mirror of
https://github.com/esphome/esphome.git
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120 lines
3.7 KiB
Python
120 lines
3.7 KiB
Python
import logging
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from esphome.const import (
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CONF_INVERTED,
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CONF_MODE,
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CONF_NUMBER,
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CONF_SETUP_PRIORITY,
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CONF_UPDATE_INTERVAL,
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CONF_TYPE_ID,
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)
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# pylint: disable=unused-import
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from esphome.core import coroutine, ID, CORE
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from esphome.types import ConfigType
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from esphome.cpp_generator import RawExpression, add, get_variable
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from esphome.cpp_types import App, GPIOPin
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from esphome.util import Registry, RegistryEntry
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_LOGGER = logging.getLogger(__name__)
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async def gpio_pin_expression(conf):
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"""Generate an expression for the given pin option.
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This is a coroutine, you must await it with a 'await' expression!
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"""
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if conf is None:
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return
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from esphome import pins
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for key, (func, _) in pins.PIN_SCHEMA_REGISTRY.items():
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if key in conf:
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return await coroutine(func)(conf)
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number = conf[CONF_NUMBER]
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mode = conf[CONF_MODE]
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inverted = conf.get(CONF_INVERTED)
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return GPIOPin.new(number, RawExpression(mode), inverted)
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async def register_component(var, config):
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"""Register the given obj as a component.
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This is a coroutine, you must await it with a 'await' expression!
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:param var: The variable representing the component.
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:param config: The configuration for the component.
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"""
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import inspect
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id_ = str(var.base)
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if id_ not in CORE.component_ids:
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raise ValueError(
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"Component ID {} was not declared to inherit from Component, "
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"or was registered twice. Please create a bug report with your "
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"configuration.".format(id_)
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)
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CORE.component_ids.remove(id_)
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if CONF_SETUP_PRIORITY in config:
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add(var.set_setup_priority(config[CONF_SETUP_PRIORITY]))
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if CONF_UPDATE_INTERVAL in config:
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add(var.set_update_interval(config[CONF_UPDATE_INTERVAL]))
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# Set component source by inspecting the stack and getting the callee module
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# https://stackoverflow.com/a/1095621
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name = None
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try:
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for frm in inspect.stack()[1:]:
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mod = inspect.getmodule(frm[0])
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if mod is None:
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continue
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name = mod.__name__
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if name.startswith("esphome.components."):
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name = name[len("esphome.components.") :]
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break
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if name == "esphome.automation":
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name = "automation"
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# continue looking further up in stack in case we find a better one
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if name == "esphome.coroutine":
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# Only works for async-await coroutine syntax
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break
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except (KeyError, AttributeError, IndexError) as e:
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_LOGGER.warning(
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"Error while finding name of component, please report this", exc_info=e
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)
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if name is not None:
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add(var.set_component_source(name))
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add(App.register_component(var))
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return var
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async def register_parented(var, value):
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if isinstance(value, ID):
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paren = await get_variable(value)
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else:
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paren = value
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add(var.set_parent(paren))
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def extract_registry_entry_config(registry, full_config):
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# type: (Registry, ConfigType) -> RegistryEntry
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key, config = next((k, v) for k, v in full_config.items() if k in registry)
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return registry[key], config
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async def build_registry_entry(registry, full_config):
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registry_entry, config = extract_registry_entry_config(registry, full_config)
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type_id = full_config[CONF_TYPE_ID]
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builder = registry_entry.coroutine_fun
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return await builder(config, type_id)
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async def build_registry_list(registry, config):
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actions = []
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for conf in config:
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action = await build_registry_entry(registry, conf)
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actions.append(action)
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return actions
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