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[Bug] Docs build fails at interop.rst) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "qemu-devel@nongnu.org" , Aarushi Mehta , Gabriel Barreto Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/20/19 7:04 PM, Eduardo Habkost wrote: > On Mon, May 20, 2019 at 05:25:28PM -0400, John Snow wrote: >> >> >> On 5/20/19 12:37 PM, John Snow wrote: >>> >>> >>> On 5/20/19 7:30 AM, Aarushi Mehta wrote: >>>> https://paste.fedoraproject.org/paste/kOPx4jhtUli---TmxSLrlw >>>> running python3-sphinx-2.0.1-1.fc31.noarch on Fedora release 31 >>>> (Rawhide) >>>> >>>> uname - a >>>> Linux iouring 5.1.0-0.rc6.git3.1.fc31.x86_64 #1 SMP Thu Apr 25 14:25:32 >>>> UTC 2019 x86_64 x86_64 x86_64 GNU/Linux >>>> >>>> Reverting commmit 90edef80a0852cf8a3d2668898ee40e8970e431 >>>> allows for the build to occur >>>> >>>> Regards >>>> Aarushi Mehta >>>> >>>> >>> >>> Ah, dang. The blocks aren't strictly conforming json, but the version I >>> tested this under didn't seem to care. Your version is much newer. (I >>> was using 1.7 as provided by Fedora 29.) >>> >>> For now, try reverting 9e5b6cb87db66dfb606604fe6cf40e5ddf1ef0e7 instead, >>> which should at least turn off the "warnings as errors" option, but I >>> don't think that reverting -n will turn off this warning. >>> >>> I'll try to get ahold of this newer version and see if I can't fix it >>> more appropriately. >>> >>> --js >>> >> >> ...Sigh, okay. >> >> So, I am still not actually sure what changed from pygments 2.2 and >> sphinx 1.7 to pygments 2.4 and sphinx 2.0.1, but it appears as if Sphinx >> by default always tries to do add a filter to the pygments lexer that >> raises an error on highlighting failure, instead of the default behavior >> which is to just highlight those errors in the output. There is no >> option to Sphinx that I am aware of to retain this lexing behavior. >> (Effectively, it's strict or nothing.) >> >> This approach, apparently, is broken in Sphinx 1.7/Pygments 2.2, so the >> build works with our malformed json. >> >> There are a few options: >> >> 1. Update conf.py to ignore these warnings (and all future lexing >> errors), and settle for the fact that there will be no QMP highlighting >> wherever we use the directionality indicators ('->', '<-'). >> >> 2. Update bitmaps.rst to remove the directionality indicators. >> >> 3. Update bitmaps.rst to format the QMP blocks as raw text instead of JSON. >> >> 4. Update bitmaps.rst to remove the "json" specification from the code >> block. This will cause sphinx to "guess" the formatting, and the >> pygments guesser will decide it's Python3. >> >> This will parse well enough, but will mis-highlight 'true' and 'false' >> which are not python keywords. This approach may break in the future if >> the Python3 lexer is upgraded to be stricter (because '->' and '<-' are >> still invalid), and leaves us at the mercy of both the guesser and the >> lexer. >> >> I'm not actually sure what I dislike the least; I think I dislike #1 the >> most. #4 gets us most of what we want but is perhaps porcelain. >> >> I suspect if we attempt to move more of our documentation to ReST and >> Sphinx that we will need to answer for ourselves how we intend to >> document QMP code flow examples. > > Writing a custom lexer that handles "<-" and "->" was simple (see below). > > Now, is it possible to convince Sphinx to register and use a custom lexer? > Spoilers, yes, and I've sent a patch to list. Thanks for your help!