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...
On Tue, Sep 27, 2022 at 6:06 PM Matthias Koeppe <matthiaskoe...@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+unsubscr...@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/CAAWYfq0bSZonYOjNQDJER8AxOR%3Ddq2yKt33_6GURC7XUEyeU_g%40mail.gmail.com.
