BlackMarkandClaude Opus 5.5
45424e6fd6
A local web app for a small room-rental business in Austria: guest register, room ledger, occupancy plan, invoices, the monthly tourist-tax report and the quarterly VAT list. Application code only; it ships no data. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
26 lines
1.1 KiB
Python
26 lines
1.1 KiB
Python
"""Render invoice HTML to PDF with a headless Chromium-family browser through Playwright.
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PDF_BROWSER picks the browser: an installed `msedge` (default) or `chrome`, or `chromium` — Playwright's own
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build, after `playwright install chromium`."""
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from playwright.sync_api import sync_playwright
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from app import config
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BROWSER = config.get("PDF_BROWSER", "msedge")
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def render(html):
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"""The A4 PDF of a full-bleed HTML page, as bytes."""
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with sync_playwright() as p:
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browser = p.chromium.launch(channel=BROWSER)
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try:
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page = browser.new_page()
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page.set_content(html, wait_until="load")
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# Full-bleed: the template's @page/.sheet own every margin, so the sheet maps 1:1 to the A4 page
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# and the address can be placed by physical millimetres (window-envelope position). Any margin
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# here would re-inset (and scale) the 210mm sheet and throw those millimetres off.
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return page.pdf(format="A4", print_background=True, prefer_css_page_size=True,
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margin={"top": "0", "bottom": "0", "left": "0", "right": "0"})
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finally:
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browser.close()
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