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| JoaoJoao | hello | 03:21 |
|---|---|---|
| JoaoJoao | is there a way for me to tell how an object's default id will look like? | 03:23 |
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| newpers | I don't check the site too much, does http://www.zope.org/Wikis/DevSite/Projects/ComponentArchitecture/RoadMap need updating? | 04:24 |
| newpers | in regards to zope 3.2 | 04:26 |
| srichter | probably | 04:32 |
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| zagy | moin | 08:45 |
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| mgedmin | hi, folks | 13:21 |
| mgedmin | svn: Berkeley DB error while opening 'revisions' table for filesystem /svn/repos/main/db: | 13:21 |
| mgedmin | Cannot allocate memory | 13:21 |
| mgedmin | while Fetching external item into 'Zope3/zpkgsetup' | 13:21 |
| mgedmin | time for somebody to put on a sysadmin hat? | 13:21 |
| philiKON | mgedmin, yeah, J1m :) | 13:31 |
| mgedmin | when will you switch to subversion's fsfs backend? | 13:31 |
| philiKON | "you" ? | 13:31 |
| mgedmin | as in "you Zope 3 folks" | 13:31 |
| philiKON | ;) | 13:31 |
| philiKON | i guess when some volunteer of the zope foundation will take over maintenance of svn.zope.org | 13:32 |
| philiKON | note the future tense ;) | 13:32 |
| mgedmin | I can tell you a scary story about how bsddb completely ate the subversion repository that I used for storing my home directory backups | 13:32 |
| philiKON | heh, i believe you | 13:33 |
| philiKON | i've been using the fsfs backend for some time now as well | 13:33 |
| philiKON | and feel comfortable, especially with the ability to incrementally backup | 13:33 |
| philiKON | mgedmin, actually, it's not a BDB problem, I think | 13:33 |
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| philiKON | mgedmin, svn upping svn+ssh:// urls works | 13:33 |
| philiKON | mgedmin, it's the svn:// urls that don't work | 13:33 |
| philiKON | viewcvs also does work | 13:34 |
| philiKON | so it seems like it's a problem of svnserve | 13:34 |
| philiKON | "Cannot allocate memory" != corruption of bdb | 13:34 |
| mgedmin | hmm | 13:35 |
| mgedmin | well, it explicitly said "Berkeley DB error", so I just believed it | 13:36 |
| philiKON | that could just mean that it's somewhere int he bdb backend... | 13:37 |
| philiKON | dunno | 13:37 |
| philiKON | i used to be more familiar with the svn source code back when i contributed to it... | 13:38 |
| mgedmin | I had some fun wih svn's source code when I was debugging my problem -- http://subversion.tigris.org/issues/show_bug.cgi?id=2430 | 13:41 |
| philiKON | nice | 13:47 |
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| roym | Is there an implementation of ISessionDataContainer that doesn't persist to ZODB? Both PersistentSessionDataContainer and RAMSessionDataContainer seem to use the ZODB. | 14:26 |
| philiKON | roym, i don't think there is, but you could probably easily write one that uses a tmpdir | 14:27 |
| philiKON | roym, though you'd have to make sure you get it right in the threaded environment... | 14:28 |
| philiKON | and with transactions and such | 14:28 |
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| roym | What confuses me is with a name like 'RAMSessionDataContainer', one would expect it to NOT persist to disk. What might the rationale be to use disk. | 14:30 |
| philiKON | not sure. i'm surprised too. maybe there isn't a decent way to keep data in ram over several requests | 14:33 |
| philiKON | that works well with threads and all | 14:33 |
| philiKON | i guess it could use a memorystorage or whatever it's called | 14:33 |
| philiKON | a kind of zodb storage | 14:33 |
| philiKON | maybe it does that? | 14:33 |
| roym | Could it be that this is the only way to allow ZEO to use storage? It uses MappingStorage (which is persistent to disk, isn't it?) | 14:38 |
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| philiKON | roym, ah yeah | 14:46 |
| philiKON | roym, that's it... zeo :) | 14:46 |
| roym | philiKON: thanks for confirming. | 14:47 |
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| andres | Some time ago i asked how i could realize this: A content object has an attribute ref which directs to another object. I want to do /object1/ref in order to reach this. I got the advice to implement ITraversable which didnt work, i had to implement IPublishTraverse (Im saying this just to explain the situation, not to blame someone). So, now i have the problem, that i want to do object/reflist/1. Currently reflist is an array (a join out of a databas | 15:12 |
| andres | e). So, how could i realize that? Because i cant see how to register an adapter for that. What ways do you see to implement that? | 15:12 |
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| jhauser_ | but if obj1 does implement IPublishTraverse it can lookup the parameters in the request and generate the requested object | 15:47 |
| jhauser_ | but it seems that reflist is an implementation detail | 15:48 |
| jhauser_ | are there different reflists? | 15:48 |
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| andres | jhauser_, yes. | 16:09 |
| andres | On some content objects there are (This is something i need in 20+ different classes) multiple. | 16:09 |
| andres | those "reflist" are joins and a ref is a foreign key. | 16:11 |
| jhauser_ | ok, but then you have both informations, reflist and ref from the request object | 16:12 |
| jhauser_ | I think your problem might be to stop traversing there | 16:13 |
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| roym | How would I detect a session timeout? Is there an event for this? Any examples in the codebase? | 16:15 |
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| andres | jhauser_, yes, it is. | 16:20 |
| efge | anyone from Zope Corp here ? subversion is broken... | 16:21 |
| agroszer | efge: philikon said at 12:30 that svn+ssh is working | 16:25 |
| efge | agroszer: well now I have bdb errors, with svn+ssh://svn.zope.org/repos/main/Zope/branches/2.9 | 16:26 |
| agroszer | hoped that'll help... | 16:26 |
| jhauser_ | ah andres: have you tried to modify the request in the publishTraverse method? | 16:30 |
| jhauser_ | that's how I would do in in z2 | 16:30 |
| andres | jhauser_, i will do that now, but i still dont like that... Its not that clean. | 16:31 |
| philiKON | reuqest doesn't have to be modified | 16:31 |
| jhauser_ | now comes the clean way :-) | 16:31 |
| philiKON | IPublishTraverse is indeed the right iface, i think | 16:31 |
| philiKON | sorry to have mislead you | 16:31 |
| philiKON | ITraversable is for stuff like TALES traversal | 16:31 |
| philiKON | so, first, you don't have to implement it on the object, it can be an adapter ;) | 16:32 |
| philiKON | but it's your choice | 16:32 |
| philiKON | and what's wrong with further adapting 'reflist' to IPublishTraverse to get to obj/reflist/1 ? | 16:32 |
| jhauser_ | reflist is a list and not an object | 16:32 |
| jhauser_ | and there should be a way to stop traversing somewhere | 16:33 |
| philiKON | lists are objects | 16:33 |
| philiKON | but that's not the point | 16:33 |
| philiKON | who says that obj/reflist as a traversal actually has to yield the list object | 16:34 |
| philiKON | it could yield some surrogate that knows how to get valuese from the real list when it's traversed | 16:34 |
| jhauser_ | right you can do this | 16:34 |
| jhauser_ | but nevertheless I think it would be a hinderance | 16:34 |
| jhauser_ | first you generate a chain of objects, than you dissect them to get the parameters | 16:35 |
| jhauser_ | obj ist the publisher | 16:35 |
| jhauser_ | or controller one could say | 16:36 |
| philiKON | yes, the traverser can be told to further neglect entries | 16:36 |
| philiKON | if the current traverser already took them into account | 16:36 |
| philiKON | e.g. we're traversing 'object/reflist/1' | 16:36 |
| philiKON | the traverser for 'object' also takes into account the items following it: 'reflist', '1' | 16:37 |
| philiKON | so it deletes them from the traversal stack | 16:37 |
| philiKON | voila | 16:37 |
| jhauser_ | question is how to delete from the traversal stack | 16:37 |
| andres | so, i have to implement my own traverser, right? | 16:37 |
| jhauser_ | isn't the stack part of the request? | 16:38 |
| philiKON | it used to in z2 | 16:38 |
| philiKON | not in z3 | 16:38 |
| philiKON | b/c the request should be read only | 16:38 |
| jhauser_ | which I mean with change the request | 16:38 |
| philiKON | ITraversable.traverse(name, furtherPath) | 16:38 |
| jhauser_ | ah fine | 16:39 |
| philiKON | hmm, not too fine | 16:39 |
| andres | philiKON, ITraversable? | 16:39 |
| philiKON | IPublishTraverse doesn't support this | 16:39 |
| andres | philiKON, this confused me too. | 16:41 |
| jhauser_ | but the ITraverse-Adapter of the result object could implement this | 16:41 |
| * philiKON still thinks that mock objects along the traversal path would be the easiest | 16:42 | |
| andres | philiKON, its the easiest, but not the nicest way ;-) | 16:43 |
| philiKON | i think it's nicer than fiddling with some traversal stack | 16:43 |
| jhauser_ | hm traversing to the end, than asking all the parents for the values, then generating a result, which could already be created by obj | 16:44 |
| jhauser_ | I think it's enough if the result object implements traverse and eats it | 16:46 |
| jhauser_ | eats the stack | 16:46 |
| philiKON | yeh | 16:46 |
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| efge | (svn works again thx) | 16:47 |
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| andres | jhauser_, it works now, thanks for your help... (got it working in 5 minutes. Sometimes advice has some _serious_ advantages over just finding the solution yourself ;-)) | 17:42 |
| jhauser_ | :-) I learn this myself, so I will need to ask similar questions :-) | 17:43 |
| andres | jhauser_, i still wonder why #zope3-dev is that silent. | 17:47 |
| andres | jhauser_, the "box" approach has a additional benefit. You can define a view for it. | 17:48 |
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| andres | btw, all this stuff only works in custom views, not through zmi... | 17:49 |
| jhauser_ | ok | 17:49 |
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| andres | because of AbsoluteURL | 17:54 |
| andres | ok, i found my failure... I have just set __parent__ and not __name__... | 17:58 |
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| andres | Anybody here using zope.formlib? | 20:57 |
| andres | Especially in combination with the file widget? | 20:59 |
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| j1m | srichter, ayt? | 22:24 |
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