On Wed, Nov 26, 2025 at 4:28 PM Waldek Hebisch <[email protected]> wrote:
>
> On Wed, Nov 26, 2025 at 08:59:02AM -0600, Dima Pasechnik wrote:
> > This was only a tip of the problem.
> >
> > We would like to have Sage working with GCL-compiled FriCAS, but it leaks
> > messages on things added to the workspace asynchronously, without a way to
> > suppress them via ")set mess".
> >
> > sage: fricas('3')
> >
> > ends with
> >
> > TypeError: An error occurred when FriCAS evaluated '3':
> > Function declaration sageprint : InputForm -> String has been added to
> > workspace.
> >
> > see <https://github.com/sagemath/sage/issues/40569>
> >
> > Is this a FriCAS bug?
>
> ATM there is no way to supress messages like 'Function declaration...'
> or 'Compiling function...'. One user asked for way to disable
> 'Compiling function...' messages, but quickly found a workaround and
> dropped the request. If sage needs to disable those message
> we can add appropriate control.
>
> However, concerning Sage use, output markers are supposed to delimit
> parts that are intersting to Sage. So it would be good to know
> what really does not work.
>
> Note that to change settings FriCAS must be at least partially
> initialized and you will get earlier messages, printend
> before you changed settings. There are confliciting demands
> how much initialization is done before user code gets first
> chance to intervene.
There ought to be a startup option to be able to **start** FriCAS with the
settings which suppress the messages needed to be suppressed,
including these which cannot currently be suppressed.
The current GCL-FriCAS issue shows that the messages appear out of sync with
the read/write on FriCAS console.
>> TypeError: An error occurred when FriCAS evaluated '3':
>> Function declaration sageprint : InputForm -> String has been added to
^^^^^^^^^^^^^^
> > workspace.
(see "sage" getting in the middle of the message I underlined with ^^^^ above ?)
While it's possible to work around this by adding various timeouts in
the communication
loop, it's all getting even more fragile than it is now.
Dima
>
> --
> Waldek Hebisch
>
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