def download_blob()

in tools/blob.py [0:0]

• 22 lines of code
• 4 McCabe index (conditional complexity)

    def download_blob(self):
        """
        Downloads the blob data from Azure Blob Storage.

        Returns:
            bytes: The content of the blob.

        Raises:
            Exception: If downloading the blob fails after retries.
        """
        blob_client = self.blob_service_client.get_blob_client(container=self.container_name, blob=self.blob_name)
        blob_error = None
        data = b""

        try:
            logging.debug(f"[blob][{self.blob_name}] Attempting to download blob.")
            data = blob_client.download_blob().readall()
            logging.info(f"[blob][{self.blob_name}] Blob downloaded successfully.")
        except Exception as e:
            logging.warning(f"[blob][{self.blob_name}] Connection error, retrying in 10 seconds... Error: {e}")
            time.sleep(10)
            try:
                data = blob_client.download_blob().readall()
                logging.info(f"[blob][{self.blob_name}] Blob downloaded successfully on retry.")
            except Exception as e_retry:
                blob_error = e_retry
                logging.error(f"[blob][{self.blob_name}] Failed to download blob after retry: {blob_error}")

        if blob_error:
            error_message = f"Blob client error when reading from blob storage: {blob_error}"
            logging.error(f"[blob][{self.blob_name}] {error_message}")
            raise Exception(error_message)

        return data