Feed Generation

class FeedGenerator:
    def __init__(self):
        """
        Create a new FeedGenerator instance.
        
        Initializes empty feed with default generator metadata.
        """

def atom_str(self, pretty=False, extensions=True, encoding='UTF-8', xml_declaration=True):
    """
    Generate ATOM feed as string.
    
    Args:
        pretty (bool): Pretty print XML with indentation
        extensions (bool): Include loaded extensions in output
        encoding (str): Character encoding for output
        xml_declaration (bool): Include XML declaration in output
        
    Returns:
        bytes: ATOM feed XML as encoded bytes
    """

def atom_file(self, filename, extensions=True, pretty=False, encoding='UTF-8', xml_declaration=True):
    """
    Write ATOM feed to file.
    
    Args:
        filename (str): Output file path
        extensions (bool): Include loaded extensions in output  
        pretty (bool): Pretty print XML with indentation
        encoding (str): Character encoding for output
        xml_declaration (bool): Include XML declaration in output
        
    Returns:
        str: The filename that was written
    """

def rss_str(self, pretty=False, extensions=True, encoding='UTF-8', xml_declaration=True):
    """
    Generate RSS feed as string.
    
    Args:
        pretty (bool): Pretty print XML with indentation
        extensions (bool): Include loaded extensions in output
        encoding (str): Character encoding for output
        xml_declaration (bool): Include XML declaration in output
        
    Returns:
        bytes: RSS feed XML as encoded bytes
    """

def rss_file(self, filename, extensions=True, pretty=False, encoding='UTF-8', xml_declaration=True):
    """
    Write RSS feed to file.
    
    Args:
        filename (str): Output file path
        extensions (bool): Include loaded extensions in output
        pretty (bool): Pretty print XML with indentation  
        encoding (str): Character encoding for output
        xml_declaration (bool): Include XML declaration in output
        
    Returns:
        str: The filename that was written
    """

from feedgen.feed import FeedGenerator

fg = FeedGenerator()
fg.id('http://example.com/feed')
fg.title('My Feed')
fg.author({'name': 'Author Name', 'email': 'author@example.com'})
fg.link(href='http://example.com', rel='alternate')
fg.description('Feed description')
fg.language('en')

# Generate pretty-printed ATOM feed
atom_feed = fg.atom_str(pretty=True)
print(atom_feed.decode('utf-8'))

# Generate RSS feed  
rss_feed = fg.rss_str(pretty=True)
print(rss_feed.decode('utf-8'))

# Write feeds to files
fg.atom_file('output.atom', pretty=True)
fg.rss_file('output.rss', pretty=True)

# Generate without extensions
atom_no_ext = fg.atom_str(extensions=False)
rss_no_ext = fg.rss_str(extensions=False)

# Generate with different encoding
atom_utf16 = fg.atom_str(encoding='UTF-16', pretty=True)
fg.atom_file('feed_utf16.atom', encoding='UTF-16')