[PATCH] docs-rst: automatically convert Graphviz and SVG images
Mauro Carvalho Chehab
mchehab at s-opensource.com
Thu Mar 2 19:34:22 UTC 2017
Em Thu, 2 Mar 2017 20:06:39 +0100
Markus Heiser <markus.heiser at darmarit.de> escreveu:
> Hi Mauro,
>
> > Tested here with the enclosed patch.
>
> great, big step forward making /media/Makefile smaller ... thanks a lot!!!!
>
> > It crashed:
> > Exception occurred:
> > File "/devel/v4l/patchwork/Documentation/sphinx/kfigure.py", line 222, in dot2format
> > sys.stderr.write(err)
> > TypeError: write() argument must be str, not bytes
> > The full traceback has been saved in /tmp/sphinx-err-_1vahbmg.log, if you want to report the issue to the developers.
> > Please also report this if it was a user error, so that a better error message can be provided next time.
> > A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
> > Documentation/Makefile.sphinx:69: recipe for target 'htmldocs' failed
> > make[1]: *** [htmldocs] Error 1
> > Makefile:1450: recipe for target 'htmldocs' failed
> > make: *** [htmldocs] Error 2
> >
> > Weird enough, it produced a Documentation/output/media/uapi/v4l/pipeline.svg file.
>
> I guess that the dot command writes something to stderr. This is captured
> by the extension and printed to stderr ...
>
> +def dot2format(dot_fname, out_fname):
> ...
> + exit_code = 42
> + with open(out_fname, "w") as out:
> + p = subprocess.Popen(
> + cmd, stdout = out, stderr = subprocess.PIPE )
> + nil, err = p.communicate()
> +
> + sys.stderr.write(err)
> +
> + exit_code = p.returncode
> + out.flush()
> + return bool(exit_code == 0)
>
> > File "/devel/v4l/patchwork/Documentation/sphinx/kfigure.py", line 222, in dot2format
> > sys.stderr.write(err)
> > TypeError: write() argument must be str, not bytes
>
> Do we need this stderr output? For a first test, uncomment the
> "sys.stderr.write(err)“ in line 222. Or, if we really need the
> stderr, try:
>
> - sys.stderr.write(err)
> + sys.stderr.write(str(err))
Yes, this fixed. I actually did:
- sys.stderr.write(err)
+ sys.stderr.write(str(err))
+ sys.stderr.write("\n")
It is now printing:
b''
I added the \n print to avoid it to be mixed with the "writing output"
prints.
No idea how to make sense from it - but clearly, the error report
logic require some care ;-)
Thanks,
Mauro
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