forked from M-Labs/artiq
worker_db: Only warn on repeated archive read if dataset changed
In larger experiments, it is quite natural for the same dataset to be read from multiple unrelated components. The only situation where multiple reads from an archived dataset are problematic is when the valeu actually changes between reads. Hence, this commit restricts the warning to the latter situation.
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@ -227,9 +227,9 @@ class DatasetManager:
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else:
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data = self.ddb.get(key)
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if archive:
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if key in self.archive:
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logger.warning("Dataset '%s' is already in archive, "
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"overwriting", key, stack_info=True)
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if self.archive.get(key, data) != data:
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logger.warning("Older value of dataset '%s' is already in "
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"archive, overwriting", key, stack_info=True)
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self.archive[key] = data
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return data
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