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from typing import List |
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from django import forms |
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from django.conf import settings |
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from .widgets import LocalizedFieldWidget, LocalizedCharFieldWidget |
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from .fields.localized_value import LocalizedValue, LocalizedStingValue |
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class LocalizedFieldForm(forms.MultiValueField): |
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"""Form for a localized field, allows editing |
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the field in multiple languages.""" |
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widget = LocalizedFieldWidget |
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value_class = LocalizedValue |
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def __init__(self, *args, **kwargs): |
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"""Initializes a new instance of :see:LocalizedFieldForm.""" |
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fields = [] |
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for lang_code, _ in settings.LANGUAGES: |
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field_options = {'required': False} |
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if lang_code == settings.LANGUAGE_CODE: |
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field_options['required'] = kwargs.get('required', True) |
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field_options['label'] = lang_code |
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fields.append(forms.fields.CharField(**field_options)) |
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super(LocalizedFieldForm, self).__init__( |
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fields, |
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require_all_fields=False, |
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*args, **kwargs |
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) |
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# set 'required' attribute for each widget separately |
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for f, w in zip(self.fields, self.widget.widgets): |
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w.is_required = f.required |
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def compress(self, value: List[str]) -> value_class: |
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"""Compresses the values from individual fields |
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into a single :see:LocalizedValue instance. |
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Arguments: |
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value: |
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The values from all the widgets. |
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Returns: |
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A :see:LocalizedValue containing all |
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the value in several languages. |
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""" |
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localized_value = self.value_class() |
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for (lang_code, _), value in zip(settings.LANGUAGES, value): |
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localized_value.set(lang_code, value) |
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return localized_value |
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class LocalizedCharFieldForm(LocalizedFieldForm): |
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widget = LocalizedCharFieldWidget |
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value_class = LocalizedStingValue |
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class LocalizedTextFieldForm(LocalizedFieldForm): |
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value_class = LocalizedStingValue |
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SectorLabs /
django-localized-fields
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