[Python-ideas] PEP 506: some thoughts on the output length of token_bytes (and why I think it should be split in half)

[Chris Angelico]

On Tue, Mar 13, 2018 at 1:04 AM, Antoine Pitrou <solipsis at pitrou.net> wrote:
> (I'm not sure what "smaller QR code" means. Given a QR code is
> basically a computer analysis-friendly glyph that you show your phone
> or other device to perform pattern recognition on, why does it matter
> whether the QR code is "small" or not?)

A QR code encoding more data requires finer resolution at the same
size. That means the camera needs to be closer to it, all else being
equal. If you keep stuffing more data into it, eventually the QR code
ends up looking like the patented Monitor Grit that we do our best to
avoid. :)

ChrisA