[schooltool-dev] Deleting objects with ZEO

[Will Dickerson]

I am using a ZEO client with schooltool for use with my SIF Pull Agent. I'm
using a simple dictionary as a queue in the ZODB, however when I attempt to
delete items from the dictionary, the object inside of the database remains
unchanged. Is there an extra step besides transaction.commit()?

   >>> queue =3D openDb()['queue']
   >>> queue
   {'Hamburger': 'Foobar'}
   >>> queue.clear()
   >>> queue
   {}
   >>> transaction.commit()
   >>> closeDb()
   >>> queue =3D openDb()['queue']
   >>> queue
   {'Hamburger': 'Foobar'}

The following is how I open and close the database in the real application.

from ZODB import DB
from ZEO import ClientStorage

def openDb(self):
    storage =3D ClientStorage.ClientStorage(self.conf['dbName'])
    db =3D DB(storage)

    # open cursor and get root
    self.cx =3D db.open()
    self.dbroot =3D self.cx.root()

    stRoot =3D self.dbroot.setdefault('stAgent', {})
    stRoot.setdefault('queue', {})


def closeDb(self):
    self.cx.close()
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