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marketing_claude/artefakte/01-lebenslauf/build/post-process-docx.py

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8.8 KiB
Python

#!/usr/bin/env python3
"""
post-process-docx.py
====================
Wird auf das von Pandoc erzeugte DOCX angewendet, NACH `build.ps1`. Macht
drei XML-Modifikationen, die ein Stil oder die `reference.docx` nicht
abbilden koennen:
1. 3-3-Regel fuer Listen-Bullets (B3.5):
- Eine Liste ist eine Sequenz aufeinanderfolgender Absaetze mit
<w:numPr>-Eigenschaft im Body (nicht innerhalb von Tabellen-Zellen).
- Bei einer Liste mit weniger als 6 Bullets: alle Bullets bekommen
<w:keepNext/>.
- Bei einer Liste mit 6 oder mehr Bullets: die ersten 2 und die
drittletzten und vorletzten Bullets bekommen <w:keepNext/>.
Bullets in Tabellen-Zellen werden uebersprungen.
2. H2-Trennlinie (S08):
- Nach jedem H2-Absatz wird ein leerer Trenn-Absatz eingefuegt.
- Trenn-Absatz: linksbuendige Bottom-Border, schwarz (000000),
1,25 pt (sz=10), 8,6 cm Linienlaenge.
3. Bullet-Einzuege (S08):
- Pandoc erzeugt fuer alle Bullet-Listen abstractNum-Eintraege mit
festen Defaults (E1 left/hanging=480 dxa, E2 left=1200/hanging=480 dxa).
Pandoc IGNORIERT die numbering.xml-Werte der reference.docx.
- Im Post-Processing wird numbering.xml so modifiziert, dass alle
abstractNum-Eintraege die kompakteren Wunschwerte bekommen.
- Word-Konvention: "Einzug links" (im Absatz-Dialog) zeigt
(left - hanging) = Bullet-Position; "Sondereinzug Haengend" = hanging.
Daher rechnen wir: left = (gewuenschter Einzug + gewuenschter Hanging) in dxa.
Voraussetzungen: nur Python-Stdlib.
"""
from __future__ import annotations
import re
import sys
import zipfile
from pathlib import Path
SCRIPT_DIR = Path(__file__).resolve().parent
BASE_DIR = SCRIPT_DIR.parent
DOCX_FILE = BASE_DIR / "output" / "Lebenslauf_Dr-Ing_Thomas_Langer.docx"
W_NS = "http://schemas.openxmlformats.org/wordprocessingml/2006/main"
H2_SEP_XML = (
'<w:p>'
'<w:pPr>'
'<w:spacing w:before="0" w:after="80"/>'
'<w:ind w:right="4196"/>'
'<w:pBdr>'
'<w:bottom w:val="single" w:sz="10" w:space="2" w:color="000000"/>'
'</w:pBdr>'
'<w:rPr><w:sz w:val="2"/><w:szCs w:val="2"/></w:rPr>'
'</w:pPr>'
'</w:p>'
)
H2_STYLE_RE = re.compile(r'<w:pStyle\s+w:val="Heading2"\s*/?>')
# Bullet-Einzuege (1 cm = 567 dxa)
# Word zeigt "Einzug links" = (left - hanging), "Sondereinzug Haengend" = hanging.
# E1: Einzug 0,25 cm + Sondereinzug 0,35 cm -> hanging=198, left=142+198=340
# E2: Einzug 0,80 cm + Sondereinzug 0,40 cm -> hanging=227, left=454+227=681
# E3+: proportional zur E2 (jeweils +0,55 cm fuer Einzug), hanging analog E2
BULLET_INDENTS = {
0: {"left": 340, "hanging": 198},
1: {"left": 681, "hanging": 227},
2: {"left": 993, "hanging": 227},
3: {"left": 1305, "hanging": 227},
4: {"left": 1617, "hanging": 227},
5: {"left": 1929, "hanging": 227},
6: {"left": 2241, "hanging": 227},
7: {"left": 2553, "hanging": 227},
8: {"left": 2865, "hanging": 227},
}
def log(msg):
print(f"[post-process-docx] {msg}", flush=True)
def is_bullet_paragraph(p_xml):
return "<w:numPr" in p_xml
def is_h2_paragraph(p_xml):
return bool(H2_STYLE_RE.search(p_xml))
def has_keep_next(p_xml):
return "<w:keepNext" in p_xml
def add_keep_next(p_xml):
if has_keep_next(p_xml):
return p_xml
if "<w:pPr>" in p_xml:
return p_xml.replace("<w:pPr>", "<w:pPr><w:keepNext/>", 1)
if "<w:pPr/>" in p_xml:
return p_xml.replace("<w:pPr/>", "<w:pPr><w:keepNext/></w:pPr>", 1)
new_ppr = "<w:pPr><w:keepNext/></w:pPr>"
if "<w:r" in p_xml and p_xml.startswith("<w:p>"):
return p_xml.replace("<w:p>", "<w:p>" + new_ppr, 1)
return p_xml.replace("</w:p>", new_ppr + "</w:p>", 1)
P_RE = re.compile(r"<w:p\b[^>]*>.*?</w:p>", re.DOTALL)
TBL_OPEN = "<w:tbl>"
TBL_CLOSE = "</w:tbl>"
def process_document_xml(xml):
out = []
bullet_run = []
table_depth = 0
stats = {"lists": 0, "bullets_in_lists": 0, "bullets_keepnext": 0,
"skipped_in_tables": 0, "h2_headings": 0, "separators_added": 0}
def flush_run():
if not bullet_run:
return
n = len(bullet_run)
stats["lists"] += 1
stats["bullets_in_lists"] += n
if n < 6:
indices_keep = list(range(n))
else:
indices_keep = [0, 1, n-3, n-2]
for k in indices_keep:
idx, p_xml = bullet_run[k]
new_xml = add_keep_next(p_xml)
if new_xml != p_xml:
out[idx] = new_xml
stats["bullets_keepnext"] += 1
bullet_run.clear()
token_re = re.compile(
r"(?P<tblopen>" + re.escape(TBL_OPEN) + r")"
r"|(?P<tblclose>" + re.escape(TBL_CLOSE) + r")"
r"|(?P<para><w:p\b[^>]*>.*?</w:p>)",
re.DOTALL,
)
last_end = 0
for m in token_re.finditer(xml):
if m.start() > last_end:
out.append(xml[last_end:m.start()])
last_end = m.end()
if m.group("tblopen"):
flush_run()
table_depth += 1
out.append(m.group())
elif m.group("tblclose"):
flush_run()
table_depth -= 1
out.append(m.group())
else:
p_xml = m.group("para")
out.append(p_xml)
if table_depth > 0:
if is_bullet_paragraph(p_xml):
stats["skipped_in_tables"] += 1
continue
if is_bullet_paragraph(p_xml):
bullet_run.append((len(out) - 1, p_xml))
continue
flush_run()
if is_h2_paragraph(p_xml):
out.append(H2_SEP_XML)
stats["h2_headings"] += 1
stats["separators_added"] += 1
if last_end < len(xml):
out.append(xml[last_end:])
flush_run()
return "".join(out), stats
def process_numbering_xml(xml):
"""In allen abstractNum-Eintraegen die Bullet-Einzuege ersetzen."""
import xml.etree.ElementTree as ET
W = "{%s}" % W_NS
ET.register_namespace("w", W_NS)
root = ET.fromstring(xml)
stats = {"abstractNums": 0, "lvls_modified": 0}
for absnum in root.findall(W+"abstractNum"):
stats["abstractNums"] += 1
for lvl in absnum.findall(W+"lvl"):
ilvl_str = lvl.get(W+"ilvl")
try:
ilvl = int(ilvl_str)
except (TypeError, ValueError):
continue
target = BULLET_INDENTS.get(ilvl)
if target is None:
continue
pPr = lvl.find(W+"pPr")
if pPr is None:
pPr = ET.SubElement(lvl, W+"pPr")
ind = pPr.find(W+"ind")
if ind is None:
ind = ET.SubElement(pPr, W+"ind")
ind.set(W+"left", str(target["left"]))
ind.set(W+"hanging", str(target["hanging"]))
if W+"firstLine" in ind.attrib:
del ind.attrib[W+"firstLine"]
stats["lvls_modified"] += 1
XML_DECL = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\n'
new_xml = XML_DECL + ET.tostring(root, encoding="unicode")
return new_xml, stats
def main():
if not DOCX_FILE.exists():
sys.stderr.write(f"FEHLER: {DOCX_FILE} existiert nicht. "
f"Erst build.ps1 laufen lassen.\n")
return 1
log(f"Verarbeite: {DOCX_FILE}")
with zipfile.ZipFile(DOCX_FILE, "r") as z:
members = {name: z.read(name) for name in z.namelist()}
doc_xml = members["word/document.xml"].decode("utf-8")
new_doc_xml, doc_stats = process_document_xml(doc_xml)
members["word/document.xml"] = new_doc_xml.encode("utf-8")
num_stats = {"abstractNums": 0, "lvls_modified": 0}
if "word/numbering.xml" in members:
num_xml = members["word/numbering.xml"].decode("utf-8")
new_num_xml, num_stats = process_numbering_xml(num_xml)
members["word/numbering.xml"] = new_num_xml.encode("utf-8")
else:
log(" Hinweis: word/numbering.xml nicht im DOCX (keine Listen?)")
with zipfile.ZipFile(DOCX_FILE, "w", zipfile.ZIP_DEFLATED) as z:
order = sorted(members.keys(),
key=lambda n: (0 if n == "[Content_Types].xml" else 1, n))
for name in order:
z.writestr(name, members[name])
log(f" Listen gefunden: {doc_stats['lists']}")
log(f" Bullets in Listen: {doc_stats['bullets_in_lists']}")
log(f" keepNext gesetzt: {doc_stats['bullets_keepnext']}")
log(f" Bullets in Tabellen uebersprungen: {doc_stats['skipped_in_tables']}")
log(f" H2-Headings gefunden: {doc_stats['h2_headings']}")
log(f" H2-Trenn-Absaetze eingefuegt: {doc_stats['separators_added']}")
log(f" numbering.xml abstractNum-Eintraege: {num_stats['abstractNums']}")
log(f" numbering.xml lvls modifiziert: {num_stats['lvls_modified']}")
log("Fertig.")
return 0
if __name__ == "__main__":
sys.exit(main())