernel-doc
* flat-table
* kernel-include
[1] http://www.sphinx-doc.org/en/stable/extdev/#extension-metadata
Signed-off-by: Markus Heiser <markus.heiser@darmarIT.de>
Tested-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The kernel-include directive is needed to include the auto generated rst
content from a build (pre-) process. E.g. the linux_tv Makefile
generates intermediate reST-files from header files. Since there is a O=
option:
make O=dir [targets] Locate all output files in "dir"
We need to include intermediate reST files from arbitrary (O=/tmp/foo)
locations:
The 'kernel-include' reST-directive is a replacement for the 'include'
directive. The 'kernel-include' directive expand environment variables
in the path name and allows to include files from arbitrary locations.
.. hint::
Including files from arbitrary locations (e.g. from '/etc') is a
security risk for builders. This is why the 'include' directive from
docutils *prohibit* pathnames pointing to locations *above* the
filesystem tree where the reST document with the include directive is
placed.
Substrings of the form $name or ${name} are replaced by the value of
environment variable name. Malformed variable names and references to
non-existing variables are left unchanged.
Signed-off-by: Markus Heiser <markus.heiser@darmarIT.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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