def get_reply_blocks(self, job_name, job_result, failures, device, text):
        """
        failures: A list with elements of the form {"line": full test name, "trace": error trace}
        """
        # `text` must be less than 3001 characters in Slack SDK
        # keep some room for adding "[Truncated]" when necessary
        MAX_ERROR_TEXT = 3000 - len("[Truncated]")

        failure_text = ""
        for idx, error in enumerate(failures):
            new_text = failure_text + f'*{error["line"]}*\n_{error["trace"]}_\n\n'
            if len(new_text) > MAX_ERROR_TEXT:
                # `failure_text` here has length <= 3000
                failure_text = failure_text + "[Truncated]"
                break
            # `failure_text` here has length <= MAX_ERROR_TEXT
            failure_text = new_text

        title = job_name
        if device is not None:
            title += f" ({device}-gpu)"

        content = {"type": "section", "text": {"type": "mrkdwn", "text": text}}

        # TODO: Make sure we always have a valid job link (or at least a way not to break the report sending)
        # Currently we get the device from a job's artifact name.
        # If a device is found, the job name should contain the device type, for example, `XXX (single-gpu)`.
        # This could be done by adding `machine_type` in a job's `strategy`.
        # (If `job_result["job_link"][device]` is `None`, we get an error: `... [ERROR] must provide a string ...`)
        if job_result["job_link"] is not None and job_result["job_link"][device] is not None:
            content["accessory"] = {
                "type": "button",
                "text": {"type": "plain_text", "text": "GitHub Action job", "emoji": True},
                "url": job_result["job_link"][device],
            }

        return [
            {"type": "header", "text": {"type": "plain_text", "text": title.upper(), "emoji": True}},
            content,
            {"type": "section", "text": {"type": "mrkdwn", "text": failure_text}},
        ]

        failures: A list with elements of the form {"line": full test name, "trace": error trace}
        
dpkd/transformers/utils/notification_service.py