def takePictureCb(self, requestCode, resultCode, intent):
if requestCode != CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE:
return
if resultCode != Activity.RESULT_OK:
displayError(_("No image taken."))
return
stream = ByteArrayOutputStream()
done = intent.getExtras().get('data').compress(
CompressFormat.PNG, 100, stream)
stream.close()
if not done:
displayError(_("Failed to compress image."))
return
ba = stream.toByteArray()
stream = None
img = None
try:
stream = StringIO(str(bytearray(ba)))
img = Image.open(stream)
except IOError as e:
if stream:
stream.close()
displayError(e)
return
codes = img_decode.read_qr_codes(img)
stream.close()
if len(codes) < 1:
displayError(_("No QR codes found."))
else:
self.receiptInput.text = codes[0]
self.selectInputType('QR')
def loadReceiptCb(self, path, filename):
if not filename or len(filename) < 1:
return
full = os.path.join(path, filename[0])
try:
with open(full, mode='rb') as f:
img = Image.open(f)
codes = img_decode.read_qr_codes(img)
if len(codes) < 1:
displayError(_("No QR codes found."))
else:
self.receiptInput.text = codes[0]
self.selectInputType('QR')
App.get_running_app().curSearchPath = path
except IOError:
try:
with open(full) as f:
self.receiptInput.text = f.read().strip()
except (IOError, UnicodeDecodeError) as e:
displayError(e)
self.dismissPopup()