Hello everybody,
(Sorry for the long code quoting.)
I'm trying to run Sage 5.0 (the binary version) on fedora 16. After launching Sage from terminal I get the following message:
==================================================================
----------------------------------------------------------------------
Sage Version 5.0, Release Date: 2012-05-14
Type notebook() for the GUI, and license() for information.
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/IPython/ipmaker.pyc in force_import(modname, force_reload)
61 reload(sys.modules[modname])
62 else:
---> 63 __import__(modname)
64
65
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/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
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/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)
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/all.py in <module>()
76
77 # This must come before Calculus -- it initializes the Pynac library.
---> 78 import sage.symbolic.pynac
79
80 from sage.modules.all import *
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/bin/pynac.pyx in init sage.symbolic.pynac (sage/symbolic/pynac.cpp:20046)()
2108
2109
-> 2110
2111
2112
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/bin/pynac.pyx in sage.symbolic.pynac.init_pynac_I (sage/symbolic/pynac.cpp:18021)()
2004
2005
-> 2006
2007
2008
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/rings/number_field/number_field.pyc in QuadraticField(D, name, check, embedding, latex_name, **args)
729 if latex_name == 'sqrt':
730 latex_name = r'\sqrt{%s}' % D
--> 731 return NumberField(f, name, check=False, embedding=embedding, latex_name=latex_name, **args)
732
733 def is_AbsoluteNumberField(x):
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/rings/number_field/number_field.pyc in NumberField(polynomial, name, check, names, cache, embedding, latex_name, assume_disc_small, maximize_at_primes)
451 if polynomial.degree() == 2:
452 K = NumberField_quadratic(polynomial, name, latex_name, check, embedding,
--> 453 assume_disc_small=assume_disc_small, maximize_at_primes=maximize_at_primes)
454 else:
455 K = NumberField_absolute(polynomial, name, latex_name, check, embedding,
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/rings/number_field/number_field.pyc in __init__(self, polynomial, name, latex_name, check, embedding, assume_disc_small, maximize_at_primes)
8302 else:
8303 from sage.rings.complex_double import CDF
-> 8304 self._standard_embedding = CDF.has_coerce_map_from(self) and CDF(rootD).imag() > 0
8305
8306 def _coerce_map_from_(self, K):
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/rings/complex_double.so in sage.rings.complex_double.ComplexDoubleField_class.__call__ (sage/rings/complex_double.c:3854)()
320
321
--> 322
323
324
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/structure/parent.so in sage.structure.parent.Parent.__call__ (sage/structure/parent.c:7941)()
1056
1057
-> 1058
1059
1060
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/categories/map.so in sage.categories.map.FormalCompositeMap._call_ (sage/categories/map.c:6087)()
1268
1269
-> 1270
1271
1272
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib/python2.7/site-packages/sage/rings/number_field/number_field_morphisms.so in sage.rings.number_field.number_field_morphisms.NumberFieldEmbedding._call_ (sage/rings/number_field/number_field_morphisms.c:2244)()
75
76
---> 77
78
79
/home/Downloads/sage-5.0-linux-64bit-fedora_release_16_verne_-x86_64-Linux/local/lib ...
(more)