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| skeeter | Hey everyone. I've got a question regarding INameChooser. I have some content that I want to use a certain field as the name. I'm using IContainerNamesContainer marker adapter. My NamesChooser works fine when new content is created. The problem is that I want the name to get updated when the field is updated. It apears that NameChooser only happens at creation... I've tried hooking into the constraint for the field, but that doesn't seem | 01:25 |
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| srichter | skeeter: Basically you have to do a rename, whenever the field changes | 01:31 |
| srichter | the easiest would be to send out an event when the field is changed and then have a subscriber that does the renaming spiel | 01:32 |
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| skeeter | I thought about that, but then if there is already something with that name, there would be a conflict and the field value would be out of sync or invalid. | 01:32 |
| srichter | well, your subscriber can raise an error | 01:33 |
| srichter | also note that you can easily have a constraint/invariant, since the name of the object is sotred in __name__ | 01:34 |
| srichter | so there are severla possibilities to handle this problem | 01:34 |
| skeeter | hmm. I'll need to think about __name__. I just can't change __name__ without getting the container to know about the change and aprove it. | 01:35 |
| srichter | right, you still need the subscriber | 01:35 |
| srichter | I would have the subscriber handle it all | 01:35 |
| skeeter | If I could get the constraint to call the container's checkName, that would work. | 01:35 |
| skeeter | but constraints don't know about objects and parents. they only take a value to check... I think.... | 01:36 |
| skeeter | I always thought subscribers dealt with things after they happened. I want to not let the field get changed if the new value is already in use as a name. | 01:37 |
| skeeter | It's very much like a constraint, but it needs to be container aware. | 01:38 |
| skeeter | Maybe I'm missing something, but this seems more complicated than it should be. | 01:38 |
| srichter | the event should be an object event | 01:39 |
| srichter | and you get the container using zapi.getParent(event.object) | 01:39 |
| srichter | then you have all the objects you need | 01:39 |
| srichter | events can happen at any time you want them to happen | 01:40 |
| skeeter | hmm... ok, I'll think about it more. Thanks for the info. | 01:41 |
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| eins | hi all | 08:05 |
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| romanofski | moin | 09:38 |
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| eins | hi romanofski | 10:22 |
| romanofski | hey eins :) | 10:24 |
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| qk | hi. | 11:23 |
| qk | when i have instaled zope.interfaces, zope.testbrowser isn't working :( | 11:23 |
| qk | http://deadbeefbabe.org/paste/2972 | 11:24 |
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| qk | hmm.. workaround for it is force testbrowser to use dummymodules.interfaces insted zope.interfaces. | 12:01 |
| qk | Maybe it is kind of incompability and testbroeser works only with some zope.interfaces versions? | 12:02 |
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| __mac__ | hi, is there a reason formlib uses "zope.formlib" as translation domain instead of "zope"? | 18:14 |
| philiKON | good question... | 18:15 |
| __mac__ | translation of messages only works when it is set to zope | 18:15 |
| __mac__ | maybe it is because formlib's messages are translated in zope.po | 18:16 |
| __mac__ | ... I don't know ... just a guess | 18:16 |
| benji | __mac__, I don't know if there is a larger reason, but zope.formlib evolved from zc.form (never publicly released) and I'm sure it had its own translation domain, so it might just be a transliteration of that | 18:17 |
| philiKON | i actually think that most zope.* libraries shoudl have their own translation domain | 18:18 |
| philiKON | because some of them can be used independently | 18:19 |
| philiKON | not entirely sure aobut zope.formlib | 18:19 |
| benji | yep, I think so too | 18:19 |
| philiKON | either way, the current extractor tool can't figure out the domain of python based message ids | 18:19 |
| philiKON | that's why all of them end up in zope.pot | 18:19 |
| __mac__ | should I file a bug into the collector? | 18:24 |
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| philiKON | __mac__, good idea | 18:29 |
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| __mac__ | philiKON, done | 18:36 |
| philiKON | thanks | 18:36 |
| __mac__ | np | 18:36 |
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| tiredbones | Can anyone tell me how to get the code for the zope3 book that's online. | 20:44 |
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| d2m | tiredbones: i think its over gere http://svn.zope.org/book/trunk/ | 20:48 |
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| tiredbones | d2m, thanks - I found that one but you have to download them separately. Do you know of a zip file? | 20:54 |
| d2m | tiredbones: you could use a SVN client | 20:54 |
| tiredbones | d2m, ok | 20:55 |
| d2m | tiredbones: SVN checkout instructions are here http://www.zope.org/DevHome/Subversion/ReadOnlyAccess | 20:56 |
| tiredbones | d2m, I got a 301, it moved. Do you have any idea where it moved to? | 21:03 |
| d2m | tiredbones: a 301 on which URL ? | 21:03 |
| tiredbones | d2m, http://svn.zope.org/book/trunk/ | 21:04 |
| d2m | tiredbones: in your SVN browser its likely svn://svn.zope.org/repos/main/book/trunk | 21:06 |
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| tiredbones | d2m, ok - i got it, thanks | 21:07 |
| d2m | np | 21:07 |
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| |den_RDC| | i am planning to use zope.interfaces (only the interfaces )in one of my apps - i read a bit about it, and it seems pretty clear how it works - the only thing i don't get is how one should find classes the implement a certain object (is there a mechanism provided to do that ?) | 21:28 |
| |den_RDC| | i'll give an example | 21:28 |
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| |den_RDC| | i've got a program that needs to control a dns server, but not all installations will use the same dnsserver (backend) ... so i'll write an interface that defines what the program can do with dns records & such, and i'll write one class per backend that implemnts the interface | 21:29 |
| efge | |den_RDC|: you need some kind of registry. the interfaces by themselves don't do that | 21:30 |
| |den_RDC| | is there a "builtin" way in zope.interfaces that let's me query which classes implement a certain interface , or do i have to keep track of that myzelf? | 21:30 |
| efge | however zope.component's adapters are designed to do that | 21:30 |
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| efge | hm strike that, adapters are also in zope.interface | 21:31 |
| efge | anyway | 21:31 |
| |den_RDC| | i'll have a look at components then, thx | 21:32 |
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