[firedrake] Locally installed FFC not found on ARCHER

[Andrew McRae]

Why are we installing FFC in the first place?  Is it just because there are
some C files (which we don't use) that need compiling?
On 29 Jan 2015 11:43, "Rathgeber, Florian" <florian.rathgeber at imperial.ac.uk>
wrote:

> Eike, I have fixed this, so you should be able to remove your hack.
>
> For reference: the problem is the following file:
> /work/y07/y07/fdrake/ffc/lib/python2.7/site-packages/easy-install.pth
>
> This file is (re)created *every time* the FFC installation is updated
> since FFC uses the setuptools egg installation. Due to a setuptools
> "feature" all the eggs contained in this file are *prepended* to
> sys.path and end up *before* anything in PYTHONPATH and there is
> *nothing* you can do to prevent this. The only fix is to edit this .pth
> file and remove or comment the offending lines (first and last).
>
> What we might be able to do is not actually install FFC but point the
> module at the source try and build the extension modules in place.
> Thoughts?
>
> On 29/01/15 11:25, Eike Mueller wrote:
> > Hi Lawrence,
> >
> > ok, adding
> >
> > import sys
> >
> sys.path.remove('/work/y07/y07/fdrake/ffc/lib/python2.7/site-packages/FFC-1.4.0_-py2.7-linux-x86_64.egg')
> >
> >
> > at the top of firedrake/__init__.py seems to fix it for me.
> >
> > Thanks,
> >
> > Eike
> >
> >
> > On 29/01/15 10:37, Lawrence Mitchell wrote:
> > On 29/01/15 10:23, Eike Mueller wrote:
> >>>> Dear firedrakers,
> >>>>
> >>>> I need to install my own version of FFC, since the one already
> >>>> installed in /work/y07/y07/fdrake appears not to be compatible with
> >>>> the firedrake version I use:
> >>>>
> >>>> RuntimeError: Incompatible Firedrake version 0.12.0 and FFC
> >>>> version unknown.
> >>>>
> >>>> So I installed FFC locally and added it to PYTHONPATH:
> >>>>
> >>>>
> /work/n02/n02/eike//git_workspace//firedrake-helmholtzsolver/source:/work/n02/n02/eike//git_workspace//firedrake-bench:/work/n02/n02/eike//git_workspace//pybench:/work/n02/n02/eike//git_workspace//firedrake:/work/n02/n02/eike//git_workspace//PyOP2:/work/n02/n02/eike//git_workspace//petsc4py/cray-gnu-shared/lib/python2.7/site-packages/:/work/n02/n02/eike//git_workspace//COFFEE/build/lib:/work/n02/n02/eike//git_workspace//ffc/build/lib.linux-x86_64-2.7/:/work/n02/n02/eike//Library:/work/y07/y07/fdrake/ufl/lib/python2.7/site-packages:/work/y07/y07/fdrake/scientificpython/lib/python2.7/site-packages:/work/y07/y07/fdrake/psutil/lib/python2.7/site-packages:/work/y07/y07/fdrake/mpi4py/lib/python2.7/site-packages:/work/y07/y07/fdrake/instant/lib/python2.7/site-packages:/work/y07/y07/fdrake/fiat/lib/python2.7/site-packages:/work/y07/y07/fdrake/ffc/lib/python2.7/site-packages:/work/y07/y07/fdrake/decorator-3.4.0/lib/python2.7/site-packages:/work/y07/y07/fdrake/petsc/arch-linux2-cxx-opt/lib
> /p
> >>>>
> >> y
> > th
> >>>>
> >>>>
> >>>>
> on2.7/site-packages:/work/y07/y07/cse/anaconda/1.9.2/lib/python2.7/site-packages:/work/y07/y07/cse/anaconda/1.9.2/lib/python2.7:/usr/local/packages/cse/bolt/0.6/modules
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> However, in python, the /work/y07/y07/fdrake version comes *first*,
> >>>> so it always picked up when I import ffc and I keep getting the
> >>>> error message above:
> >
> > This looks like the standard easy_install disaster.  I never know how
> > to fix this unfortunately.
> >
> > Lawrence
>
>
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