done

lib/python3.11/site-packages/i18n/translator.py

@@ -0,0 +1,73 @@
+from string import Template
+
+from . import config
+from . import resource_loader
+from . import translations
+
+
+class TranslationFormatter(Template):
+    delimiter = config.get('placeholder_delimiter')
+
+    def __init__(self, template):
+        super(TranslationFormatter, self).__init__(template)
+
+    def format(self, **kwargs):
+        if config.get('error_on_missing_placeholder'):
+            return self.substitute(**kwargs)
+        else:
+            return self.safe_substitute(**kwargs)
+
+
+def t(key, **kwargs):
+    locale = kwargs.pop('locale', config.get('locale'))
+    if translations.has(key, locale):
+        return translate(key, locale=locale, **kwargs)
+    else:
+        resource_loader.search_translation(key, locale)
+        if translations.has(key, locale):
+            return translate(key, locale=locale, **kwargs)
+        elif locale != config.get('fallback'):
+            return t(key, locale=config.get('fallback'), **kwargs)
+    if 'default' in kwargs:
+        return kwargs['default']
+    if config.get('error_on_missing_translation'):
+        raise KeyError('key {0} not found'.format(key))
+    else:
+        return key
+
+
+def translate(key, **kwargs):
+    locale = kwargs.pop('locale', config.get('locale'))
+    translation = translations.get(key, locale=locale)
+    if 'count' in kwargs:
+        translation = pluralize(key, translation, kwargs['count'])
+    return TranslationFormatter(translation).format(**kwargs)
+
+
+def pluralize(key, translation, count):
+    return_value = key
+    try:
+        if type(translation) != dict:
+            return_value = translation
+            raise KeyError('use of count witouth dict for key {0}'.format(key))
+        if count == 0:
+            if 'zero' in translation:
+                return translation['zero']
+        elif count == 1:
+            if 'one' in translation:
+                return translation['one']
+        elif count <= config.get('plural_few'):
+            if 'few' in translation:
+                return translation['few']
+        # TODO: deprecate other
+        if 'other' in translation:
+            return translation['other']
+        if 'many' in translation:
+            return translation['many']
+        else:
+            raise KeyError('"many" not defined for key {0}'.format(key))
+    except KeyError as e:
+        if config.get('error_on_missing_plural'):
+            raise e
+        else:
+            return return_value