Hi,
I started writing an external library that uses Sage and I meditatly ran into:
>>> import sage.rings.integer
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: libcsage.so: cannot open shared object file: No such file
or directory
>>> import sage.rings.arith
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/home/timothy/sage-2.8.13/local/lib/python2.5/site-packages/sage/rings/arith.py",
line 14, in <module>
import sage.misc.misc as misc
File
"/home/timothy/sage-2.8.13/local/lib/python2.5/site-packages/sage/misc/misc.py",
line 28, in <module>
SAGE_ROOT = os.environ["SAGE_ROOT"]
File "/home/timothy/sage-2.8.13/local/lib/python2.5/UserDict.py",
line 22, in __getitem__
raise KeyError(key)
KeyError: 'SAGE_ROOT'
I'm using Ubuntu 7.10 64 on AMD 64X2. I'm using Sage 2.8.13 built from
source upgraded to 2.8.14. I tried the Ubuntu 32 Sage binary before
building from source.
When I use Sage to run:
[simport.py] ------
from sage.rings.integer import Integer
I get
------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occured in SAGE.
This probably occured because a *compiled* component
of SAGE has a bug in it (typically accessing invalid memory)
or is not properly wrapped with _sig_on, _sig_off.
You might want to run SAGE under gdb with 'sage -gdb' to debug this.
SAGE will now terminate (sorry).
------------------------------------------------------------
sage: Error running simport.py using Python
In my library I won't want to have to import all of Sage just to be
able to use Integer, factor, etc.
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