I don't know what exactly is wrong with that docker container, but
certainly GAP workspace might not be present if you never ran GAP via
pexpect. It is created and rotated on the fly.
Does
sage: gap_console()
work for you, just as a sanity check?
On Mon, Feb 4, 2019 at 4:24 AM Nathan Dunfield <nat...@dunfield.info> wrote:
>
>
>
> On Sunday, February 3, 2019 at 7:23:52 PM UTC-6, Simon King wrote:
>>
>> Hi Nathan,
>>
>> On 2019-02-04, Nathan Dunfield <nat...@dunfield.info> wrote:
>> > On Sage 8.6 with Python 2, the following command produces the expected
>> > result (namely, a sage.interfaces.gap.GapElement):
>> >
>> > sage: gap('0')
>> > 0
>> >
>> > whereas in Sage 8.6 with Python 3 I get the following error:
>>
>> Works for me. In Sage 8.7.beta1 with Python 3.6.6, I get
>> sage: gap(0)
>> 0
>> sage: gap('0')
>> 0
>
>
> I just tried the git tip, which is Sage 8.7.beta2, and get the same error as
> before. The main error seems to be:
>
> FileNotFoundError: [Errno 2] No such file or directory:
> '/home/sage/.sage/gap/gap-workspace-0x1bd17f6665cc701c'
>
> It is the indeed the case that there is no file gap-workspace* in
> $HOME/.sage/gap, in fact, there is no directory $HOME/.sage/gap at all! If I
> do "libgap(0)", which does work, then a file
> $HOME/.sage/gap/libgap-workspace-* is created.
>
> This is on a complete clean Docker image [1], so possibly the reason it works
> for you but not me is that you have a gap-workspace file left over from a
> previous version? On the other hand, I tried copying over a gap-workspace
> file from the Python 2 version of Sage and that didn't help. So perhaps the
> error is coming when it tries to create the file or something.
>
> Essentially the only difference between [1] and my usual Docker image [2] is
> that I specify the config flag "python3" during the Sage build process.
>
> Best,
>
> Nathan
>
> [1] https://bitbucket.org/t3m/sagedocker/src/default/sage-py3/
> [2] https://hub.docker.com/r/computop/sage
>
> --
> 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 post to this group, send email to sage-devel@googlegroups.com.
> Visit this group at https://groups.google.com/group/sage-devel.
> For more options, visit https://groups.google.com/d/optout.
--
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 post to this group, send email to sage-devel@googlegroups.com.
Visit this group at https://groups.google.com/group/sage-devel.
For more options, visit https://groups.google.com/d/optout.
