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