import os import time import threading import subprocess import queue import logging from datetime import datetime, timedelta from typing import Optional, Dict, Any # Set up logging logging.basicConfig( level=logging.DEBUG, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', handlers=[ logging.StreamHandler(), logging.FileHandler('alarm_siren.log') ] ) logger = logging.getLogger('AlarmSiren') class AlarmSiren: def __init__(self): # Communication queues self.alarm_queue = queue.Queue() self.control_queue = queue.Queue() # Tracking active alarms self.active_alarms: Dict[int, Dict[str, Any]] = {} # Playback thread self.playback_thread = threading.Thread(target=self._playback_worker, daemon=True) self.playback_thread.start() def schedule_alarm(self, alarm_config: Dict[str, Any]): """Schedule an alarm based on its configuration""" logger.info(f"Scheduling alarm: {alarm_config}") self.alarm_queue.put(alarm_config) def _calculate_next_alarm_time(self, alarm_config: Dict[str, Any]) -> Optional[datetime]: """Calculate the next alarm trigger time based on repeat rule""" now = datetime.now() current_time = now.time() # Parse alarm time alarm_time = datetime.strptime(alarm_config['time'], "%H:%M:%S").time() # Determine the next trigger if alarm_config['repeat_rule']['type'] == 'once': # For one-time alarm, check the specific date try: specific_date = datetime.strptime(alarm_config['repeat_rule']['at'], "%d.%m.%Y") return datetime.combine(specific_date.date(), alarm_time) except (KeyError, ValueError): logger.error("Invalid one-time alarm configuration") return None elif alarm_config['repeat_rule']['type'] == 'daily': # Daily alarm - trigger today or tomorrow next_trigger = datetime.combine(now.date(), alarm_time) if current_time < alarm_time: return next_trigger return next_trigger + timedelta(days=1) elif alarm_config['repeat_rule']['type'] == 'weekly': # Weekly alarm - check configured days today = now.strftime("%A").lower() configured_days = [day.lower() for day in alarm_config['repeat_rule'].get('days_of_week', [])] if today in configured_days and current_time < alarm_time: return datetime.combine(now.date(), alarm_time) # Find next configured day days_order = ['monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday'] current_index = days_order.index(today) for offset in range(1, 8): next_day_index = (current_index + offset) % 7 next_day = days_order[next_day_index] if next_day in configured_days: next_date = now.date() + timedelta(days=offset) return datetime.combine(next_date, alarm_time) return None def _play_audio(self, file_path: str, volume: int = 100): """Play audio file using mpg123""" try: # Ensure the file exists if not os.path.exists(file_path): logger.error(f"Audio file not found: {file_path}") return False # Construct mpg123 command with volume control volume_adjust = f"-g {volume}" cmd = ["mpg123", volume_adjust, file_path] logger.info(f"Playing alarm: {file_path}") # Track the process for potential interruption process = subprocess.Popen(cmd) return process except Exception as e: logger.error(f"Error playing audio: {e}") return False def _playback_worker(self): """Background thread for managing alarm playback""" while True: try: # Check for new alarms to schedule try: new_alarm = self.alarm_queue.get(timeout=1) alarm_time = self._calculate_next_alarm_time(new_alarm) if alarm_time: self.active_alarms[new_alarm.get('id', id(new_alarm))] = { 'config': new_alarm, 'trigger_time': alarm_time, 'snooze_count': 0 } except queue.Empty: pass # Check for control signals (snooze/dismiss) try: control_msg = self.control_queue.get(timeout=0.1) # Handle control message logic except queue.Empty: pass # Check for alarms to trigger now = datetime.now() for alarm_id, alarm_info in list(self.active_alarms.items()): if now >= alarm_info['trigger_time']: # Trigger alarm process = self._play_audio( alarm_info['config']['file_to_play'], alarm_info['config'].get('metadata', {}).get('volume', 100) ) # Handle repeat and snooze logic if process: # Wait for user interaction or timeout # In a real implementation, this would be more sophisticated time.sleep(30) # Placeholder for user interaction # Determine next trigger based on repeat rule next_trigger = self._calculate_next_alarm_time(alarm_info['config']) if next_trigger: alarm_info['trigger_time'] = next_trigger else: del self.active_alarms[alarm_id] time.sleep(1) # Prevent tight loop except Exception as e: logger.error(f"Error in playback worker: {e}") time.sleep(1) def snooze_alarm(self, alarm_id: int): """Snooze a specific alarm""" if alarm_id in self.active_alarms: alarm_config = self.active_alarms[alarm_id]['config'] snooze_config = alarm_config.get('snooze', {'enabled': True, 'duration': 10, 'max_count': 3}) if (snooze_config['enabled'] and self.active_alarms[alarm_id]['snooze_count'] < snooze_config['max_count']): # Increment snooze count self.active_alarms[alarm_id]['snooze_count'] += 1 # Set next trigger time snooze_duration = snooze_config.get('duration', 10) self.active_alarms[alarm_id]['trigger_time'] = datetime.now() + timedelta(minutes=snooze_duration) logger.info(f"Snoozed alarm {alarm_id} for {snooze_duration} minutes") else: logger.warning(f"Cannot snooze alarm {alarm_id} - max snooze count reached") def dismiss_alarm(self, alarm_id: int): """Dismiss a specific alarm""" if alarm_id in self.active_alarms: logger.info(f"Dismissed alarm {alarm_id}") del self.active_alarms[alarm_id] def main(): """Example usage of AlarmSiren""" siren = AlarmSiren() # Example alarm configuration sample_alarm = { 'id': 1, 'name': 'Morning Alarm', 'time': '07:00:00', 'file_to_play': '/path/to/alarm.mp3', 'repeat_rule': { 'type': 'daily' }, 'snooze': { 'enabled': True, 'duration': 10, 'max_count': 3 }, 'metadata': { 'volume': 80 } } siren.schedule_alarm(sample_alarm) # Keep main thread alive (in a real app, this would be handled differently) try: while True: time.sleep(1) except KeyboardInterrupt: print("Alarm siren stopped") if __name__ == "__main__": main()