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Update the contents of a wheel in a generic way. The modifier should
be a callable which expects a dictionary argument: its keys are
archive-entry paths, and its values are absolute filesystem paths
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modifier is free to change the contents of the files pointed to, add
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wheel is written there -- otherwise, the original wheel is overwritten.
The modifier should return True if it updated the wheel, else False.
This method returns the same value the modifier returns.
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Return (pyver, abi, arch) tuples compatible with this Python.
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