def test_write_read_cycle(self):
format = BF.QR_CODE
text = "I have the best words."
img = zxing.write_barcode(format, text)
res = zxing.read_barcode(img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
def test_write_read_cycle(self):
format = BF.QRCode
text = "I have the best words."
img = zxing.write_barcode(format, text)
res = zxing.read_barcode(img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
self.assertEqual(res.orientation, 0)
self.assertEqual(res.position.topLeft.x, 4)
def test_write_read_oned_cycle(self):
format = BF.Code128
text = "I have the best words."
height = 80
width = 400
img = zxing.write_barcode(format, text, width=width, height=height)
self.assertEqual(img.shape[0], height)
self.assertEqual(img.shape[1], width)
res = zxing.read_barcode(img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
self.assertEqual(res.orientation, 0)
self.assertEqual(res.position.topLeft.x, 61)
def test_write_read_cycle_pil(self):
from PIL import Image
format = BF.QRCode
text = "I have the best words."
img = zxing.write_barcode(format, text)
img = Image.fromarray(img, "L")
res = zxing.read_barcode(img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
self.assertEqual(res.orientation, 0)
self.assertEqual(res.position.top_left.x, 4)
rgb_img = img.convert("RGB")
res = zxing.read_barcode(rgb_img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
self.assertEqual(res.orientation, 0)
self.assertEqual(res.position.top_left.x, 4)
rgba_img = img.convert("RGBA")
res = zxing.read_barcode(rgba_img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
self.assertEqual(res.orientation, 0)
self.assertEqual(res.position.top_left.x, 4)
bin_img = img.convert("1")
res = zxing.read_barcode(bin_img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
self.assertEqual(res.orientation, 0)
self.assertEqual(res.position.top_left.x, 4)
cmyk_img = img.convert("CMYK")
res = zxing.read_barcode(cmyk_img)
self.assertTrue(res.valid)
self.assertEqual(res.format, format)
self.assertEqual(res.text, text)
self.assertEqual(res.orientation, 0)
self.assertEqual(res.position.top_left.x, 4)
import sys
import zxing
from PIL import Image
if len(sys.argv) < 3:
img = zxing.write_barcode(zxing.BarcodeFormat.QR_CODE,
"I have the best words.",
width=200,
height=200)
else:
img = zxing.write_barcode(zxing.barcode_format_from_str(sys.argv[1]),
sys.argv[2],
width=200,
height=200)
Image.fromarray(img).save("test.png")