On Mon, Sep 14, 2015 at 3:49 PM, Tim Peters <tim.pet...@gmail.com> wrote:
> It depends on how expensive .utcoffset() > is, which in turn depends on how the tzinfo author implements it. > No, it does not. In most time zones, UTC offset in seconds can be computed by C code as a 4-byte integer faster than CPython can look up the .utcoffset method. (At least for times within a few years around now.) A programmer who makes it slower should be fired. Yet I agree, "'premature optimization' applies at this time."
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