1 files changed, 53 insertions, 0 deletions
diff --git a/graphics/qtqr/files/patch-qrtools.py b/graphics/qtqr/files/patch-qrtools.py
new file mode 100644
index 000000000000..24f3ceb102fd
--- /dev/null
+++ b/graphics/qtqr/files/patch-qrtools.py
@@ -0,0 +1,53 @@
+--- qrtools.py.orig	2020-07-15 18:00:04 UTC
++++ qrtools.py
+@@ -29,6 +29,7 @@ import sys
+ import time
+ import shutil
+ import hashlib
++import numpy as np
+ try:
+     import zbar
+ except ImportError:
+@@ -210,35 +211,19 @@ class QR(object):
+     def decode(self, filename=None, image=None):
+         self.filename = filename or self.filename
+         if self.filename is not None or image is not None:
+-            scanner = zbar.ImageScanner()
+-            # configure the reader
+-            scanner.parse_config('enable')
+-            # obtain image data
+-            if image is not None:
+-                pil = image.convert('L')
+-            else:
+-                pil = Image.open(self.filename).convert('L')
+-            width, height = pil.size
+-            try:
+-                raw = pil.tostring()
+-            except:
+-                raw = pil.tobytes()
+-            # wrap image data
+-            image = zbar.Image(width, height, 'Y800', raw)
+-            # scan the image for barcodes
++            image = np.array(Image.open(self.filename).convert('L'))
++            scanner = zbar.Scanner()
+             result = scanner.scan(image)
++
+             # extract results
+             if result == 0: 
+                 return False
+             else:
+-                for symbol in image:
+-                    pass
+-                # clean up
+                 del(image)
+-                #Assuming data is encoded in utf8
+-                self.data = symbol.data
+-                self.data_type = self.data_recognise()
+-                return True
++                for res in result:
++                    self.data = res.data.decode('utf8')
++                    self.data_type = self.data_recognise()
++                    return True
+         else:
+             return False
+