443 lines
No EOL
18 KiB
Python
443 lines
No EOL
18 KiB
Python
import re
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import os
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import json
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from datetime import datetime
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# --- Configuration ---
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CHANNELS_FILE = 'channels.txt'
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PLAYLIST_FILE = 'playlist.m3u'
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IMPORT_FILE = 'bulk_import.m3u'
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LOG_DIR = 'logs'
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CONFIG_DIR = 'config'
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# Log files
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MAIN_LOG = os.path.join(LOG_DIR, 'playlist_update.log')
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IMPORT_LOG = os.path.join(LOG_DIR, 'import_history.log')
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ERROR_LOG = os.path.join(LOG_DIR, 'error.log')
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# Config files
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SETTINGS_FILE = os.path.join(CONFIG_DIR, 'settings.json')
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GROUP_OVERRIDES_FILE = os.path.join(CONFIG_DIR, 'group_overrides.json')
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# --- Helper Functions ---
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def ensure_directories():
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"""Create necessary directories if they don't exist."""
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os.makedirs(LOG_DIR, exist_ok=True)
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os.makedirs(CONFIG_DIR, exist_ok=True)
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def load_settings():
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"""Load settings from config file with defaults."""
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default_settings = {
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"remove_duplicates": True,
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"sort_channels": True,
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"validate_urls": False,
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"backup_before_import": True,
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"auto_cleanup_import": True
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}
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if os.path.exists(SETTINGS_FILE):
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try:
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with open(SETTINGS_FILE, 'r', encoding='utf-8') as f:
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settings = json.load(f)
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return {**default_settings, **settings}
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except Exception as e:
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log_message(f"Error loading settings, using defaults: {e}", "WARNING", ERROR_LOG)
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return default_settings
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def load_group_overrides():
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"""Load group name overrides from config file."""
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if os.path.exists(GROUP_OVERRIDES_FILE):
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try:
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with open(GROUP_OVERRIDES_FILE, 'r', encoding='utf-8') as f:
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return json.load(f)
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except Exception as e:
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log_message(f"Error loading group overrides: {e}", "WARNING", ERROR_LOG)
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return {}
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def log_message(message, level="INFO", log_file=MAIN_LOG):
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"""Logs messages to specified file and prints them."""
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timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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formatted_message = f"[{timestamp}] {level}: {message}"
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try:
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with open(log_file, 'a', encoding='utf-8') as f:
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f.write(formatted_message + "\n")
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except Exception as e:
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print(f"ERROR: Could not write to log file {log_file}: {e}")
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print(formatted_message)
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def parse_channel_block(block):
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"""Parses a single channel block from channels.txt."""
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channel_data = {}
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lines = block.strip().split('\n')
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for line in lines:
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if '=' in line:
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key, value = line.split('=', 1)
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key = key.strip()
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value = value.strip()
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channel_data[key] = value
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return channel_data
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def parse_m3u_entry(extinf_line, url_line):
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"""Parses an M3U #EXTINF and URL line into a dictionary."""
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channel = {}
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tvg_id_match = re.search(r'tvg-id="([^"]*)"', extinf_line)
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tvg_logo_match = re.search(r'tvg-logo="([^"]*)"', extinf_line)
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group_title_match = re.search(r'group-title="([^"]*)"', extinf_line)
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tvg_name_match = re.search(r'tvg-name="([^"]*)"', extinf_line)
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channel['EPG id'] = tvg_id_match.group(1) if tvg_id_match else ''
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channel['Logo'] = tvg_logo_match.group(1) if tvg_logo_match else ''
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channel['Group'] = group_title_match.group(1) if group_title_match else 'Uncategorized'
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channel['TVG Name'] = tvg_name_match.group(1) if tvg_name_match else ''
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stream_name_match = re.search(r',(.+)$', extinf_line)
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channel['Stream name'] = stream_name_match.group(1).strip() if stream_name_match else 'Unknown Channel'
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channel['Stream URL'] = url_line.strip()
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return channel
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def apply_group_overrides(channel, group_overrides):
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"""Apply group name overrides to channel."""
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stream_name = channel.get('Stream name', '').lower()
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current_group = channel.get('Group', 'Uncategorized')
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for key, new_group in group_overrides.items():
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if key.lower() in stream_name:
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log_message(f"Override: '{channel.get('Stream name')}' moved from '{current_group}' to '{new_group}'", "DEBUG")
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channel['Group'] = new_group
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break
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return channel
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def convert_m3u_to_channels_txt_block(m3u_channel_data):
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"""Converts a parsed M3U channel entry to channels.txt block format."""
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block = []
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block.append(f"Group = {m3u_channel_data.get('Group', 'Uncategorized')}")
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block.append(f"Stream name = {m3u_channel_data.get('Stream name', 'Unknown Channel')}")
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block.append(f"Logo = {m3u_channel_data.get('Logo', '')}")
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block.append(f"EPG id = {m3u_channel_data.get('EPG id', '')}")
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block.append(f"Stream URL = {m3u_channel_data.get('Stream URL', '')}")
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return "\n".join(block)
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def get_channel_signature(channel):
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"""Creates a unique signature for a channel to detect duplicates."""
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stream_name = channel.get('Stream name', '').strip().lower()
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stream_url = channel.get('Stream URL', '').strip().lower()
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stream_name_clean = re.sub(r'\s+', ' ', stream_name)
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stream_name_clean = re.sub(r'[^\w\s]', '', stream_name_clean)
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return f"{stream_name_clean}|{stream_url}"
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def remove_duplicates_from_channels(channels, settings):
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"""Removes duplicate channels based on stream name and URL."""
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if not settings.get('remove_duplicates', True):
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log_message("Duplicate removal disabled in settings", "INFO")
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return channels
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seen_signatures = set()
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unique_channels = []
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duplicate_count = 0
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log_message(f"Checking {len(channels)} channels for duplicates...", "DEBUG")
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for channel in channels:
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signature = get_channel_signature(channel)
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if signature not in seen_signatures:
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seen_signatures.add(signature)
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unique_channels.append(channel)
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else:
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duplicate_count += 1
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log_message(f"Duplicate found: {channel.get('Stream name', 'Unknown')} - {channel.get('Stream URL', 'No URL')[:50]}...", "DEBUG")
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if duplicate_count > 0:
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log_message(f"Removed {duplicate_count} duplicate channels.", "INFO")
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else:
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log_message("No duplicates found.", "INFO")
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return unique_channels
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def backup_channels_file():
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"""Create a backup of channels.txt before import."""
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if os.path.exists(CHANNELS_FILE):
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backup_name = f"{CHANNELS_FILE}.backup.{datetime.now().strftime('%Y%m%d_%H%M%S')}"
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try:
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import shutil
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shutil.copy2(CHANNELS_FILE, backup_name)
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log_message(f"Created backup: {backup_name}", "INFO")
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return backup_name
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except Exception as e:
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log_message(f"Failed to create backup: {e}", "WARNING", ERROR_LOG)
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return None
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def log_import_statistics(imported_count, duplicate_count, existing_count):
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"""Log import statistics to import history."""
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stats = {
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"timestamp": datetime.now().isoformat(),
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"imported": imported_count,
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"duplicates_removed": duplicate_count,
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"already_existed": existing_count,
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"total_processed": imported_count + duplicate_count + existing_count
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}
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log_message(f"Import completed: {json.dumps(stats)}", "INFO", IMPORT_LOG)
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def process_import_m3u():
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"""Processes bulk_import.m3u to add channels to channels.txt."""
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settings = load_settings()
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group_overrides = load_group_overrides()
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if not os.path.exists(IMPORT_FILE):
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log_message(f"No {IMPORT_FILE} found, skipping import.", "INFO")
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return []
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log_message(f"Processing {IMPORT_FILE} for bulk import...", "INFO")
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if settings.get('backup_before_import', True):
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backup_channels_file()
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file_size = os.path.getsize(IMPORT_FILE)
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log_message(f"{IMPORT_FILE} file size: {file_size} bytes", "DEBUG")
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imported_channels = []
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try:
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log_message(f"Reading {IMPORT_FILE}...", "DEBUG")
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with open(IMPORT_FILE, 'r', encoding='utf-8') as f:
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lines = f.readlines()
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log_message(f"Found {len(lines)} lines in {IMPORT_FILE}", "DEBUG")
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i = 0
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parsed_count = 0
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while i < len(lines):
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line = lines[i].strip()
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if line.startswith('#EXTINF:'):
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if i + 1 < len(lines):
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extinf_line = line
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url_line = lines[i+1].strip()
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if not url_line or url_line.startswith('#'):
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i += 1
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continue
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channel_data = parse_m3u_entry(extinf_line, url_line)
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channel_data = apply_group_overrides(channel_data, group_overrides)
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if channel_data.get('Stream name') and channel_data.get('Stream URL'):
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imported_channels.append(channel_data)
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parsed_count += 1
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if parsed_count <= 3:
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log_message(f"Sample channel {parsed_count}: {channel_data.get('Stream name')}", "DEBUG")
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else:
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log_message(f"Skipping channel - missing required fields: {channel_data.get('Stream name', 'No name')}", "WARNING")
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i += 2
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else:
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i += 1
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else:
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i += 1
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log_message(f"Parsed {parsed_count} valid channels from {IMPORT_FILE}", "INFO")
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if imported_channels and settings.get('remove_duplicates', True):
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log_message("Checking imported channels for duplicates...", "INFO")
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original_import_count = len(imported_channels)
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imported_channels = remove_duplicates_from_channels(imported_channels, settings)
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import_duplicate_count = original_import_count - len(imported_channels)
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log_message(f"After duplicate removal: {len(imported_channels)} unique channels to import", "INFO")
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else:
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import_duplicate_count = 0
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if imported_channels:
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existing_channels = []
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if os.path.exists(CHANNELS_FILE):
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with open(CHANNELS_FILE, 'r', encoding='utf-8') as f:
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content = f.read()
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channel_blocks = re.split(r'\n\s*\n+', content.strip())
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for block in channel_blocks:
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if block.strip():
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existing_channels.append(parse_channel_block(block))
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log_message(f"Found {len(existing_channels)} existing channels in {CHANNELS_FILE}", "DEBUG")
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existing_signatures = {get_channel_signature(ch) for ch in existing_channels}
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new_channels = []
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already_exists_count = 0
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for channel in imported_channels:
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if get_channel_signature(channel) not in existing_signatures:
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new_channels.append(channel)
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else:
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already_exists_count += 1
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if already_exists_count > 0:
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log_message(f"Skipped {already_exists_count} channels that already exist in {CHANNELS_FILE}", "INFO")
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imported_channels = new_channels
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log_message(f"Final import count: {len(imported_channels)} new unique channels", "INFO")
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else:
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already_exists_count = 0
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if imported_channels:
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lines_before = 0
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if os.path.exists(CHANNELS_FILE):
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with open(CHANNELS_FILE, 'r', encoding='utf-8') as f:
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lines_before = len(f.readlines())
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log_message(f"{CHANNELS_FILE} has {lines_before} lines before import", "DEBUG")
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log_message(f"Attempting to append {len(imported_channels)} channels to {CHANNELS_FILE}...", "DEBUG")
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try:
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with open(CHANNELS_FILE, 'a', encoding='utf-8') as f:
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for i, channel in enumerate(imported_channels):
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if i > 0 or lines_before > 0:
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f.write("\n\n")
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block_content = convert_m3u_to_channels_txt_block(channel)
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f.write(block_content)
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if i < 3:
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log_message(f"Wrote channel {i+1}: {channel.get('Stream name', 'Unknown')}", "DEBUG")
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log_message(f"Successfully appended {len(imported_channels)} unique channels to {CHANNELS_FILE}.", "INFO")
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log_import_statistics(len(imported_channels), import_duplicate_count, already_exists_count)
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except Exception as write_error:
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log_message(f"ERROR writing to {CHANNELS_FILE}: {write_error}", "ERROR", ERROR_LOG)
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return imported_channels
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else:
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log_message("No new unique channels to import after duplicate checking.", "INFO")
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log_import_statistics(0, import_duplicate_count, already_exists_count)
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else:
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log_message(f"No valid channels found in {IMPORT_FILE}.", "INFO")
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except Exception as e:
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log_message(f"Error processing {IMPORT_FILE}: {e}", "ERROR", ERROR_LOG)
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return imported_channels
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if settings.get('auto_cleanup_import', True):
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cleanup_import_file()
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return imported_channels
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def cleanup_import_file():
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"""Clean up the import file after processing."""
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log_message(f"Attempting to clean up {IMPORT_FILE}...", "DEBUG")
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try:
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os.remove(IMPORT_FILE)
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log_message(f"Successfully deleted {IMPORT_FILE} after processing.", "INFO")
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except PermissionError as pe:
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log_message(f"Permission denied deleting {IMPORT_FILE}: {pe}", "WARNING")
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try:
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with open(IMPORT_FILE, 'w', encoding='utf-8') as f:
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f.write('')
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log_message(f"Cleared content of {IMPORT_FILE} instead.", "INFO")
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except Exception as clear_error:
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log_message(f"ERROR: Could not delete or clear {IMPORT_FILE}: {clear_error}", "ERROR", ERROR_LOG)
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except Exception as e:
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log_message(f"Unexpected error deleting {IMPORT_FILE}: {e}", "WARNING")
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def generate_playlist():
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"""Main function to generate the M3U playlist."""
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ensure_directories()
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settings = load_settings()
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group_overrides = load_group_overrides()
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if os.path.exists(MAIN_LOG):
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open(MAIN_LOG, 'w').close()
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log_message("Starting M3U playlist generation...", "INFO")
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log_message(f"Settings: {json.dumps(settings, indent=2)}", "DEBUG")
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imported_channels = process_import_m3u()
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log_message(f"Import process returned {len(imported_channels)} channels", "DEBUG")
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if not os.path.exists(CHANNELS_FILE):
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log_message(f"Error: {CHANNELS_FILE} not found.", "ERROR", ERROR_LOG)
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return
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with open(CHANNELS_FILE, 'r', encoding='utf-8') as f:
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content = f.read()
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log_message(f"Read {len(content)} characters from {CHANNELS_FILE}", "DEBUG")
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channel_blocks = re.split(r'\n\s*\n+', content.strip())
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log_message(f"Found {len(channel_blocks)} channel blocks in {CHANNELS_FILE}", "DEBUG")
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parsed_channels = []
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for i, block in enumerate(channel_blocks):
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if block.strip():
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channel = parse_channel_block(block)
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if channel:
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channel = apply_group_overrides(channel, group_overrides)
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parsed_channels.append(channel)
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if i < 5:
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log_message(f"Parsed channel {i+1}: {channel.get('Stream name', 'Unknown')}", "DEBUG")
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log_message(f"Successfully parsed {len(parsed_channels)} channels from {CHANNELS_FILE}", "INFO")
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original_count = len(parsed_channels)
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parsed_channels = remove_duplicates_from_channels(parsed_channels, settings)
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final_count = len(parsed_channels)
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if original_count != final_count:
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log_message(f"Final M3U will have {final_count} unique channels (removed {original_count - final_count} duplicates)", "INFO")
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if settings.get('sort_channels', True):
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parsed_channels.sort(key=lambda x: (x.get('Group', '').lower(), x.get('Stream name', '').lower()))
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log_message("Channels sorted by group and name", "DEBUG")
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new_m3u_lines = ["#EXTM3U"]
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valid_channels = 0
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for channel in parsed_channels:
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stream_name = channel.get('Stream name', '')
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group_name = channel.get('Group', 'Uncategorized')
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logo_url = channel.get('Logo', '')
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epg_id = channel.get('EPG id', '')
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stream_url = channel.get('Stream URL', '')
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if not stream_name or not stream_url:
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log_message(f"Skipping channel due to missing required field: {stream_name or 'Unknown'}", "WARNING")
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continue
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extinf_attrs = [
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f'tvg-id="{epg_id}"',
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f'tvg-logo="{logo_url}"',
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f'group-title="{group_name}"',
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f'tvg-name="{stream_name}"'
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]
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extinf_line = f"#EXTINF:-1 {' '.join(extinf_attrs)},{stream_name}"
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new_m3u_lines.append(extinf_line)
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new_m3u_lines.append(stream_url)
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valid_channels += 1
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try:
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with open(PLAYLIST_FILE, 'w', encoding='utf-8') as f:
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for line in new_m3u_lines:
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f.write(line + '\n')
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log_message(f"Successfully generated {PLAYLIST_FILE} with {valid_channels} unique channels.", "INFO")
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stats = {
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"total_channels": valid_channels,
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"groups": len(set(ch.get('Group', 'Uncategorized') for ch in parsed_channels)),
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"generation_time": datetime.now().isoformat()
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}
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log_message(f"Generation stats: {json.dumps(stats)}", "INFO")
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except Exception as e:
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log_message(f"Error writing {PLAYLIST_FILE}: {e}", "ERROR", ERROR_LOG)
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log_message("M3U playlist generation complete.", "INFO")
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if __name__ == "__main__":
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generate_playlist() |