Update barcode_scanner.py

Author: palaniga

barcode_scanner/barcode_scanner.py

@@ -1,29 +1,32 @@
+#!/usr/bin/python
 from pyzbar.pyzbar import decode
 from glob import glob
 import cv2
 
+
 def barcode(decoded, image):
-    imge = cv2.rectangle(image, (decoded.rect.left,
-           decoded.rect.top), (decoded.rect.left + decoded.rect.width,
-           decoded.rect.top + decoded.rect.height),
-           color=(0, 255, 0), thickness=5)
+    imge = cv2.rectangle(image, (decoded.rect.left, decoded.rect.top),
+                         (decoded.rect.left + decoded.rect.width,
+                         decoded.rect.top + decoded.rect.height),
+                         color=(0, 255, 0), thickness=5)
     return imge
 
+
 def scan(image):
     dcode = decode(image)
     for obj in dcode:
-        print("Given barcode:", obj)
+        print ('Given barcode:', obj)
         image = barcode(obj, image)
-        print("Barcode Type:", obj.type)
-        print("Scanned Data:", obj.data)
-        print()
+        print ('Barcode Type:', obj.type)
+        print ('Scanned Data:', obj.data)
+        print ()
     return image
 
 
-data = input("Enter the path of the barcode")
-dat = glob(data)
-for code in dat:
+dat = input('Enter the path of the barcode')
+data = glob(dat)
+for code in data:
     img = cv2.imread(code)
     img = scan(img)
-    cv2.imshow("img", img)
+    cv2.imshow('img', img)
     cv2.waitKey(0)