Hi Justin,

I reworked some of functions pace details in that timeframe. It looks like I broke something. I'll try and get to it tomorrow, otherwise I'm away for a week, so will open an issue to track it. 

Lawrence

On 28 Jul 2016, at 20:54, Justin Chang <jychang48@gmail.com> wrote:

Hi all,

Last year (~8 months ago) the following worked:

mesh = UnitSquareMesh(10,10)

V = VectorFunctionSpace(mesh, "CG", 1)

P = FunctionSpace(mesh, "CG", 1)

W = V*Q

bc1 = DirichletBC(W.sub(0).sub(0), Expression("cos(pi*x[0])*sin(pi*x[1])"), (1,2))

Today, I get these errors:

Traceback (most recent call last):
  File "Darcy_LS.py", line 32, in <module>
    bc1 = DirichletBC(W.sub(0).sub(0), Expression("cos(pi*x[0])*sin(pi*x[1])"), (1,2))
  File "/Users/jychang48/Software/firedrake/src/firedrake/firedrake/bcs.py", line 54, in __init__
    self.function_arg = g
  File "/Users/jychang48/Software/firedrake/src/firedrake/firedrake/bcs.py", line 100, in function_arg
    g = function.Function(self._function_space).interpolate(g)
  File "/Users/jychang48/Software/firedrake/src/firedrake/firedrake/function.py", line 243, in __init__
    val=val, name=name, dtype=dtype)
  File "/Users/jychang48/Software/firedrake/src/firedrake/firedrake/function.py", line 79, in __init__
    self.dat = function_space.make_dat(val, dtype, self.name(), uid=self.uid)
  File "/Users/jychang48/Software/firedrake/src/firedrake/firedrake/functionspaceimpl.py", line 798, in make_dat
    raise ValueError("Can't build Function on %s function space" % self.typ)
AttributeError: 'ProxyFunctionSpace' object has no attribute 'typ'

What's going on, and how do I work around this? Also, is it suppose to say 'self.type' instead of 'self.typ'?

Thanks,

Justin

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