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Duplicate migration numbers not allowed, bro

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This commit is contained in:
Christopher Allan Webber 2011-07-13 22:32:51 -05:00
parent ecf518020f
commit 59051a23f0
1 changed files with 2 additions and 0 deletions
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2
mediagoblin/db/util.py
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@ -140,6 +140,8 @@ class RegisterMigration(object):
"""
def __init__(self, migration_number, migration_registry=MIGRATIONS):
assert migration_number > 0, "Migration number must be > 0!"
assert not migration_registry.has_key(migration_number), \
"Duplicate migration numbers detected! That's not allowed!"
self.migration_number = migration_number
self.migration_registry = migration_registry