getting rid of ZODB 2

lib/python/Main.py

-##############################################################################
-# 
-# Zope Public License (ZPL) Version 1.0
-# -------------------------------------
-# 
-# Copyright (c) Digital Creations.  All rights reserved.
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-# 3. Digital Creations requests that attribution be given to Zope
-#    in any manner possible. Zope includes a "Powered by Zope"
-#    button that is installed by default. While it is not a license
-#    violation to remove this button, it is requested that the
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-#      "This product includes software developed by Digital Creations
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-# This software consists of contributions made by Digital Creations and
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-# attributions are listed in the accompanying credits file.
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-##############################################################################
-"""Provide a Main application for the Zope framework
-
-The Job of this module is to:
-
- - Configure and open the database
-
- - Establish the top-level object for ZPublisher
-
- - Perform very high-level configuration tasks
-
-"""
-
-# We import BoboPOS before importing any other application
-# modules.  This is needed to assure that the right
-# versions of Persistent etc get registered.
-from BoboPOS import SimpleDB, TJar, SingleThreadedTransaction
-
-import sys, os, string, Globals, OFS.Application
-Globals.BobobaseName = '%s/Data.bbb' % Globals.data_dir
-Globals.DatabaseVersion='2'
-
-# Setup support for broken objects:
-import OFS.Uninstalled, BoboPOS.PickleJar
-BoboPOS.PickleJar.PickleJar.Broken=OFS.Uninstalled.Broken
-
-# Open the application database
-OFS.Application.import_products()
-revision=read_only=None
-if os.environ.has_key('ZOPE_READ_ONLY'):
-    read_only=1
-    try: revision=DateTime(os.environ['ZOPE_READ_ONLY']).timeTime()
-    except: pass
-        
-Bobobase=Globals.Bobobase=BoboPOS.PickleDictionary(
-    Globals.BobobaseName, read_only=read_only, revision=revision)
-Globals.opened.append(Bobobase)
-VersionBase=Globals.VersionBase=TJar.TM(Bobobase)
-Globals.opened.append(VersionBase)
-
-try: app=Bobobase['Application']
-except KeyError:
-    app=OFS.Application.Application()
-    Bobobase['Application']=app
-    get_transaction().note('created Application object')
-    get_transaction().commit()
-
-bobo_application=app
-
-OFS.Application.initialize(app)
-
-if os.environ.has_key('ZOPE_DATABASE_QUOTA'):
-    quota=string.atoi(os.environ['ZOPE_DATABASE_QUOTA'])
-    Bobobase._jar.db.set_quota(
-        lambda x, quota=quota, otherdb=VersionBase.TDB:
-        x + otherdb.pos > quota)
-    VersionBase.TDB.set_quota(
-        lambda x, quota=quota, otherdb=Bobobase._jar.db:
-        x + otherdb.pos > quota)
-
-SingleThreadedTransaction.Transaction.commit=VersionBase.committer()
-
-__bobo_debug_mode__=Globals.DevelopmentMode