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19 lines
723 B
Python
19 lines
723 B
Python
"""Pack a Modelling Run's resolved properties into SQS-message-sized batches.
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Batches stay postcode-grouped — properties sharing a postcode ride the same
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message so the workers' prediction cohort cache keeps paying (ADR-0055), the
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same packing the trigger script has been running.
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"""
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from backend.app.modelling.property_filters import FilteredProperty
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BATCH_SIZE = 50
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def pack_postcode_batches(
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properties: list[FilteredProperty], batch_size: int = BATCH_SIZE
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) -> list[list[FilteredProperty]]:
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"""Pack *properties* into batches of ~*batch_size*, never splitting a
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postcode across batches. A single postcode larger than *batch_size*
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becomes its own oversized batch."""
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raise NotImplementedError
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