dschlueter
5cef9d7885
--styles semantic (Standard): Hintergrundmarkierung wird zu <mark>, sonst nur bedeutungstragende Gestaltung. --styles html: Farbe, Hintergrund, Schriftgröße/-art, Kapitälchen und Ausrichtung bleiben als <span style>/<div style> erhalten, fremdsprachige Passagen als <span lang>. Übernommen wird nur, was vom Grundstil abweicht (häufigste Werte aller Absätze, Schriftgröße ab ±15 %); Formel- und Bildabsätze bekommen keine Ausrichtung; unsichere Werte werden verworfen. Gilt im Fließtext, für Absätze und in HTML-Tabellen. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
164 lines
9.5 KiB
Python
164 lines
9.5 KiB
Python
"""Typography and layout: invisible characters, CSS emphasis, scene breaks, boxes, styles, page markers."""
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from conftest import Book, Doc
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ZW, SHY = "", ""
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def test_p6_invisible_characters_removed_outside_code(convert):
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body = (f"<h1>Kapitel 1.{ZW}1</h1><p>Lese{SHY}rinnen und 1.{ZW}1 sowie{ZW}Wort.</p>"
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f"<pre>a{ZW}b</pre><p><code>x{SHY}y</code></p>")
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run = convert(Book(docs=[Doc("c.xhtml", body)]))
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text = run.chapter("001")
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assert "Leserinnen und 1.1 sowieWort." in text
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assert "# Kapitel 1.1" in text and 'chapter_title: "Kapitel 1.1"' in text
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assert f"a{ZW}b" in text and f"x{SHY}y" in text # code stays verbatim
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assert run.report["text_cleanup"]["invisible_chars_removed"] == 4
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kept = convert(Book(docs=[Doc("c.xhtml", body)]), "--keep-invisible-chars").chapter("001")
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assert f"Lese{SHY}rinnen" in kept
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CSS = b""".i { font-style: italic } .b { font-weight: bold } span.u { text-decoration: underline }
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.s { text-decoration: line-through } .hoch { vertical-align: super } .weg { display: none }
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li p.first > span.b { font-weight: normal; font-family: monospace } .schrift-c { font-family: "Courier New", monospace }
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p.zitat { font-style: italic } h2.t { font-weight: bold; font-style: italic } .url { text-decoration: underline }
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@media amzn-kf8 { .i { font-style: normal } }"""
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def styled(body: str, *args: str, convert=None):
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return convert(Book(docs=[Doc("c.xhtml", body)], media={"style.css": CSS}), *args)
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def test_p1_css_classes_become_markdown_emphasis(convert):
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body = ('<h1>K</h1><p>Ein <span class="i">kursives</span> und <span class="b">fettes</span> Wort, '
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'<span class="u">unterstrichen</span>, <span class="s">gestrichen</span>, x<span class="hoch">2</span>, '
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'<span class="weg">[»] </span>sichtbar, <span class="schrift-c">printf</span> und '
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'<span class="schrift-c">zwei Wörter</span>, <span style="font-weight:700">inline</span>, '
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'<span class="url"><a href="https://example.org">example.org</a></span>.</p>'
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'<ul><li><p class="first"><span class="b">nicht fett im Listenkopf</span></p></li></ul>'
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'<p class="zitat">Ein ganzer kursiver Absatz mit <em>Betonung</em>.</p>'
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'<h2 class="t">Überschrift bleibt</h2><p><em class="i">nur einmal</em></p><pre><span class="b">code</span></pre>')
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run = styled(body, convert=convert)
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text = run.chapter("001")
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assert "Ein *kursives* und **fettes** Wort, <u>unterstrichen</u>, ~~gestrichen~~, x<sup>2</sup>, sichtbar," in text
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assert "`printf` und zwei Wörter, **inline**, [example.org](https://example.org)." in text
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assert "[»]" not in text and "\\[»\\]" not in text
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assert "- nicht fett im Listenkopf" in text
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assert "*Ein ganzer kursiver Absatz mit Betonung.*" in text
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assert "## Überschrift bleibt" in text and "*nur einmal*" in text and "**nur einmal**" not in text
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assert "```\ncode\n```" in text
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assert run.report["css"]["hidden_elements"] == 1
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assert run.report["css"]["applied"]["italic"] >= 2
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plain = styled(body, "--no-css-emphasis", convert=convert).chapter("001")
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assert "Ein kursives und fettes Wort" in plain
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def test_p1_css_emphasis_inside_html_tables(convert):
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body = ('<h1>T</h1><table><tr><td colspan="2"><span class="i">kursiv</span> und <span class="b">fett</span></td></tr>'
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'<tr><td>a</td><td>b</td></tr></table>')
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text = styled(body, convert=convert).chapter("001")
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assert "<em>kursiv</em> und <strong>fett</strong>" in text
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def test_adjacent_emphasis_is_merged(convert):
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body = ('<h1>K</h1><p>Fläche (A=r<sup>2</sup><span class="i">×</span><span class="i">π</span>) und '
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'<em>x</em><em>y</em> sowie <strong>a</strong><strong>b</strong> und <em>c</em> <em>d</em>.</p>')
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text = styled(body, convert=convert).chapter("001")
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assert "<sup>2</sup>*×π*" in text
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assert "*xy*" in text and "**ab**" in text and "*c* *d*" in text
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def test_p4_scene_breaks(convert):
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body = ('<h1>K</h1><p class="leerzeile"> </p><p>Erster Absatz.</p><p class="leerzeile"> </p>'
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'<p class="leerzeile"> </p><p>Neue Szene.</p><p>Weiter.</p><p class="centertext">***</p>'
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'<p>Nach Ornament.</p><p> </p><h2>Abschnitt</h2><p>Text</p><p>⁂</p><p>Ende.</p>')
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text = convert(Book(docs=[Doc("c.xhtml", body)])).chapter("001")
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body_md = text.split("# K", 1)[1]
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assert "Erster Absatz.\n\n* * *\n\nNeue Szene." in body_md
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assert body_md.count("* * *") == 3 # two empties collapse into one; ***, ⁂ are ornaments; none before the heading
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assert "Weiter.\n\n* * *\n\nNach Ornament." in body_md
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assert "\\*" not in body_md
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assert body_md.strip().startswith("Erster Absatz.") # no break at chapter start
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def test_p4_poems_keep_lines_and_stanzas(convert):
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body = ('<h1>G</h1><p>Davor.</p><div class="poem"><p>»Erste Zeile</p><p>zweite Zeile</p>'
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'<p class="leerzeile"> </p><p>Zweite Strophe«</p></div><p>Danach.</p>')
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text = convert(Book(docs=[Doc("c.xhtml", body)])).chapter("001")
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assert "> »Erste Zeile\\\n> zweite Zeile\n>\n> Zweite Strophe«" in text
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assert "* * *" not in text
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BOX_CSS = b""".rahmen { border: 1px solid #333; padding: 4px } .listing { border: 1px solid #ccc }"""
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def boxed(body: str, *args: str, convert=None):
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return convert(Book(docs=[Doc("c.xhtml", body)], media={"box.css": BOX_CSS}), *args)
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def test_p2_boxes_become_callouts(convert):
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body = ('<h1>K</h1><p>Vorher.</p>'
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'<div class="box box_standard"><h3 class="boxheading"><span class="box_icon">[»] </span>Erwartungen</h3>'
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'<p>Kein Kompendium.</p><p>Zweiter Absatz.</p></div>'
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'<div class="Boxg"><div class="Box_img"><img alt="Image" src="tick.png"/></div><div class="Box_body">'
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'<p><strong>Wichtig:</strong> Funktionen sind Objekte.</p></div></div>'
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'<p class="p_TippU">Tipp</p><p class="p_Tipp_FT">Gelb mit Blau mischen.</p><p class="p_Tipp_FT">Mehr Weiß.</p>'
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'<aside epub:type="sidebar"><h2>Exkurs</h2><p>Am Rande.</p></aside>'
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'<div class="rahmen"><p>Achtung, heiß!</p></div>'
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'<div class="listing"><pre>code()</pre></div><p>Nachher.</p>')
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from conftest import PNG
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run = convert(Book(docs=[Doc("c.xhtml", body)], media={"box.css": BOX_CSS, "tick.png": PNG}))
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text = run.chapter("001")
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assert "> [!NOTE]\n> **\\[»\\] Erwartungen**\n>\n> Kein Kompendium.\n>\n> Zweiter Absatz." in text
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assert "> [!IMPORTANT]\n> **Wichtig:** Funktionen sind Objekte." in text and "tick" not in text
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assert "> [!TIP]\n> Gelb mit Blau mischen.\n>\n> Mehr Weiß." in text # label 'Tipp' = type word, no title
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assert "> [!NOTE]\n> **Exkurs**\n>\n> Am Rande." in text
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assert "> [!WARNING]\n> Achtung, heiß!" in text # box recognized via CSS border, type from text
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assert "```\ncode()\n```" in text and "> ```" not in text # bordered code listing is no box
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assert "### " not in text # box heading no longer pollutes the outline
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assert run.report["layout"]["boxes"] == 5
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def test_p2_box_modes(convert):
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body = '<h1>K</h1><aside epub:type="tip"><h2>Hinweis zum Pinsel</h2><p>Sauber halten.</p></aside>'
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quote = boxed(body, "--boxes", "quote", convert=convert).chapter("001")
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assert "> **Hinweis zum Pinsel**\n>\n> Sauber halten." in quote and "[!" not in quote
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htm = boxed(body, "--boxes", "html", convert=convert).chapter("001")
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assert '<div class="box box-tip">\n\n**Hinweis zum Pinsel**\n\nSauber halten.\n\n</div>' in htm
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plain = boxed(body, "--boxes", "plain", convert=convert).chapter("001")
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assert "## Hinweis zum Pinsel" in plain and "Sauber halten." in plain and ">" not in plain.split("---")[-1]
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STYLE_CSS = b"""p { font-family: "Aldus", serif; font-size: 0.9em; color: #000 }
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.rot { color: #942f6a } .gelb { background-color: #ffff00 } .gross { font-size: 1.5em }
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.kap { font-variant: small-caps } p.mitte { text-align: center } .script { font-family: "Mulled Wine", cursive }"""
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def styles_book(body: str, *args: str, convert=None):
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return convert(Book(docs=[Doc("c.xhtml", body)], media={"s.css": STYLE_CSS}), *args)
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BODY_STYLES = ('<h1>S</h1><p>Normal <span class="rot">rot</span>, <span class="gelb">markiert</span>, '
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'<span class="gross">groß</span>, <span class="kap">Kapitälchen</span>, <span class="script">Zierschrift</span>, '
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'<span lang="en">English words</span> und <span lang="de">deutsch</span>.</p>'
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'<p>Zweiter Absatz.</p><p>Dritter Absatz.</p><p class="mitte">Widmung</p>')
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def test_p3_semantic_styles_default(convert):
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text = styles_book(BODY_STYLES, convert=convert).chapter("001")
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assert "Normal rot, <mark>markiert</mark>, groß, Kapitälchen, Zierschrift, English words und deutsch." in text
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assert "style=" not in text and "lang=" not in text
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def test_p3_p7_html_styles(convert):
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run = styles_book(BODY_STYLES, "--styles", "html", convert=convert)
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text = run.chapter("001")
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assert '<span style="color: #942f6a">rot</span>' in text
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assert '<span style="background-color: #ffff00">markiert</span>' in text
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assert '<span style="font-size: 1.5em">groß</span>' in text
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assert '<span style="font-variant: small-caps">Kapitälchen</span>' in text
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assert "<span style=\"font-family: 'Mulled Wine', cursive\">Zierschrift</span>" in text
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assert '<span lang="en">English words</span> und deutsch.' in text
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assert '<div style="text-align: center">\n\nWidmung\n\n</div>' in text
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assert "Zweiter Absatz." in text and "Aldus" not in text # base paragraph style is not repeated
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assert run.report["css"]["applied"]["style"] >= 5
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