import problem on sage@cygwin

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Dima Pasechnik

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Dec 1, 2011, 10:50:16 AM12/1/11
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Trying to start freshly built sage on Cygwin (Windows 7) I get:

Dima@SPMS-DIMA-W7 /usr/local/sage/sage-4.7.2
$ ./sage
----------------------------------------------------------------------
| Sage Version 4.7.2, Release Date: 2011-10-29                       |
| Type notebook() for the GUI, and license() for information.        |
----------------------------------------------------------------------
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)

/usr/local/sage/sage-4.7.2/local/bin/<string> in <module>()

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/preparser_ipython.py in <module>()
      6 ###########################################################################
      7
----> 8 import sage.misc.interpreter
      9
     10 import preparser

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/interpreter.py in <module>()
    100
    101 import os
--> 102 import log
    103 import re
    104

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/log.py in <module>()
     63
     64 import interpreter
---> 65 import latex
     66 import misc
     67

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/latex.py in <module>()
     63 import types
     64
---> 65 from misc import tmp_dir, graphics_filename
     66 import sage_eval
     67 from sage.misc.sage_ostools import have_program

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/misc.py in <module>()
     36
     37 import operator, os, stat, socket, sys, signal, time, weakref, resource, math
---> 38 import sage.misc.prandom as random
     39
     40 from banner import version, banner

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/prandom.py in <module>()
     54 # setting seeds should only be done through sage.misc.randstate .
     55
---> 56 from sage.misc.randstate import current_randstate
     57
     58 def _pyrand():

ImportError: No such file or directory
WARNING: Failure executing code: 'import sage.misc.preparser_ipython;  sage.misc.preparser_ipython.magma_colon_equals=True'
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/IPython/ipmaker.pyc in force_import(modname, force_reload)
     61         reload(sys.modules[modname])
     62     else:
---> 63         __import__(modname)
     64
     65

/usr/local/sage/sage-4.7.2/local/bin/ipy_profile_sage.py in <module>()
      1 import os
      2 if 'SAGE_CLEAN' not in os.environ:
----> 3     import sage.misc.misc
      4     from sage.misc.interpreter import preparser, _ip
      5     preparser(True)

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/misc.py in <module>()
     36
     37 import operator, os, stat, socket, sys, signal, time, weakref, resource, math
---> 38 import sage.misc.prandom as random
     39
     40 from banner import version, banner

/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/prandom.py in <module>()
     54 # setting seeds should only be done through sage.misc.randstate .
     55
---> 56 from sage.misc.randstate import current_randstate
     57
     58 def _pyrand():

ImportError: No such file or directory
Error importing ipy_profile_sage - perhaps you should run %upgrade?
WARNING: Loading of ipy_profile_sage failed.

<ERROR: name 'sage_prompt' is not defined>

---------------------------------------
Any idea what exactly fails?
(./sage -gap, -python, -ipython, -maxima, -lisp, -gp all work, just in case...)
How would you debug this?

Thanks,
Dima

kcrisman

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Dec 1, 2011, 11:51:22 AM12/1/11
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> /usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/misc/pran dom.py

> in <module>()
>      54 # setting seeds should only be done through sage.misc.randstate .
>      55
> ---> 56 from sage.misc.randstate import current_randstate
>      57
>      58 def _pyrand():
>
> ImportError: No such file or directory
> Error importing ipy_profile_sage - perhaps you should run %upgrade?
> WARNING: Loading of ipy_profile_sage failed.
>
> <ERROR: name 'sage_prompt' is not defined>
>
> ---------------------------------------
> Any idea what exactly fails?
> (./sage -gap, -python, -ipython, -maxima, -lisp, -gp all work, just in
> case...)
> How would you debug this?

Yeah, I got this same error the very last time I successfully built
Sage (which means I didn't get to the Pari segfault in
http://trac.sagemath.org/sage_trac/ticket/11551).

I'd suggest trying ./sage -gdb, but I assume you've tried this; I
don't remember it giving any useful information, though this was a
while ago.

One thing I have noticed is that cygwin has the cygcheck capability,
and sometimes it turns out there are two of the same thing somewhere,
see for instance http://trac.sagemath.org/sage_trac/ticket/9167.

By the way, does that mean that it's possible that
http://trac.sagemath.org/sage_trac/ticket/6743 (with your recent
changes to the spkg list) will be ready to go? That would be
awesome. I hadn't even tried the newest ECL spkg (though I knew it
had the changes) because of my own problems with Cygwin and sed, my
apologies for not updating #6743 with that potentially useful (and, in
the event, useful!) info.

- kcrisman

kcrisman

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Dec 1, 2011, 12:05:51 PM12/1/11
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Dima Pasechnik

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Dec 1, 2011, 9:29:08 PM12/1/11
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it does exist.
Here is perhaps a more telling symptom:

$ ./sage -python
Python 2.6.4 (r264:75706, Nov 29 2011, 16:54:39)
[GCC 4.5.3] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import sage
>>> from sage import *
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/sage/sage-4.7.2/local/lib/python2.6/site-packages/sage/all.py", line 63, in <module>
    from sage.ext.c_lib import _init_csage, sig_on_count
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