esphome/esphome/config_helpers.py

import json
import os

from esphome.core import CORE
from esphome.helpers import read_file


def read_config_file(path):
    # type: (str) -> str
    if CORE.vscode and (
        not CORE.ace or os.path.abspath(path) == os.path.abspath(CORE.config_path)
    ):
        print(
            json.dumps(
                {
                    "type": "read_file",
                    "path": path,
                }
            )
        )
        data = json.loads(input())
        assert data["type"] == "file_response"
        return data["content"]

    return read_file(path)