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22 lines
623 B
22 lines
623 B
4 years ago
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from io import BytesIO
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import qrcode
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from flask import send_file
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def generate_qr_code(url):
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qr = qrcode.QRCode(
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version=None,
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error_correction=qrcode.constants.ERROR_CORRECT_M,
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box_size=30,
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border=4,
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)
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qr.add_data(url)
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qr.make(fit=True)
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return qr.make_image(fill_color='black', back_color='white')
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def serve_pil_image(pil_img):
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# Source: https://stackoverflow.com/questions/7877282/how-to-send-image-generated-by-pil-to-browser
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img_io = BytesIO()
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pil_img.save(img_io, 'PNG', quality=70)
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img_io.seek(0)
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return send_file(img_io, mimetype='image/png')
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