27 lines
721 B
Python
27 lines
721 B
Python
"""Генерация QR (SVG) без Pillow — только пакет qrcode."""
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from __future__ import annotations
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import io
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import qrcode
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import qrcode.image.svg
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def make_qr_svg(data: str, *, scale: int = 4, border: int = 2) -> bytes:
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"""Возвращает SVG QR как bytes (image/svg+xml)."""
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text = (data or "").strip()
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if not text:
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raise ValueError("empty qr data")
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factory = qrcode.image.svg.SvgPathImage
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img = qrcode.make(
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text,
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error_correction=qrcode.constants.ERROR_CORRECT_M,
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box_size=max(2, int(scale)),
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border=max(1, int(border)),
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image_factory=factory,
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)
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buf = io.BytesIO()
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img.save(buf)
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return buf.getvalue()
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