Sage 3.2.1 + interactive gdb or valgrind are broken

[sagetrac-mabshoff]

Notice the following:

mabshoff@sage:/scratch/mabshoff/release-cycle/sage-3.2.2.alpha2$ ./sage
----------------------------------------------------------------------
| Sage Version 3.2.2.alpha2, Release Date: 2008-12-13                |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
sage: P.<x,y>=ZZ[]
sage: 
Exiting SAGE (CPU time 0m0.08s, Wall time 0m4.42s).
mabshoff@sage:/scratch/mabshoff/release-cycle/sage-3.2.2.alpha2$ ./sage -valgrind
----------------------------------------------------------------------
| Sage Version 3.2.2.alpha2, Release Date: 2008-12-13                |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
/scratch/mabshoff/release-cycle/sage-3.2.2.alpha2/local/bin/sage-ipython
Log file is /home/mabshoff/.sage/valgrind/sage-memcheck.%p
Using default flags:
--leak-resolution=high --leak-check=full --show-reachable=yes 
--log-file=/home/mabshoff/.sage/valgrind/sage-memcheck.%p --leak-check=full 
--num-callers=25 --suppressions=/scratch/mabshoff/release-cycle/sage-3.2.2.alpha2/local/lib/valgrind/sage.supp
Python 2.5.2 (r252:60911, Dec 13 2008, 22:51:49) 
[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
sage: P.<x,y>=ZZ[]
------------------------------------------------------------
   File "<ipython console>", line 1
     P.<x,y>=ZZ[]
       ^
SyntaxError: invalid syntax

sage: 

I would blame the IPython fixes, but I have zero evidence so far.

Cheers,

Michael

CC: @mwhansen

Component: packages: standard

Issue created by migration from https://trac.sagemath.org/ticket/4792

[sagetrac-mabshoff]

comment:2

The same applies to Sage+gdb. Note:

mabshoff@sage:/scratch/mabshoff/release-cycle/sage-3.2.2.alpha2$ ./sage -gdb
----------------------------------------------------------------------
| Sage Version 3.2.2.alpha2, Release Date: 2008-12-13                |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
/scratch/mabshoff/release-cycle/sage-3.2.2.alpha2/local/bin/sage-ipython
GNU gdb 6.4.90-debian
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

[Thread debugging using libthread_db enabled]
[New Thread 47877213499232 (LWP 27640)]
Python 2.5.2 (r252:60911, Dec 13 2008, 22:51:49) 
[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
sage: r
No previous input matching `` found.
sage: P.<x,z>=ZZ[]
------------------------------------------------------------
   File "<ipython console>", line 1
     P.<x,z>=ZZ[]
       ^
SyntaxError: invalid syntax

sage: 

Program exited normally.
mabshoff@sage:/scratch/mabshoff/release-cycle/sage-3.2.2.alpha2$ ./sage
----------------------------------------------------------------------
| Sage Version 3.2.2.alpha2, Release Date: 2008-12-13                |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
sage: P.<x,z>=ZZ[]
sage: 
Exiting SAGE (CPU time 0m0.07s, Wall time 0m4.16s).

Cheers,

Michael

[sagetrac-mabshoff]

comment:3

Ok, here is some more info: The problem stems from the way we change initialization of ipython:

mabshoff@sage:/scratch/mabshoff/release-cycle/sage-3.2.2.rc0$ ./sage -gdb
----------------------------------------------------------------------
| Sage Version 3.2.2.alpha2, Release Date: 2008-12-13                |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
/scratch/mabshoff/release-cycle/sage-3.2.2.rc0/local/bin/sage-ipython
GNU gdb 6.4.90-debian
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

[Thread debugging using libthread_db enabled]
[New Thread 47781974642528 (LWP 32617)]
Python 2.5.2 (r252:60911, Dec 13 2008, 09:57:26) 
[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
sage: import sage.misc.misc
sage: from sage.misc.interpreter import preparser, _ip
sage: preparser(True)
sage: import sage.all_cmdline
sage: sage.all_cmdline._init_cmdline(globals())
sage: _ip.ex('from sage.all import Integer, RealNumber')
sage: from sage.misc.interpreter import attached_files
sage: _ip.ex('from sage.all_cmdline import *')
sage: P.<x,y>=ZZ[]
sage: 
Exiting SAGE (CPU time 0m0.98s, Wall time 2m13.59s).

The above steps are from ipy_profile_sage.py in local/bin.

Cheers,

Michael

[mwhansen]

comment:4

Attachment: trac_4792.patch.gz

[sagetrac-mabshoff]

comment:5

Thanks Mike, positive review. I was getting close myself, but you beat me to it :)

Cheers,

Michael

[sagetrac-mabshoff]

comment:6

Merged in Sage 3.2.2.rc0