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| malthe | on formlib action validation ––– why is no data available to the method? ––– rocky says it's the validators job to provide that data; but I don't really understand the idea then –– can anyone clarify? | 05:17 |
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| baijum | Theuni, can I remove zope.xmlpickle from http://wiki.zope.org/zope3/StabilizeEggPackages , it was never officially released ? | 15:47 |
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| philiKON | baijum: yes, please do | 15:57 |
| baijum | philiKON: ok | 15:57 |
| philiKON | baijum: i would prefer it if you put the changelog *below* the package documentation | 15:58 |
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| philiKON | hmm, never mind, you have README.txt + CHANGES.txt + src/.../README.txt | 15:59 |
| philiKON | i guess that's ok | 15:59 |
| philiKON | ignore me :) | 15:59 |
| * baijum don't understand the reason, anyway ok | 16:00 | |
| philiKON | no, it's ok | 16:01 |
| philiKON | i was talking rubbish | 16:01 |
| baijum | philiKON, can you suggest a description for zope.structuredtext ? | 16:05 |
| * baijum guess this will be the first and last release of this package | 16:05 | |
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| baijum | is "Structuredtext parser" ok ? | 16:05 |
| philiKON | yeah, sounds good | 16:06 |
| philiKON | it's written StructuredText, though | 16:06 |
| philiKON | src/zope/structuredtext/STNG.txt contains a document explaining STructuredText | 16:06 |
| baijum | ah. ok | 16:07 |
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| ignas | how do i get a pythonpath for an egg? | 16:18 |
| philiKON | ignas: ? | 16:19 |
| ignas | i need to pass a path to my i18nectraction script | 16:19 |
| ignas | so i want to have some function that when it gets a string like "schooltool" gets me the path to the egg | 16:20 |
| philiKON | is schooltool a namespace package? | 16:20 |
| ignas | " list(pkg_resources.require('schooltool'))[0].location " | 16:20 |
| ignas | kind of works | 16:20 |
| ignas | not at the moment | 16:21 |
| philiKON | module = __import__(pkg_name); os.path.dirname(module.__file__) | 16:21 |
| ignas | when it will be, i will have to think of some other way to collect all the python files | 16:21 |
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| ignas | hmm, i'd rather do it through eggs | 16:22 |
| ignas | if it's possible | 16:22 |
| philiKON | whatever that means | 16:22 |
| philiKON | eggs are just directories (or zipfiles) containing packages | 16:22 |
| baijum | ignas, are you creating egg for "utilities/i18nextract.py" available in Zope 3 trunk ? | 16:25 |
| ignas | no ;) | 16:25 |
| ignas | i am creating an egg for schooltools own i18nextract | 16:26 |
| philiKON | baijum: there's really no egg needed. i18nextract should be a script of the zope.app.locales egg | 16:26 |
| ignas | something like stdevtools | 16:26 |
| ignas | solving namespace packages is a bit more difficult than what schooltool needs | 16:27 |
| baijum | philiKON, is that entry point exists there now ? | 16:27 |
| philiKON | no idea. | 16:27 |
| philiKON | i didn't create it... | 16:27 |
| ignas | baijum: any idea how to make POTMaker namespace package aware when extracting strings? | 16:29 |
| baijum | ignas, no idea about i18n/l10n now | 16:29 |
| ignas | it's not specific to i18n, i18n just runs through all the python files in some directory | 16:30 |
| ignas | so making it an entry point won't really make it suitable for Zope3 eggs edition i think | 16:30 |
| baijum | ignas, sorry I have no idea ... | 16:32 |
| philiKON | ignas: well, you give it a certain package, e.g. zope.testbrowser | 16:36 |
| philiKON | and then it scans that package | 16:36 |
| philiKON | you could no longer give it a namespace package | 16:36 |
| philiKON | (it wouldn't make sense anyway) | 16:36 |
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| ignas | it would make sense if all the packages are using the same i18n domain, which might happen during the transition period | 16:38 |
| philiKON | yeh | 16:39 |
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| malthe | philiKON: could you explain why a formlib validator does not receive the submitted form data –– rocky says it's because a validator is not supposed to react on the submitted data, but rather to provide data. I'm a bit lost, then. What I want is to be able to validate a field based on some context-dependent statement (for instance: does this user-id already exist). | 22:37 |
| philiKON | i didn't write formlib | 22:38 |
| malthe | right | 22:38 |
| malthe | even so :-) | 22:38 |
| malthe | maybe you could shed light on the logic | 22:38 |
| philiKON | you should explain what you mean by formlib validator | 22:38 |
| philiKON | there are about three different ones possible | 22:39 |
| malthe | @action("My action", validator=my_form_validator) | 22:39 |
| philiKON | an action validator | 22:39 |
| malthe | yes | 22:39 |
| malthe | perhaps I need to register a field-specific validator; maybe that's the idea. | 22:39 |
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| philiKON | first the action validator is called, then the general validator | 22:41 |
| philiKON | the general validator fills the 'data' dictionary with the values from the request | 22:41 |
| philiKON | *if* each field validates the request's value correctly | 22:41 |
| malthe | gotcha | 22:41 |
| philiKON | since the action validator is called before that, it'll have either fill the data dictionary itself | 22:42 |
| philiKON | or look at the request itself | 22:42 |
| malthe | ok that makes sense then | 22:42 |
| malthe | so I should probably resort to adding a field validator to my field | 22:42 |
| philiKON | depends on what you need to do | 22:42 |
| malthe | I need to check that the userid isn't taken already | 22:42 |
| malthe | my asking the pluggable auth | 22:43 |
| malthe | s/my/by | 22:43 |
| philiKON | that doesn't sound like an action validator | 22:43 |
| philiKON | more like an invariant | 22:43 |
| malthe | but invariants don't have access to the context | 22:43 |
| malthe | that's what I found anyway | 22:43 |
| malthe | they're sort of ignorant about the context | 22:44 |
| philiKON | huh? | 22:44 |
| philiKON | they receive the objec tin question | 22:45 |
| malthe | they're only given an object that has the form data | 22:45 |
| philiKON | not just any object, though | 22:45 |
| philiKON | *the* object | 22:45 |
| malthe | so... the form object in my case? | 22:45 |
| malthe | that's not what I've found but let me just check that again | 22:45 |
| philiKON | hmmm | 22:45 |
| philiKON | you may be right | 22:46 |
| philiKON | shrug | 22:46 |
| malthe | yeah shrug | 22:46 |
| malthe | last I checked "the object" didn't have any attributes at all ––– except some fancy __getattr__ | 22:46 |
| philiKON | yeah | 22:46 |
| malthe | that appearently was clever about getting the attributes from the request | 22:46 |
| philiKON | ok, here's what i suggest | 22:46 |
| philiKON | override the validate() method | 22:46 |
| philiKON | call super(...).validate() | 22:47 |
| philiKON | the data dict will be filled then | 22:47 |
| malthe | then check | 22:47 |
| philiKON | you'll have access to the object (self.context) | 22:47 |
| philiKON | etc. | 22:47 |
| philiKON | right | 22:47 |
| malthe | that seems reasonable | 22:47 |
| malthe | I'll try that –––– thanks for the help | 22:47 |
| malthe | much appreciated | 22:47 |
| philiKON | e.g. http://paste.plone.org/16630 | 22:48 |
| philiKON | sure | 22:48 |
| malthe | I see | 22:49 |
| malthe | more_errors huh :-( | 22:49 |
| malthe | seems like a good strategy | 22:49 |
| philiKON | well, more_errors would contain the errors you would compute out of your checks | 22:49 |
| philiKON | e.g. an exception indicating that the user id is already taken | 22:50 |
| malthe | right ––– I'd just more_errors.append(MyValidationError) | 22:51 |
| malthe | maybe instantiated | 22:51 |
| philiKON | these things are tuples i think | 22:51 |
| philiKON | so no append | 22:51 |
| malthe | right | 22:51 |
| philiKON | but yeah, instantiated validation error | 22:52 |
| malthe | that's pretty good | 22:52 |
| malthe | seems not the perfect approach, but 90% there ––– I'd like to raise the exception somewhere. | 22:52 |
| malthe | but that's for another day :-) | 22:52 |
| malthe | seems odd to add the error... anyway, I don't want to burden you with even more of this. | 22:53 |
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