def database(db):
"""Load ZODB database from Python module or FileStorage file"""
if type(db) is str:
# Database name
if db.endswith('.py'):
# Python source, exec it
globals = {}
execfile(db, globals)
if 'DB' in globals:
db = globals['DB']
else:
storage = globals['Storage']
from ZODB.DB import DB
db = DB(storage, cache_size=4000)
elif db.endswith(".fs"):
from ZODB.FileStorage import FileStorage
from ZODB.DB import DB
storage = FileStorage(db)
db = DB(storage, cache_size=4000)
# The following will fail unless the application has been configured.
from zope.event import notify
notify(zope.processlifetime.DatabaseOpened(db))
return db
