Commit 572b2b22 authored by Jim Fulton's avatar Jim Fulton

*** empty log message ***

parent f41609d9
Zope Enterprise Objects (ZEO) Revision History
ZEO 1.0.0
Bugs Fixed
- A forgotten argument made it unreliable to start a ClientStorage
after the main loop has started.
ZEO 1.0.0 beta 1
ZEO 0.5.0
New Features
......@@ -27,6 +20,21 @@ Zope Enterprise Objects (ZEO) Revision History
wait for the pack results. This is handy when packing as part
of cron jobs.
- It is no longer necessary to symbolically link cPickle or
ZServer. ZServer is no longer necessary at all.
- A Zope-style INSTANCE_HOME and var directory are no longer
needed.
- If ZServer *is* available, the medusa monitor server can be
used in the storage server.
- An option, -d, was added to facilitate generation of a
detailed debug log while running in the background.
- The documentation has been simplified and spread over multiple
files in the doc subdirectory.
Bugs Fixed
- A possible (but unobserved) race condition that could
......@@ -51,6 +59,19 @@ Zope Enterprise Objects (ZEO) Revision History
no further write transactions would be allowed, even after
reconnection, and the site would eventually hang.
- A forgotten argument made it unreliable to start a ClientStorage
after the main loop has started.
- In combination with recent changes in zdeamon, startup errors
could cause infinite loops.
- The handling of the Python global, __debug__, was not
compatible with Python 2.1.
- If an exception raised on the server which could not be
unpickled on the client could cause the client connection to
fail.
Planned for (future) ZEO releases
New Features
......
##############################################################################
#
# Zope Public License (ZPL) Version 1.0
# -------------------------------------
#
# Copyright (c) Digital Creations. All rights reserved.
#
# This license has been certified as Open Source(tm).
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions in source code must retain the above copyright
# notice, this list of conditions, and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions, and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 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
# attribution remain. A significant investment has been put
# into Zope, and this effort will continue if the Zope community
# continues to grow. This is one way to assure that growth.
#
# 4. All advertising materials and documentation mentioning
# features derived from or use of this software must display
# the following acknowledgement:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# In the event that the product being advertised includes an
# intact Zope distribution (with copyright and license included)
# then this clause is waived.
#
# 5. Names associated with Zope or Digital Creations must not be used to
# endorse or promote products derived from this software without
# prior written permission from Digital Creations.
#
# 6. Modified redistributions of any form whatsoever must retain
# the following acknowledgment:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# Intact (re-)distributions of any official Zope release do not
# require an external acknowledgement.
#
# 7. Modifications are encouraged but must be packaged separately as
# patches to official Zope releases. Distributions that do not
# clearly separate the patches from the original work must be clearly
# labeled as unofficial distributions. Modifications which do not
# carry the name Zope may be packaged in any form, as long as they
# conform to all of the clauses above.
#
#
# Disclaimer
#
# THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
# This software consists of contributions made by Digital Creations and
# many individuals on behalf of Digital Creations. Specific
# attributions are listed in the accompanying credits file.
#
##############################################################################
"""ZEO depends on recent versions of asyncore and cPickle
Try to fix up the imports of these to make these dependencies work,
localizing the hacks^H^H^H^H^Hchanges here.
"""
import sys
# if we are using an old version of Python, our asyncore is likely to
# be out of date. If ZServer is sitting around, we can get a current
# version of ayncore from it. In any case, if we are going to be used
# with Zope, it's important to use the version from Zope.
try:
from ZServer.medusa import asyncore
except:
# Try a little harder to import ZServer
import os, imp
try: m=imp.find_module('ZServer', ['.'])
except:
try: m=imp.find_module('ZServer', [os.path.join('..','..')])
except:
import asyncore
else:
sys.path.append(os.path.join('..','..'))
from ZServer.medusa import asyncore
else:
sys.path.append('.')
from ZServer.medusa import asyncore
if sys.version[:1] < '2' and asyncore.loop.func_code.co_argcount < 3:
raise ImportError, 'Cannot import an up-to-date asyncore'
sys.modules['ZEO.asyncore']=asyncore
# We need a recent version of cPickle too.
if sys.version[:3] < '1.6':
try:
from ZODB import cPickle
sys.modules['ZEO.cPickle']=cPickle
except:
# Try a little harder
import cPickle
else:
import cPickle
import cStringIO
p=cPickle.Pickler(cStringIO.StringIO(),1)
try:
p.fast=1
except:
raise ImportError, 'Cannot import an up-to-date cPickle'
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