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from django.conf import settings |
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from django.utils import translation |
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class LocalizedValue: |
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"""Represents the value of a :see:LocalizedField.""" |
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default_value = None |
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def __init__(self, keys: dict=None): |
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"""Initializes a new instance of :see:LocalizedValue. |
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Arguments: |
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keys: |
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The keys to initialize this value with. Every |
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key contains the value of this field in a |
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different language. |
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""" |
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# NOTE(seroy): First fill all the keys default values, |
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# in order to attributes will be for each language |
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for lang_code, _ in settings.LANGUAGES: |
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value = keys.get(lang_code) if isinstance(keys, dict) else self.default_value |
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self.set(lang_code, value) |
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if isinstance(keys, str): |
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setattr(self, settings.LANGUAGE_CODE, keys) |
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def get(self, language: str=None) -> str: |
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"""Gets the underlying value in the specified or |
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primary language. |
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Arguments: |
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language: |
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The language to get the value in. |
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Returns: |
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The value in the current language, or |
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the primary language in case no language |
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was specified. |
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""" |
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language = language or settings.LANGUAGE_CODE |
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return getattr(self, language, None) |
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def set(self, language: str, value: str): |
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"""Sets the value in the specified language. |
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Arguments: |
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language: |
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The language to set the value in. |
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value: |
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The value to set. |
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""" |
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setattr(self, language, value) |
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return self |
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def deconstruct(self) -> dict: |
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"""Deconstructs this value into a primitive type. |
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Returns: |
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A dictionary with all the localized values |
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contained in this instance. |
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""" |
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path = 'localized_fields.fields.LocalizedValue' |
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return path, [self.__dict__], {} |
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def __str__(self) -> str: |
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"""Gets the value in the current language, or falls |
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back to the primary language if there's no value |
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in the current language.""" |
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value = self.get(translation.get_language()) |
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if not value: |
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value = self.get(settings.LANGUAGE_CODE) |
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return value or '' |
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def __repr__(self): # pragma: no cover |
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"""Gets a textual representation of this object.""" |
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return '%s<%s> 0x%s' % (self.__class__.__name__, |
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self.__dict__, id(self)) |
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class LocalizedStingValue(LocalizedValue): |
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default_value = '' |
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SectorLabs /
django-localized-fields
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