JiriUhlirandClaude Opus 5
156289fe2d
Sluzba prijme adresu HTML dokumentu nebo HTML v tele requestu a vrati PDF. Navrzena pro dokumenty o stovkach az tisicich stranek. Rendering: - WeasyPrint jako vychozi engine, spravne CSS Paged Media, nizka pametova narocnost, bez JavaScriptu - Chromium pres Playwright pro dokumenty dokreslovane skripty - rezim auto s detekci skriptu a fallbackem pri selhani WeasyPrintu Velke dokumenty: - deleni na casti na strukturalnich hranicich, rez nikdy uvnitr tabulky nebo odstavce - dvoupruchodovy render obsahu se skutecnymi cisly stranek, pozice nadpisu se ctou z kotev hlasenych u kazde stranky - cislovani stranek bud pres CSS countery, nebo pres cislovaci vrstvu nastampovanou na hotove PDF, rozmer stranky se cte z vysledneho souboru - Chromium se restartuje po N jobech, nikdy vsak behem beziciho renderu API: - POST /convert synchronne, POST /jobs asynchronne se sledovanim stavu, stahovanim vysledku, rusenim a volitelnym callbackem - GET /health s overenim dostupnosti obou enginu a stavem fronty - OpenAPI respektuje prefix reverse proxy pres root_path Bezpecnost a provoz: - SSRF kontrola po DNS resolvu, na kazdem presmerovani a u vsech pozadavku prohlizece - nedostupne assety render nezastavi, ale hlasi se v odpovedi i v logu - fronta s omezenym poctem workeru, rozpracovane joby se pri ukonceni oznaci jako failed, nezmizi potichu - strukturovane JSON logovani s job_id - vsechny limity vypnute ve vychozim stavu Dockerfile je dvoufazovy, obsahuje zavislosti WeasyPrintu, Chromium a fonty s ceskou diakritikou. Autentizace zamerne neni implementovana, zpusob predavani neni domluveny. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
"""Behaviour when an asset cannot be loaded.
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A missing image must not abort the render, but it must never disappear
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silently either.
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"""
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from __future__ import annotations
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import pytest
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pytest.importorskip("weasyprint")
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from app.config import Settings # noqa: E402
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from app.engines.weasy import WeasyPrintEngine # noqa: E402
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from app.models import ConvertRequest, Source # noqa: E402
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from app.services.pipeline import ConversionPipeline # noqa: E402
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pytestmark = pytest.mark.asyncio
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HTML_WITH_BLOCKED_IMAGE = """
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<!DOCTYPE html><html><head><meta charset="utf-8"></head>
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<body>
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<h1>Dokument s nedostupnym obrazkem</h1>
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<p>Text pokracuje i kdyz se obrazek nenacte.</p>
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<img src="http://127.0.0.1:9/neexistuje.png" alt="chybi">
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</body></html>
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"""
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async def test_blocked_asset_is_reported_and_render_continues(tmp_path) -> None:
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pipeline = ConversionPipeline({"weasyprint": WeasyPrintEngine()}, Settings())
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request = ConvertRequest(
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source=Source(html=HTML_WITH_BLOCKED_IMAGE),
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engine="weasyprint",
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)
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result = await pipeline.run(request, tmp_path)
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assert result.page_count >= 1
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assert result.path.exists()
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assert result.missing_assets, "nedostupny asset musi byt hlaseny v odpovedi"
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assert "127.0.0.1" in result.missing_assets[0].url
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