not supported between instances of 'SafeText' and 'int' 问题出现以及解决

1、今天更新完代码，突然间报了这个错误：'<' not supported between instances of 'SafeText' and 'int'

2、主要代码如下，其中是最后一行报错的：

    if value is not None and value != '':# 将要格式化的数值转成字符串对象if type(value) == 'str':value = valueval = Decimal(value)else:val = valuevalue = str(value)# 处理负数flag = '-' if val < 0 else ''

意思就是SafeText的不能和int做小于判断，断点调试，发现传过来的value类型是一个如下图的东西：

3、使用下面代码输入其类型：

print(type(value))

发现类型为<class 'django.utils.safestring.SafeText'>，安全文本类型，因此代码底下的if条件不通过，走到else里了，而val直接赋值为value了，所以后面判断时就会报上面的错误

4、修改代码如下：

    if value is not None and value != '':# 将要格式化的数值转成字符串对象if type(value) == 'str':value = valueval = Decimal(value)else:val = Decimal(value)value = str(value)# 处理负数flag = '-' if val < 0 else ''

5、这样就不会报错了，暂时解决办法，以上内容仅供学习参考，谢谢！

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