keep_to_telekasten.py

import json
import os
import markdownify
from datetime import datetime

# Ensure the output directory exists
output_dir = 'out'
os.makedirs(output_dir, exist_ok=True)

# Loop through all json files in the current directory
for filename in os.listdir('.'):
    if filename.endswith('.json'):
        with open(filename, 'r') as file:
            data = json.load(file)
        
        # Extract relevant data
        title = data.get('title', 'Untitled').strip()
        text_content = data.get('textContent', '').strip()
        annotations = data.get('annotations', [])
        attachments = data.get('attachments', [])
        labels = data.get('labels', [])
        created_timestamp_usec = int(data.get('createdTimestampUsec', 0))
        
        # Format the timestamp into a readable date
        date = datetime.fromtimestamp(created_timestamp_usec / 1_000_000).strftime('%Y-%m-%d')
        
        # Convert text content from HTML to Markdown if necessary
        markdown_text = markdownify.markdownify(text_content, heading_style="ATX")
        
        # Process annotations for links and descriptions
        links_markdown = ""
        for annotation in annotations:
            if 'url' in annotation:
                link = annotation['url']
                link_title = annotation.get('title', link)
                links_markdown += f"[{link_title}]({link})\n\n"

        # Process attachments for image links
        attachments_markdown = ""
        for attachment in attachments:
            file_path = attachment.get('filePath', '')
            if file_path:
                attachments_markdown += f"![]({file_path})\n"

        # Process labels
        labels_markdown = ""
        for label in labels:
            label_name = label.get('name', '').strip()
            if label_name:
                labels_markdown += f"#{label_name}\n"

        # Assemble the final markdown content with a YAML header
        markdown_content = f"---\ntitle: {title}\ndate:  {date}\n---\n\n{markdown_text}\n\n{links_markdown}{attachments_markdown}\n{labels_markdown}"
        
        # Write the markdown content to a new file in the output directory
        markdown_filename = os.path.splitext(filename)[0] + '.md'
        with open(os.path.join(output_dir, markdown_filename), 'w') as markdown_file:
            markdown_file.write(markdown_content)

print("Conversion completed.")