pico_article.py

def generate_filename(title):
    """Generate a filename from the title by converting to lowercase, replacing spaces with hyphens, and keeping only alphanumeric characters and hyphens."""
    filename = title.lower().replace(" ", "-")
    filename = ''.join(c for c in filename if c.isalnum() or c == '-')
    filename += ".md"
    return filename

def create_md_file(title, date, description, youtube_id, content, template="post", filename=None):
    """
    Create a Markdown file with YAML front matter, an image part, and content using external data.
    
    Parameters:
    - title (str): The title of the post.
    - date (str): The date in 'YYYY-MM-DD' format.
    - description (str): A brief description of the post, also used as alt text for the image.
    - youtube_id (str): The YouTube video ID for the image link and thumbnail.
    - content (str): The main body text of the post, can include newlines for paragraphs.
    - template (str, optional): The template type, defaults to 'post'.
    - filename (str, optional): The name of the file; if None, generated from the title.
    """
    # Use provided filename or generate one from the title
    if filename is None:
        filename = generate_filename(title)
    
    # Construct the YAML front matter
    yaml = f"""---
Title: {title}
Date: {date}
Description: {description}
Template: {template}
---"""
    
    # Construct the image part with YouTube link and thumbnail
    img_part = f"""<a href="https://www.youtube.com/watch?v={youtube_id}">
    <img src="https://img.youtube.com/vi/{youtube_id}/maxresdefault.jpg" alt="{description}" class="img-fluid">
</a>"""
    
    # Combine all parts with blank lines between them
    full_content = f"{yaml}\n\n{img_part}\n\n{content}"
    
    # Write the content to the file with UTF-8 encoding
    with open(filename, "w", encoding="utf-8") as file:
        file.write(full_content)