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/7227e438-d87f-4ec7-8511-8be2413a68d1n%40googlegroups.com.
