mirror of
https://github.com/esphome/esphome.git
synced 2024-11-23 23:48:11 +01:00
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
from abc import ABC, abstractmethod
|
|
import contextvars
|
|
from typing import Any
|
|
|
|
import esphome.config_validation as cv
|
|
from esphome.types import ID, ConfigFragmentType, ConfigPathType
|
|
|
|
|
|
class FinalValidateConfig(ABC):
|
|
@property
|
|
@abstractmethod
|
|
def data(self) -> dict[str, Any]:
|
|
"""A dictionary that can be used by post validation functions to store
|
|
global data during the validation phase. Each component should store its
|
|
data under a unique key
|
|
"""
|
|
|
|
@abstractmethod
|
|
def get_path_for_id(self, id: ID) -> ConfigPathType:
|
|
"""Get the config path a given ID has been declared in.
|
|
|
|
This is the location under the _validated_ config (for example, with cv.ensure_list applied)
|
|
Raises KeyError if the id was not declared in the configuration.
|
|
"""
|
|
|
|
@abstractmethod
|
|
def get_config_for_path(self, path: ConfigPathType) -> ConfigFragmentType:
|
|
"""Get the config fragment for the given global path.
|
|
|
|
Raises KeyError if a key in the path does not exist.
|
|
"""
|
|
|
|
|
|
FinalValidateConfig.register(dict)
|
|
|
|
# Context variable tracking the full config for some final validation functions.
|
|
full_config: contextvars.ContextVar[FinalValidateConfig] = contextvars.ContextVar(
|
|
"full_config"
|
|
)
|
|
|
|
|
|
def id_declaration_match_schema(schema):
|
|
"""A final-validation schema function that applies a schema to the outer config fragment of an
|
|
ID declaration.
|
|
|
|
This validator must be applied to ID values.
|
|
"""
|
|
if not isinstance(schema, cv.Schema):
|
|
schema = cv.Schema(schema, extra=cv.ALLOW_EXTRA)
|
|
|
|
def validator(value):
|
|
fconf = full_config.get()
|
|
path = fconf.get_path_for_id(value)[:-1]
|
|
declaration_config = fconf.get_config_for_path(path)
|
|
with cv.prepend_path([cv.ROOT_CONFIG_PATH] + path):
|
|
return schema(declaration_config)
|
|
|
|
return validator
|