""" Playlist Builder - Generates the final M3U playlist """ import logging from typing import Dict, List, Tuple class PlaylistBuilder: """Generate M3U playlist files.""" def __init__(self, config): self.config = config self.logger = logging.getLogger(__name__) def generate_m3u(self, channels: List[Dict]) -> Tuple[int, Dict]: """Generate the M3U playlist file and return stats.""" m3u_lines = ["#EXTM3U"] valid_channels = 0 country_stats = {} for channel in channels: stream_name = channel.get('Stream name', '') group_name = channel.get('Group', 'Uncategorized') logo_url = channel.get('Logo', '') epg_id = channel.get('EPG id', '') stream_url = channel.get('Stream URL', '') if not stream_name or not stream_url: continue # Build EXTINF line with all attributes extinf_attrs = [ f'tvg-id="{epg_id}"', f'tvg-logo="{logo_url}"', f'group-title="{group_name}"', f'tvg-name="{stream_name}"' ] extinf_line = f"#EXTINF:-1 {' '.join(extinf_attrs)},{stream_name}" m3u_lines.append(extinf_line) m3u_lines.append(stream_url) valid_channels += 1 # Update country statistics country_stats[group_name] = country_stats.get(group_name, 0) + 1 try: with open(self.config.playlist_file, 'w', encoding='utf-8') as f: for line in m3u_lines: f.write(line + '\n') self.logger.info(f"Generated {self.config.playlist_file} with {valid_channels} channels") # Log top countries sorted_stats = dict(sorted(country_stats.items(), key=lambda x: x[1], reverse=True)) top_countries = dict(list(sorted_stats.items())[:5]) self.logger.info(f"Top countries: {top_countries}") return valid_channels, country_stats except Exception as e: self.logger.error(f"Error writing playlist: {e}") return 0, {} def validate_m3u_structure(self) -> bool: """Validate the generated M3U file structure.""" try: with open(self.config.playlist_file, 'r', encoding='utf-8') as f: content = f.read() lines = content.strip().split('\n') if not lines or lines[0] != '#EXTM3U': self.logger.error("M3U file missing #EXTM3U header") return False extinf_count = sum(1 for line in lines if line.startswith('#EXTINF:')) url_count = sum(1 for line in lines if line.startswith(('http://', 'https://', 'rtmp://'))) if extinf_count != url_count: self.logger.warning(f"M3U structure mismatch: {extinf_count} EXTINF lines vs {url_count} URLs") self.logger.info(f"M3U validation complete: {extinf_count} channels validated") return True except Exception as e: self.logger.error(f"Error validating M3U: {e}") return False