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caching can handle None

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Max Zwiessele 2014-02-27 08:39:49 +00:00
parent 37d341cec4
commit ebea658f5c
1 changed files with 7 additions and 6 deletions
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9
GPy/util/caching.py
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@ -12,16 +12,17 @@ class Cacher(object):
def __call__(self, *args): def __call__(self, *args):
if len(self.ignore_args) != 0: if len(self.ignore_args) != 0:
ca = [a for i,a in enumerate(args) if i not in self.ignore_args] ca = [a for i,a in enumerate(args) if i not in self.ignore_args]
else:
ca = args
# this makes sure we only add an observer once, and that None can be in args
cached_args = [] cached_args = []
for a in ca: for a in ca:
if not any(a is ai for ai in cached_args): if (not any(a is ai for ai in cached_args)) and a is not None:
cached_args.append(a) cached_args.append(a)
else:
cached_args = args
if not all([isinstance(arg, Observable) for arg in cached_args]): if not all([isinstance(arg, Observable) for arg in cached_args]):
return self.operation(*args) return self.operation(*args)
if cached_args in self.cached_inputs: if cached_args in self.cached_inputs:
i = self.cached_inputs.index(cached_args) i = self.cached_inputs.index(cached_args)
if self.inputs_changed[i]: if self.inputs_changed[i]: