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PDF: Add machine-readable PDF string for every barcode

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Raphael Michel
2023-02-16 09:35:00 +01:00
parent c63bc46d3b
commit ca9ddd7d98
1 changed files with 12 additions and 0 deletions
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12
src/pretix/base/pdf.py
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@@ -777,6 +777,18 @@ class Renderer:
qr_y = float(o['bottom']) * mm qr_y = float(o['bottom']) * mm
renderPDF.draw(d, canvas, qr_x, qr_y) renderPDF.draw(d, canvas, qr_x, qr_y)
# Add QR content + PDF issuer as a hidden string (fully transparent & off page)
# This helps automated processing of the PDF file by 3rd parties, e.g. when checking tickets for resale
data = {
"issuer": settings.SITE_URL,
o.get('content', 'secret'): content
}
canvas.saveState()
canvas.setFont('Open Sans', 1)
canvas.setFillColorRGB(0, 0, 0, 0)
canvas.drawString(-1000 * mm, -1000 * mm, json.dumps(data, sort_keys=True))
canvas.restoreState()
def _get_ev(self, op, order): def _get_ev(self, op, order):
return op.subevent or order.event return op.subevent or order.event