Was the issue that Andrew describes fixed with ticket 36529? I still seem to have a similar issue with the view command.
Best wishes, Anne On Tuesday, December 12, 2023 at 7:36:52 PM UTC-8 John H Palmieri wrote: > Please add comments to that ticket. > > On Tuesday, December 12, 2023 at 6:15:31 PM UTC-8 Andrew wrote: > >> Thanks John. >> >> Yes, I think you are right because this PR is about exactly this issue >> and, more importantly, it adds the code that I want to brutalise. I missed >> this when used git blame to look for recent changes to sage.misc.latex. >> This fits as view() was working without issues for me a month or so ago and >> this was only merged at the end of October. >> >> Since https://github.com/sagemath/sage/pull/36529 is already merged is >> it too late to add a comment on the ticket? >> >> Andrew >> >> >> On Wednesday 13 December 2023 at 12:30:03 pm UTC+11 John H Palmieri wrote: >> >>> Could this be related to https://github.com/sagemath/sage/pull/36529? >>> >>> >>> On Tuesday, December 12, 2023 at 3:50:55 PM UTC-8 Andrew wrote: >>> >>>> Playing around with this a little more, I think that this is a >>>> bug/timing issue in sage.misc.latex.py (or in subprocess.run, or a mac >>>> oddity since it only started happening recently). >>>> >>>> What seems to be happening is that the generated PDF file, output_file, >>>> is being deleted before the viewer is able to open it. Specifically, if I >>>> add time.sleep(2) before the tmp.cleanup then the viewer opens as >>>> expected. >>>> >>>> def run_viewer(): >>>> run([viewer, output_file], capture_output=True) >>>> time.sleep(1) ## adding this, together with import time, >>>> fixes the problem >>>> tmp.cleanup() >>>> >>>> (This around line 1957 of latex.py.) Certainly this explains my >>>> experience of the command working sometimes and failing at other times. On >>>> the other hand, it is a little strange because subprocess.run is supposed >>>> to wait for the process to finish. A shorter example that exhibits the >>>> problem, at least on the two macs that I have available, is >>>> >>>> sage: view(crystals.LSPaths( >>>> RootSystem(['A',4]).weight_space().basis()[1] ) ) >>>> >>>> If people agree that this is a bug then I am happy to post a fix. >>>> >>>> Andrew >>>> >>>> >>>> On Monday 11 December 2023 at 4:35:59 pm UTC+11 Andrew wrote: >>>> >>>>> I am trying to view crystal graphs from inside sage, and I am going a >>>>> little nuts. Sometimes view(...) works as I expect but most of the time >>>>> it >>>>> doesn't, and I see the error message: >>>>> >>>>> The document “sage.pdf” could not be opened. The file doesn’t exist. >>>>> >>>>> (my emphasis). I compiled sage from source and I am running: >>>>> >>>>> SageMath version 10.3.beta1 >>>>> Release Date: 2023-12-10 >>>>> Using Python 3.11.6. >>>>> >>>>> on a 2022 macbook pro (M1 max), running Sonoma 14.1.2. I installed >>>>> dot2tex using: >>>>> sage -i dot2tex, which >>>>> which installed without errors. Running >>>>> sage: from sage.graphs.graph_latex import check_tkz_graph >>>>> sage: check_tkz_graph() >>>>> does not report any problems with my set up. >>>>> >>>>> I get the error message above using the the sage commands: >>>>> >>>>> sage: L=RootSystem(['A',4]).weight_space().basis() >>>>> sage: G=crystals.LSPaths(['A',4], L[1]) >>>>> sage: G >>>>> The crystal of LS paths of type ['A', 4] and weight Lambda[2] >>>>> sage: view(G) >>>>> >>>>> I get the same error if I try the examples from the "Classical >>>>> crystals" thematic tutorial, >>>>> <https://doc.sagemath.org/html/en/thematic_tutorials/lie/crystals.html#installing-dot2tex> >>>>> >>>>> such as: >>>>> >>>>> sage: B = crystals.Tableaux(['A',2], shape=[2,1]) >>>>> sage: view(B, tightpage=True) >>>>> >>>>> When it does work, a nice tikz generated pdf file pops up. Am I >>>>> missing some steps? Can anyone tell me what I am doing wrong? >>>>> >>>>> Andrew >>>>> >>>>> >>>>> -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/4bf2e9b8-cadf-4176-9a84-70df27f020a9n%40googlegroups.com.
