BlogGenerator/BlogGenerator.py at main · PoisonMunna/BlogGenerator · GitHub

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"""
Blog Generator - Fully Working Version
Converts Markdown files to HTML blog
Author: Python Learning Project
"""

import os
import shutil
from pathlib import Path
from datetime import datetime
import sys
import argparse

try:
    import markdown
except ImportError:
    print("❌ Please install markdown library: pip install markdown")
    sys.exit(1)

class BlogGenerator:
    """Static blog generator from Markdown files"""

    def __init__(self, content_dir="content", output_dir="output"):
        self.content_dir = Path(content_dir)
        self.output_dir = Path(output_dir)
        self.posts = []
        self.tags = {}

        # Create directories
        self.content_dir.mkdir(exist_ok=True)
        self.output_dir.mkdir(exist_ok=True)
        (self.output_dir / "posts").mkdir(exist_ok=True)
        (self.output_dir / "tags").mkdir(exist_ok=True)

    def parse_post(self, content):
        """Parse markdown post with frontmatter"""
        metadata = {
            'title': 'Untitled',
            'date': datetime.now(),
            'tags': '',
            'excerpt': ''
        }

        # Check for frontmatter
        if content.startswith('---'):
            parts = content.split('---', 2)
            if len(parts) >= 3:
                frontmatter = parts[1].strip()
                content = parts[2].strip()

                for line in frontmatter.split('\n'):
                    if ':' in line:
                        key, value = line.split(':', 1)
                        key = key.strip()
                        value = value.strip()

                        if key == 'title':
                            metadata['title'] = value
                        elif key == 'date':
                            try:
                                metadata['date'] = datetime.strptime(value, '%Y-%m-%d')
                            except:
                                pass
                        elif key == 'tags':
                            metadata['tags'] = value
                        elif key == 'excerpt':
                            metadata['excerpt'] = value

        # Convert markdown to HTML
        html_content = markdown.markdown(content, extensions=['fenced_code', 'tables'])

        return metadata, html_content

    def load_posts(self):
        """Load all markdown posts"""
        self.posts = []
        self.tags = {}

        md_files = list(self.content_dir.glob("*.md"))

        if not md_files:
            return

        for file_path in md_files:
            with open(file_path, 'r', encoding='utf-8') as f:
                content = f.read()

            metadata, html_content = self.parse_post(content)

            # Get tags as list
            tags_list = [t.strip() for t in metadata['tags'].split(',')] if metadata['tags'] else []

            post = {
                'filename': file_path.stem,
                'title': metadata['title'],
                'date': metadata['date'],
                'date_str': metadata['date'].strftime('%B %d, %Y'),
                'tags': tags_list,
                'tags_str': metadata['tags'],
                'excerpt': metadata['excerpt'] or html_content[:150].replace('\n', ' ') + '...',
                'content': html_content,
            }

            self.posts.append(post)

            # Update tags
            for tag in tags_list:
                if tag:
                    if tag not in self.tags:
                        self.tags[tag] = []
                    self.tags[tag].append(post)

        # Sort posts by date (newest first)
        self.posts.sort(key=lambda x: x['date'], reverse=True)

    def generate_homepage(self):
        """Generate homepage"""
        html = '''<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>My Blog</title>
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; line-height: 1.6; color: #333; background: #f5f5f5; }
        .container { max-width: 1000px; margin: 0 auto; padding: 20px; }
        header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 60px 0; text-align: center; margin-bottom: 40px; }
        header h1 { font-size: 3em; margin-bottom: 10px; }
        header p { font-size: 1.2em; opacity: 0.9; }
        nav { background: white; padding: 15px; border-radius: 8px; margin-bottom: 30px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); text-align: center; }
        nav a { color: #667eea; text-decoration: none; margin: 0 15px; font-weight: 500; }
        nav a:hover { text-decoration: underline; }
        .post-card { background: white; border-radius: 8px; padding: 25px; margin-bottom: 25px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); transition: transform 0.2s; }
        .post-card:hover { transform: translateY(-3px); box-shadow: 0 4px 8px rgba(0,0,0,0.15); }
        .post-title { margin-bottom: 10px; }
        .post-title a { color: #333; text-decoration: none; }
        .post-title a:hover { color: #667eea; }
        .post-meta { color: #666; font-size: 0.9em; margin-bottom: 15px; }
        .post-excerpt { color: #555; margin-bottom: 15px; }
        .post-tags { margin-top: 15px; }
        .tag { display: inline-block; background: #e0e7ff; color: #667eea; padding: 4px 10px; border-radius: 20px; font-size: 0.8em; margin-right: 8px; text-decoration: none; }
        .tag:hover { background: #667eea; color: white; }
        .sidebar { background: white; padding: 20px; border-radius: 8px; margin-bottom: 25px; }
        .sidebar h3 { margin-bottom: 15px; color: #667eea; }
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
        .tag-cloud a { background: #f0f0f0; padding: 5px 12px; border-radius: 20px; text-decoration: none; color: #666; font-size: 0.9em; }
        .tag-cloud a:hover { background: #667eea; color: white; }
        .flex { display: flex; gap: 30px; }
        .main { flex: 2; }
        .side { flex: 1; }
        footer { text-align: center; padding: 40px 0; color: #666; margin-top: 40px; border-top: 1px solid #ddd; }
        @media (max-width: 768px) { .flex { flex-direction: column; } header h1 { font-size: 2em; } }
    </style>
</head>
<body>
    <header>
        <div class="container">
            <h1>My Python Blog</h1>
            <p>A blog generated with Python</p>
        </div>
    </header>

    <div class="container">
        <nav>
            <a href="/">Home</a>
            <a href="/archive.html">Archive</a>
            <a href="/tags.html">Tags</a>
        </nav>

        <div class="flex">
            <div class="main">
'''

        for post in self.posts[:10]:
            tags_html = " ".join([f'<a href="/tags/{tag}.html" class="tag">#{tag}</a>' for tag in post['tags'] if tag])
            html += f'''
                <div class="post-card">
                    <h2 class="post-title"><a href="/posts/{post['filename']}.html">{post['title']}</a></h2>
                    <div class="post-meta">📅 {post['date_str']} | 🏷️ {post['tags_str'] if post['tags_str'] else 'No tags'}</div>
                    <div class="post-excerpt">{post['excerpt']}</div>
                    <div class="post-tags">{tags_html}</div>
                </div>
'''

        # Sidebar
        tag_cloud = ""
        for tag in sorted(self.tags.keys()):
            tag_cloud += f'<a href="/tags/{tag}.html" class="tag">#{tag} ({len(self.tags[tag])})</a>'

        html += f'''
            </div>
            <div class="side">
                <div class="sidebar">
                    <h3>📊 Statistics</h3>
                    <p>📝 Total Posts: {len(self.posts)}</p>
                    <p>🏷️ Total Tags: {len(self.tags)}</p>
                </div>
                <div class="sidebar">
                    <h3>🏷️ Tag Cloud</h3>
                    <div class="tag-cloud">{tag_cloud}</div>
                </div>
            </div>
        </div>

        <footer>
            <p>&copy; {datetime.now().year} My Python Blog. Generated with Python Blog Generator</p>
        </footer>
    </div>
</body>
</html>'''

        with open(self.output_dir / "index.html", 'w', encoding='utf-8') as f:
            f.write(html)
        print("  ✅ Generated: index.html")

    def generate_post_pages(self):
        """Generate individual post pages"""
        for post in self.posts:
            tags_display = ", ".join([f'#{tag}' for tag in post['tags'] if tag]) if post['tags'] else "No tags"
            tags_links = " ".join([f'<a href="/tags/{tag}.html" class="tag">#{tag}</a>' for tag in post['tags'] if tag])

            html = f'''<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{post['title']} - My Blog</title>
    <style>
        * {{ margin: 0; padding: 0; box-sizing: border-box; }}
        body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; line-height: 1.8; color: #333; background: #f5f5f5; }}
        .container {{ max-width: 800px; margin: 0 auto; padding: 20px; }}
        header {{ background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 40px 0; text-align: center; }}
        header h1 {{ font-size: 2.5em; }}
        .back-link {{ display: inline-block; margin: 20px 0; color: #667eea; text-decoration: none; }}
        .back-link:hover {{ text-decoration: underline; }}
        .post-meta {{ color: #666; border-bottom: 1px solid #ddd; padding-bottom: 20px; margin-bottom: 30px; }}
        .post-content {{ background: white; padding: 40px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }}
        .post-content h1, .post-content h2, .post-content h3 {{ margin-top: 1.5em; margin-bottom: 0.5em; }}
        .post-content h1 {{ color: #667eea; }}
        .post-content code {{ background: #f4f4f4; padding: 2px 5px; border-radius: 3px; font-family: monospace; }}
        .post-content pre {{ background: #f4f4f4; padding: 15px; border-radius: 5px; overflow-x: auto; }}
        .post-content blockquote {{ border-left: 4px solid #667eea; padding-left: 20px; margin: 20px 0; color: #666; }}
        .post-tags {{ margin-top: 30px; padding-top: 20px; border-top: 1px solid #ddd; }}
        .tag {{ display: inline-block; background: #e0e7ff; color: #667eea; padding: 4px 10px; border-radius: 20px; font-size: 0.8em; margin-right: 8px; text-decoration: none; }}
        footer {{ text-align: center; padding: 40px 0; color: #666; margin-top: 40px; }}
    </style>
</head>
<body>
    <header>
        <div class="container">
            <h1>{post['title']}</h1>
        </div>
    </header>

    <div class="container">
        <a href="/" class="back-link">← Back to Home</a>

        <article class="post-content">
            <div class="post-meta">📅 {post['date_str']} | 🏷️ {tags_display}</div>
            {post['content']}
            <div class="post-tags">Tags: {tags_links}</div>
        </article>

        <footer>
            <p>&copy; {datetime.now().year} My Python Blog</p>
        </footer>
    </div>
</body>
</html>'''

            with open(self.output_dir / "posts" / f"{post['filename']}.html", 'w', encoding='utf-8') as f:
                f.write(html)
            print(f"  ✅ Generated: posts/{post['filename']}.html")

    def generate_tag_pages(self):
        """Generate pages for each tag"""
        for tag, posts in self.tags.items():
            posts_html = ""
            for post in posts:
                posts_html += f'''
                <div class="post-card">
                    <h2 class="post-title"><a href="/posts/{post['filename']}.html">{post['title']}</a></h2>
                    <div class="post-meta">📅 {post['date_str']}</div>
                    <div class="post-excerpt">{post['excerpt']}</div>
                </div>
'''

            html = f'''<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Tag: {tag} - My Blog</title>
    <style>
        * {{ margin: 0; padding: 0; box-sizing: border-box; }}
        body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; line-height: 1.6; color: #333; background: #f5f5f5; }}
        .container {{ max-width: 800px; margin: 0 auto; padding: 20px; }}
        header {{ background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 40px 0; text-align: center; }}
        .post-card {{ background: white; border-radius: 8px; padding: 25px; margin-bottom: 25px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }}
        .post-title {{ margin-bottom: 10px; }}
        .post-title a {{ color: #333; text-decoration: none; }}
        .post-title a:hover {{ color: #667eea; }}
        .post-meta {{ color: #666; font-size: 0.9em; margin-bottom: 15px; }}
        .post-excerpt {{ color: #555; }}
        .back-link {{ display: inline-block; margin: 20px 0; color: #667eea; text-decoration: none; }}
        footer {{ text-align: center; padding: 40px 0; color: #666; margin-top: 40px; }}
    </style>
</head>
<body>
    <header>
        <div class="container">
            <h1>Posts tagged with #{tag}</h1>
            <p>{len(posts)} posts</p>
        </div>
    </header>

    <div class="container">
        <a href="/" class="back-link">← Back to Home</a>
        {posts_html}
        <footer>
            <p>&copy; {datetime.now().year} My Python Blog</p>
        </footer>
    </div>
</body>
</html>'''

            with open(self.output_dir / "tags" / f"{tag}.html", 'w', encoding='utf-8') as f:
                f.write(html)
            print(f"  ✅ Generated: tags/{tag}.html")

    def generate_tags_index(self):
        """Generate main tags index page"""
        tag_cloud = ""
        for tag in sorted(self.tags.keys()):
            count = len(self.tags[tag])
            size = 14 + min(20, count)
            tag_cloud += f'<a href="/tags/{tag}.html" style="font-size: {size}px; display: inline-block; margin: 5px;">#{tag} ({count})</a>\n'

        html = f'''<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>All Tags - My Blog</title>
    <style>
        * {{ margin: 0; padding: 0; box-sizing: border-box; }}
        body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; line-height: 1.6; color: #333; background: #f5f5f5; }}
        .container {{ max-width: 800px; margin: 0 auto; padding: 20px; }}
        header {{ background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 40px 0; text-align: center; }}
        .tag-cloud {{ background: white; padding: 40px; border-radius: 8px; margin: 30px 0; text-align: center; }}
        .tag-cloud a {{ background: #e0e7ff; color: #667eea; padding: 8px 16px; border-radius: 25px; text-decoration: none; transition: all 0.3s; display: inline-block; margin: 5px; }}
        .tag-cloud a:hover {{ background: #667eea; color: white; transform: scale(1.05); }}
        .back-link {{ display: inline-block; margin: 20px 0; color: #667eea; text-decoration: none; }}
        footer {{ text-align: center; padding: 40px 0; color: #666; }}
    </style>
</head>
<body>
    <header>
        <div class="container">
            <h1>All Tags</h1>
            <p>Browse posts by category</p>
        </div>
    </header>

    <div class="container">
        <a href="/" class="back-link">← Back to Home</a>

        <div class="tag-cloud">
            {tag_cloud}
        </div>

        <footer>
            <p>&copy; {datetime.now().year} My Python Blog</p>
        </footer>
    </div>
</body>
</html>'''

        with open(self.output_dir / "tags.html", 'w', encoding='utf-8') as f:
            f.write(html)
        print("  ✅ Generated: tags.html")

    def generate_archive(self):
        """Generate archive page"""
        # Group by year
        posts_by_year = {}
        for post in self.posts:
            year = post['date'].year
            if year not in posts_by_year:
                posts_by_year[year] = []
            posts_by_year[year].append(post)

        archive_html = ""
        for year in sorted(posts_by_year.keys(), reverse=True):
            archive_html += f'<div class="archive-year"><h2>{year}</h2>'
            for post in posts_by_year[year]:
                archive_html += f'''
                <div class="archive-item">
                    <span class="date">{post['date'].strftime('%b %d')}</span>
                    <a href="/posts/{post['filename']}.html">{post['title']}</a>
                </div>'''
            archive_html += '</div>'

        html = f'''<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Archive - My Blog</title>
    <style>
        * {{ margin: 0; padding: 0; box-sizing: border-box; }}
        body {{ font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; line-height: 1.6; color: #333; background: #f5f5f5; }}
        .container {{ max-width: 800px; margin: 0 auto; padding: 20px; }}
        header {{ background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 40px 0; text-align: center; }}
        .archive-list {{ background: white; padding: 30px; border-radius: 8px; margin: 30px 0; }}
        .archive-year {{ margin-bottom: 30px; }}
        .archive-year h2 {{ color: #667eea; border-bottom: 2px solid #e0e7ff; padding-bottom: 10px; margin-bottom: 20px; }}
        .archive-item {{ padding: 10px 0; border-bottom: 1px solid #eee; }}
        .date {{ color: #666; font-size: 0.9em; margin-right: 20px; }}
        .archive-item a {{ color: #333; text-decoration: none; }}
        .archive-item a:hover {{ color: #667eea; }}
        .back-link {{ display: inline-block; margin: 20px 0; color: #667eea; text-decoration: none; }}
        footer {{ text-align: center; padding: 40px 0; color: #666; }}
    </style>
</head>
<body>
    <header>
        <div class="container">
            <h1>Archive</h1>
            <p>All posts by date</p>
        </div>
    </header>

    <div class="container">
        <a href="/" class="back-link">← Back to Home</a>

        <div class="archive-list">
            {archive_html}
        </div>

        <footer>
            <p>&copy; {datetime.now().year} My Python Blog</p>
        </footer>
    </div>
</body>
</html>'''

        with open(self.output_dir / "archive.html", 'w', encoding='utf-8') as f:
            f.write(html)
        print("  ✅ Generated: archive.html")

    def generate(self):
        """Generate everything"""
        print("\n" + "="*50)
        print("📝 BLOG GENERATOR")
        print("="*50)

        print("\n📂 Loading posts...")
        self.load_posts()

        if not self.posts:
            print("\n⚠️ No posts found!")
            print("\nCreate a sample post with:")
            print("  python blog_generator.py --sample")
            return

        print(f"✅ Loaded {len(self.posts)} posts")
        print(f"✅ Found {len(self.tags)} tags")

        print("\n📄 Generating pages...")
        print("-"*40)

        self.generate_homepage()
        self.generate_post_pages()
        self.generate_tag_pages()
        self.generate_tags_index()
        self.generate_archive()

        print("\n" + "="*50)
        print("🎉 BLOG GENERATED SUCCESSFULLY!")
        print("="*50)
        print(f"\n📁 Output: {self.output_dir.absolute()}")
        print("\n🌐 To view your blog:")
        print("   cd output")
        print("   python -m http.server 8000")
        print("   Then open http://localhost:8000")
        print("="*50)

def create_sample_post():
    """Create sample post"""
    content_dir = Path("content")
    content_dir.mkdir(exist_ok=True)

    sample_post = content_dir / "welcome.md"
    if not sample_post.exists():
        content = """---
title: Welcome to My Blog
date: 2024-01-15
tags: Welcome, Python, Tutorial
excerpt: This is my first blog post using the static blog generator.
---

# Welcome to My Blog!

Hello everyone! This is my first blog post generated using my **Python Blog Generator**.

## Why I built this

I wanted a simple way to write blog posts in **Markdown** and generate a static website without dealing with complex CMS systems.

## Features

- Write posts in Markdown
- Automatic HTML generation
- Tag support
- Archive page
- Clean, responsive design

## Code Example

Here's a Python code block:
def hello_world():
print("Hello, Blog!")

hello_world()


## What's Next?

I'll be posting regularly about:
- Python programming
- Web development
- Productivity tips

Stay tuned for more content!

---

Thanks for reading! 🚀
"""
        sample_post.write_text(content, encoding='utf-8')
        print(f"✅ Created sample post: {sample_post}")
        print("\n📝 Run 'python blog_generator.py' to generate your blog!")
    else:
        print(f"⚠️ Sample post already exists: {sample_post}")

def main():
    parser = argparse.ArgumentParser(description='Static Blog Generator')
    parser.add_argument('--sample', action='store_true', help='Create a sample post')
    args = parser.parse_args()

    if args.sample:
        create_sample_post()
    else:
        generator = BlogGenerator()
        generator.generate()

if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        print("\n\n⚠️ Cancelled")
        sys.exit(0)
    except Exception as e:
        print(f"\n❌ Error: {e}")
        sys.exit(1)