[Tim Peters]
>> What I seem to be missing entirely here is why Zope ships Prefix
>> instances at the base ZEO msg level to begin with; maybe it's to call
>> some method I misunderstand (or haven't even bumped into yet <0.6
>> wink>).
[Shane Hathaway]
> When you want to undo something, Zope asks th
On Thu, Apr 28, 2005 at 02:45:52PM -0400, Tim Peters wrote:
> Excellent! Thank you for trying it. Note that your older server still
> contains the older implementation of Prefix, so its comparison function
> makes no use of the .path attribute your newer client creates; i.e., with
> the combo, y
Tim Peters wrote:
> What I seem to be missing entirely here is why Zope ships Prefix instances
> at the base ZEO msg level to begin with; maybe it's to call some method I
> misunderstand (or haven't even bumped into yet <0.6 wink>).
When you want to undo something, Zope asks the ZEO server for a l
[blast from the past -- April 15]
[Tim Peters]
>> ... I'd reserve intense dislike for, e.g., __no_side_effects__
>> (remember that one?).
[Paul Winkler]
> Yes, I found it recently when I fixed a bug in ZopeUndo/Prefix.py. Does
> anything actually rely on that attribute, and what for? The only ch
[Tim Peters]
>> ...
>> You might want to try that (by temporarily installing ZODB 3.2.8 on
>> a client) to verify that your scenario does in fact work for you now.
[Paul Winkler]
> I just downloaded 3.2.8 and copied Prefix.py into my Zope 2.7.6-b2
> installation. Seems to work fine!
Excellent! T
On Thu, Apr 28, 2005 at 02:00:49PM -0400, Tim Peters wrote:
> "his" combo with a preliminary patch. You might want to try that (by
> temporarily installing ZODB 3.2.8 on a client) to verify that your scenario
> does in fact work for you now.
I just downloaded 3.2.8 and copied Prefix.py into my Zo
[Tim Peters]
>> Neither did I, Paul -- I don't know ZopeUndo from a hole in the ground.
>> It _might_ have helped if you had added an entry to ZODB's news file
>> recording that ZopeUndo.Prefix had changed.
>> ...
[Paul Winkler]
> Yeah, but I don't know ZODB's news file from shinola ;-) I've never
Hello,
Is there any way to forcibly remove something from the cache on client-side
(when using Zeo) ? And, conversely, is there anyway to always keep something
in the cache, between restarts of my PyQt application ? I think its called a
persistent cache ?
Rajeev J Sebastian
_
Rajeev J Sebastian wrote:
...
What I also need, is a way to know which objects have changed,
without having to maintain copies: the reason is to show those
changes to the user in my (long-running) PyQt window.
As I mentioned before, ZODB doesn't provide a mechanism for
this. I would like it to fo
> I assume Rajeev doesn't really want to call sync() automatically, because
> that's never what anyone asking that question really wants. What they
> invariably _want_ is for ZEO to process invalidations by magic, and they've
> been calling sync() manually as a way to get that to happen.
What I
Hello,
I have written a script for undoing some transactions in a database.
The problem is that for each transaction I want to undo, I have to add
a new one (because of the commit for undoing) and it is very slow.
Moreover, the size of the database grows quickly, which is a bad
point.
I have trie
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