def genBar(file, scale, imType):
writer = ImageWriter()
writer.dpi = 100 * scale
writer.module_height = 25.0
writer.format = imType
CODE = barcode.get_barcode_class('code128')
code = CODE(unicode(file), writer)
bar = code.save('barcode')
img = cv2.imread("barcode." + imType)
os.remove("barcode." + imType)
crop_img = img[0:69 * scale, 0:460 * scale]
large = cv2.resize(crop_img, (0, 0), fx=1.5, fy=1.5)
return large
