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import io
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import yaml
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from django.conf import settings
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from jinja2 import Environment
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def translate(key, i18n, lang):
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lang = settings.LANGUAGE_CODE if lang is None else lang
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lang = lang[:2]
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lang_data = i18n.get(key, {})
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return lang_data.get(lang, key)
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def yaml_load_with_i18n(stream, lang):
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ori_text = stream.read()
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stream = io.StringIO(ori_text)
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yaml_data = yaml.safe_load(stream)
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i18n = yaml_data.get('i18n', {})
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env = Environment()
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env.filters['trans'] = lambda key: translate(key, i18n, lang)
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template = env.from_string(ori_text)
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yaml_data = template.render()
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yaml_f = io.StringIO(yaml_data)
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d = yaml.safe_load(yaml_f)
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if isinstance(d, dict):
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d.pop('i18n', None)
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return d
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if __name__ == '__main__':
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with open('manifest.yml') as f:
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data = yaml_load_with_i18n(f)
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print(data)
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