I am trying to follow the directions on the page
http://sagemath.org/doc/numerical_sage/installation_osx.html
to install the visualization software in an os-x (10.6.3) installation
of sage 4.6.1 and absolutely nothing there works. Running
cd $SAGE_ROOT/local/lib
rm libpng*.dylib
from the terminal, severely breaks sage, as it starts up with a very
long string of error messages (pasted at the bottom of this post). It
then can't even recognize the command "install_package", or even
"2+2". If I instead try removing those files after starting sage, I
can try the line
install_package('python-2.5.1-framework')
but it says the package can't be found. In fact, I get the same error
when trying to install any of the other packages mentioned on this
page, such as vtk, scitools or mayavi.
I have had the exact same problems in sage 4.6, running on 10.4 and
10.5 as well. I somehow feel this page is very out of date, as I
followed some of the instructions on the related page
http://sagemath.org/doc/numerical_sage/installation_linux.html
to find out what installation of python I'm running, and it came back
with
sage: !ls spkg/standard | grep python
ipython-0.9.1.p0.spkg
python-2.6.4.p9.spkg
python_gnutls-1.1.4.p7.spkg
But it even says that the package 'python-2.6.4.p9.spkg' can't be
found.
Can anyone help out here?
Thanks,
Jon
Here is what happens when I run sage from the command line after
running "rm libpng*.dylib"
----------------------------------------------------------------------
| Sage Version 4.6.1, Release Date: 2011-01-11 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
---------------------------------------------------------------------------
ImportError Traceback (most recent call
last)
/Users/jtyard/sage-4.6.1/local/lib/python2.6/site-packages/IPython/
ipmaker.pyc in force_import(modname)
64 reload(sys.modules[modname])
65 else:
---> 66 __import__(modname)
67
68
/Users/jtyard/sage-4.6.1/local/bin/ipy_profile_sage.py in <module>()
5 preparser(True)
6
----> 7 import sage.all_cmdline
8 sage.all_cmdline._init_cmdline(globals())
9
/Users/jtyard/sage-4.6.1/local/lib/python2.6/site-packages/sage/
all_cmdline.py in <module>()
12 try:
13
---> 14 from sage.all import *
15 from sage.calculus.predefined import x
16 preparser(on=True)
/Users/jtyard/sage-4.6.1/local/lib/python2.6/site-packages/sage/all.py
in <module>()
71
72 from sage.rings.all import *
---> 73 from sage.matrix.all import *
74
75 # This must come before Calculus -- it initializes the Pynac
library.
/Users/jtyard/sage-4.6.1/local/lib/python2.6/site-packages/sage/matrix/
all.py in <module>()
----> 1
2
3 from matrix_space import MatrixSpace, is_MatrixSpace
4 from constructor import matrix, Matrix, random_matrix,
diagonal_matrix, identity_matrix, block_matrix, block_diagonal_matrix,
jordan_block, zero_matrix, ones_matrix
5 from matrix import is_Matrix
6 from berlekamp_massey import berlekamp_massey
7
/Users/jtyard/sage-4.6.1/local/lib/python2.6/site-packages/sage/matrix/
matrix_space.pyc in <module>()
35 import matrix_generic_sparse
36
---> 37 import matrix_modn_dense
38 import matrix_modn_sparse
39
/Users/jtyard/sage-4.6.1/local/bin/matrix_integer_dense.pxd in init
sage.matrix.matrix_modn_dense (sage/matrix/matrix_modn_dense.c:15559)
()
/Users/jtyard/sage-4.6.1/local/bin/matrix_mod2_dense.pxd in init
sage.matrix.matrix_integer_dense (sage/matrix/matrix_integer_dense.c:
40593)()
ImportError: dlopen(/Users/jtyard/sage-4.6.1/local/lib/python2.6/site-
packages/sage/matrix/matrix_mod2_dense.so, 2): Library not loaded: /
Users/jtyard/sage-4.6.1/local/lib/libpng12.0.dylib
Referenced from: /Users/jtyard/sage-4.6.1/local/lib/python2.6/site-
packages/sage/matrix/matrix_mod2_dense.so
Reason: image not found
Error importing ipy_profile_sage - perhaps you should run %upgrade?
WARNING: Loading of ipy_profile_sage failed.
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