text: import sys
  import time
  from pathlib import Path
  import logging
  import os
  import datetime
  
  from watchdog.observers import Observer
  from watchdog.events import RegexMatchingEventHandler
  
  from config import Config, ConfigError
  from s3bucket import S3Bucket, S3BucketError
  from supervisorapi import SupervisorAPI, SupervisorAPIError
  
  logging.basicConfig()
  logger = logging.getLogger(__name__)
  
  
  class BackupEventHandler(RegexMatchingEventHandler):
      BACKUP_REGEX = [r".+\.tar$"]
  
      def __init__(self, config: Config, s3_bucket: S3Bucket, supervisor_api: SupervisorAPI):
          """Handle new files in the HASS backup directory
  
          Args:
              s3_bucket (S3Bucket): S3 bucket to upload files to
          """
          super().__init__(self.BACKUP_REGEX)
          self.config = config
          self.s3_bucket = s3_bucket
          self.supervisor_api = supervisor_api
  
      def on_created(self, event):
          self.process(event)
  
      def process(self, event):
          """Process a new file
  
          Args:
              event:
          """
          logger.info(f"Processing new file {event.src_path}")
  
          file_size = -1
          while file_size != os.path.getsize(event.src_path):
              file_size = os.path.getsize(event.src_path)
              time.sleep(1)
  
          file_name = Path(event.src_path).name
          slug = Path(event.src_path).stem
  
          try:
              upload_file(Path(event.src_path),
                          self.s3_bucket, self.supervisor_api)
          except S3BucketError as err:
              logger.exception(f"Error uploading file: {err}")
          else:
              if config.keep_local_snapshots is not None:
                  logger.info("Cleaning up local snapshots")
                  try:
                      snapshots = self.supervisor_api.get_snapshots()
                  except SupervisorAPIError as err:
                      logger.exception(
                          "Error getting list of snapshots from the Home Assistant Supervisor API")
                  else:
                      snapshots.sort(key=lambda s: datetime.datetime.strptime(
                          s["date"], "%Y-%m-%dT%H:%M:%S.%f%z"))
                      snapshots_to_delete = snapshots[:-
                                                      config.keep_local_snapshots]
                      logger.info(
                          f"Deleting the following snapshots: {[s['name'] for s in snapshots_to_delete]}")
                      for snapshot in snapshots_to_delete:
                          logger.debug(
                              f"Removing snapshot {snapshot.get('name')}")
                          if not supervisor_api.remove_snapshot(snapshot.get("slug")):
                              logger.warn(
                                  f"Error removing snapshot {snapshot.get('name')}")
  
  
  class FileWatcher:
      def __init__(self, config: Config, s3_bucket: S3Bucket, supervisor_api: SupervisorAPI):
          """Watch for new files in the backup directory
  
          Args:
              monitor_path (str): Path to monitor for new fiels
              s3_bucket (S3Bucket): S3 bucket to upload files to
          """
          self.config = config
          self.event_handler = BackupEventHandler(
              config, s3_bucket, supervisor_api)
          self.event_observer = Observer()
  
      def run(self):
          self.start()
          try:
              while True:
                  time.sleep(1)
          except KeyboardInterrupt:
              self.stop()
  
      def start(self):
          self.schedule()
          self.event_observer.start()
  
      def stop(self):
          self.event_observer.stop()
          self.event_observer.join()
  
      def schedule(self):
          logger.info(
              f"Monitoring path {self.config.monitor_path} for new snapshots")
          self.event_observer.schedule(
              self.event_handler,
              str(self.config.monitor_path),
              recursive=True
          )
  
  
  def set_log_level(hass_log_level: str):
      """Set this script's log level based on the level set in the HASS config for this addon
  
      Args:
          hass_log_level (str): A log level (1-8)
      """
      if hass_log_level:
          hass_log_level = hass_log_level.strip()
  
      level_map = {
          "8": logging.NOTSET,
          "7": logging.DEBUG,
          "6": logging.DEBUG,
          "5": logging.INFO,
          "4": logging.INFO,
          "3": logging.WARNING,
          "2": logging.ERROR,
          "1": logging.CRITICAL
      }
      logger.setLevel(level_map.get(hass_log_level, logging.NOTSET))
  
  
  def upload_file(file: Path, s3_bucket: S3Bucket, supervisor_api: SupervisorAPI):
      slug = file.stem
      metadata = None
      try:
          snapshot_detail = supervisor_api.get_snapshot(slug)
          metadata_keys = ["type", "name", "date", "homeassistant"]
          metadata = {k: snapshot_detail[k]
                      for k in snapshot_detail if k in metadata_keys}
      except SupervisorAPIError as err:
          logger.warning(
              f"Error getting snapshot info from Home Assistant Supervisor API : {err}")
  
      logger.info(f"Uploading file {file} to S3 with metadata {metadata}")
      s3_bucket.upload_file(str(file), metadata)
  
  
  if __name__ == "__main__":
      set_log_level(os.environ.get("LOG_LEVEL"))
  
      try:
          config = Config()
      except ConfigError as err:
          logger.critical(f"Configuration error: {err}")
          sys.exit(1)
  
      s3_bucket = S3Bucket(config.bucket_name,
                           config.bucket_region, config.storage_class)
  
      supervisor_api = SupervisorAPI(os.getenv("SUPERVISOR_TOKEN"))
  
      bucket_contents = []
      try:
          bucket_contents = s3_bucket.list_bucket()
      except Exception:
          logger.critical("Error listing contents of S3 bucket!")
          sys.exit(1)
  
      local_files = [x.name for x in config.monitor_path.iterdir()
                     if x.is_file()]
  
      for local_file in local_files:
          file = Path(config.monitor_path, local_file)
          file_size = file.stat().st_size
          found_in_s3 = [f for f in bucket_contents if f.get(
              "name") == str(file).lstrip("/")]
          if len(found_in_s3) > 0:
              if file_size == found_in_s3[0]["size"]:
                  logger.debug(
                      f"Local file {file} found in S3 with matching size of {file_size} bytes")
              else:
                  logger.warning(
                      f"Local file {file} does not match the file in S3")
                  try:
                      upload_file(file, s3_bucket, supervisor_api)
                  except S3BucketError as err:
                      logger.exception(f"Error uploading file: {err}")
          else:
              logger.warning(
                  f"Local file {file} not found in S3")
              if config.upload_missing_files:
                  try:
                      upload_file(file, s3_bucket, supervisor_api)
                  except S3BucketError as err:
                      logger.exception(f"Error uploading file: {err}")
  
      FileWatcher(config, s3_bucket, supervisor_api).run()
  