defaultfilters.py 文件源码

def time(value, arg=None):
    """Formats a time according to the given format."""
    if value in (None, ''):
        return ''
    try:
        return formats.time_format(value, arg)
    except (AttributeError, TypeError):
        try:
            return time_format(value, arg)
        except (AttributeError, TypeError):
            return ''