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

*** empty log message ***

parent f41609d9
Zope Enterprise Objects (ZEO) Revision History Zope Enterprise Objects (ZEO) Revision History
ZEO 1.0.0 ZEO 0.5.0
Bugs Fixed
- A forgotten argument made it unreliable to start a ClientStorage
after the main loop has started.
ZEO 1.0.0 beta 1
New Features New Features
...@@ -27,6 +20,21 @@ Zope Enterprise Objects (ZEO) Revision History ...@@ -27,6 +20,21 @@ Zope Enterprise Objects (ZEO) Revision History
wait for the pack results. This is handy when packing as part wait for the pack results. This is handy when packing as part
of cron jobs. 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 Bugs Fixed
- A possible (but unobserved) race condition that could - A possible (but unobserved) race condition that could
...@@ -51,6 +59,19 @@ Zope Enterprise Objects (ZEO) Revision History ...@@ -51,6 +59,19 @@ Zope Enterprise Objects (ZEO) Revision History
no further write transactions would be allowed, even after no further write transactions would be allowed, even after
reconnection, and the site would eventually hang. 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 Planned for (future) ZEO releases
New Features New Features
......
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"""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# be out of date.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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