[Numpy-discussion] casting from datetime64
alex at alexsamuel.net
Mon May 13 00:35:58 EDT 2019
When registering a custom cast function from datetime64 to another dtype, how can I get the units?
I am calling PyArray_RegisterCastFunc from NPY_DATETIME. Ideally, I'd like to register a separate cast function for each datetime64 units (or none at all... I don't want all units to be castable). Next best thing would be to obtain the units in the cast function and dispatch accordingly.
Is this possible? I glanced through the code, and it looks like there's a lot of hard-coded logic around datetime64, but I didn't go through it carefully. Thought I'd ask before drilling further down.
Thanks in advance,
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