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| bigkevmcd | Mornin' all, I'm using a SimpleTerm/SimpleVocabulary to populate a schema.Choice in a formlib form, I want one of the items to be disabled in the list box, in certain circumstances, is there a way to do this? | 11:22 |
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| timte | How can I refer to buildout.cfg develop key from same key in devel.cfg without getting circular references? | 14:57 |
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| timte | got it working | 15:10 |
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| thruflo | hi, I'm getting a "UnpickleableError: Cannot pickle <type 'zope.security._proxy._Proxy'> objects" error on basic add / edit forms for a very simple content object | 17:12 |
| thruflo | it works when in the root folder | 17:12 |
| thruflo | ie: i add a container & then add objects to it and can edit ok | 17:12 |
| thruflo | but when i add the container to a site | 17:13 |
| thruflo | i get the security error | 17:13 |
| jodok|iPhone | /part | 17:13 |
| jodok|iPhone | oops | 17:13 |
| thruflo | i know I can removeSecuiryProxy but I'm using the bog standard edit forms - no special classes | 17:13 |
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| * thruflo waves at junkafarian | 17:14 | |
| junkafarian | yo thruflo | 17:14 |
| instantfoo | hay! | 17:15 |
| junkafarian | is there a way to get more info on a 'Could not adapt' error? | 17:15 |
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| thruflo | ^ am I missing something obvious? | 17:15 |
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| junkafarian | thruflo: ? | 17:16 |
| thruflo | junkafarian: [15:12] thruflo: hi, I'm getting a "UnpickleableError: Cannot pickle <type 'zope.security._proxy._Proxy'> objects" error on basic add / edit forms for a very simple content object | 17:16 |
| thruflo | thruflo: it works when in the root folder, but when i add the container to a site i get the security error | 17:16 |
| junkafarian | hmz | 17:18 |
| thruflo | help! | 17:18 |
| ignas | emm | 17:18 |
| ignas | why are you adding a security proxied object into a container? | 17:18 |
| thruflo | i just wanna add a simple 'note' object to a container | 17:19 |
| thruflo | http://pesto.largeblue.net/trac/browser/pesto/obj/note | 17:19 |
| junkafarian | ignas: i think the problem is that he isnt verbosely proxying the object | 17:20 |
| ignas | the idea is - you should not be adding security wrapped objects into containers, now how the proxy got onto an object | 17:20 |
| ignas | is a different question | 17:20 |
| ignas | it should not happen on a newly created object | 17:20 |
| junkafarian | its happening only on the edit forms | 17:21 |
| junkafarian | but both add and edit forms are skin and bones | 17:21 |
| ignas | so your edit forms are readding the object into the container | 17:21 |
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| ignas | while they should only modify the object | 17:21 |
| junkafarian | the objects can be created in the container no problem | 17:21 |
| thruflo | <addMenuItem title="Note" | 17:22 |
| thruflo | class="pesto.obj.note.Note" | 17:22 |
| thruflo | permission="zope.ManageContent" | 17:22 |
| thruflo | view="add_note.html" | 17:22 |
| thruflo | /> | 17:22 |
| junkafarian | it errors on what seems to be the update() function | 17:22 |
| thruflo | <addform name="add_note.html" | 17:22 |
| thruflo | label="Add Note" | 17:22 |
| thruflo | schema="pesto.obj.note.interfaces.INote" | 17:22 |
| thruflo | content_factory="pesto.obj.note.Note" | 17:22 |
| thruflo | permission="zope.ManageContent" | 17:22 |
| thruflo | /> | 17:22 |
| ignas | lisppaste6: url | 17:22 |
| lisppaste6 | To use the lisppaste bot, visit http://paste.lisp.org/new/zope3-dev and enter your paste. | 17:22 |
| thruflo | ^ ie: I have no view.py / class | 17:22 |
| thruflo | ok, tx | 17:22 |
| lisppaste6 | thruflo pasted "note configure.zcml" at http://paste.lisp.org/display/49681 | 17:23 |
| thruflo | ie: bog simple content object, add & edit, containment etc. works fine in site root | 17:23 |
| thruflo | but I get the UnpickleableError error within a site folder | 17:24 |
| thruflo | which has it's own pau / auth plugin | 17:24 |
| thruflo | (when I say site folder I don't mean ++etc-site++ but just a folder called 'sidf' that's been made into a site) | 17:24 |
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| mgedmin | thruflo: please pastebot the full traceback | 17:26 |
| lisppaste6 | thruflo pasted "traceback" at http://paste.lisp.org/display/49682 | 17:26 |
| mgedmin | oh, right, it's useless at this late point | 17:27 |
| junkafarian | mgedmin: how so? | 17:27 |
| junkafarian | im working on the same project | 17:27 |
| mgedmin | the question is, how the security proxied object gets attached to the containment hierarchy | 17:28 |
| mgedmin | and the traceback happens at a later point | 17:28 |
| junkafarian | yeah | 17:28 |
| mgedmin | what's the auth plugin? | 17:29 |
| mgedmin | a custom one? | 17:29 |
| mgedmin | could be you're getting that error from DC metadata when it tries to store the creator id | 17:29 |
| * junkafarian checks | 17:30 | |
| junkafarian | on a separate issue, is there a way to get more information on why im getting a 'Could not adapt' error? | 17:31 |
| mgedmin | okay, here's what I'd do: I'd insert a pdb.set_trace() in ZODB/Connection.py (line 543), within a try/except UnpickleableError block, and then inspect that proxy | 17:32 |
| mgedmin | i.e. call removeSecurityProxy from it and see what it is | 17:32 |
| junkafarian | mgedmin: ^ | 17:32 |
| mgedmin | no idea about debugging adapters | 17:32 |
| mgedmin | well, you *could* get a full list of adapter registrations and see why the one you want is not in it | 17:32 |
| mgedmin | it's a big list, I think | 17:32 |
| mgedmin | usually it's easier to apply deductive reasoning | 17:33 |
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| junkafarian | was afraid you would say something like that :P | 17:34 |
| junkafarian | 'could not adapt' is just a rather general error :P | 17:35 |
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| mgedmin | adapters are a pretty general mechanism | 17:35 |
| ignas | junkafarian: what i do is - import pdb before adaptation | 17:35 |
| ignas | and look what i am adapting | 17:35 |
| ignas | and to what i am trying to adapt it to | 17:36 |
| mgedmin | if you get a "command not found" error in bash, what more information do you want? | 17:36 |
| ignas | single adaptations are trivial most of the times | 17:36 |
| mgedmin | well, okay, bad example, you want to know what package to install to get that command | 17:36 |
| ignas | and only multi adapters might need some internal debugging, but even then - all the tricky cases are when you get the wrong object | 17:36 |
| junkafarian | mgedmin: hrhr | 17:36 |
| ignas | not when you get 'failed to adapty' | 17:37 |
| junkafarian | i was just wondering what the main causes are for adapting failures | 17:38 |
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| junkafarian | as i dont know if it is a configuration error or whether it is something in the code | 17:39 |
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| junkafarian | hmz | 18:00 |
| junkafarian | it was a config error | 18:00 |
| junkafarian | but a wierd one! | 18:00 |
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| thruflo | hey | 19:01 |
| thruflo | apologies for dissapearing whilst mid getting help - got dragged into mtg | 19:01 |
| thruflo | mgedmin: tx for advice, will debug as you suggest | 19:02 |
| thruflo | ok yup, was the annotations | 19:04 |
| * thruflo grinds his teeth | 19:04 | |
| mgedmin | hm | 19:04 |
| mgedmin | principal id is supposed to be a string | 19:05 |
| mgedmin | strings are never security proxied | 19:05 |
| mgedmin | does your auth plugin use non-stringish for principal ids? | 19:05 |
| thruflo | i'm using a standard sessions credentials auth plugin | 19:07 |
| thruflo | and this signup principal folder as authentication plugin: http://pesto.largeblue.net/trac/browser/pesto/user/container.py | 19:09 |
| mgedmin | so what was that object hiding behind the proxy? | 19:10 |
| * thruflo re-bugs | 19:11 | |
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| lisppaste6 | thruflo annotated #49681 with "the obj causing the mischief" at http://paste.lisp.org/display/49681#1 | 19:20 |
| thruflo | bizarre | 19:20 |
| mgedmin | 8-/ | 19:21 |
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| * thruflo scans IZopeDublinCore to no avail | 19:24 | |
| mgedmin | do you register the dublin core adapters manually, or do you include the original zcmls? | 19:26 |
| mgedmin | perhaps the dc adapter lost its 'trusted' attribute in zcml? | 19:27 |
| thruflo | <implements interface="zope.annotation.interfaces.IAttributeAnnotatable" /> in the zcml | 19:27 |
| thruflo | aha | 19:27 |
| mgedmin | oh? | 19:28 |
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| thruflo | adsl borked | 20:20 |
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| lisppaste6 | amaron pasted "What this error means?" at http://paste.lisp.org/display/49688 | 20:39 |
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| regebro | amaron: That it can't find standard-macros. But what you did to Zope3 so that you don't have standard_macros is beyond me. :-) | 20:43 |
| mgedmin | it means that there's no 'standard_macros' view on context | 20:43 |
| mgedmin | which is pretty strange, as standard_macros is a view on everything | 20:44 |
| mgedmin | do you use custom skins? | 20:44 |
| amaron | yes, I created one and use it for other pages | 20:44 |
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| amaron | but this reports for AddForm derived class | 20:44 |
| mgedmin | so? | 20:45 |
| mgedmin | the skin is applied on the request | 20:45 |
| mgedmin | standard_macros is part of the rotterdam skin | 20:45 |
| mgedmin | if you use a different skin and want to use AddForm's that want standard_macros, you need to provide your own version of standard_macros | 20:46 |
| amaron | i created my own version of standard_macros | 20:46 |
| mgedmin | alternatively you can perhaps provide your own page template for the AddForm, one that doesn't need standard_macros | 20:46 |
| regebro | but it's on a specific layer, right? Can't you include the rotterdams layer in your skin? (I'm a newbie when it comes to layers and skins). | 20:46 |
| amaron | i'm a newbie for zope3 and zope | 20:47 |
| amaron | so u can guess why i'm lost | 20:48 |
| amaron | i'm into this ... this is a second week | 20:48 |
| mgedmin | zope 3 eats newbies alive for breakfast! muahahahaha | 20:48 |
| * mgedmin is evil | 20:48 | |
| mgedmin | anyway, skins are tricky, so I avoid them | 20:48 |
| mgedmin | can you paste the bit of zcml where you're registering your own standard_macros? | 20:49 |
| * mgedmin also avoids AddForm's | 20:49 | |
| mgedmin | zope.formlib is generally nicer to work with than zope.app.form's zcml magic | 20:50 |
| lisppaste6 | amaron annotated #49688 with "new skin declared here" at http://paste.lisp.org/display/49688#1 | 20:50 |
| mgedmin | z3c.form is a new package that wants to replace zope.formlib, but I haven't actually tried it in practice | 20:50 |
| mgedmin | hm... | 20:50 |
| mgedmin | how do you enable the browser skin? | 20:51 |
| mgedmin | is it made the default skin with a zcml declaration, or do you have a traversal event subscriber that calls applySkin, or what? | 20:52 |
| amaron | i overrided defaultSkin | 20:52 |
| amaron | and that skin works for all other pages | 20:52 |
| amaron | except this one | 20:52 |
| mgedmin | okay... | 20:52 |
| amaron | which is based on AddForm | 20:52 |
| mgedmin | hey! | 20:53 |
| mgedmin | @@standard-macros | 20:53 |
| mgedmin | versus standard_macros | 20:53 |
| mgedmin | there's your mismatch | 20:53 |
| mgedmin | - vs _ | 20:53 |
| amaron | ahhhh | 20:53 |
| mgedmin | good luck | 20:53 |
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| amaron | lol | 20:53 |
| amaron | man, this almost killed me... | 20:54 |
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| alfborge | Does anybody know what causes import error IFallbackUnauthenticatedPrincipal? (See http://pastebin.ca/747010 for the traceback). | 21:22 |
| alfborge | To be honest, that question is a bit outdated as I already know what causes it. | 21:22 |
| alfborge | I have zope.app.publication-3.4.2, and zope.app.security-3.4.0 | 21:22 |
| alfborge | The first tries to import the name I just mentioned from the latter; the latter is ignorant of this and so the problem ensues. | 21:23 |
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| benji | alfborge: since it appears no one here has the time to look into this right now, a bug report would seem to be in order | 21:38 |
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| dennis__ | hi! if i have a valueindex with 1000s of items ordered by a title, is there an efficient way to iterate them in the order in which they were indexed? I.e., so the intids come in such an order that the object.titles are ordered alphabetically. I want to offer a grid of a selection of entries, such that it could be "entry 100-110 out of 10,000, ordered by title" | 21:46 |
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| dennis__ | usually the results of searches are ordered by intid, which has no relation to any attribute of the objects. The point is I don't want to wake up 10,000 objects to get 100 of them by title | 21:48 |
| J1m | If you are going to use all of them, you could just iterate over the index itself. | 21:48 |
| J1m | I'm not sure the index exposes the right API to do that. It should. | 21:49 |
| J1m | I suspect it doesn't. | 21:49 |
| dennis__ | well :) the part 2 is that I do need to filter the results. The BTrees intersection works fantastically, but loses any order. The bad thing is to keep the order I would, for every item in the index, check if it is in the 20 or so filtered results, and if yes, append it. But I rather check 20 times than 10,000 times | 21:50 |
| J1m | If you only have 20 results, you can just sort them. :) | 21:51 |
| J1m | The extremes are easy. | 21:51 |
| J1m | :) | 21:51 |
| dennis__ | hmmm | 21:51 |
| J1m | The hard part comes when you have many results, but sill much gewer results than the entire corpus. | 21:52 |
| dennis__ | i guess i have many many more. There's a database with all items, and several index. One index returns which items you have permissions for. That's the 20 example (though it will be hundreds to thousands) | 21:53 |
| J1m | Also note that if you have to deal with lots of results, you can use a n-best algorithm, rather than sorting, which helps a little. | 21:53 |
| dennis__ | or keep a mapping intid->relative_order, but thats very inefficent when adding/removing | 21:54 |
| J1m | Another option is to set up a catalog-like data structure using the values of interest as primary keys rather than intids. | 21:54 |
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| J1m | basically, the intids are primary keys. | 21:55 |
| J1m | Generally, if you have to deal with sorting, you want to arrange things so that your primary key is what you want to sort results on. | 21:55 |
| J1m | Of course, set merging with non-integer keys is slower, but it's better than sorting. | 21:56 |
| dennis__ | do the BTrees intersection/etc work on non-int keys? | 21:56 |
| J1m | I believe so. I'm not 100% sure though. | 21:57 |
| dennis__ | well will have to try some ideas :) thanks a lot j1m! | 22:00 |
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| regebro | I heard rumours at the Plone conference that somebody is looking into and trying to actually extract the Zope2 security and Zope2 traversers from Zope2 and make them into zope3 adapters. | 22:07 |
| regebro | Is this true, and in that case who are these people? :-) | 22:07 |
| regebro | If it is true, I'm guessing J1m should have heard something, so ping? :-) | 22:07 |
| J1m | Um, why would you think that? | 22:08 |
| J1m | Sadly, I don't have my finger on the pulse of Zope 2. | 22:08 |
| regebro | I'm just thinking that if somebody is brave enough to try that they would have talked to you or run into problems that you would know about. | 22:09 |
| J1m | hehe | 22:09 |
| J1m | warn me if you see them coming. ;) | 22:09 |
| regebro | So if you haven't heard something, that indicates that the rumours aren't true. | 22:09 |
| J1m | right | 22:09 |
| regebro | ok, I will. It would be kinda fun to try. | 22:09 |
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| zenwryly | I'm looking for documentation on BTrees families and coming up empty handed. Where can I find it? How are they supposed to be used? | 22:27 |
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