timezone.py 文件源码

python
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项目:CodingDojo 作者: ComputerSocietyUNB 项目源码 文件源码
def template_localtime(value, use_tz=None):
    """
    Checks if value is a datetime and converts it to local time if necessary.

    If use_tz is provided and is not None, that will force the value to
    be converted (or not), overriding the value of settings.USE_TZ.

    This function is designed for use by the template engine.
    """
    should_convert = (isinstance(value, datetime)
        and (settings.USE_TZ if use_tz is None else use_tz)
        and not is_naive(value)
        and getattr(value, 'convert_to_local_time', True))
    return localtime(value) if should_convert else value


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