Hi Andrea,
There is a method in the models/concept.py file at line 375 called
"get_preflabel"
def get_preflabel(self, lang=settings.LANGUAGE_CODE):
> ret = []
> if self.values == []:
> concept = Concept().get(id=self.id,
> include_subconcepts=False, include_parentconcepts=False, include=['label'])
> else:
> concept = self
> for value in concept.values:
> if value.type == 'prefLabel':
> if value.language == lang:
> return value
> elif value.language == lang.split('-')[0]:
> ret.insert(0, value)
> elif value.type == 'altLabel':
> if value.language == lang:
> ret.insert(0, value)
> ret.append(value)
> return ret[0] if len(ret) > 0 else ConceptValue()
that method has been updated in Arches v4 to this:
def get_preflabel(self, lang=settings.LANGUAGE_CODE):
> score = 0
> ranked_labels = []
> if self.values == []:
> concept = Concept().get(id=self.id,
> include_subconcepts=False, include_parentconcepts=False, include=['label'])
> else:
> concept = self
> for value in concept.values:
> ranked_label = {
> 'weight': 1,
> 'value': value
> }
> if value.type == 'prefLabel':
> ranked_label['weight'] = ranked_label['weight'] * 10
> elif value.type == 'altLabel':
> ranked_label['weight'] = ranked_label['weight'] * 4
> if value.language == lang:
> ranked_label['weight'] = ranked_label['weight'] * 10
> elif value.language.split('-')[0] == lang.split('-')[0]:
> ranked_label['weight'] = ranked_label['weight'] * 5
> ranked_labels.append(ranked_label)
> ranked_labels = sorted(ranked_labels, key=lambda label:
> label['weight'], reverse=True)
> if len(ranked_labels) == 0:
> ranked_labels.append({
> 'weight': 1,
> 'value': ConceptValue()
> })
> return ranked_labels[0]['value']
as a test, you might try replacing the old method with the new one.
Also like I mentioned before, I would create prefLabels for all your Arabic
concepts.
If that fixes the issue, I can update the v3 code accordingly and you could
then update your package from that.
Hope that helps.
Cheers,
Alexei
Director of Web Development - Farallon Geographics, Inc. - 971.227.3173
On Fri, Jun 10, 2016 at 8:19 AM, <[email protected]> wrote:
> That's what we had done in the beginning Alexei. However, for some unclear
> reason, it would appear that Arches selects among prefLabels across
> languages - so when we had all labels as prefLabels we ended up having some
> concepts in Arabic and some in English. I was only able to fix that by
> selecting altLabels instead. Any idea of why that error might have been
> occurring?
>
> Andrea
>
> On Thursday, June 9, 2016 at 5:40:54 PM UTC+1, Alexei Peters wrote:
>>
>> Hi Andrea,
>> Instead of using altLabels for the Arabic language, you should use
>> prefLabels. Each language can (and should) specify a prefLabel. Once you
>> do that the system should be able to discern the correct label.
>> I'll try and send another email with more detail on how to set up an end
>> point to switch the language.
>> Cheers,
>> Alexei
>>
>>
>> Director of Web Development - Farallon Geographics, Inc. - 971.227.3173
>>
>> On Wed, Jun 8, 2016 at 7:43 AM, <[email protected]> wrote:
>>
>>> Thank you Alexei. As it happens, I had already,and successfully, set up
>>> an Arabic translation of all of the static strings (the ones read by
>>> Django's gettext). This works fine, though I am not too happy with having
>>> Django automatically select a language based on Middleware: I'd much rather
>>> be able to switch languages at will by using the language dropdown in the
>>> header.
>>>
>>> The major issue is how to get the app to display the alternative Arabic
>>> labels that we entered in the RDM for each node and concept. Once I set up
>>> my custom context processor to loop through the languages in the header,
>>> the two languages will display correctly of course, but that won't be
>>> enough unless I build the language dropdown within a form that, when
>>> posted, leads the app to switch from prefLabels in en_US to altLabels in
>>> ar. *This* is the point on which I would really welcome your input.
>>> Have you already written some code to manipulate label visualisation?
>>>
>>> Best,
>>>
>>> Andrea
>>>
>>> On Monday, June 6, 2016 at 10:15:13 PM UTC+1, Alexei Peters wrote:
>>>>
>>>> Hi Andrea,
>>>> You'll actually have to do several things to present the site in
>>>> another language.
>>>>
>>>> 1. You'll have to add supply your own version of the
>>>> template/header.htm file and as you mentioned loop through the languages
>>>> provided by the system. To do that you'll probably want to add a
>>>> context
>>>> processor that get's the language information from the database. See
>>>> arches/app/utils/context_processors.py for examples. Once you've
>>>> created
>>>> that, then add a reference to it in the TEMPLATE_CONTEXT_PROCESSORS
>>>> section
>>>> of settings.py. Once you've done this you should be able to access the
>>>> languages from your new header.htm template.
>>>> 2. In settings.py go to MIDDLEWARE_CLASSES and uncomment the line:
>>>> 'django.middleware.locale.LocaleMiddleware'
>>>> 3. Read the section entitled "How Django discovers language
>>>> preference" in the reference documentation found here:
>>>> https://media.readthedocs.org/pdf/django/1.6.x/django.pdf . There
>>>> are several ways to set the language, but the easiest might be to set a
>>>> cookie.
>>>>
>>>> Once you've done those things you should be well on your way to
>>>> displaying your site in Arabic.
>>>> Chees,
>>>> Alexei
>>>>
>>>>
>>>> Director of Web Development - Farallon Geographics, Inc. - 971.227.3173
>>>>
>>>> On Mon, Jun 6, 2016 at 7:12 AM, <[email protected]> wrote:
>>>>
>>>>> I am not sure I explained myself correctly Adam. Let me try again: we
>>>>> have translated our entire platform in Arabic, including both the static
>>>>> strings which Django reads via the .mo file and our nodes and concepts.
>>>>> The
>>>>> translations for the latter two have been entered via the RDM as altLabels
>>>>> selecting Arabic as a language. Arabic had been previously added as a
>>>>> language via the Django admin panel (Models -> d_languages).
>>>>>
>>>>> Now, what I want to do is to be able to select the appropriate app
>>>>> language in the header dropdown so that, when I select Arabic, I get the
>>>>> whole app to be shown in Arabic. Do I have to write this whole class from
>>>>> scratch? Or does something exist already to support multilingual apps?
>>>>>
>>>>> Andrea
>>>>>
>>>>>
>>>>> On Wednesday, June 1, 2016 at 10:38:48 PM UTC+1, Adam Cox wrote:
>>>>>>
>>>>>> Hi Andrea, technically this is possible, but I don't think it would
>>>>>> do what you are hoping... The Languages dropdown is meant to be
>>>>>> configured
>>>>>> to allow the user to change the app's interface language, while the
>>>>>> language concepts are only meant to be attributes for a resource (the
>>>>>> language that an Information Resource is written in, for example).
>>>>>>
>>>>>> Adam
>>>>>>
>>>>>> On Wednesday, May 25, 2016 at 12:59:08 AM UTC-6, [email protected]
>>>>>> wrote:
>>>>>>>
>>>>>>> Hi All,
>>>>>>>
>>>>>>> I am in need to change the static 'Languages' dropdown menu in the
>>>>>>> header.htm template to a dynamic one looping through the list of
>>>>>>> languages
>>>>>>> in the concepts.d_languages table. Has someone already written this
>>>>>>> code ?
>>>>>>> I couldn't figure out how to read the language table via Django tags.
>>>>>>>
>>>>>>> Best,
>>>>>>>
>>>>>>> Andrea
>>>>>>>
>>>>>> --
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