#6422: [with patch, needs review] make
sage.symbolic.expression.Expression.__init__ usable
-----------------------+----------------------------------------------------
Reporter: burcin | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-4.1
Component: symbolics | Keywords:
Reviewer: | Author: Burcin Erocal
Merged: |
-----------------------+----------------------------------------------------
Comment(by was):
Upon applying this to sage-4.1.alpha1 I get failures:
{{{
sage -t devel/sage/sage/symbolic/expression.pyx
/scratch/wstein/build/sage-4.1.alpha1/local/lib/python/site-
packages/sage/misc/misc.py:1900: DeprecationWarning: functions overriding
warnings.showwarning() must support the 'line' argument
warn(message, DeprecationWarning, stacklevel=3)
**********************************************************************
File "/scratch/wstein/build/sage-4.1.alpha1/devel/sage-
main/sage/symbolic/expression.pyx", line 219:
sage: sage.symbolic.expression.Expression(SR)
Exception raised:
Traceback (most recent call last):
File
"/scratch/wstein/build/sage-4.1.alpha1/local/bin/ncadoctest.py", line
1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/scratch/wstein/build/sage-4.1.alpha1/local/bin/sagedoctest.py", line 38,
in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/scratch/wstein/build/sage-4.1.alpha1/local/bin/ncadoctest.py", line
1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_4[2]>", line 1, in <module>
sage.symbolic.expression.Expression(SR)###line 219:
sage: sage.symbolic.expression.Expression(SR)
File "expression.pyx", line 224, in
sage.symbolic.expression.Expression.__init__
(sage/symbolic/expression.cpp:2761)
cdef Expression exp = self.coerce_in(x)
File "expression.pyx", line 1495, in
sage.symbolic.expression.Expression.coerce_in
(sage/symbolic/expression.cpp:9537)
return self._parent._coerce_(z)
AttributeError: 'NoneType' object has no attribute '_coerce_'
**********************************************************************
File "/scratch/wstein/build/sage-4.1.alpha1/devel/sage-
main/sage/symbolic/expression.pyx", line 221:
sage: sage.symbolic.expression.Expression(SR, 5)
Exception raised:
Traceback (most recent call last):
File
"/scratch/wstein/build/sage-4.1.alpha1/local/bin/ncadoctest.py", line
1231, in run_one_test
self.run_one_example(test, example, filename, compileflags)
File
"/scratch/wstein/build/sage-4.1.alpha1/local/bin/sagedoctest.py", line 38,
in run_one_example
OrigDocTestRunner.run_one_example(self, test, example, filename,
compileflags)
File
"/scratch/wstein/build/sage-4.1.alpha1/local/bin/ncadoctest.py", line
1172, in run_one_example
compileflags, 1) in test.globs
File "<doctest __main__.example_4[3]>", line 1, in <module>
sage.symbolic.expression.Expression(SR, Integer(5))###line 221:
sage: sage.symbolic.expression.Expression(SR, 5)
File "expression.pyx", line 224, in
sage.symbolic.expression.Expression.__init__
(sage/symbolic/expression.cpp:2761)
cdef Expression exp = self.coerce_in(x)
File "expression.pyx", line 1495, in
sage.symbolic.expression.Expression.coerce_in
(sage/symbolic/expression.cpp:9537)
return self._parent._coerce_(z)
AttributeError: 'NoneType' object has no attribute '_coerce_'
**********************************************************************
1 items had failures:
2 of 4 in __main__.example_4
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6422#comment:1>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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