find_entities.py 文件源码

def setup(self, config):
    """
    Compile configured regular expressions.

    :param config: Configuration object.
    :type config: ``dict``
    """
    self.matches = {}

    patterns = []

    for entity_type, pattern_conf in config.get(helper.ENTITIES, {}).items():
      patterns.append(
          r'\b(?P<{}>{})\b'.format(entity_type, pattern_conf[helper.PATTERN]))

    self.pattern = regex.compile(
        '|'.join(patterns),
        regex.I | regex.U)