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mcp-nextcloud/nextcloud_mcp_server/vector/html_processor.py
T
Chris CoutinhoandClaude a33f6a2f15 feat(news): add Nextcloud News app integration
Add full integration for the Nextcloud News (RSS/Atom reader) app:

- Add NewsClient with complete CRUD operations for folders, feeds, and items
- Add 8 read-only MCP tools for listing/getting folders, feeds, items
- Add Pydantic models for News entities with camelCase alias support
- Add vector sync support for starred + unread items
- Add HTML to Markdown converter using markdownify for better embeddings
- Add Docker post-install hook to enable News app
- Add 25 unit tests for NewsClient API methods

Vector sync indexes starred and unread items, providing a balanced approach
that captures important (starred) and current (unread) content without
indexing the entire article history.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-29 14:39:31 +01:00

50 lines
1.6 KiB
Python

"""HTML to Markdown conversion utilities for vector sync."""
import logging
from markdownify import markdownify as md
logger = logging.getLogger(__name__)
def html_to_markdown(html_content: str | None) -> str:
"""Convert HTML content to Markdown, preserving semantic structure.
This function converts HTML (typically from RSS/Atom feed items) to Markdown
for better text embedding. Markdown preserves:
- Heading hierarchy (important for document structure)
- Lists (bullet and numbered)
- Links (as [text](url))
- Bold/italic emphasis
- Paragraphs and line breaks
Args:
html_content: HTML string to convert (may be None or empty)
Returns:
Markdown string, or empty string if input is None/empty
Example:
>>> html_to_markdown("<h1>Title</h1><p>Content with <b>bold</b>.</p>")
'# Title\\n\\nContent with **bold**.\\n\\n'
"""
if not html_content:
return ""
try:
markdown = md(
html_content,
heading_style="ATX", # Use # style headings
strip=["script", "style", "iframe", "noscript"], # Remove unsafe elements
bullets="-", # Use - for unordered lists
code_language="", # Don't add language hints to code blocks
)
return markdown.strip()
except Exception as e:
logger.warning(f"Failed to convert HTML to Markdown: {e}")
# Fallback: strip all HTML tags as a last resort
import re
text = re.sub(r"<[^>]+>", " ", html_content)
return " ".join(text.split()) # Normalize whitespace