On a second thought, if I cache the method in B as well, when I call
the
(uncached) method in A the result will be cached in B, right?
So something like this will work:
sage: class A:
....: @cached_method
....: def foo(self):
....: print "A.foo"
....:
sage: class B(A):
....: @cached_method
....: def foo(self):
....: try:
....: # some computation that might fail
....: print("B.foo")
....: except:
....: A.foo.f(self)
Indeed, using this stuff for my conjugacy classes code as above I get
good timings:
sage: F = GF(5)
sage: gens = [matrix(F,2,[1,2, -1, 1]), matrix(F,2, [1,1, 0,1])]
sage: H = MatrixGroup(gens)
sage: h = H(matrix(F,2,[1,2, -1, 1]))
sage: C = ConjugacyClassGAP(H,h)
sage: time S = C.set()
Time: CPU 0.34 s, Wall: 0.35 s
sage: time S = C.set()
Time: CPU 0.00 s, Wall: 0.00 s
So it really looks like this solves my problem. Thanks again Simon!
Cheers,
Javier
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