#11900: Serious regression caused by #9138
-------------------------------------------------------------+--------------
Reporter: SimonKing | Owner:
tbd
Type: defect | Status:
needs_work
Priority: critical | Milestone:
sage-5.0
Component: performance | Keywords:
categories regression
Work_issues: | Upstream:
N/A
Reviewer: Jeroen Demeyer, Nicolas M. Thiéry, Simon King | Author:
Simon King
Merged: | Dependencies:
#11319, #9138, #11911, #9562
-------------------------------------------------------------+--------------
Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
Bad news: this breaks on OS X 10.6. With sage-4.8.alpha5 + #9138 +
#11900, sage fails to start up:
{{{
bsd:sage-4.8.alpha5 jdemeyer$ ./sage
----------------------------------------------------------------------
| Sage Version 4.8.alpha5, Release Date: 2011-12-20 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
**********************************************************************
* *
* Warning: this is a prerelease version, and it may be unstable. *
* *
**********************************************************************
---------------------------------------------------------------------------
TypeError Traceback (most recent call
last)
/Users/jdemeyer/sage-4.8.alpha5/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
/Users/jdemeyer/sage-4.8.alpha5/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/jdemeyer/sage-4.8.alpha5/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/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/all.py in <module>()
66 from time import sleep
67
---> 68 from sage.misc.all import * # takes a while
69
70 from sage.misc.sh import sh
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/misc/all.py in <module>()
79 from func_persist import func_persist
80
---> 81 from functional import (additive_order,
82 sqrt as numerical_sqrt,
83 arg,
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/misc/functional.py in <module>()
34
35
---> 36 from sage.rings.complex_double import CDF
37 from sage.rings.real_double import RDF, RealDoubleElement
38
/Users/jdemeyer/sage-4.8.alpha5/local/bin/complex_double.pyx in init
sage.rings.complex_double (sage/rings/complex_double.c:15152)()
90
91
---> 92
93
94
Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/rings/complex_field.pyc in ComplexField(prec, names)
85 if not C is None:
86 return C
---> 87 C = ComplexField_class(prec)
88 cache[prec] = weakref.ref(C)
89 return C
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/rings/complex_field.pyc in __init__(self, prec)
185 ParentWithGens.__init__(self, self._real_field(), ('I',),
False, category = Fields())
186 # self._populate_coercion_lists_()
--> 187
self._populate_coercion_lists_(coerce_list=[complex_number.RRtoCC(self._real_field(),
self)])
188
189 def __reduce__(self):
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/rings/complex_number.so in
sage.rings.complex_number.RRtoCC.__init__
(sage/rings/complex_number.c:14411)()
2261
2262
-> 2263
2264
2265
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/categories/map.so in sage.categories.map.Map.__init__
(sage/categories/map.c:2234)()
121
122
--> 123
124
125
Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/categories/homset.pyc in Hom(X, Y, category)
199 # For the moment, this is the category, for compatibility with
the current implementations
200 # of Homset in rings, schemes, ...
--> 201 H = category.hom_category().parent_class(X, Y, category =
category)
202
203 ##_cache[key] = weakref.ref(H)
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/categories/homset.pyc in __init__(self, X, Y, category,
base, check)
339 # raise TypeError, "Y (=%s) must be in category
(=%s)"%(Y, category)
340
--> 341 Parent.__init__(self, base = base, category =
category.hom_category())
342
343 def _repr_(self):
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/structure/parent.so in sage.structure.parent.Parent.__init__
(sage/structure/parent.c:4197)()
515
516
--> 517
518
519
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/structure/parent.so in
sage.structure.parent.Parent._init_category_
(sage/structure/parent.c:4711)()
564
565
--> 566
567
568
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/structure/dynamic_class.pyc in dynamic_class(name, bases,
cls, reduction, doccls)
254 assert(type(name) is str)
255 # assert(cls is None or issubtype(type(cls), type) or
type(cls) is classobj)
--> 256 return dynamic_class_internal(name, bases, cls, reduction,
doccls)
257
258 @cached_function
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/misc/cachefunc.pyc in __call__(self, *args, **kwds)
176 return self.cache[k]
177 except KeyError:
--> 178 w = self.f(*args, **kwds)
179 self.cache[k] = w
180 return w
/Users/jdemeyer/sage-4.8.alpha5/local/lib/python2.6/site-
packages/sage/structure/dynamic_class.pyc in dynamic_class_internal(name,
bases, cls, reduction, doccls)
341 if type(base) is ClasscallMetaclass:
342 metaclass = DynamicClasscallMetaclass
--> 343 return metaclass(name, bases, methods)
344
345 class DynamicMetaclass(type):
TypeError: duplicate base class Sets.HomCategory.parent_class
Error importing ipy_profile_sage - perhaps you should run %upgrade?
WARNING: Loading of ipy_profile_sage failed.
sage:
}}}
With only #9138 applied, it works.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11900#comment:222>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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