Python qrcode 模块，QRCode() 实例源码

我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用qrcode.QRCode()。

项目：postix 作者：c3cashdesk | 项目源码 | 文件源码

def get_qr_image(session: CashdeskSession) -> TemporaryFile:
    # TODO: check qr code
    qr = qrcode.QRCode(
        version=1,
        error_correction=qrcode.constants.ERROR_CORRECT_H,
        box_size=10,
        border=4,
    )
    tz = timezone.get_current_timezone()
    data = '{end}\tEinnahme\t{total}\tKassensession\t#{pk}\t{supervisor}\t{user}'.format(
        end=session.end.astimezone(tz).strftime('%d.%m.%Y\t%H:%M:%S'),
        total='{0:,.2f}'.format(session.get_cash_transaction_total()).translate(str.maketrans(',.', '.,')),
        pk=session.pk,
        supervisor=session.backoffice_user_after.get_full_name(),
        user=session.user.get_full_name(),
    )
    qr.add_data(data)
    qr.make()

    f = TemporaryFile()
    img = qr.make_image()
    img.save(f)
    return f

项目：handfontgen 作者：nixeneko | 项目源码 | 文件源码

def _getqrtag(self, text, rect):
        qr = qrcode.QRCode(error_correction=qrcode.constants.ERROR_CORRECT_L)
        qr.add_data(text)
        qr.make(fit=True)
        img = qr.make_image()
        bio = io.BytesIO()
        img.save(bio)

        pngqr = bio.getvalue()
        base64qr = base64.b64encode(pngqr)
        #<image x="110" y="20" width="280px" height="160px" xlink:href="data:image/png;base64,……"/>
        imagetag = ElementTree.Element("image")
        imagetag.set("xlink:href", "data:image/png;base64,"+base64qr.decode("ascii"))
        imagetag.set("x", str(rect.x))
        imagetag.set("y", str(rect.y))
        imagetag.set("width", str(rect.w))
        imagetag.set("height", str(rect.h))
        return imagetag

项目：Lilith 作者：RitterHou | 项目源码 | 文件源码

def get_qrcode_by_text(text):
    """
    ?????????????????
    :param text:
    :return:
    """
    qr = qrcode.QRCode(
        version=1,
        error_correction=qrcode.constants.ERROR_CORRECT_Q,
        box_size=STEP,
        border=0,
    )
    qr.add_data(text)
    qr.make(fit=True)

    img = qr.make_image()
    return _get_ascii(img)

项目：Trity 作者：toxic-ig | 项目源码 | 文件源码

def gen_qrcode():
    url = raw_input(''+T+'' + color.UNDERLINE + 'Website or text>' + color.END)
    print ""+C+"Enter the name of the output file without the extension"
    name = raw_input(''+T+'' + color.UNDERLINE + 'Output>' + color.END)
    qr = qrcode.QRCode(5, error_correction=qrcode.constants.ERROR_CORRECT_L)
    qr.add_data(url)
    qr.make()
    im = qr.make_image()
    time.sleep(1)

    qr_img_path = os.path.join(name + ".png")

    if os.path.isfile(qr_img_path):
        os.remove(qr_img_path)
    # save the image out
    im.save(qr_img_path, format='png')
    # print that its been successful
    print(""+G+"[!] " + color.UNDERLINE + "QRCode has been generated!" + color.END)

项目：WeixinBot 作者：Urinx | 项目源码 | 文件源码

def _showQRCodeImg(self, str):
        if self.commandLineQRCode:
            qrCode = QRCode('https://login.weixin.qq.com/l/' + self.uuid)
            self._showCommandLineQRCode(qrCode.text(1))
        else:
            url = 'https://login.weixin.qq.com/qrcode/' + self.uuid
            params = {
                't': 'webwx',
                '_': int(time.time())
            }

            data = self._post(url, params, False)
            if data == '':
                return
            QRCODE_PATH = self._saveFile('qrcode.jpg', data, '_showQRCodeImg')
            if str == 'win':
                os.startfile(QRCODE_PATH)
            elif str == 'macos':
                subprocess.call(["open", QRCODE_PATH])
            else:
                return

项目：QR-Replace 作者：Metruption | 项目源码 | 文件源码

def insertQR(image, data):
    '''
    @params:
        image is the image that we'll be messing with
        data is what will be encoded in the QR code
    inserts a QR code into the image at the specified bounds
    the new qr code should fit the bounds and seem natural (like it was the original imge)
    '''
    qr_gen = qrcode.QRCode(
        version = None,
        box_size = 4,
        border = 0
    );
    qr_gen.add_data(data)
    qr_gen.make(fit=True)

    qrCode = qr_gen.make_image()
    pgram = scanImage2(image)
    #pgram = expandParallelogram(pgram, 15)
    return warpImage(image, qrCode, pgram)

项目：c3nav 作者：c3nav | 项目源码 | 文件源码

def qr_code(request, path):
    data = (request.build_absolute_uri('/'+path) +
            ('?'+request.META['QUERY_STRING'] if request.META['QUERY_STRING'] else ''))
    if len(data) > 256:
        return HttpResponseBadRequest()

    qr = qrcode.QRCode(
        version=1,
        error_correction=qrcode.constants.ERROR_CORRECT_L,
        box_size=10,
        border=2,
    )
    qr.add_data(data)
    qr.make(fit=True)

    response = HttpResponse(content_type='image/png')
    qr.make_image().save(response, 'PNG')
    return response

项目：open-synthesis 作者：twschiller | 项目源码 | 文件源码

def make_qr_code(message, error_correction=qrcode.constants.ERROR_CORRECT_M, box_size=10, border=4):
    """Return an in-memory SVG QR code containing the given message."""
    # https://pypi.python.org/pypi/qrcode/5.3
    # qrcode.constants.ERROR_CORRECT_M means about 15% or less errors can be corrected.
    code = qrcode.QRCode(
        version=1,
        error_correction=error_correction,
        box_size=box_size,
        border=border,
    )
    code.add_data(message)
    code.make(fit=True)
    img = code.make_image(image_factory=SvgPathImage)
    raw = BytesIO()
    img.save(raw)
    raw.flush()
    return raw

项目：IceCash2 作者：redeyser | 项目源码 | 文件源码

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)

项目：IceCash2 作者：redeyser | 项目源码 | 文件源码

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)

项目：IceCash2 作者：redeyser | 项目源码 | 文件源码

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)

项目：modelreg 作者：modelreg | 项目源码 | 文件源码

def profile_qrcode_img(req):

    pprof, pp_created = models.PublicProfile.objects.get_or_create(
        user=req.user
    )
    response = HttpResponse(content_type="image/png")

    qr = qrcode.QRCode(
        error_correction=qrcode.constants.ERROR_CORRECT_M,
        border=0,
    )

    qr.add_data(profile_url(pprof, req))

    qr.make(fit=True)

    img = qr.make_image()

    img.save(response, 'png')
    return response

项目：eClaire 作者：kogan | 项目源码 | 文件源码

def generate_qr_code(url):
    """ Generate a QR Code for the given URL and return an Image file"""
    qr = qrcode.QRCode(
        version=1,
        error_correction=qrcode.constants.ERROR_CORRECT_L,
        box_size=10,
        border=4,
    )

    qr.add_data(url)
    qr.make(fit=True)

    return qr.make_image()

项目：segno 作者：heuer | 项目源码 | 文件源码

def create_qrcode(data='QR Code Symbol'):
        """qrcode create"""
        qr = QRCode(error_correction=ERROR_CORRECT_M)
        qr.add_data(data, optimize=False)
        qr.make()

项目：segno 作者：heuer | 项目源码 | 文件源码

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)

项目：segno 作者：heuer | 项目源码 | 文件源码

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)

项目：segno 作者：heuer | 项目源码 | 文件源码

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)