def __init__(self, desc):
from histbook import Hist
# hist_descriptor is what is produced by HBHistogramCompiler.descriptor()
self.H = Hist.fromjson(desc["historgam"])
self.Mapping = desc["mapping"] # maps historgam input name to stream name
self.Constants = desc["constants"]
self.Inputs = set(self.Mapping.keys())
self.T = None
def add(self, dump):
from histbook import Hist
# dump is what is returned by HBHistogramCollector.dump
h = Hist.fromjson(json.loads(dump))
#print "HBHistogramAggregator.add: delta content: %s" % (h._content,)
self.H += h