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feat: update report generation and export capabilities to support multiple formats (PDF, DOCX, HTML, LaTeX, EPUB, ODT, plain text) across documentation and backend

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DESKTOP-RTLN3BA\$punk 2026-03-09 18:41:21 -07:00
parent 11b84a3fb4
commit 45cc527d02
9 changed files with 13 additions and 80 deletions
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67
surfsense_backend/app/templates/export_helpers.py
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@ -4,7 +4,6 @@ Helpers for report export templates.
* ``get_typst_template_path()`` - path to the custom Pandoc -> Typst template.
* ``get_html_css_path()`` - path to the CSS stylesheet for HTML exports.
* ``get_reference_docx_path()`` - path to a styled reference.docx for Pandoc.
* ``get_reference_pptx_path()`` - path to a styled reference.pptx for Pandoc.
The reference DOCX is generated lazily on first call from Pandoc's built-in
default, then restyled with *python-docx* and cached on disk so subsequent
@ -20,12 +19,10 @@ from pathlib import Path
_DIR = Path(__file__).resolve().parent
_GENERATED_DIR = _DIR / "_generated"
_REFERENCE_DOCX = _GENERATED_DIR / "reference.docx"
_REFERENCE_PPTX = _GENERATED_DIR / "reference.pptx"
_TYPST_TEMPLATE = _DIR / "report_pdf.typst"
_HTML_CSS = _DIR / "report_html.css"
_docx_lock = threading.Lock()
_pptx_lock = threading.Lock()
def get_typst_template_path() -> Path:
@ -36,17 +33,6 @@ def get_html_css_path() -> Path:
return _HTML_CSS
def get_reference_pptx_path() -> Path:
"""Return path to the styled reference.pptx, creating it if absent."""
if _REFERENCE_PPTX.exists():
return _REFERENCE_PPTX
with _pptx_lock:
if _REFERENCE_PPTX.exists():
return _REFERENCE_PPTX
_generate_reference_pptx()
return _REFERENCE_PPTX
def get_reference_docx_path() -> Path:
"""Return path to the styled reference.docx, creating it if absent."""
if _REFERENCE_DOCX.exists():
@ -199,59 +185,6 @@ def _generate_reference_docx() -> None:
doc.save(str(_REFERENCE_DOCX))
# ---------------------------------------------------------------------------
# Reference PPTX generation
# ---------------------------------------------------------------------------
def _generate_reference_pptx() -> None:
"""Build a reference.pptx with smaller fonts for report-to-slide conversion."""
import pypandoc
from lxml import etree
_GENERATED_DIR.mkdir(parents=True, exist_ok=True)
pandoc_bin = pypandoc.get_pandoc_path()
result = subprocess.run(
[pandoc_bin, "--print-default-data-file", "reference.pptx"],
capture_output=True,
check=True,
)
_REFERENCE_PPTX.write_bytes(result.stdout)
from pptx import Presentation
prs = Presentation(str(_REFERENCE_PPTX))
master = prs.slide_masters[0]
ns = {
"a": "http://schemas.openxmlformats.org/drawingml/2006/main",
"p": "http://schemas.openxmlformats.org/presentationml/2006/main",
}
# Shrink body text: 24pt -> 16pt base, scaling down per level
body_sizes = [1600, 1400, 1300, 1200, 1100, 1100, 1100, 1100, 1100]
body_style = master._element.find(".//p:txStyles/p:bodyStyle", ns)
if body_style is not None:
for lvl_el in body_style:
tag = etree.QName(lvl_el).localname
if tag.startswith("lvl") and tag.endswith("pPr"):
idx = int(tag[3]) - 1
def_rpr = lvl_el.find("a:defRPr", ns)
if def_rpr is not None and idx < len(body_sizes):
def_rpr.set("sz", str(body_sizes[idx]))
# Shrink title: 33pt -> 26pt
title_style = master._element.find(".//p:txStyles/p:titleStyle", ns)
if title_style is not None:
for lvl_el in title_style:
def_rpr = lvl_el.find("a:defRPr", ns)
if def_rpr is not None:
def_rpr.set("sz", "2600")
prs.save(str(_REFERENCE_PPTX))
# ---------------------------------------------------------------------------
# OOXML helpers
# ---------------------------------------------------------------------------