Add scripts/playlist_builder.py

scripts/playlist_builder.py

@@ -0,0 +1,88 @@
+"""
+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