contentpanel - Aushangworkflow um docx Vorlage erweitern

2026-09-02 19:52:51 +02:00
parent 420a73a0fe
commit c5c052ac87
39 changed files with 5124 additions and 1270 deletions
@@ -0,0 +1,110 @@
+"""Fill the checked-in layout; preserve every other DOCX part byte for byte."""
+import io
+import json
+import re
+import zipfile
+from pathlib import Path
+from xml.dom import minidom
+
+W = 'http://schemas.openxmlformats.org/wordprocessingml/2006/main'
+W14 = 'http://schemas.microsoft.com/office/word/2010/wordml'
+TITLE_TOKEN, DATE_TOKEN, BODY_TOKEN = TOKENS = (
+    '[[AUSHANG_TITLE]]', '[[AUSHANG_DATE]]', '[[AUSHANG_BODY]]',
+)
+FONT_FACES = json.loads((Path(__file__).with_name('renderer') / 'fonts.json').read_text())
+
+
+class TemplateError(ValueError):
+    pass
+
+
+def _placeholders(document):
+    found = {}
+    for token in TOKENS:
+        matches = [p for p in document.getElementsByTagNameNS(W, 'p')
+                   if ''.join(t.firstChild.data if t.firstChild else ''
+                              for t in p.getElementsByTagNameNS(W, 't')) == token]
+        if len(matches) != 1:
+            raise TemplateError(f'Vorlage muss genau einen Absatz {token} enthalten.')
+        found[token] = matches[0]
+    return found
+
+
+def validate_template(template: Path) -> None:
+    with zipfile.ZipFile(template) as archive:
+        _placeholders(minidom.parseString(archive.read('word/document.xml')))
+
+
+def _set_text(paragraph, text):
+    if any(ord(char) < 32 and char not in '\t\n\r' for char in text):
+        raise TemplateError('Text enthält ungültige Steuerzeichen.')
+    nodes = paragraph.getElementsByTagNameNS(W, 't')
+    for node in nodes:
+        while node.firstChild:
+            node.removeChild(node.firstChild)
+    document, anchor = paragraph.ownerDocument, nodes[0]
+    text = text.replace('\r\n', '\n').replace('\r', '\n')
+    for part in re.split(r'(\n|\t)', text):
+        if part in ('\n', '\t'):
+            node = document.createElementNS(W, 'w:br' if part == '\n' else 'w:tab')
+        else:
+            node = document.createElementNS(W, 'w:t')
+            node.setAttribute('xml:space', 'preserve')
+            node.appendChild(document.createTextNode(part))
+        anchor.parentNode.insertBefore(node, anchor)
+    anchor.parentNode.removeChild(anchor)
+    # Preserve verse/signature lines without stretching them to the full width.
+    if '\n' in text:
+        for alignment in paragraph.getElementsByTagNameNS(W, 'jc'):
+            alignment.setAttributeNS(W, 'w:val', 'left')
+
+
+def fill_template(template: Path, output: Path, title: str, date_label: str, paragraphs: list[str]) -> None:
+    paragraphs = [p.strip() for p in paragraphs if p.strip()]
+    if not title.strip() or not date_label.strip() or not paragraphs:
+        raise TemplateError('Titel, Datum und Inhalt dürfen nicht leer sein.')
+    with zipfile.ZipFile(template) as source:
+        document = minidom.parseString(source.read('word/document.xml'))
+        placeholders = _placeholders(document)
+        _set_text(placeholders[TITLE_TOKEN], title.strip())
+        _set_text(placeholders[DATE_TOKEN], date_label.strip())
+        body = placeholders[BODY_TOKEN]
+        used = {p.getAttributeNS(W14, 'paraId') for p in document.getElementsByTagNameNS(W, 'p')}
+        index = 1
+        for text in paragraphs:
+            paragraph = body.cloneNode(deep=True)
+            while f'{index:08X}' in used:
+                index += 1
+            paragraph.setAttributeNS(W14, 'w14:paraId', f'{index:08X}')
+            used.add(f'{index:08X}')
+            _set_text(paragraph, text)
+            body.parentNode.insertBefore(paragraph, body)
+        body.parentNode.removeChild(body)
+        output.parent.mkdir(parents=True, exist_ok=True)
+        with zipfile.ZipFile(output, 'w') as target:
+            for info in source.infolist():
+                data = document.toxml(encoding='utf-8') if info.filename == 'word/document.xml' else source.read(info)
+                target.writestr(info, data)
+
+
+def renderer_document(document: Path) -> bytes:
+    # BetterOffice 0.1.0 emits unquoted CSS font names: alias the apostrophe in
+    # Suisse Int'l only in this disposable render copy, never in the Word file.
+    aliases = {face['family']: face['alias'] for face in FONT_FACES}
+    output = io.BytesIO()
+    with zipfile.ZipFile(document) as source, zipfile.ZipFile(output, 'w') as target:
+        for info in source.infolist():
+            data = source.read(info)
+            if info.filename.startswith('word/') and info.filename.endswith('.xml'):
+                xml = minidom.parseString(data)
+                changed = False
+                for tag in ('rFonts', 'font'):
+                    for node in xml.getElementsByTagNameNS(W, tag):
+                        for attr in node.attributes.values():
+                            if attr.value in aliases:
+                                attr.value = aliases[attr.value]
+                                changed = True
+                if changed:
+                    data = xml.toxml(encoding='utf-8')
+            target.writestr(info, data)
+    return output.getvalue()