[Python] memoize to disk - Python - persistent memoization

Is there a way to memoize the output of a function to disk?

I have a function

def getHtmlOfUrl(url):
... # expensive computation


and would like to do something like:

def getHtmlMemoized(url) = memoizeToFile(getHtmlOfUrl, "file.dat")


and then call getHtmlMemoized(url), to do the expensive computation only once for each url.

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