On Tuesday, September 27, 2022 at 10:11:00 AM UTC-7 dim...@gmail.com wrote:
> Basically, we should deprecate and remove tmp_dir() and tmp_filename() > from Sage. > Does Sagecell use them? It should not, Python3 has perfectly good > replacements... > As long as we test everything on a variety of platforms and browsers, because it seems that things are broken on some platforms now. https://ask.sagemath.org/question/64192/temporary-html-files-location-in-sage-97/ > > On Tue, Sep 27, 2022 at 6:06 PM Matthias Koeppe > <matthia...@gmail.com> wrote: > > > > Previous discussion -- in the ticket that made these changes to SAGE_TMP > --- https://trac.sagemath.org/ticket/33213#comment:11 > > > > > > On Tuesday, September 27, 2022 at 9:10:28 AM UTC-7 novo...@gmail.com > wrote: > >> > >> On Tuesday, 27 September 2022 at 03:22:47 UTC-6 dim...@gmail.com > wrote: > >>> > >>> On Tue, Sep 27, 2022 at 3:58 AM Andrey Novoseltsev <novo...@gmail.com> > wrote: > >>> > this temporary directory is created and then used ever after. But > what if it gets deleted? > >>> I think it's meant to be used in a context manager, i.e. with with > >>> statement, e.g., citing python docs: > >>> > >>> >>> with tempfile.TemporaryDirectory() as tmpdirname: > >>> ... print('created temporary directory', tmpdirname) > >>> >>> > >>> # directory and contents have been removed > >>> > >>> Or with a callback (from Sage source) > >>> > >>> TMP_DIR_FILENAME_BASE=tempfile.TemporaryDirectory() > >>> atexit.register(lambda: TMP_DIR_FILENAME_BASE.cleanup()) > >>> > >>> > >>> Needless to say, one can interfere with it in a bad way messing around > >>> with ~/.sage/ - but so it the case for any file-based process... > >>> > >> > >> It seems to me like a pretty common and sensible practice, that /tmp > directories get cleaned up, especially on systems with lots of activity. I > would not consider it as "a bad way messing around". But creating a > temporary directory and then counting on it being there hours later for > another quick temporary operation may be a bit too optimistic. That > callback is designed to clean up after Sage quits, which is a good thing to > do, but it is not related to being able to use the directory. > > > > -- > > You received this message because you are subscribed to the Google > Groups "sage-devel" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to sage-devel+...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-devel/8400b398-f51a-4a1b-a911-32f60ef8b8fdn%40googlegroups.com. > > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/86132f9c-85ef-4d16-a699-0625795371f8n%40googlegroups.com.
