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WillKoehrsen/customer_id_to_hash.py

Last active September 26, 2018 16:33
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customer_id_to_hash.py
import hashlib
N_PARTITIONS = 1000
def id_to_hash(customer_id):
"""Return a 16-bit integer hash of a customer id string"""
customer_hash = int(hashlib.md5(customer_id).hexdigest(), 16)
partition = customer_hash % N_PARTITIONS
return partition
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