log.py 文件源码

python
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项目:nav 作者: UNINETT 项目源码 文件源码
def __get__(self, obj, owner=None):
        target = owner if obj is None else obj
        if hasattr(target, self.log_attr):
            return getattr(target, self.log_attr)

        logger = logging.getLogger(self._logger_name(owner))
        if target is obj:
            if self.context_vars:
                extra = dict((k, getattr(target, k, None))
                              for k in self.context_vars)
            elif hasattr(target, '_log_context'):
                extra = getattr(target, '_log_context')
            else:
                extra = _context_search(inspect.currentframe())

            if extra:
                logger = logging.LoggerAdapter(logger, extra)

        setattr(target, self.log_attr, logger)
        return logger
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