Hi Florent,
Thanks for your comments, but unfortunately this does not work. My class has a
_classcall_private_. Is that the problem?
Cheers,
Anne
*********************************************************************
File
"/Applications/sage-5.0.beta3/devel/sage-combinat/sage/combinat/posets/linear_extensions.py",
line 289:
sage: TestSuite(L).run()
Expected nothing
Got:
Failure in _test_an_element:
Traceback (most recent call last):
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/sage_unittest.py",
line 279, in run
test_method(tester = tester)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/sets_cat.py",
line 404, in _test_an_element
an_element = self.an_element()
File "parent.pyx", line 2519, in sage.structure.parent.Parent.an_element
(sage/structure/parent.c:17566)
File "parent.pyx", line 2545, in sage.structure.parent.Parent.an_element
(sage/structure/parent.c:17510)
File "parent.pyx", line 2613, in
sage.structure.parent.Parent._an_element_ (sage/structure/parent.c:18101)
NotImplementedError: please implement _an_element_ for The set of all
linear extensions of Finite poset containing 4 elements
------------------------------------------------------------
Failure in _test_elements:
Traceback (most recent call last):
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/sage_unittest.py",
line 279, in run
test_method(tester = tester)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/sets_cat.py",
line 468, in _test_elements
an_element = self.an_element()
File "parent.pyx", line 2519, in sage.structure.parent.Parent.an_element
(sage/structure/parent.c:17566)
File "parent.pyx", line 2545, in sage.structure.parent.Parent.an_element
(sage/structure/parent.c:17510)
File "parent.pyx", line 2613, in
sage.structure.parent.Parent._an_element_ (sage/structure/parent.c:18101)
NotImplementedError: please implement _an_element_ for The set of all
linear extensions of Finite poset containing 4 elements
------------------------------------------------------------
Failure in _test_elements_eq:
Traceback (most recent call last):
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/sage_unittest.py",
line 279, in run
test_method(tester = tester)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/sets_cat.py",
line 555, in _test_elements_eq
elements = list(self.some_elements())+[None, 0]
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/enumerated_sets.py",
line 514, in _some_elements_from_iterator
for i in self:
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/enumerated_sets.py",
line 390, in _iterator_from_list
for x in self.list():
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/combinat/posets/linear_extensions.py",
line 330, in list
return [ LinearExtensionOfPoset([i.element for i in p],self._poset) for
p in self._poset.linear_extensions() ]
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/classcall_metaclass.py",
line 274, in __call__
return cls.__classcall_private__(cls, *args, **options)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/combinat/posets/linear_extensions.py",
line 106, in __classcall_private__
return LinearExtensionsOfPoset(P)(lin_ext)
File "parent.pyx", line 1059, in sage.structure.parent.Parent.__call__
(sage/structure/parent.c:7886)
File "coerce_maps.pyx", line 82, in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(sage/structure/coerce_maps.c:3344)
File "coerce_maps.pyx", line 77, in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(sage/structure/coerce_maps.c:3247)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/sets_cat.py",
line 309, in _element_constructor_from_element_class
return self.element_class(parent = self, *args, **keywords)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/classcall_metaclass.py",
line 278, in __call__
return type.__call__(cls, *args, **options)
TypeError: __init__() got multiple values for keyword argument 'parent'
------------------------------------------------------------
Failure in _test_enumerated_set_contains:
Traceback (most recent call last):
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/sage_unittest.py",
line 279, in run
test_method(tester = tester)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/enumerated_sets.py",
line 621, in _test_enumerated_set_contains
for w in self:
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/enumerated_sets.py",
line 390, in _iterator_from_list
for x in self.list():
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/combinat/posets/linear_extensions.py",
line 330, in list
return [ LinearExtensionOfPoset([i.element for i in p],self._poset) for
p in self._poset.linear_extensions() ]
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/classcall_metaclass.py",
line 274, in __call__
return cls.__classcall_private__(cls, *args, **options)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/combinat/posets/linear_extensions.py",
line 106, in __classcall_private__
return LinearExtensionsOfPoset(P)(lin_ext)
File "parent.pyx", line 1059, in sage.structure.parent.Parent.__call__
(sage/structure/parent.c:7886)
File "coerce_maps.pyx", line 82, in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(sage/structure/coerce_maps.c:3344)
File "coerce_maps.pyx", line 77, in
sage.structure.coerce_maps.DefaultConvertMap_unique._call_
(sage/structure/coerce_maps.c:3247)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/categories/sets_cat.py",
line 309, in _element_constructor_from_element_class
return self.element_class(parent = self, *args, **keywords)
File
"/Applications/sage-5.0.beta3/local/lib/python/site-packages/sage/misc/classcall_metaclass.py",
line 278, in __call__
return type.__call__(cls, *args, **options)
TypeError: __init__() got multiple values for keyword argument 'parent'
On 2/19/12 1:15 PM, Florent Hivert wrote:
> Hi Anne,
>
>> Thanks! I do not understand how to use it though. If I inherit
>>
>> from sage.structure.list_clone import ClonableIntArray, ClonableElement
>>
>> and replace
>>
>> class LinearExtensionOfPoset(CombinatorialObject, Element):
>>
>> by
>>
>> class LinearExtensionOfPoset(ClonableIntArray, ClonableElement):
>>
>> and put
>>
>> ClonableIntArray.__init__(self, linear_extension)
>> ClonableElement.__init__(self, parent)
>
> Since ClonableIntArray inherits from ClonableElement you shouldn't write
> both. Just write
>
> class LinearExtensionOfPoset(ClonableIntArray):
>
> Also, you don't need to write an init if your constructor is just taking the
> parent and the list of the value.
>
> If you need some other parameters then write your init as
>
> def __init__(self, parent, linear_extension, other_params):
> ...
> ClonableIntArray.__init__(self, parent, linear_extension)
> ...
>
>
>> in my _init__ file, then I get a lot of error messages (whereas all tests
>> pass before the
>> change).
>>
>> Do I need to replace
>>
>> Element = LinearExtensionOfPoset
>>
>> as well by
>>
>> ClonableElement = LinearExtensionOfPoset?
>
> no !
>
> Element = LinearExtensionOfPoset
>
> is correct.
>
> Florent
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