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Procedure to regenerate pycbf? #59

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ndevenish opened this issue Aug 20, 2022 · 2 comments
Open

Procedure to regenerate pycbf? #59

ndevenish opened this issue Aug 20, 2022 · 2 comments

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@ndevenish
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I'm having trouble working out how to regenerate pycbf on the new release. it looks like the linux.sh file is maybe out of date, and it looks to me as though the files on release don't cleanly regenerate or even compile in latex, which is a prerequisite for the nuweb workflow.

Rough list of the most important Issues I've encountered:

  • The pycbf/CBFlib.txt file is (six years!) out of date:
    $ make $(pwd)/pycbf/CBFlib.txt
    make: '/home/cbfbuilder/cbflib/pycbf/CBFlib.txt' is up to date.
    $ touch doc/CBFlib.html
    $ make $(pwd)/pycbf/CBFlib.txt
    links -dump /home/cbfbuilder/cbflib/doc/CBFlib.html > /home/cbfbuilder/cbflib/pycbf/CBFlib.txt
    
  • Latex errors when attempting to regenerate the python bindings. Note that this isn't done in the Makefile on any normal build; not in make all, and not in make tests (which only builds _pycbf.so). This issue can be demonstrated by simply asking for pycbf.py (or pycbf.pdf, which is the actual rule for trying to regenerate the sources):
    $ make $(pwd)/pycbf/pycbf.py
    (cd /home/cbfbuilder/cbflib/pycbf; \
    
    ....
    
    (./pycbf.toc
    ! Missing $ inserted.
    <inserted text>
                    $
    l.16 ...th write logic added}{17}{subsection.10.4}
    
    ?
    
  • Generally the Makefile doesn't seem to build nuweb things properly e.g. the rule for make_pycbf.py is plain incorrect:
    $(PY3CBF)/make_pycbf.py: $(NUWEB_DEP) $(NUWEB_DEP2) $(PY3CBF)/make_pycbf.w
        (cd $(PY3CBF); $(NUWEB) make_pycbf.w)
    This runs nuweb only - the only output from this command is a new make_pycbf.tex. This latex script also seems to not compile (and is not checked in), so I am unable to confirm if the checked in code is an up-to-date regeneration.

Without being able to compile the nuweb sources, I can't regenerate anything that depends on them e.g. everything. So what am I doing wrong, how do I actually generate these?

Finally... I notice that you've kept the whole nuweb lifecycle in this release. I'd urge reconsideration for future releases, since it looks as though it's not being developed in a literate programming way any more, and looks as though it barely was - almost the entirety of most .w files appear to be plain sections with the pasted code, beyond the initial efforts at documentation in pycbf.w. It would make the build process considerably simpler, make it so that commit changes don't have the same change in three different files all over the place (.w, .tex, and the generated output), and eliminate the error of "forgetting to regenerate after changes" (see e.g. much of the noise on the now out-of-date #19, which hadn't been correctly regenerated in a while).

@yayahjb
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yayahjb commented Aug 20, 2022 via email

@ndevenish
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No problem, there isn't any urgency, I was just intending to integrate the 0.9.7 changes into https://github.com/dials/pycbf. Obviously that's not possible with the current state of pycbf. Hope everything goes well.

Nick

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