def iter_components(config):
for domain, conf in config.items():
component = get_component(domain)
if component.multi_conf:
for conf_ in conf:
yield domain, component, conf_
else:
yield domain, component, conf
if component.is_platform_component:
for p_config in conf:
p_name = "{}.{}".format(domain, p_config[CONF_PLATFORM])
platform = get_platform(domain, p_config[CONF_PLATFORM])
yield p_name, platform, p_config
def validate_config(config, command_line_substitutions):
result = Config()
loader.clear_component_meta_finders()
loader.install_custom_components_meta_finder()
# 0. Load packages
if CONF_PACKAGES in config:
from esphome.components.packages import do_packages_pass
result.add_output_path([CONF_PACKAGES], CONF_PACKAGES)
try:
config = do_packages_pass(config)
except vol.Invalid as err:
result.update(config)
result.add_error(err)
return result
# 1. Load substitutions
if CONF_SUBSTITUTIONS in config:
from esphome.components import substitutions
result[CONF_SUBSTITUTIONS] = {
**config[CONF_SUBSTITUTIONS],
**command_line_substitutions,
}
result.add_output_path([CONF_SUBSTITUTIONS], CONF_SUBSTITUTIONS)
try:
substitutions.do_substitution_pass(config,
command_line_substitutions)
except vol.Invalid as err:
result.add_error(err)
return result
# 1.1. Check for REPLACEME special value
try:
recursive_check_replaceme(config)
except vol.Invalid as err:
result.add_error(err)
# 1.2. Load external_components
if CONF_EXTERNAL_COMPONENTS in config:
from esphome.components.external_components import do_external_components_pass
result.add_output_path([CONF_EXTERNAL_COMPONENTS],
CONF_EXTERNAL_COMPONENTS)
try:
do_external_components_pass(config)
except vol.Invalid as err:
result.update(config)
result.add_error(err)
return result
if "esphomeyaml" in config:
_LOGGER.warning(
"The esphomeyaml section has been renamed to esphome in 1.11.0. "
"Please replace 'esphomeyaml:' in your configuration with 'esphome:'."
)
config[CONF_ESPHOME] = config.pop("esphomeyaml")
if CONF_ESPHOME not in config:
result.add_str_error(
"'esphome' section missing from configuration. Please make sure "
"your configuration has an 'esphome:' line in it.",
[],
)
return result
# 2. Load partial core config
result[CONF_ESPHOME] = config[CONF_ESPHOME]
result.add_output_path([CONF_ESPHOME], CONF_ESPHOME)
try:
core_config.preload_core_config(config)
except vol.Invalid as err:
result.add_error(err)
return result
# Remove temporary esphome config path again, it will be reloaded later
result.remove_output_path([CONF_ESPHOME], CONF_ESPHOME)
# 3. Load components.
# Load components (also AUTO_LOAD) and set output paths of result
# Queue of items to load, FIFO
load_queue = collections.deque()
for domain, conf in config.items():
load_queue.append((domain, conf))
# List of items to enter next stage
check_queue = (
[]
) # type: List[Tuple[ConfigPath, str, ConfigType, ComponentManifest]]
# This step handles:
# - Adding output path
# - Auto Load
# - Loading configs into result
while load_queue:
domain, conf = load_queue.popleft()
if domain.startswith("."):
# Ignore top-level keys starting with a dot
continue
result.add_output_path([domain], domain)
result[domain] = conf
component = get_component(domain)
path = [domain]
if component is None:
result.add_str_error(f"Component not found: {domain}", path)
continue
CORE.loaded_integrations.add(domain)
# Process AUTO_LOAD
for load in component.auto_load:
if load not in config:
load_conf = core.AutoLoad()
config[load] = load_conf
load_queue.append((load, load_conf))
if not component.is_platform_component:
check_queue.append(([domain], domain, conf, component))
continue
# This is a platform component, proceed to reading platform entries
# Remove this is as an output path
result.remove_output_path([domain], domain)
# Ensure conf is a list
if not conf:
result[domain] = conf = []
elif not isinstance(conf, list):
result[domain] = conf = [conf]
for i, p_config in enumerate(conf):
path = [domain, i]
# Construct temporary unknown output path
p_domain = f"{domain}.unknown"
result.add_output_path(path, p_domain)
result[domain][i] = p_config
if not isinstance(p_config, dict):
result.add_str_error(
"Platform schemas must be key-value pairs.", path)
continue
p_name = p_config.get("platform")
if p_name is None:
result.add_str_error(
"No platform specified! See 'platform' key.", path)
continue
# Remove temp output path and construct new one
result.remove_output_path(path, p_domain)
p_domain = f"{domain}.{p_name}"
result.add_output_path(path, p_domain)
# Try Load platform
platform = get_platform(domain, p_name)
if platform is None:
result.add_str_error(f"Platform not found: '{p_domain}'", path)
continue
CORE.loaded_integrations.add(p_name)
# Process AUTO_LOAD
for load in platform.auto_load:
if load not in config:
load_conf = core.AutoLoad()
config[load] = load_conf
load_queue.append((load, load_conf))
check_queue.append((path, p_domain, p_config, platform))
# 4. Validate component metadata, including
# - Transformation (nullable, multi conf)
# - Dependencies
# - Conflicts
# - Supported ESP Platform
# List of items to proceed to next stage
validate_queue = [
] # type: List[Tuple[ConfigPath, ConfigType, ComponentManifest]]
for path, domain, conf, comp in check_queue:
if conf is None:
result[domain] = conf = {}
success = True
for dependency in comp.dependencies:
if dependency not in config:
result.add_str_error(
"Component {} requires component {}"
"".format(domain, dependency),
path,
)
success = False
if not success:
continue
success = True
for conflict in comp.conflicts_with:
if conflict in config:
result.add_str_error(
"Component {} cannot be used together with component {}"
"".format(domain, conflict),
path,
)
success = False
if not success:
continue
if CORE.esp_platform not in comp.esp_platforms:
result.add_str_error(
"Component {} doesn't support {}.".format(
domain, CORE.esp_platform),
path,
)
continue
if (not comp.is_platform_component and comp.config_schema is None
and not isinstance(conf, core.AutoLoad)):
result.add_str_error(
"Component {} cannot be loaded via YAML "
"(no CONFIG_SCHEMA).".format(domain),
path,
)
continue
if comp.multi_conf:
if not isinstance(conf, list):
result[domain] = conf = [conf]
if not isinstance(comp.multi_conf,
bool) and len(conf) > comp.multi_conf:
result.add_str_error(
"Component {} supports a maximum of {} "
"entries ({} found).".format(domain, comp.multi_conf,
len(conf)),
path,
)
continue
for i, part_conf in enumerate(conf):
validate_queue.append((path + [i], part_conf, comp))
continue
validate_queue.append((path, conf, comp))
# 5. Validate configuration schema
for path, conf, comp in validate_queue:
if comp.config_schema is None:
continue
with result.catch_error(path):
if comp.is_platform:
# Remove 'platform' key for validation
input_conf = OrderedDict(conf)
platform_val = input_conf.pop("platform")
validated = comp.config_schema(input_conf)
# Ensure result is OrderedDict so we can call move_to_end
if not isinstance(validated, OrderedDict):
validated = OrderedDict(validated)
validated["platform"] = platform_val
validated.move_to_end("platform", last=False)
result.set_by_path(path, validated)
else:
validated = comp.config_schema(conf)
result.set_by_path(path, validated)
# 6. If no validation errors, check IDs
if not result.errors:
# Only parse IDs if no validation error. Otherwise
# user gets confusing messages
do_id_pass(result)
return result
def run(self, result: Config) -> None:
if self.domain.startswith("."):
# Ignore top-level keys starting with a dot
return
result.add_output_path([self.domain], self.domain)
result[self.domain] = self.conf
component = get_component(self.domain)
path = [self.domain]
if component is None:
result.add_str_error(f"Component not found: {self.domain}", path)
return
CORE.loaded_integrations.add(self.domain)
# Process AUTO_LOAD
for load in component.auto_load:
if load not in result:
result.add_validation_step(AutoLoadValidationStep(load))
if not component.is_platform_component:
result.add_validation_step(
MetadataValidationStep([self.domain], self.domain, self.conf,
component))
return
# This is a platform component, proceed to reading platform entries
# Remove this is as an output path
result.remove_output_path([self.domain], self.domain)
# Ensure conf is a list
if not self.conf:
result[self.domain] = self.conf = []
elif not isinstance(self.conf, list):
result[self.domain] = self.conf = [self.conf]
for i, p_config in enumerate(self.conf):
path = [self.domain, i]
# Construct temporary unknown output path
p_domain = f"{self.domain}.unknown"
result.add_output_path(path, p_domain)
result[self.domain][i] = p_config
if not isinstance(p_config, dict):
result.add_str_error(
"Platform schemas must be key-value pairs.", path)
continue
p_name = p_config.get("platform")
if p_name is None:
result.add_str_error(
"No platform specified! See 'platform' key.", path)
continue
# Remove temp output path and construct new one
result.remove_output_path(path, p_domain)
p_domain = f"{self.domain}.{p_name}"
result.add_output_path(path, p_domain)
# Try Load platform
platform = get_platform(self.domain, p_name)
if platform is None:
result.add_str_error(f"Platform not found: '{p_domain}'", path)
continue
CORE.loaded_integrations.add(p_name)
# Process AUTO_LOAD
for load in platform.auto_load:
if load not in result:
result.add_validation_step(AutoLoadValidationStep(load))
result.add_validation_step(
MetadataValidationStep(path, p_domain, p_config, platform))