2009/11/30 William Stein <wst...@gmail.com>:
> On Sun, Nov 29, 2009 at 9:38 AM, dimpase <dimp...@gmail.com> wrote:
>> Another similar question involves using the local version of GAP
>> in place of the supplied one.
>> Apart from the fact that Sage is distributed with an old and (a bit)
>> broken version of GAP,
>> (well, I know that I can install a newer version by downloading the
>> corresponding update)
>> having two copies of GAP is awkward, just given the fact that a full
>> installation of GAP with all
>> the packages and libraries is quite huge.
>> (well, maybe it is psychological difficulty, as I use (and
>> occasionally develop small bits of) GAP since
>> 1994... :))
>>
>
> Can you test if this will actually work by modifying the file
>
> SAGE_ROOT/local/bin/gap
>
> in your Sage install in the natural way?
not quite.
After I do this, (on Sage updated with gap-4.4.12.p2.spkg)
I can run my local GAP installation, but
gap_reset_workspace
fails:
d...@spms-dima:/usr/local/src/sage-4.2.1/local/bin$ sage
----------------------------------------------------------------------
| Sage Version 4.2.1, Release Date: 2009-11-14 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage:
sage: gap.console()
GAP4, Version: 4.4.12 of 17-Dec-2008, i686-pc-linux-gnu-gcc
gap> LoadPackage("grape");
true
gap>
sage: gap_reset_workspace()
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
/usr/local/src/sage-4.2.1/local/bin/<ipython console> in <module>()
/usr/local/src/sage-4.2.1/local/lib/python2.6/site-packages/sage/interfaces/gap.pyc
in gap_reset_workspace(max_workspace_size, verbose)
976 pass
977 # end for
--> 978 g.eval('SaveWorkspace("%s");'%WORKSPACE)
979
980
/usr/local/src/sage-4.2.1/local/lib/python2.6/site-packages/sage/interfaces/gap.pyc
in eval(self, x, newlines, strip, **kwds)
478 input_line += ';'
479
--> 480 result = Expect.eval(self, input_line, **kwds)
481
482 if not newlines:
/usr/local/src/sage-4.2.1/local/lib/python2.6/site-packages/sage/interfaces/expect.pyc
in eval(self, code, strip, synchronize, locals, **kwds)
980 try:
981 with gc_disabled():
--> 982 return '\n'.join([self._eval_line(L, **kwds)
for L in code.split('\n') if L != ''])
983 except KeyboardInterrupt:
984 # DO NOT CATCH KeyboardInterrupt, as it is being caught
/usr/local/src/sage-4.2.1/local/lib/python2.6/site-packages/sage/interfaces/gap.pyc
in _eval_line(self, line, allow_use_file, wait_for_prompt)
683 try:
684 if self._expect is None:
--> 685 self._start()
686 E = self._expect
687 #import pdb; pdb.set_trace()
/usr/local/src/sage-4.2.1/local/lib/python2.6/site-packages/sage/interfaces/gap.pyc
in _start(self)
360 self._session_number = n
361 return
--> 362 raise RuntimeError, msg
363
364 if self.__use_workspace_cache and self.__make_workspace:
RuntimeError: Unable to start gap
sage:
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