lbry-sdk/lbrynet/db_migrator/dbmigrator.py

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import logging
def migrate_db(db_dir, start, end):
current = start
while current < end:
if current == 1:
from lbrynet.db_migrator.migrate1to2 import do_migration
do_migration(db_dir)
else:
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raise Exception(
"DB migration of version {} to {} is not available".format(current, current+1))
current += 1
return None
def run_migration_script():
import sys
log_format = "(%(asctime)s)[%(filename)s:%(lineno)s] %(funcName)s(): %(message)s"
logging.basicConfig(level=logging.DEBUG, format=log_format, filename="migrator.log")
sys.stdout = open("migrator.out.log", 'w')
sys.stderr = open("migrator.err.log", 'w')
migrate_db(sys.argv[1], int(sys.argv[2]), int(sys.argv[3]))
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if __name__ == "__main__":
run_migration_script()