esphome/esphomeyaml/config.py

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from __future__ import print_function
import importlib
import logging
from collections import OrderedDict
import voluptuous as vol
from voluptuous.humanize import humanize_error
import esphomeyaml.config_validation as cv
from esphomeyaml import core, yaml_util
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from esphomeyaml.const import CONF_BOARD, CONF_BOARD_FLASH_MODE, CONF_ESPHOMEYAML, \
CONF_LIBRARY_URI, \
CONF_NAME, CONF_PLATFORM, CONF_SIMPLIFY, CONF_USE_BUILD_FLAGS, CONF_WIFI, ESP_PLATFORMS, \
ESP_PLATFORM_ESP32, ESP_PLATFORM_ESP8266
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from esphomeyaml.core import ESPHomeYAMLError
from esphomeyaml.helpers import App, add, color
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_LIBRARY_URI = u'https://github.com/OttoWinter/esphomelib.git#v1.6.0'
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BUILD_FLASH_MODES = ['qio', 'qout', 'dio', 'dout']
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CORE_SCHEMA = vol.Schema({
vol.Required(CONF_NAME): cv.valid_name,
vol.Required(CONF_PLATFORM): cv.string,
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vol.Required(CONF_BOARD): cv.string,
vol.Optional(CONF_LIBRARY_URI, default=DEFAULT_LIBRARY_URI): cv.string,
vol.Optional(CONF_SIMPLIFY, default=True): cv.boolean,
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vol.Optional(CONF_USE_BUILD_FLAGS, default=True): cv.boolean,
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vol.Optional(CONF_BOARD_FLASH_MODE): vol.All(vol.Lower, cv.one_of(*BUILD_FLASH_MODES)),
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})
REQUIRED_COMPONENTS = [
CONF_ESPHOMEYAML, CONF_WIFI
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]
_COMPONENT_CACHE = {}
_ALL_COMPONENTS = []
def core_to_code(config):
add(App.set_name(config[CONF_NAME]))
def get_component(domain):
if domain in _COMPONENT_CACHE:
return _COMPONENT_CACHE[domain]
path = 'esphomeyaml.components.{}'.format(domain)
try:
module = importlib.import_module(path)
except ImportError as err:
_LOGGER.debug(err)
else:
_COMPONENT_CACHE[domain] = module
return module
_LOGGER.error("Unable to find component %s", domain)
return None
def get_platform(domain, platform):
return get_component("{}.{}".format(domain, platform))
def is_platform_component(component):
return hasattr(component, 'PLATFORM_SCHEMA')
def iter_components(config):
for domain, conf in config.iteritems():
if domain == CONF_ESPHOMEYAML:
continue
component = get_component(domain)
yield domain, component, conf
if is_platform_component(component):
for p_config in conf:
p_name = u"{}.{}".format(domain, p_config[CONF_PLATFORM])
platform = get_component(p_name)
yield p_name, platform, p_config
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class Config(OrderedDict):
def __init__(self):
super(Config, self).__init__()
self.errors = []
def add_error(self, message, domain=None, config=None):
if not isinstance(message, unicode):
message = unicode(message)
self.errors.append((message, domain, config))
def validate_config(config):
global _ALL_COMPONENTS
for req in REQUIRED_COMPONENTS:
if req not in config:
raise ESPHomeYAMLError("Component {} is required for esphomeyaml.".format(req))
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_ALL_COMPONENTS = list(config.keys())
result = Config()
def _comp_error(ex, domain, config):
result.add_error(_format_config_error(ex, domain, config), domain, config)
try:
result[CONF_ESPHOMEYAML] = CORE_SCHEMA(config[CONF_ESPHOMEYAML])
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except vol.Invalid as ex:
_comp_error(ex, CONF_ESPHOMEYAML, config)
for domain, conf in config.iteritems():
if domain == CONF_ESPHOMEYAML:
continue
if conf is None:
conf = {}
component = get_component(domain)
if component is None:
result.add_error(u"Component not found: {}".format(domain))
continue
esp_platforms = getattr(component, 'ESP_PLATFORMS', ESP_PLATFORMS)
if core.ESP_PLATFORM not in esp_platforms:
result.add_error(u"Component {} doesn't support {}.".format(domain, core.ESP_PLATFORM))
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continue
success = True
dependencies = getattr(component, 'DEPENDENCIES', [])
for dependency in dependencies:
if dependency not in _ALL_COMPONENTS:
result.add_error(u"Component {} requires {}".format(domain, dependency))
success = False
if not success:
continue
if hasattr(component, 'CONFIG_SCHEMA'):
try:
validated = component.CONFIG_SCHEMA(conf)
result[domain] = validated
except vol.Invalid as ex:
_comp_error(ex, domain, conf)
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continue
if not hasattr(component, 'PLATFORM_SCHEMA'):
continue
platforms = []
for p_config in conf:
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if not isinstance(p_config, dict):
result.add_error(u"Platform schemas must have 'platform:' key")
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continue
p_name = p_config.get(u'platform')
if p_name is None:
result.add_error(u"No platform specified for {}".format(domain))
continue
platform = get_platform(domain, p_name)
if platform is None:
result.add_error(u"Platform not found: {}.{}")
continue
success = True
dependencies = getattr(platform, 'DEPENDENCIES', [])
for dependency in dependencies:
if dependency not in _ALL_COMPONENTS:
result.add_error(u"Platform {}.{} requires {}".format(domain, p_name,
dependency))
success = False
if not success:
continue
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esp_platforms = getattr(platform, 'ESP_PLATFORMS', ESP_PLATFORMS)
if core.ESP_PLATFORM not in esp_platforms:
result.add_error(
u"Platform {}.{} doesn't support {}.".format(domain, p_name, core.ESP_PLATFORM))
continue
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if hasattr(platform, u'PLATFORM_SCHEMA'):
try:
p_validated = platform.PLATFORM_SCHEMA(p_config)
except vol.Invalid as ex:
_comp_error(ex, u'{}.{}'.format(domain, p_name), p_config)
continue
platforms.append(p_validated)
result[domain] = platforms
return result
REQUIRED = ['esphomeyaml', 'wifi']
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def _format_config_error(ex, domain, config):
message = u"Invalid config for [{}]: ".format(domain)
if u'extra keys not allowed' in ex.error_message:
message += u'[{}] is an invalid option for [{}]. Check: {}->{}.' \
.format(ex.path[-1], domain, domain,
u'->'.join(str(m) for m in ex.path))
else:
message += u'{}.'.format(humanize_error(config, ex))
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if isinstance(config, list):
return message
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domain_config = config.get(domain, config)
message += u" (See {}, line {}). ".format(
getattr(domain_config, '__config_file__', '?'),
getattr(domain_config, '__line__', '?'))
return message
def load_config(path):
try:
config = yaml_util.load_yaml(path)
except OSError:
raise ESPHomeYAMLError(u"Could not read configuration file at {}".format(path))
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core.RAW_CONFIG = config
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if CONF_ESPHOMEYAML not in config:
raise ESPHomeYAMLError(u"No esphomeyaml section in config")
core_conf = config[CONF_ESPHOMEYAML]
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if CONF_PLATFORM not in core_conf:
raise ESPHomeYAMLError("esphomeyaml.platform not specified.")
esp_platform = unicode(core_conf[CONF_PLATFORM])
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esp_platform = esp_platform.upper()
if '8266' in esp_platform:
esp_platform = ESP_PLATFORM_ESP8266
if '32' in esp_platform:
esp_platform = ESP_PLATFORM_ESP32
core.ESP_PLATFORM = esp_platform
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if CONF_BOARD not in core_conf:
raise ESPHomeYAMLError("esphomeyaml.board not specified.")
core.BOARD = unicode(core_conf[CONF_BOARD])
core.SIMPLIFY = cv.boolean(core_conf.get(CONF_SIMPLIFY, True))
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try:
result = validate_config(config)
except Exception:
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print(u"Unexpected exception while reading configuration:")
raise
return result
def line_info(obj, **kwargs):
"""Display line config source."""
if hasattr(obj, '__config_file__'):
return color('cyan', "[source {}:{}]"
.format(obj.__config_file__, obj.__line__ or '?'),
**kwargs)
return '?'
def dump_dict(layer, indent_count=3, listi=False, **kwargs):
def sort_dict_key(val):
"""Return the dict key for sorting."""
key = str.lower(val[0])
return '0' if key == 'platform' else key
indent_str = indent_count * ' '
if listi or isinstance(layer, list):
indent_str = indent_str[:-1] + '-'
if isinstance(layer, dict):
for key, value in sorted(layer.items(), key=sort_dict_key):
if isinstance(value, (dict, list)):
print(indent_str, key + ':', line_info(value, **kwargs))
dump_dict(value, indent_count + 2)
else:
print(indent_str, key + ':', value)
indent_str = indent_count * ' '
if isinstance(layer, (list, tuple)):
for i in layer:
if isinstance(i, dict):
dump_dict(i, indent_count + 2, True)
else:
print(' ', indent_str, i)
def read_config(path):
_LOGGER.debug("Reading configuration...")
try:
res = load_config(path)
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except ESPHomeYAMLError as err:
_LOGGER.error(u"Error while reading config: %s", err)
return None
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excepts = {}
for err in res.errors:
domain = err[1] or u"General Error"
excepts.setdefault(domain, []).append(err[0])
if err[2] is not None:
excepts[domain].append(err[2])
if excepts:
print(color('bold_white', u"Failed config"))
for domain, config in excepts.iteritems():
print(' ', color('bold_red', domain + ':'), color('red', '', reset='red'))
dump_dict(config, reset='red')
print(color('reset'))
return None
return dict(**res)