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erwan-lemonnier/data-migration.py

Last active November 28, 2020 03:36
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data migration
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data-migration.py
class Message():
def normalize(self):
# If message lacks a 'likes' counter, initialize one
if not hasattr(self, 'count_likes'):
self.count_likes = 0
# Each time you are fetching a message from datastore, do
# something like:
msg = fetch_from_database(message_id)
msg.normalize()
msg.save()
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