add qr code

.gitignore

@@ -6,3 +6,5 @@ env/
 *.json
 cloud-functions/python/functions/__pycache__/
 *.pkl
+*.png
+*.svg

requirements.txt

@@ -46,6 +46,7 @@ PyJWT==2.8.0
 pyparsing==3.1.1
 pypdf==3.15.4
 pypng==0.20220715.0
+PyQRCode==1.2.1
 pyserial==3.5
 python-bidi==0.4.2
 python-dateutil==2.8.2

scripts/qrcode.py

@@ -0,0 +1,17 @@
+# Import QRCode from pyqrcode
+import pyqrcode
+import png
+from pyqrcode import QRCode
+import sys
+  
+# String which represents the QR code
+s = sys.argv[1]
+print(s) 
+# Generate QR code
+url = pyqrcode.create(s)
+  
+# Create and save the svg file naming "myqr.svg"
+url.svg("myqr.svg", scale = 8)
+  
+# Create and save the png file naming "myqr.png"
+url.png('myqr.png', scale = 6)