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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Nondeterministic string hashing in Python(\u003e3.3)","articleBody":"I was running into some weird issues with incorrect caching to file a function applied to a string.\r\n\r\nThis is because python(\u003e3.3) salts its hashing function. (for strings at least)\r\nSpecifically:\r\n```\r\n\u003e python -c \"print(hash('asdf'))\"\r\n-8690208562067163084\r\n\u003e python -c \"print(hash('asdf'))\"\r\n-4220296486527231708\r\n```\r\n\r\nThe fix for this is to pass in `PYTHONHASHSEED=1`.\r\nThe 'proper' fix would be to substitute the internal hash function for something more suitable, however I couldn't immediately see the right place to inject that.\r\n\r\n\u003e PYTHONHASHSEED=1 python -c \"print(hash('asdf'))\"\r\n-5132432945605986887\r\n\u003e PYTHONHASHSEED=1 python -c \"print(hash('asdf'))\"\r\n-5132432945605986887","author":{"url":"https://github.com/Cjen1","@type":"Person","name":"Cjen1"},"datePublished":"2023-03-06T14:44:19.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/52/pythonflow/issues/52"}