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Subject[PATCH 1/2] doc: Cope with Sphinx logging deprecations
Date
Recent versions of sphinx will emit messages like:

/stuff/k/git/kernel/Documentation/sphinx/kerneldoc.py:103:
RemovedInSphinx20Warning: app.warning() is now deprecated.
Use sphinx.util.logging instead.

Switch to sphinx.util.logging to make this unsightly message go away.
Alas, that interface was only added in version 1.6, so we have to add a
version check to keep things working with older sphinxes.
---
Documentation/sphinx/kerneldoc.py | 12 ++++++----
Documentation/sphinx/kernellog.py | 28 +++++++++++++++++++++++
Documentation/sphinx/kfigure.py | 38 ++++++++++++++++++-------------
3 files changed, 58 insertions(+), 20 deletions(-)
create mode 100644 Documentation/sphinx/kernellog.py

diff --git a/Documentation/sphinx/kerneldoc.py b/Documentation/sphinx/kerneldoc.py
index 9d0a7f08f93b..e8891e63e001 100644
--- a/Documentation/sphinx/kerneldoc.py
+++ b/Documentation/sphinx/kerneldoc.py
@@ -39,6 +39,8 @@ from docutils.statemachine import ViewList
from docutils.parsers.rst import directives, Directive
from sphinx.ext.autodoc import AutodocReporter

+import kernellog
+
__version__ = '1.0'

class KernelDocDirective(Directive):
@@ -90,7 +92,8 @@ class KernelDocDirective(Directive):
cmd += [filename]

try:
- env.app.verbose('calling kernel-doc \'%s\'' % (" ".join(cmd)))
+ kernellog.verbose(env.app,
+ 'calling kernel-doc \'%s\'' % (" ".join(cmd)))

p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = p.communicate()
@@ -100,7 +103,8 @@ class KernelDocDirective(Directive):
if p.returncode != 0:
sys.stderr.write(err)

- env.app.warn('kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode))
+ kernellog.warn(env.app,
+ 'kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode))
return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]
elif env.config.kerneldoc_verbosity > 0:
sys.stderr.write(err)
@@ -132,8 +136,8 @@ class KernelDocDirective(Directive):
return node.children

except Exception as e: # pylint: disable=W0703
- env.app.warn('kernel-doc \'%s\' processing failed with: %s' %
- (" ".join(cmd), str(e)))
+ kernellog.warn(app, 'kernel-doc \'%s\' processing failed with: %s' %
+ (" ".join(cmd), str(e)))
return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))]

def setup(app):
diff --git a/Documentation/sphinx/kernellog.py b/Documentation/sphinx/kernellog.py
new file mode 100644
index 000000000000..af924f51a7dc
--- /dev/null
+++ b/Documentation/sphinx/kernellog.py
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Sphinx has deprecated its older logging interface, but the replacement
+# only goes back to 1.6. So here's a wrapper layer to keep around for
+# as long as we support 1.4.
+#
+import sphinx
+
+if sphinx.__version__[:3] >= '1.6':
+ UseLogging = True
+ from sphinx.util import logging
+ logger = logging.getLogger('kerneldoc')
+else:
+ UseLogging = False
+
+def warn(app, message):
+ if UseLogging:
+ logger.warning(message)
+ else:
+ app.warn(message)
+
+def verbose(app, message):
+ if UseLogging:
+ logger.verbose(message)
+ else:
+ app.verbose(message)
+
+
diff --git a/Documentation/sphinx/kfigure.py b/Documentation/sphinx/kfigure.py
index b97228d2cc0e..448c450fe70c 100644
--- a/Documentation/sphinx/kfigure.py
+++ b/Documentation/sphinx/kfigure.py
@@ -60,6 +60,8 @@ import sphinx
from sphinx.util.nodes import clean_astext
from six import iteritems

+import kernellog
+
PY3 = sys.version_info[0] == 3

if PY3:
@@ -171,20 +173,20 @@ def setupTools(app):
This function is called once, when the builder is initiated.
"""
global dot_cmd, convert_cmd # pylint: disable=W0603
- app.verbose("kfigure: check installed tools ...")
+ kernellog.verbose(app, "kfigure: check installed tools ...")

dot_cmd = which('dot')
convert_cmd = which('convert')

if dot_cmd:
- app.verbose("use dot(1) from: " + dot_cmd)
+ kernellog.verbose(app, "use dot(1) from: " + dot_cmd)
else:
- app.warn("dot(1) not found, for better output quality install "
- "graphviz from http://www.graphviz.org")
+ kernellog.warn(app, "dot(1) not found, for better output quality install "
+ "graphviz from http://www.graphviz.org")
if convert_cmd:
- app.verbose("use convert(1) from: " + convert_cmd)
+ kernellog.verbose(app, "use convert(1) from: " + convert_cmd)
else:
- app.warn(
+ kernellog.warn(app,
"convert(1) not found, for SVG to PDF conversion install "
"ImageMagick (https://www.imagemagick.org)")

@@ -225,7 +227,8 @@ def convert_image(img_node, translator, src_fname=None):
if in_ext == '.dot':

if not dot_cmd:
- app.verbose("dot from graphviz not available / include DOT raw.")
+ kernellog.verbose(app,
+ "dot from graphviz not available / include DOT raw.")
img_node.replace_self(file2literal(src_fname))

elif translator.builder.format == 'latex':
@@ -252,7 +255,8 @@ def convert_image(img_node, translator, src_fname=None):

if translator.builder.format == 'latex':
if convert_cmd is None:
- app.verbose("no SVG to PDF conversion available / include SVG raw.")
+ kernellog.verbose(app,
+ "no SVG to PDF conversion available / include SVG raw.")
img_node.replace_self(file2literal(src_fname))
else:
dst_fname = path.join(translator.builder.outdir, fname + '.pdf')
@@ -265,18 +269,19 @@ def convert_image(img_node, translator, src_fname=None):
_name = dst_fname[len(translator.builder.outdir) + 1:]

if isNewer(dst_fname, src_fname):
- app.verbose("convert: {out}/%s already exists and is newer" % _name)
+ kernellog.verbose(app,
+ "convert: {out}/%s already exists and is newer" % _name)

else:
ok = False
mkdir(path.dirname(dst_fname))

if in_ext == '.dot':
- app.verbose('convert DOT to: {out}/' + _name)
+ kernellog.verbose(app, 'convert DOT to: {out}/' + _name)
ok = dot2format(app, src_fname, dst_fname)

elif in_ext == '.svg':
- app.verbose('convert SVG to: {out}/' + _name)
+ kernellog.verbose(app, 'convert SVG to: {out}/' + _name)
ok = svg2pdf(app, src_fname, dst_fname)

if not ok:
@@ -305,7 +310,8 @@ def dot2format(app, dot_fname, out_fname):
with open(out_fname, "w") as out:
exit_code = subprocess.call(cmd, stdout = out)
if exit_code != 0:
- app.warn("Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
+ kernellog.warn(app,
+ "Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
return bool(exit_code == 0)

def svg2pdf(app, svg_fname, pdf_fname):
@@ -322,7 +328,7 @@ def svg2pdf(app, svg_fname, pdf_fname):
# use stdout and stderr from parent
exit_code = subprocess.call(cmd)
if exit_code != 0:
- app.warn("Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
+ kernellog.warn(app, "Error #%d when calling: %s" % (exit_code, " ".join(cmd)))
return bool(exit_code == 0)


@@ -415,15 +421,15 @@ def visit_kernel_render(self, node):
app = self.builder.app
srclang = node.get('srclang')

- app.verbose('visit kernel-render node lang: "%s"' % (srclang))
+ kernellog.verbose(app, 'visit kernel-render node lang: "%s"' % (srclang))

tmp_ext = RENDER_MARKUP_EXT.get(srclang, None)
if tmp_ext is None:
- app.warn('kernel-render: "%s" unknown / include raw.' % (srclang))
+ kernellog.warn(app, 'kernel-render: "%s" unknown / include raw.' % (srclang))
return

if not dot_cmd and tmp_ext == '.dot':
- app.verbose("dot from graphviz not available / include raw.")
+ kernellog.verbose(app, "dot from graphviz not available / include raw.")
return

literal_block = node[0]
--
2.21.0
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