def _create_qr_base64(content: str) -> str:
"""Create a base64 valid str format to render in html with
the passed content.
Params:
-------
- content: str - The info to encode.
Return:
-------
- qr_code: Encoded QR code.
"""
qr_instance = QRCode(content)
qr_srt_base64 = qr_instance.png_as_base64_str(scale=8)
qr_code = f"data:image/png;base64,{qr_srt_base64}"
return qr_code
def gen_qrcode(data):
# Create QRCode
qrcode = QRCode(data, error='H')
b64 = qrcode.png_as_base64_str(scale=10)
# Logo overlay
qrcode = Image.open(BytesIO(base64.b64decode(b64)))
qrcode = qrcode.convert("RGBA")
filepath = Path(conf.settings.BASE_DIR) / 'assets' / 'logo.png'
logo = Image.open(filepath)
box = (135, 135, 235, 235)
qrcode.crop(box)
logo = logo.resize((box[2] - box[0], box[3] - box[1]))
logo_width, logo_height = logo.size
qr_width, qr_height = qrcode.size
qrcode.paste(logo, ((qr_width - logo_width) // 2,
(qr_height - logo_height) // 2))
output = BytesIO()
qrcode.save(output, format="PNG")
output.seek(0)
return output
