Delete versions of deleted objects.

delete_versions.py

# setup dummy request
from Testing.makerequest import makerequest
app=makerequest(app)

plone = app.unrestrictedTraverse('/Plone')

# get user context of portal owner
from AccessControl.SecurityManagement import newSecurityManager
user = plone.getOwner()
newSecurityManager(app, user)

# set site
from zope.app.component.hooks import setSite
setSite(plone)

# setup skin
plone.setupCurrentSkin(plone.REQUEST)

from BTrees.OOBTree import OOBTree
from Products.CMFEditions.utilities import dereference

hstorage = plone.portal_historiesstorage
zvc_repo = hstorage._getZVCRepo()
shadow_storage = hstorage._getShadowStorage()._storage

stats = hstorage.zmi_getStorageStatistics()
print stats['summaries']

for hinfo in stats['deleted']:
    hid = hinfo['history_id']
    history = hstorage._getShadowHistory(hid)
    
    for zvc_key in set([hstorage._getZVCAccessInfo(hid, selector, True)[0] for selector in history._available]):
        version_history = zvc_repo._histories.get(zvc_key, None)
        if version_history:
            version_history._versions = OOBTree()
    
    shadow_storage.pop(hid, None)
    
    obj = dereference(history_id=hid, zodb_hook=plone)[0]
    if obj and shasattr(obj, 'version_id'):
        delattr(obj, 'version_id')