Created
April 5, 2019 02:20
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a little helper function to be used with qrcode to print compact QR codes in terminal using a custom font and Unicode EE00-EEFF
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| from collections import defaultdict | |
| import qrcode | |
| a = [[0, 1, 1, 1, 0, 1, 0], | |
| [1, 0, 0, 0, 1, 1, 0], | |
| [0, 1, 1, 1, 0, 1, 0], | |
| [0, 1, 1, 1, 0, 1, 0], | |
| [0, 1, 1, 1, 0, 1, 0], | |
| [0, 1, 1, 1, 0, 1, 0], | |
| [0, 1, 1, 1, 0, 1, 0]] | |
| map = [[1,8], | |
| [2,16], | |
| [4,32], | |
| [64,128]] | |
| data = "does this work? and if so, how big could I make this text? do large QRcodes still fit on the screen? .. is this text way too big?" | |
| brailledecimal = 10240 | |
| qrdecimal = 60928 | |
| def qrunicode(data): | |
| code = qrcode.QRCode() | |
| code.add_data(data) | |
| code.border=1 | |
| matrix = code.get_matrix() | |
| chars = defaultdict(int) | |
| for y, r in enumerate(matrix): | |
| yc, ymap = divmod(y, 4) | |
| ymax = yc | |
| for x, b in enumerate(r): | |
| xc, xmap = divmod(x, 2) | |
| xmax = xc | |
| if b: | |
| chars[yc,xc] += map[ymap][xmap] | |
| stringList = [] | |
| for y in range(0, ymax + 1): | |
| string = "" | |
| for x in range(0, xmax + 1): | |
| string += chr(qrdecimal + chars[y, x]) | |
| stringList.append(string) | |
| return "\n".join(stringList) |
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