启动django的服务时候报错RuntimeError: maximum recursion depth exceeded in cmp

最新推荐文章于 2024-08-06 17:10:31 发布

爱唱歌de小青蛙

最新推荐文章于 2024-08-06 17:10:31 发布

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原文：http://blog.youkuaiyun.com/yingzinanfei/article/details/54862551

启动django服务时报错：

RuntimeError: maximum recursion depth exceeded in cmp

解决方法：

原因出自Python\Lib\fuctools.py

把

convert = {
    '__lt__': [('__gt__', lambda self, other: other < self),
               ('__le__', lambda self, other: not other < self),
               ('__ge__', lambda self, other: not self < other)],
    '__le__': [('__ge__', lambda self, other: other <= self),
               ('__lt__', lambda self, other: not other <= self),
               ('__gt__', lambda self, other: not self <= other)],
    '__gt__': [('__lt__', lambda self, other: other > self),
               ('__ge__', lambda self, other: not other > self),
               ('__le__', lambda self, other: not self > other)],
    '__ge__': [('__le__', lambda self, other: other >= self),
               ('__gt__', lambda self, other: not other >= self),
               ('__lt__', lambda self, other: not self >= other)]
}

修改为：

convert = {
		'__lt__': [('__gt__', lambda self, other: not (self < other or self == other)),
				   ('__le__', lambda self, other: self < other or self == other),
				   ('__ge__', lambda self, other: not self < other)],
		'__le__': [('__ge__', lambda self, other: not self <= other or self == other),
				   ('__lt__', lambda self, other: self <= other and not self == other),
				   ('__gt__', lambda self, other: not self <= other)],
		'__gt__': [('__lt__', lambda self, other: not (self > other or self == other)),
				   ('__ge__', lambda self, other: self > other or self == other),
				   ('__le__', lambda self, other: not self > other)],
		'__ge__': [('__le__', lambda self, other: (not self >= other) or self == other),
				   ('__gt__', lambda self, other: self >= other and not self == other),
				   ('__lt__', lambda self, other: not self >= other)]
	}