dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Wed, Apr 22, 2009 at 11:16:18AM +0200, Ali Mesforush wrote:
> Anders Logg wrote:
>> On Wed, Apr 22, 2009 at 09:57:55AM +0200, Ali Mesforush wrote:
>>   
>>> Hello
>>> I installed fenics on my ubuntu 8.10. It worked good for 3 days, but  
>>> today when I tried to run demo.py I got
>>>
>>> ali@ali-laptop:~/Desktop/Python$ python demo.py
>>> Traceback (most recent call last):
>>>  File "demo.py", line 1, in <module>
>>>    from dolfin import *
>>>  File "/usr/lib/python2.5/site-packages/dolfin/__init__.py", line 21, 
>>> in <module>
>>>    from ffc import *
>>>  File "/usr/lib/python2.5/site-packages/ffc/__init__.py", line 23, in 
>>> <module>
>>>    from ffc.compiler.uflcompiler import compile as compile_ufl
>>>  File "/usr/lib/python2.5/site-packages/ffc/compiler/uflcompiler.py", 
>>> line 30, in <module>
>>>    from ufl.algorithms import validate_form,  
>>> extract_max_quadrature_element_degree, estimate_max_polynomial_degree
>>> ImportError: cannot import name extract_max_quadrature_element_degree
>>> ali@ali-laptop:~/Desktop/Python$
>>>
>>> What is thid and how can I solve it?
>>> Regards
>>> /Ali
>>>     
>>
>> You must have updated one or more of your packages.
>>
>> Looks like you have updated FFC (but not UFL) and not to the latest
>> version. The file uflcompiler.py is not there in the latest hg
>> version.
>>
>> If you want a working installation, stay on the stable version for a
>> couple of more days. DOLFIN is currently broken as part of the
>> transition to UFL.
>>
>>    
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> FFC-dev mailing list
>> FFC-dev@xxxxxxxxxx
>> http://www.fenics.org/mailman/listinfo/ffc-dev
>>   
>
>
>
> How can I back to the stable version?

You can use Dorsal to do that.

-- 
Anders

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