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# -*- test-case-name: axiom.test.test_upgrading.SchemaUpgradeTest.testUpgradeWithMissingVersion -*-
from axiom.item import Item
from axiom.attributes import text, integer, reference, inmemory
from axiom.upgrade import registerUpgrader
class ActivateHelper:
activated = 0
def activate(self):
self.activated += 1
class Adventurer(ActivateHelper, Item):
typeName = 'test_app_player'
schemaVersion = 2
name = text()
activated = inmemory()
class InventoryEntry(ActivateHelper, Item):
typeName = 'test_app_inv'
schemaVersion = 1
owner = reference()
owned = reference()
activated = inmemory()
class Sword(ActivateHelper, Item):
typeName = 'test_app_sword'
schemaVersion = 3
name = text()
damagePerHit = integer()
activated = inmemory()
def owner():
def get(self):
return self.store.findUnique(InventoryEntry,
InventoryEntry.owned == self).owner
return get,
owner = property(*owner())
def sword2to3(oldsword):
newsword = oldsword.upgradeVersion('test_app_sword', 2, 3)
n = oldsword.store.getOldVersionOf('test_app_sword', 2)
itrbl = oldsword.store.query(n)
newsword.name = oldsword.name
newsword.damagePerHit = oldsword.damagePerHit
invent = InventoryEntry(store=newsword.store,
owner=oldsword.owner,
owned=newsword)
return newsword
registerUpgrader(sword2to3, 'test_app_sword', 2, 3)
# ...
# deliberately missing upgraders for faulty upgrade path tests: see
# morenewapp.py for multi-step upgrades.
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