[Fixes #13646] : Use multilang entries in ISO19115 #14421
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| ######################################################################### | ||
| # | ||
| # Copyright (C) 2026 OSGeo | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| # | ||
| ######################################################################### | ||
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| @@ -0,0 +1,191 @@ | ||
| ######################################################################### | ||
| # | ||
| # Copyright (C) 2026 OSGeo | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation, either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| # | ||
| ######################################################################### | ||
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| import logging | ||
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| from django import template | ||
| from django.conf import settings | ||
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| from geonode.metadata.multilang.utils import ( | ||
| get_2letters_languages, | ||
| get_default_language, | ||
| get_3_from_2, | ||
| get_2_from_3, | ||
| get_multilang_field_name, | ||
| ) | ||
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| register = template.Library() | ||
| logger = logging.getLogger(__name__) | ||
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| def _is_multilang_field(field_name): | ||
| """Return whether a field is configured as multilingual.""" | ||
| return field_name in getattr(settings, "MULTILANG_FIELDS", ()) | ||
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| def _language_label(language_code_2, fallback): | ||
| """ | ||
| Return the display label for a configured language. | ||
| """ | ||
| language_labels = {code.split("-")[0]: label for code, label in settings.LANGUAGES} | ||
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| return language_labels.get(language_code_2, fallback) | ||
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| def _translation_value(metadata, field_name, language_code): | ||
| """Return the translated value for a multilingual field.""" | ||
| if not metadata: | ||
| return None | ||
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| return metadata.get(get_multilang_field_name(field_name, language_code)) | ||
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| def _has_translation(metadata, field_name, language_code): | ||
| """Return whether the field has a translation for the given language.""" | ||
| return bool( | ||
| _translation_value( | ||
| metadata, | ||
| field_name, | ||
| language_code, | ||
| ) | ||
| ) | ||
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| def _language_descriptor(lang_2, lang_3): | ||
| """Build the language descriptor used by the ISO template.""" | ||
| return { | ||
| "id": f"locale-{lang_2}", | ||
| "iso639_2": lang_3, | ||
| "label": _language_label(lang_2, lang_3), | ||
| "encoding": "utf8", | ||
| } | ||
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| @register.filter(name="is_multilang") | ||
| def is_multilang(field_name): | ||
| """Return whether the field is configured as multilingual.""" | ||
| return _is_multilang_field(field_name) | ||
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Contributor
There was a problem hiding this comment. why do we have both and which calls the 1-line |
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| @register.simple_tag(name="multilang_values") | ||
| def multilang_values(field_name, metadata): | ||
| """ | ||
| Return all translations for a multilingual field except the default | ||
| language. | ||
|
Comment on lines
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Contributor
There was a problem hiding this comment. Add the default as well.
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| """ | ||
| if not isinstance(metadata, dict) or not _is_multilang_field(field_name): | ||
| return [] | ||
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| default_language = get_default_language() | ||
| translations = [] | ||
| included_languages = set() | ||
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| for language_code in get_2letters_languages(): | ||
| if language_code == default_language or language_code in included_languages: | ||
| continue | ||
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| included_languages.add(language_code) | ||
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| translated_text = _translation_value( | ||
| metadata, | ||
| field_name, | ||
| language_code, | ||
| ) | ||
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| if translated_text: | ||
| translations.append( | ||
| { | ||
| "locale": language_code, | ||
| "text": translated_text, | ||
| } | ||
| ) | ||
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Contributor
There was a problem hiding this comment. This whole stuff becomes much simpler if you use 'get_multilang_field_names(base_name)` |
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| return translations | ||
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nrjadkry marked this conversation as resolved.
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| @register.simple_tag(name="language_info") | ||
| def language_info(lang_3): | ||
| """ | ||
| Return information about a single ISO639-2 language. | ||
| """ | ||
| if not lang_3: | ||
| lang_2 = get_default_language() | ||
| lang_3 = get_3_from_2(lang_2) or "eng" | ||
| elif len(lang_3) == 2: | ||
| lang_2 = lang_3 | ||
| lang_3 = get_3_from_2(lang_2) or "eng" | ||
| else: | ||
| lang_2 = get_2_from_3(lang_3) | ||
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| if lang_2 is None: | ||
| logger.warning( | ||
| "No ISO639-1 language found for '%s'; using the ISO639-2 code as the label.", | ||
| lang_3, | ||
| ) | ||
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| return _language_descriptor( | ||
| lang_2, | ||
| lang_3, | ||
| ) | ||
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etj marked this conversation as resolved.
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| @register.simple_tag(name="languages_info") | ||
| def languages_info(metadata, fields=None): | ||
| """ | ||
| Return descriptors for all translated languages present in the metadata. | ||
| """ | ||
| if not isinstance(metadata, dict): | ||
| return [] | ||
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| multilingual_fields = fields if fields is not None else getattr(settings, "MULTILANG_FIELDS", ()) | ||
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| default_language = get_default_language() | ||
| descriptors = [] | ||
| included_languages = set() | ||
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| for language_code in get_2letters_languages(): | ||
| if language_code == default_language or language_code in included_languages: | ||
| continue | ||
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| included_languages.add(language_code) | ||
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| if not any( | ||
| _has_translation(metadata, field_name, language_code) | ||
| for field_name in multilingual_fields | ||
| if _is_multilang_field(field_name) | ||
| ): | ||
| continue | ||
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Contributor
There was a problem hiding this comment. Please consider using 'get_all_multilang_fields()` |
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| lang_3 = get_3_from_2(language_code) | ||
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| if lang_3 is None: | ||
| logger.warning( | ||
| "No entry in settings.LANGUAGE_MAPPINGS for language '%s'; " "skipping this entry.", | ||
| language_code, | ||
| ) | ||
| continue | ||
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| descriptors.append( | ||
| _language_descriptor( | ||
| language_code, | ||
| lang_3, | ||
| ) | ||
| ) | ||
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| return descriptors | ||
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nrjadkry marked this conversation as resolved.
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pls leave the
__init__empty