def main(args=None):
if args is None:
args = sys.argv[1:]
parser = argparse.ArgumentParser(
description='Reads barcodes in images, using the zbar library'
)
parser.add_argument('image', nargs='+')
parser.add_argument(
'-v', '--version', action='version',
version='%(prog)s ' + pyzbar.__version__
)
args = parser.parse_args(args)
from PIL import Image
for image in args.image:
for barcode in decode(Image.open(image)):
print(barcode.data)
def test_decode_qrcode_rotated(self):
"Read barcode in `qrcode_rotated.png`"
# Test computation of the polygon around the barcode
res = decode(self.qrcode_rotated)
self.assertEqual(self.EXPECTED_QRCODE_ROTATED, res)
def test_symbols(self):
"Read only qrcodes in `qrcode.png`"
res = decode(self.qrcode, symbols=[ZBarSymbol.QRCODE])
self.assertEqual(self.EXPECTED_QRCODE, res)
def test_decode_code128(self):
"Read both barcodes in `code128.png`"
res = decode(self.code128)
self.assertEqual(self.EXPECTED_CODE128, res)
def test_decode_qrcode(self):
"Read barcode in `qrcode.png`"
res = decode(self.qrcode)
self.assertEqual(self.EXPECTED_QRCODE, res)
def test_decode_opencv(self):
"Read image using OpenCV"
res = decode(cv2.imread(str(TESTDATA.joinpath('code128.png'))))
self.assertEqual(self.EXPECTED_CODE128, res)
def test_decode_numpy(self):
"Read image using Pillow and convert to numpy.ndarray"
res = decode(np.asarray(self.code128))
self.assertEqual(self.EXPECTED_CODE128, res)
def test_empty(self):
"Do not show any output for an image that does not contain a barcode"
res = decode(self.empty)
self.assertEqual([], res)
def test_decode_tuple(self):
"Read barcodes in pixels"
pixels = self.code128.copy().convert('L').tobytes()
width, height = self.code128.size
res = decode((pixels, width, height))
self.assertEqual(self.EXPECTED_CODE128, res)
def test_symbols_not_present(self):
"Read only code128 in `qrcode.png`"
res = decode(self.qrcode, symbols=[ZBarSymbol.CODE128])
self.assertEqual([], res)
