def prn_qr(self, text, *args, **kwargs):
""" Print QR Code for the provided string """
qr_args = dict(
version=4,
box_size=5,
border=1,
error_correction=qrcode.ERROR_CORRECT_M
)
qr_args.update(kwargs)
qr_code = qrcode.QRCode(**qr_args)
qr_code.add_data(text)
qr_code.make(fit=True)
qr_img = qr_code.make_image()
im = qr_img._img.convert("RGB")
self._print_image(im,1,0)
python类ERROR_CORRECT_M的实例源码
def prn_qr(self, text, *args, **kwargs):
""" Print QR Code for the provided string """
qr_args = dict(
version=4,
box_size=4,
border=1,
error_correction=qrcode.ERROR_CORRECT_M
)
qr_args.update(kwargs)
qr_code = qrcode.QRCode(**qr_args)
qr_code.add_data(text)
qr_code.make(fit=True)
qr_img = qr_code.make_image()
im = qr_img._img.convert("RGB")
return self.print_image(im)
def qr(self, text,size, *args, **kwargs):
""" Print QR Code for the provided string """
qr_args = dict(
version=4,
box_size=size,
border=1,
error_correction=qrcode.ERROR_CORRECT_M
)
qr_args.update(kwargs)
qr_code = qrcode.QRCode(**qr_args)
qr_code.add_data(text)
qr_code.make(fit=True)
qr_img = qr_code.make_image()
im = qr_img._img.convert("RGB")
# Convert the RGB image in printable image
self._convert_image(im)
def create_qrcode(data='QR Code Symbol'):
"""qrcode create"""
qr = QRCode(error_correction=ERROR_CORRECT_M)
qr.add_data(data, optimize=False)
qr.make()
def svg_qrcode_path(data='QR Code Symbol'):
"""qrcode SVG path"""
qr = QRCode(error_correction=ERROR_CORRECT_M, box_size=10,
image_factory=SvgPathImage)
qr.add_data(data, optimize=False)
qr.make_image().save('out/qrcode_path_%s.svg' % data)
def svg_qrcode_rects(data='QR Code Symbol'):
"""qrcode SVG rects"""
qr = QRCode(error_correction=ERROR_CORRECT_M, box_size=10,
image_factory=SvgImage)
qr.add_data(data, optimize=False)
qr.make_image().save('out/qrcode_rects_%s.svg' % data)
def png_qrcode(data='QR Code Symbol'):
"""qrcode PNG"""
qr = QRCode(error_correction=ERROR_CORRECT_M, box_size=10)
qr.add_data(data, optimize=False)
qr.make_image().save('out/qrcode_%s.png' % data)
def qrcode_view(request, key):
wallet = get_object_or_404(Wallet, key=key)
img = qrcode.make(
wallet.bcaddr_uri, box_size=6, error_correction=qrcode.ERROR_CORRECT_M)
output = StringIO.StringIO()
img.save(output, "PNG")
c = output.getvalue()
return HttpResponse(c, content_type="image/png")
def qrcode_img(text):
img = qrcode.make(text, box_size=2, error_correction=qrcode.ERROR_CORRECT_M)
output = StringIO.StringIO()
img.save(output, "PNG")
c = output.getvalue()
return c
