| 288 | |
| 289 | |
| 290 | def read_nested(json_object, path): |
| 291 | first_path_element = path[0] |
| 292 | value = json_object.get(first_path_element) |
| 293 | |
| 294 | if len(path) == 1: |
| 295 | return value |
| 296 | |
| 297 | if value is None: |
| 298 | return None |
| 299 | |
| 300 | if isinstance(value, dict): |
| 301 | return read_nested(value, path[1:]) |
| 302 | |
| 303 | if isinstance(value, list): |
| 304 | result = [] |
| 305 | |
| 306 | for value_element in value: |
| 307 | nested_value = read_nested(value_element, path[1:]) |
| 308 | if isinstance(nested_value, list): |
| 309 | result.extend(nested_value) |
| 310 | elif nested_value is not None: |
| 311 | result.append(nested_value) |
| 312 | |
| 313 | if not result: |
| 314 | return None |
| 315 | if len(result) == 1: |
| 316 | return result[0] |
| 317 | |
| 318 | return result |
| 319 | |
| 320 | return None |
| 321 | |
| 322 | |
| 323 | def read_enum(config, key, allowed_values, default=None): |