I don't see many posts about the @parallel decorator, but I'm having
a problem that I would think would be pretty common. I want to
decorate a function that performs some action with an instantiated
class and returns the results of that class method, but when I try
to execute the generator returned from the decorated function, I get
an
error that the 'global' class cannot be found.
Here's an example:
class foo():
def do_something(self, myargs):
return myargs
@parallel()
def f(N):
a = foo()
return a.do_something(N)
g=f([1,2,3,4])
list(g)
---------------------------------------------------------------------------
NameError Traceback (most recent call
last)
/home/jlh/<ipython console> in <module>()
/usr/local/sage-3.4.1/local/lib/python2.5/site-packages/sage/parallel/
multiprocessing.pyc in parallel_iter(processes, f, inputs)
/usr/local/sage-3.4.1/local/lib/python2.5/site-packages/processing/
pool.pyc in next(self, timeout)
NameError: global name 'foo' is not defined
sage:
So anyway, the only examples I've found of sage + @parallel use
functions that
don't instantiate a user class. They just use like def f(N): return
N^2 and so on.
Thanks for any pointers to docs or examples that might help me use
this decorator.
Thanks,
J
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