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[copy] is now fully functional, only hierarchy observers will be copied and pickled

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mzwiessele 2014-05-23 11:11:21 +01:00
parent 96e1e13f7e
commit 3525e45b2f
9 changed files with 89 additions and 59 deletions
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45
GPy/core/parameterization/param.py
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@ -173,36 +173,6 @@ class Param(Parameterizable, ObsAr):
def _ensure_fixes(self):
if not self._has_fixes(): self._fixes_ = numpy.ones(self._realsize_, dtype=bool)
#===========================================================================
# parameterizable
#===========================================================================
def traverse(self, visit, *args, **kwargs):
"""
Traverse the hierarchy performing visit(self, *args, **kwargs) at every node passed by.
See "visitor pattern" in literature. This is implemented in pre-order fashion.
This will function will just call visit on self, as Param are leaf nodes.
"""
self.__visited = True
visit(self, *args, **kwargs)
self.__visited = False
def traverse_parents(self, visit, *args, **kwargs):
"""
Traverse the hierarchy upwards, visiting all parents and their children, except self.
See "visitor pattern" in literature. This is implemented in pre-order fashion.
Example:
parents = []
self.traverse_parents(parents.append)
print parents
"""
if self.has_parent():
self.__visited = True
self._parent_._traverse_parents(visit, *args, **kwargs)
self.__visited = False
#===========================================================================
# Convenience
#===========================================================================
@ -217,13 +187,24 @@ class Param(Parameterizable, ObsAr):
#===========================================================================
# Pickling and copying
#===========================================================================
def copy(self):
return Parameterizable.copy(self, which=self)
def __deepcopy__(self, memo):
s = self.__new__(self.__class__, name=self.name, input_array=self.view(numpy.ndarray).copy())
memo[id(self)] = s
memo[id(self)] = s
import copy
Pickleable.__setstate__(s, copy.deepcopy(self.__getstate__(), memo))
return s
def _setup_observers(self):
"""
Setup the default observers
1: pass through to parent, if present
"""
if self.has_parent():
self.add_observer(self._parent_, self._parent_._pass_through_notify_observers, -np.inf)
#===========================================================================
# Printing -> done
#===========================================================================