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bazarr/libs/knowit/rules/general.py

32 lines
791 B

import re
from logging import NullHandler, getLogger
import babelfish
from knowit.core import Rule
logger = getLogger(__name__)
logger.addHandler(NullHandler())
class LanguageRule(Rule):
"""Language rules."""
name_re = re.compile(r'(?P<name>\w+)\b', re.IGNORECASE)
def execute(self, props, pv_props, context):
"""Language detection using name."""
if 'language' in props:
return
if 'name' in props:
name = props.get('name', '')
match = self.name_re.match(name)
if match:
try:
return babelfish.Language.fromname(match.group('name'))
except babelfish.Error:
pass
logger.info('Invalid %s: %r', self.description, name)