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include callback, now we can save .csv each observation #100

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include callback, now we can save .csv each observation #100

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11 changes: 10 additions & 1 deletion bayes_opt/bayesian_optimization.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@

class BayesianOptimization(object):

def __init__(self, f, pbounds, random_state=None, verbose=1):
def __init__(self, f, pbounds, random_state=None, verbose=1, callbacks=None):
"""
:param f:
Function to be maximized.
Expand Down Expand Up @@ -71,6 +71,12 @@ def __init__(self, f, pbounds, random_state=None, verbose=1):
# Verbose
self.verbose = verbose

# Callback
if(callbacks is None):
self.callbacks = []
else:
self.callbacks = callbacks

def init(self, init_points):
"""
Initialization method to kick start the optimization process. It is a
Expand Down Expand Up @@ -104,6 +110,9 @@ def _observe_point(self, x):
y = self.space.observe_point(x)
if self.verbose:
self.plog.print_step(x, y)
# Callback
for c in self.callbacks:
c()
return y

def explore(self, points_dict, eager=False):
Expand Down