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| CSWookie | In a string expression on a PT, ;; is how you put a semicolon in a string, right? | 02:19 |
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| romanofski | moin :) | 09:41 |
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| ignas | hi | 14:40 |
| dennis_ | hi ignas | 14:41 |
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| ignas | a question - i have a few different types of objects, like Sections, Persons, Groups, and i want to have a indexes that allow me to query them by IHaveSchoolyear schoolyear attribute | 14:42 |
| ignas | how should i implement it so that i would have separate indexes for every type of the object | 14:42 |
| dennis_ | add 3 indexes, field type, schoolyear attribute, not callable (or is), and each for a different interface, so 1 for ISection, IGroup, IPerson, etc .. ? | 14:43 |
| ignas | you see - ISection, IGroup and IPerson are already in there and they do not inherit from IHaveSchoolyear | 14:44 |
| ignas | i don't want to duplicate them to just add separate interfaces for every object to index by | 14:45 |
| ignas | hmm, i guess i could add a SchoolYearIndex class that acts in a simmilar manner as the AttributeIndex | 14:47 |
| ignas | indexes by IHaveSchoolYear schoolyear, but filters objects by their unique Interfaces | 14:47 |
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| dennis_ | adapt them? | 15:03 |
| xbeanx | is it possible to have zope.schema.date default to today? | 15:03 |
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| xbeanx | everyone's asleep today :) | 15:35 |
| xbeanx | can I specify a radio widget for a Bool() schema inside of the schema itself? or do I have to do it in zcml? | 15:36 |
| mgedmin | no and no | 15:37 |
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| mgedmin | well... | 15:37 |
| mgedmin | you could subclass Bool and declare the radio widget to be the default for MyBool, so in a sense you can specify the widget in the schema | 15:38 |
| mgedmin | but that's not very nice, I think | 15:38 |
| mgedmin | the usual way is to specify a custom widget in the form that uses the schema | 15:39 |
| malthe | Which interface does the browser-view adapter provide? It seems not IBrowserView. | 15:51 |
| mgedmin | just Interface | 15:51 |
| malthe | really? | 15:51 |
| mgedmin | the code that looks up views does getMultiAdapter((context, request), name='...') | 15:52 |
| malthe | mgedmin: so how would one use getAdapters to find all of them? | 15:52 |
| mgedmin | although if you want your view to actually work, it has to implement IBrowserPublisher | 15:52 |
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| mgedmin | the <browser:page> zcml directive does some magic to add the IBrowserPublisher implementation to your view classes | 15:52 |
| malthe | ah cool | 15:53 |
| mgedmin | it's one of the murkier bits of zope 3 | 15:53 |
| malthe | right | 15:53 |
| malthe | I spent some hours on that | 15:53 |
| malthe | it seemed obvious to me that they were registered for IBrowserView :-) | 15:53 |
| malthe | but I guess that was a bit too high level | 15:53 |
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| mgedmin | don't ask me the reasons, I just know how to read the source code :) | 15:54 |
| xbeanx | thanks mgedmin.. I think I will actually subclass Bool as you said because I have 20 Bool()s in my schema for this one form.. And I have to do a very customized widget for these with javascript as well | 16:04 |
| malthe | mgedmin: right | 16:08 |
| malthe | mgedmin: is there any way to only get the adapters/view that are registered for a certain layer? | 16:09 |
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| mgedmin | dunno, I never bothered with getting lists of adapters | 16:25 |
| mgedmin | layers sublcass the request, iirc, so you could look up adapters on IMyContentType, IMyLayer | 16:25 |
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| * Cripps pokes the room in the face. | 16:29 | |
| Cripps | morning folks. | 16:29 |
| dennis_ | hi cripps | 16:29 |
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| Cripps | hey dennis_ , how's it going? | 16:33 |
| xbeanx | I'm trying to write a schema field that contains a Bool and a Text field together. if the Bool is checked, then info is required in the text field.. Where should I start? :) | 16:34 |
| xbeanx | What zope.schema field should I extend, I gues I'm asking | 16:35 |
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| ccomb | nando: thanks for your answers. So it really was an optimisation, and it does work. | 16:36 |
| Cripps | zope.schema._field.Choice maybe? | 16:36 |
| Cripps | xbeanx: ^^ | 16:37 |
| nando | ccomb: welcome! | 16:37 |
| xbeanx | dunno, the docs for IChoice say "Field whose value is contained in a predefined set" .....not exactly what I am looking for I think | 16:37 |
| xbeanx | Maybe I need to just start with IField and go fromt here | 16:38 |
| Cripps | xbeanx: maybe. Just read over the whole _field.py file and see what good stuff you find in there. | 16:38 |
| xbeanx | hah, fun stuff | 16:38 |
| nando | ccomb: I'm happy seing people taking advantage of my code | 16:38 |
| nando | ccomb: many things I've made, probably will be bad done... | 16:39 |
| xbeanx | I'm thinking perhaps IAbstractBag...... | 16:39 |
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| nando | ccomb: programming and learning at the same time | 16:40 |
| nando | ccomb: so pleased to get feedback, corrections and suggestions :-) | 16:41 |
| ccomb | nando: Doing exactly the same. :) I've seen you wanted to enable comments in your app. That's something I will do very soon for an app I'm creating. I'll try to make it reusable... | 16:41 |
| nando | ccomb: great! | 16:42 |
| nando | ccomb: looking forward to see your app live soon! | 16:43 |
| ccomb | you won't because this is a private extranet | 16:43 |
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| ccomb | but I will publish the code | 16:43 |
| nando | ahhh I see | 16:43 |
| nando | well | 16:43 |
| dennis_ | xbeanx you could use an invariant ? | 16:43 |
| xbeanx | dennis_: interesting..never actually thought of that :) | 16:44 |
| xbeanx | My problem is I have an aweful lot of Bools on a single page.. To have the text boxes there as well makes the page encredibly long.. So I wanted to hide the textboxes until the bools were clicked as 'true' then use javascript to render the textbox for input.. | 16:45 |
| xbeanx | make sense? | 16:45 |
| xbeanx | it's turning out to be quite a challenge for my tiny brain | 16:46 |
| xbeanx | I figured a custom field/widget would make things easier, but I dunno... | 16:46 |
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| xbeanx | actually, the bool isn't really necessary, it's only there to enable/disable the textbox.. maybe I can use a custom textbox widget to do that :) | 16:50 |
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| dennis_ | xbeanx one possibility is a custom widget which renders a bool with some onclick=javascript to make the textbox visible, but you'll have to set .custom_widget on all those fields in your form code | 16:52 |
| mgedmin | or make your custom widget the default for text fields in your application's layer | 16:52 |
| xbeanx | yes, I was thinking to subclass "Text" and then use a <zope:page> directive to set the widget for that new field class | 16:53 |
| xbeanx | because I still need standard text widgets as well | 16:53 |
| Cripps | I'm making a generic NameChooser adapter for the entirety of a web app (it's using UUIDs) ... and I'm adapting IContainer for said adapter, but for the checkName method, how would I go about checking to see if the generated UUID is not in a container? | 16:55 |
| Cripps | i.e. not in the container that the NameChooser is called for. | 16:56 |
| dennis_ | cripps usually a uuid has a 2^128 or so chance of collisions, no? | 16:56 |
| Cripps | dennis_: yeah, something like that ... so it's a really small chance, but it *could* happen. | 16:57 |
| dennis_ | ehm | 16:57 |
| Cripps | :) | 16:57 |
| dennis_ | there is a greater chance your house will get swallowed up by a flying dragon from another dimension | 16:57 |
| dennis_ | give or take | 16:57 |
| Cripps | hahaha | 16:57 |
| Cripps | dennis_: point taken ... 340282366920938463463374607431768211456 combinations ... | 16:58 |
| Cripps | :P | 16:58 |
| xbeanx | rofl | 16:59 |
| Cripps | ...give or take a couple hundred ;) | 16:59 |
| xbeanx | http://wiki.zope.org/zope3/FAQ#how-to-give-unique-name-for-an-object-within-a-container ? | 17:01 |
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| ignas | philiKON_: ayt? | 18:49 |
| philiKON_ | yes | 18:49 |
| ignas | a question about translations | 18:49 |
| philiKON_ | um, ok | 18:49 |
| ignas | as i understand all the translations in zope are in the same namespace | 18:49 |
| ignas | "zope" or something like that | 18:49 |
| philiKON_ | in the same domain, yes | 18:49 |
| philiKON_ | right | 18:49 |
| ignas | domain, sorry | 18:49 |
| philiKON_ | and they're all in zope.app.locales | 18:50 |
| philiKON_ | np | 18:50 |
| ignas | wouldn't you get conflicts if you would use multiple po files | 18:50 |
| ignas | by dividing the main po file by project/egg | 18:50 |
| philiKON_ | they would have to use separate domains | 18:50 |
| ignas | i mean some strings being translated more than once for different eggs | 18:50 |
| philiKON_ | such as? | 18:50 |
| ignas | so it's not just a tool that splits the .po file by domain is | 18:51 |
| ignas | s/domain/project | 18:51 |
| ignas | someone would have to change domains for all the eggs | 18:51 |
| philiKON_ | right | 18:51 |
| philiKON_ | you're right | 18:51 |
| philiKON_ | i forgot that :) | 18:51 |
| ignas | if this would get performed | 18:51 |
| philiKON_ | but that can also be done mechanically, i think | 18:51 |
| ignas | the current i18nextract tool supports crude (import based) domain checker | 18:51 |
| philiKON_ | yeah | 18:51 |
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| ignas | which works for schooltool at least, though you must pass the domain you are extracting as a parameter | 18:52 |
| philiKON_ | right, i know | 18:52 |
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| * ignas will have to do something like that for schooltool too | 18:53 | |
| ksmith99 | hi zopers, I'm working with large result lists returned from catalog that need to be sorted. Does it save me anything if I were to sort them based on a custom __repr__? I'm hoping not to load the objects in memory to perform the sort. | 19:02 |
| dennis_ | ksmith99 if you figure that out please document it, for my news folder where i just want the latest 10 entries :) | 19:03 |
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| philiKON_ | ksmith99: sorting w/o loading objects in memory is pretty much impossible | 19:04 |
| philiKON_ | that custom __repr__ requires having the object | 19:04 |
| philiKON_ | and having the object requires loading it into memory | 19:04 |
| philiKON_ | gotta bite the bullet | 19:04 |
| philiKON_ | dennis_: there are tricks for that | 19:04 |
| philiKON_ | if you keep an index of all such items, BTrees will efficiently allow you to get slices, e.g. [-10:] | 19:05 |
| philiKON_ | naturally, this means the index is pre-sorted | 19:05 |
| philiKON_ | should be easily doable with a btree, though | 19:05 |
| dennis_ | philiKON_, I do have an index on the timestamp, but a query needs a start timestamp and an end timestamp, so I have to know roughly where my last 10 objects are | 19:06 |
| Theuni | win 2 | 19:06 |
| Theuni | brrr | 19:06 |
| Theuni | ww | 19:06 |
| ksmith99 | philiKON_, thanks.... is there any documentation anywhere about pre-sorting an index? | 19:06 |
| dennis_ | (or maybe you didn't mean through the catalog, sorry) | 19:07 |
| philiKON_ | right | 19:07 |
| philiKON_ | this doesn't necessarily go thru the catalog | 19:07 |
| ksmith99 | oh | 19:07 |
| philiKON_ | possibly the existing FieldIndex can be used for this | 19:07 |
| philiKON_ | but it's really a simple thing | 19:07 |
| philiKON_ | shove each new news item into that index (read: btree) | 19:07 |
| philiKON_ | make the key some sort of chronological thing | 19:08 |
| philiKON_ | (datetime.datetime() comes to mind) | 19:08 |
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| philiKON_ | and then get the last 10 things from that index | 19:08 |
| dennis_ | ah so instead of going through the catalog query'ing, just slice the index ? it can do that? :) | 19:08 |
| philiKON_ | not sure if the index api allows that | 19:08 |
| philiKON_ | perhaps it does | 19:09 |
| philiKON_ | no idea | 19:09 |
| philiKON_ | heck, just take a Folder, shove the items in there, make sure their name in the folder sorts like dates | 19:09 |
| philiKON_ | e.g. strftime(something) | 19:09 |
| philiKON_ | and get the last 10 items in the folder | 19:09 |
| philiKON_ | (that would be poor man's pre-sorted index :)) | 19:09 |
| ksmith99 | ahhh... wasn't sure if that was reliable, awesome :) | 19:10 |
| dennis_ | didnt realize a folder implicitly sorts its entries in any particular order | 19:10 |
| philiKON_ | folders use btrees underneath | 19:10 |
| philiKON_ | and btrees always need a total ordering | 19:10 |
| philiKON_ | that's how their algorithm works | 19:10 |
| philiKON_ | otherwise they couldn't be so efficient | 19:10 |
| dennis_ | could I change __cmp__ for my news item object as well to make this work? | 19:10 |
| ksmith99 | so the are organized by __name__ | 19:11 |
| philiKON_ | yes | 19:11 |
| philiKON_ | dennis_: the trick isn't the __cmp__ of the object, but the keys under which you put them in the mapping | 19:11 |
| dennis_ | ah yeah of course | 19:11 |
| philiKON_ | containers (such as folders) want strings | 19:11 |
| philiKON_ | so poor man's indexing would use some sort of string | 19:11 |
| philiKON_ | if you'd code it yourself with an OOBTree and datetime keys, the api is probably nicer | 19:12 |
| dennis_ | there's some good ideas here to play with, thanks a lot :) | 19:13 |
| ksmith99 | a container like that would be a nice addition to grok ;) | 19:13 |
| ksmith99 | yes, thanks | 19:13 |
| philiKON_ | well, a pre-made index that supports the slicing syntax would already be enough | 19:14 |
| philiKON_ | if you've managed to create one, let us know :) | 19:14 |
| philiKON_ | even better, make an egg and tell us about it | 19:14 |
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| dennis_ | i like the slicing a | 19:14 |
| dennis_ | oops | 19:14 |
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| dennis_ | i like the 'slicing an index from a catalog' idea the most though, that would be really useful and still allow date-based searches | 19:15 |
| dennis_ | will try that out | 19:15 |
| philiKON_ | right | 19:15 |
| philiKON_ | i suggest basing it on fieldindex | 19:15 |
| philiKON_ | or zc.catalog's valueindex | 19:15 |
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| dennis_ | speaking of eggs, should I learn about them for future zope releases? | 19:23 |
| dennis_ | (insert zope+eggs doc here :) | 19:24 |
| ksmith99 | dennis_, yes - learn eggs plus zc.buildout, it's a real time saver | 19:30 |
| dennis_ | do al the zc. and z3c. packages work cleanly with zope or are they more specific (like branches to be merged later) | 19:31 |
| ksmith99 | dennis_, they are independent components, with their own set of dependencies, that work with zope3. | 19:32 |
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| stephengr | i ran zeo and found an Atrribute error on py 2.5 | 20:42 |
| stephengr | /usr/local/lib/python2.5/threading.py(169)__init__() | 20:42 |
| stephengr | -> self._release_save = lock._release_save | 20:42 |
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| afd__ | what's the reason for the weird install procedure for the borg example, instead of a full GS setup? | 20:43 |
| mgedmin | borg? GS? | 20:45 |
| afd__ | could it be done as an import step? | 20:45 |
| afd__ | mgedmin: http://dev.plone.org/collective/browser/borg/trunk/examples/charity | 20:45 |
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| afd__ | sorry, wrong channel :) | 20:46 |
| afd__ | should be on plone | 20:46 |
| mgedmin | that explains it :) | 20:46 |
| mgedmin | not even a readme.txt in that svn directory | 20:46 |
| mgedmin | ah, there is one one level above | 20:46 |
| afd__ | 2 lines | 20:47 |
| afd__ | actually, borg in itself is well documented | 20:47 |
| stephengr | i ran zeo and found an Atrribute error on py 2.5 | 20:47 |
| afd__ | there's a tutorial on plone | 20:48 |
| afd__ | anyway | 20:48 |
| mgedmin | stephengr: and? | 20:48 |
| stephengr | got hanged | 20:49 |
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| mgedmin | that's a pretty strict punishment for an attribute error :) | 20:50 |
| stephengr | but i think there is some problem in accquiring the lock | 20:50 |
| stephengr | It is getting hanged in threading.py | 20:51 |
| J1m | I've noticed that the ZEO tests hang on 2.5. :( | 20:51 |
| J1m | I haven't had time to pursue it. | 20:51 |
| * J1m looks at threading.py | 20:52 | |
| J1m | stephengr, it would be good for you to share what you've learned on the zodb-dev list. | 20:53 |
| J1m | It happens that the author of the threading module pays attention to that list. | 20:53 |
| stephengr | i saw a recent post regarding discconection error there | 20:54 |
| J1m | Line 169 explicitly ignopres the attribute error. | 20:55 |
| J1m | It would simple prevent the condition from having that attr. | 20:55 |
| stephengr | but it is getting stuck between 226 and 232 later . | 20:56 |
| J1m | Nothing in ZEO tries to access that attribute. | 20:56 |
| J1m | well, of course | 20:57 |
| J1m | It is waiting for something that, presumably, isn't happening. | 20:57 |
| J1m | The question is why nobody is calling notify or notifyAll. | 20:57 |
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| stephengr | Is disconnetion error in ZEO when run with python2.5 related to this | 20:59 |
| J1m | I have no idea | 20:59 |
| J1m | All I know is that the tests hang. :) | 20:59 |
| Cripps | hello stephengr. | 21:00 |
| J1m | And that I don't have time to look at it. | 21:00 |
| stephengr | hello Cripps | 21:00 |
| Cripps | stephengr: were you looking for something from me specifically? | 21:01 |
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| stephengr | Ya I meant to ask this itself | 21:01 |
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| Cripps | hey dennis_, is it okay if I quote you in my doctest? | 21:38 |
| Cripps | dennis_: I'm leaving soon, so just message me a "yes" or a "no" when you get the chance :) | 21:42 |
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