esphome/esphome/components/packages/__init__.py

52 lines
2.0 KiB
Python

from deepmerge import conservative_merger as package_merger
import esphome.config_validation as cv
from esphome.const import CONF_PACKAGES
VALID_PACKAGE_NAME_CHARS = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_'
def _merge_package(config, package_name, package_config):
config = config.copy()
package_merger.merge(config, package_config)
return config
def _is_valid_package_name(value: str) -> bool:
if not value:
return False
if value[0].isdigit():
return False
try:
cv.valid_name(value)
except cv.Invalid:
return False
return True
def do_packages_pass(config: dict):
if CONF_PACKAGES not in config:
return
packages = config[CONF_PACKAGES]
temp_config = config.copy()
with cv.prepend_path(CONF_PACKAGES):
if packages is not None and not isinstance(packages, dict):
raise cv.Invalid("Packages must be a key to value mapping, got {} instead"
"".format(type(packages)))
for package_name, package_config in packages.items():
with cv.prepend_path(package_name):
if not isinstance(package_config, dict):
raise cv.Invalid("Package definition must be a dictionary containing valid "
"esphome configuration to be merged with the main "
"config, got {} instead"
.format(type(package_config)))
if not _is_valid_package_name(package_name):
raise cv.Invalid("Package name is invalid. Valid name should consist of "
"letters, numbers and underscores. It shouldn't also "
"start with number")
temp_config = _merge_package(temp_config, package_name, package_config)
del temp_config[CONF_PACKAGES]
config.clear()
config.update(temp_config)