23 lines
404 B
Python
23 lines
404 B
Python
import pickle
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def init():
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pass
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def destroy():
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pass
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def start():
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return pickle.dumps(0)
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def finish(buf):
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count = pickle.loads(buf)
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return count
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def reduce(datablock, buf):
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(rows, cols) = datablock.shape()
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count = pickle.loads(buf)
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for i in range(rows):
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val = datablock.data(i, 0)
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if val is not None:
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count += 1
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return pickle.dumps(count) |