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34 lines
850 B
34 lines
850 B
5 years ago
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import re
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from logging import NullHandler, getLogger
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import babelfish
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from ..rule import Rule
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logger = getLogger(__name__)
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logger.addHandler(NullHandler())
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class LanguageRule(Rule):
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"""Language rules."""
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name_re = re.compile(r'(?P<name>\w+)\b', re.IGNORECASE)
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def execute(self, props, pv_props, context):
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"""Language detection using name."""
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if 'language' in props:
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return
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if 'name' in props:
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name = props.get('name', '')
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match = self.name_re.match(name)
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if match:
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try:
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return babelfish.Language.fromname(match.group('name'))
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except babelfish.Error:
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pass
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logger.info('Invalid %s: %r', self.description, name)
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