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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