text: """Template helper methods for rendering strings with Home Assistant data."""
  from __future__ import annotations
  
  from ast import literal_eval
  import asyncio
  import base64
  import collections.abc
  from collections.abc import Generator, Iterable
  from contextlib import suppress
  from contextvars import ContextVar
  from datetime import datetime, timedelta
  from functools import partial, wraps
  import json
  import logging
  import math
  from operator import attrgetter
  import random
  import re
  import sys
  from typing import Any, Callable, cast
  from urllib.parse import urlencode as urllib_urlencode
  import weakref
  
  import jinja2
  from jinja2 import contextfilter, contextfunction
  from jinja2.sandbox import ImmutableSandboxedEnvironment
  from jinja2.utils import Namespace
  import voluptuous as vol
  
  from homeassistant.const import (
      ATTR_ENTITY_ID,
      ATTR_LATITUDE,
      ATTR_LONGITUDE,
      ATTR_UNIT_OF_MEASUREMENT,
      LENGTH_METERS,
      STATE_UNKNOWN,
  )
  from homeassistant.core import (
      HomeAssistant,
      State,
      callback,
      split_entity_id,
      valid_entity_id,
  )
  from homeassistant.exceptions import TemplateError
  from homeassistant.helpers import entity_registry, location as loc_helper
  from homeassistant.helpers.typing import TemplateVarsType
  from homeassistant.loader import bind_hass
  from homeassistant.util import convert, dt as dt_util, location as loc_util
  from homeassistant.util.async_ import run_callback_threadsafe
  from homeassistant.util.thread import ThreadWithException
  
  # mypy: allow-untyped-defs, no-check-untyped-defs
  
  _LOGGER = logging.getLogger(__name__)
  _SENTINEL = object()
  DATE_STR_FORMAT = "%Y-%m-%d %H:%M:%S"
  
  _RENDER_INFO = "template.render_info"
  _ENVIRONMENT = "template.environment"
  _ENVIRONMENT_LIMITED = "template.environment_limited"
  _ENVIRONMENT_STRICT = "template.environment_strict"
  
  _RE_JINJA_DELIMITERS = re.compile(r"\{%|\{\{|\{#")
  # Match "simple" ints and floats. -1.0, 1, +5, 5.0
  _IS_NUMERIC = re.compile(r"^[+-]?(?!0\d)\d*(?:\.\d*)?$")
  
  _RESERVED_NAMES = {"contextfunction", "evalcontextfunction", "environmentfunction"}
  
  _GROUP_DOMAIN_PREFIX = "group."
  
  _COLLECTABLE_STATE_ATTRIBUTES = {
      "state",
      "attributes",
      "last_changed",
      "last_updated",
      "context",
      "domain",
      "object_id",
      "name",
  }
  
  ALL_STATES_RATE_LIMIT = timedelta(minutes=1)
  DOMAIN_STATES_RATE_LIMIT = timedelta(seconds=1)
  
  template_cv: ContextVar[str | None] = ContextVar("template_cv", default=None)
  
  
  @bind_hass
  def attach(hass: HomeAssistant, obj: Any) -> None:
      """Recursively attach hass to all template instances in list and dict."""
      if isinstance(obj, list):
          for child in obj:
              attach(hass, child)
      elif isinstance(obj, collections.abc.Mapping):
          for child_key, child_value in obj.items():
              attach(hass, child_key)
              attach(hass, child_value)
      elif isinstance(obj, Template):
          obj.hass = hass
  
  
  def render_complex(
      value: Any, variables: TemplateVarsType = None, limited: bool = False
  ) -> Any:
      """Recursive template creator helper function."""
      if isinstance(value, list):
          return [render_complex(item, variables) for item in value]
      if isinstance(value, collections.abc.Mapping):
          return {
              render_complex(key, variables): render_complex(item, variables)
              for key, item in value.items()
          }
      if isinstance(value, Template):
          return value.async_render(variables, limited=limited)
  
      return value
  
  
  def is_complex(value: Any) -> bool:
      """Test if data structure is a complex template."""
      if isinstance(value, Template):
          return True
      if isinstance(value, list):
          return any(is_complex(val) for val in value)
      if isinstance(value, collections.abc.Mapping):
          return any(is_complex(val) for val in value.keys()) or any(
              is_complex(val) for val in value.values()
          )
      return False
  
  
  def is_template_string(maybe_template: str) -> bool:
      """Check if the input is a Jinja2 template."""
      return _RE_JINJA_DELIMITERS.search(maybe_template) is not None
  
  
  class ResultWrapper:
      """Result wrapper class to store render result."""
  
      render_result: str | None
  
  
  def gen_result_wrapper(kls):
      """Generate a result wrapper."""
  
      class Wrapper(kls, ResultWrapper):
          """Wrapper of a kls that can store render_result."""
  
          def __init__(self, *args: tuple, render_result: str | None = None) -> None:
              super().__init__(*args)
              self.render_result = render_result
  
          def __str__(self) -> str:
              if self.render_result is None:
                  # Can't get set repr to work
                  if kls is set:
                      return str(set(self))
  
                  return cast(str, kls.__str__(self))
  
              return self.render_result
  
      return Wrapper
  
  
  class TupleWrapper(tuple, ResultWrapper):
      """Wrap a tuple."""
  
      # This is all magic to be allowed to subclass a tuple.
  
      def __new__(cls, value: tuple, *, render_result: str | None = None) -> TupleWrapper:
          """Create a new tuple class."""
          return super().__new__(cls, tuple(value))
  
      # pylint: disable=super-init-not-called
  
      def __init__(self, value: tuple, *, render_result: str | None = None):
          """Initialize a new tuple class."""
          self.render_result = render_result
  
      def __str__(self) -> str:
          """Return string representation."""
          if self.render_result is None:
              return super().__str__()
  
          return self.render_result
  
  
  RESULT_WRAPPERS: dict[type, type] = {
      kls: gen_result_wrapper(kls)  # type: ignore[no-untyped-call]
      for kls in (list, dict, set)
  }
  RESULT_WRAPPERS[tuple] = TupleWrapper
  
  
  def _true(arg: str) -> bool:
      return True
  
  
  def _false(arg: str) -> bool:
      return False
  
  
  class RenderInfo:
      """Holds information about a template render."""
  
      def __init__(self, template: Template) -> None:
          """Initialise."""
          self.template = template
          # Will be set sensibly once frozen.
          self.filter_lifecycle: Callable[[str], bool] = _true
          self.filter: Callable[[str], bool] = _true
          self._result: str | None = None
          self.is_static = False
          self.exception: TemplateError | None = None
          self.all_states = False
          self.all_states_lifecycle = False
          self.domains: collections.abc.Set[str] = set()
          self.domains_lifecycle: collections.abc.Set[str] = set()
          self.entities: collections.abc.Set[str] = set()
          self.rate_limit: timedelta | None = None
          self.has_time = False
  
      def __repr__(self) -> str:
          """Representation of RenderInfo."""
          return f"<RenderInfo {self.template} all_states={self.all_states} all_states_lifecycle={self.all_states_lifecycle} domains={self.domains} domains_lifecycle={self.domains_lifecycle} entities={self.entities} rate_limit={self.rate_limit}> has_time={self.has_time}"
  
      def _filter_domains_and_entities(self, entity_id: str) -> bool:
          """Template should re-render if the entity state changes when we match specific domains or entities."""
          return (
              split_entity_id(entity_id)[0] in self.domains or entity_id in self.entities
          )
  
      def _filter_entities(self, entity_id: str) -> bool:
          """Template should re-render if the entity state changes when we match specific entities."""
          return entity_id in self.entities
  
      def _filter_lifecycle_domains(self, entity_id: str) -> bool:
          """Template should re-render if the entity is added or removed with domains watched."""
          return split_entity_id(entity_id)[0] in self.domains_lifecycle
  
      def result(self) -> str:
          """Results of the template computation."""
          if self.exception is not None:
              raise self.exception
          return cast(str, self._result)
  
      def _freeze_static(self) -> None:
          self.is_static = True
          self._freeze_sets()
          self.all_states = False
  
      def _freeze_sets(self) -> None:
          self.entities = frozenset(self.entities)
          self.domains = frozenset(self.domains)
          self.domains_lifecycle = frozenset(self.domains_lifecycle)
  
      def _freeze(self) -> None:
          self._freeze_sets()
  
          if self.rate_limit is None:
              if self.all_states or self.exception:
                  self.rate_limit = ALL_STATES_RATE_LIMIT
              elif self.domains or self.domains_lifecycle:
                  self.rate_limit = DOMAIN_STATES_RATE_LIMIT
  
          if self.exception:
              return
  
          if not self.all_states_lifecycle:
              if self.domains_lifecycle:
                  self.filter_lifecycle = self._filter_lifecycle_domains
              else:
                  self.filter_lifecycle = _false
  
          if self.all_states:
              return
  
          if self.domains:
              self.filter = self._filter_domains_and_entities
          elif self.entities:
              self.filter = self._filter_entities
          else:
              self.filter = _false
  
  
  class Template:
      """Class to hold a template and manage caching and rendering."""
  
      __slots__ = (
          "__weakref__",
          "template",
          "hass",
          "is_static",
          "_compiled_code",
          "_compiled",
          "_exc_info",
          "_limited",
          "_strict",
      )
  
      def __init__(self, template, hass=None):
          """Instantiate a template."""
          if not isinstance(template, str):
              raise TypeError("Expected template to be a string")
  
          self.template: str = template.strip()
          self._compiled_code = None
          self._compiled: jinja2.Template | None = None
          self.hass = hass
          self.is_static = not is_template_string(template)
          self._exc_info = None
          self._limited = None
          self._strict = None
  
      @property
      def _env(self) -> TemplateEnvironment:
          if self.hass is None:
              return _NO_HASS_ENV
          if self._limited:
              wanted_env = _ENVIRONMENT_LIMITED
          elif self._strict:
              wanted_env = _ENVIRONMENT_STRICT
          else:
              wanted_env = _ENVIRONMENT
          ret: TemplateEnvironment | None = self.hass.data.get(wanted_env)
          if ret is None:
              ret = self.hass.data[wanted_env] = TemplateEnvironment(self.hass, self._limited, self._strict)  # type: ignore[no-untyped-call]
          return ret
  
      def ensure_valid(self) -> None:
          """Return if template is valid."""
          if self.is_static or self._compiled_code is not None:
              return
  
          try:
              self._compiled_code = self._env.compile(self.template)  # type: ignore[no-untyped-call]
          except jinja2.TemplateError as err:
              raise TemplateError(err) from err
  
      def render(
          self,
          variables: TemplateVarsType = None,
          parse_result: bool = True,
          limited: bool = False,
          **kwargs: Any,
      ) -> Any:
          """Render given template.
  
          If limited is True, the template is not allowed to access any function or filter depending on hass or the state machine.
          """
          if self.is_static:
              if not parse_result or self.hass.config.legacy_templates:
                  return self.template
              return self._parse_result(self.template)
  
          return run_callback_threadsafe(
              self.hass.loop,
              partial(self.async_render, variables, parse_result, limited, **kwargs),
          ).result()
  
      @callback
      def async_render(
          self,
          variables: TemplateVarsType = None,
          parse_result: bool = True,
          limited: bool = False,
          strict: bool = False,
          **kwargs: Any,
      ) -> Any:
          """Render given template.
  
          This method must be run in the event loop.
  
          If limited is True, the template is not allowed to access any function or filter depending on hass or the state machine.
          """
          if self.is_static:
              if not parse_result or self.hass.config.legacy_templates:
                  return self.template
              return self._parse_result(self.template)
  
          compiled = self._compiled or self._ensure_compiled(limited, strict)
  
          if variables is not None:
              kwargs.update(variables)
  
          try:
              render_result = _render_with_context(self.template, compiled, **kwargs)
          except Exception as err:
              raise TemplateError(err) from err
  
          render_result = render_result.strip()
  
          if self.hass.config.legacy_templates or not parse_result:
              return render_result
  
          return self._parse_result(render_result)
  
      def _parse_result(self, render_result: str) -> Any:  # pylint: disable=no-self-use
          """Parse the result."""
          try:
              result = literal_eval(render_result)
  
              if type(result) in RESULT_WRAPPERS:
                  result = RESULT_WRAPPERS[type(result)](
                      result, render_result=render_result
                  )
  
              # If the literal_eval result is a string, use the original
              # render, by not returning right here. The evaluation of strings
              # resulting in strings impacts quotes, to avoid unexpected
              # output; use the original render instead of the evaluated one.
              # Complex and scientific values are also unexpected. Filter them out.
              if (
                  # Filter out string and complex numbers
                  not isinstance(result, (str, complex))
                  and (
                      # Pass if not numeric and not a boolean
                      not isinstance(result, (int, float))
                      # Or it's a boolean (inherit from int)
                      or isinstance(result, bool)
                      # Or if it's a digit
                      or _IS_NUMERIC.match(render_result) is not None
                  )
              ):
                  return result
          except (ValueError, TypeError, SyntaxError, MemoryError):
              pass
  
          return render_result
  
      async def async_render_will_timeout(
          self,
          timeout: float,
          variables: TemplateVarsType = None,
          strict: bool = False,
          **kwargs: Any,
      ) -> bool:
          """Check to see if rendering a template will timeout during render.
  
          This is intended to check for expensive templates
          that will make the system unstable.  The template
          is rendered in the executor to ensure it does not
          tie up the event loop.
  
          This function is not a security control and is only
          intended to be used as a safety check when testing
          templates.
  
          This method must be run in the event loop.
          """
          if self.is_static:
              return False
  
          compiled = self._compiled or self._ensure_compiled(strict=strict)
  
          if variables is not None:
              kwargs.update(variables)
  
          self._exc_info = None
          finish_event = asyncio.Event()
  
          def _render_template() -> None:
              try:
                  _render_with_context(self.template, compiled, **kwargs)
              except TimeoutError:
                  pass
              except Exception:  # pylint: disable=broad-except
                  self._exc_info = sys.exc_info()
              finally:
                  run_callback_threadsafe(self.hass.loop, finish_event.set)
  
          try:
              template_render_thread = ThreadWithException(target=_render_template)
              template_render_thread.start()
              await asyncio.wait_for(finish_event.wait(), timeout=timeout)
              if self._exc_info:
                  raise TemplateError(self._exc_info[1].with_traceback(self._exc_info[2]))
          except asyncio.TimeoutError:
              template_render_thread.raise_exc(TimeoutError)
              return True
          finally:
              template_render_thread.join()
  
          return False
  
      @callback
      def async_render_to_info(
          self, variables: TemplateVarsType = None, strict: bool = False, **kwargs: Any
      ) -> RenderInfo:
          """Render the template and collect an entity filter."""
          assert self.hass and _RENDER_INFO not in self.hass.data
  
          render_info = RenderInfo(self)
  
          # pylint: disable=protected-access
          if self.is_static:
              render_info._result = self.template.strip()
              render_info._freeze_static()
              return render_info
  
          self.hass.data[_RENDER_INFO] = render_info
          try:
              render_info._result = self.async_render(variables, strict=strict, **kwargs)
          except TemplateError as ex:
              render_info.exception = ex
          finally:
              del self.hass.data[_RENDER_INFO]
  
          render_info._freeze()
          return render_info
  
      def render_with_possible_json_value(self, value, error_value=_SENTINEL):
          """Render template with value exposed.
  
          If valid JSON will expose value_json too.
          """
          if self.is_static:
              return self.template
  
          return run_callback_threadsafe(
              self.hass.loop,
              self.async_render_with_possible_json_value,
              value,
              error_value,
          ).result()
  
      @callback
      def async_render_with_possible_json_value(
          self, value, error_value=_SENTINEL, variables=None
      ):
          """Render template with value exposed.
  
          If valid JSON will expose value_json too.
  
          This method must be run in the event loop.
          """
          if self.is_static:
              return self.template
  
          if self._compiled is None:
              self._ensure_compiled()
  
          variables = dict(variables or {})
          variables["value"] = value
  
          with suppress(ValueError, TypeError):
              variables["value_json"] = json.loads(value)
  
          try:
              return _render_with_context(
                  self.template, self._compiled, **variables
              ).strip()
          except jinja2.TemplateError as ex:
              if error_value is _SENTINEL:
                  _LOGGER.error(
                      "Error parsing value: %s (value: %s, template: %s)",
                      ex,
                      value,
                      self.template,
                  )
              return value if error_value is _SENTINEL else error_value
  
      def _ensure_compiled(
          self, limited: bool = False, strict: bool = False
      ) -> jinja2.Template:
          """Bind a template to a specific hass instance."""
          self.ensure_valid()
  
          assert self.hass is not None, "hass variable not set on template"
          assert (
              self._limited is None or self._limited == limited
          ), "can't change between limited and non limited template"
          assert (
              self._strict is None or self._strict == strict
          ), "can't change between strict and non strict template"
          assert not (strict and limited), "can't combine strict and limited template"
  
          self._limited = limited
          self._strict = strict
          env = self._env
  
          self._compiled = jinja2.Template.from_code(
              env, self._compiled_code, env.globals, None
          )
  
          return self._compiled
  
      def __eq__(self, other):
          """Compare template with another."""
          return (
              self.__class__ == other.__class__
              and self.template == other.template
              and self.hass == other.hass
          )
  
      def __hash__(self) -> int:
          """Hash code for template."""
          return hash(self.template)
  
      def __repr__(self) -> str:
          """Representation of Template."""
          return 'Template("' + self.template + '")'
  
  
  class AllStates:
      """Class to expose all HA states as attributes."""
  
      def __init__(self, hass: HomeAssistant) -> None:
          """Initialize all states."""
          self._hass = hass
  
      def __getattr__(self, name):
          """Return the domain state."""
          if "." in name:
              return _get_state_if_valid(self._hass, name)
  
          if name in _RESERVED_NAMES:
              return None
  
          if not valid_entity_id(f"{name}.entity"):
              raise TemplateError(f"Invalid domain name '{name}'")
  
          return DomainStates(self._hass, name)
  
      # Jinja will try __getitem__ first and it avoids the need
      # to call is_safe_attribute
      __getitem__ = __getattr__
  
      def _collect_all(self) -> None:
          render_info = self._hass.data.get(_RENDER_INFO)
          if render_info is not None:
              render_info.all_states = True
  
      def _collect_all_lifecycle(self) -> None:
          render_info = self._hass.data.get(_RENDER_INFO)
          if render_info is not None:
              render_info.all_states_lifecycle = True
  
      def __iter__(self):
          """Return all states."""
          self._collect_all()
          return _state_generator(self._hass, None)
  
      def __len__(self) -> int:
          """Return number of states."""
          self._collect_all_lifecycle()
          return self._hass.states.async_entity_ids_count()
  
      def __call__(self, entity_id):
          """Return the states."""
          state = _get_state(self._hass, entity_id)
          return STATE_UNKNOWN if state is None else state.state
  
      def __repr__(self) -> str:
          """Representation of All States."""
          return "<template AllStates>"
  
  
  class DomainStates:
      """Class to expose a specific HA domain as attributes."""
  
      def __init__(self, hass: HomeAssistant, domain: str) -> None:
          """Initialize the domain states."""
          self._hass = hass
          self._domain = domain
  
      def __getattr__(self, name):
          """Return the states."""
          return _get_state_if_valid(self._hass, f"{self._domain}.{name}")
  
      # Jinja will try __getitem__ first and it avoids the need
      # to call is_safe_attribute
      __getitem__ = __getattr__
  
      def _collect_domain(self) -> None:
          entity_collect = self._hass.data.get(_RENDER_INFO)
          if entity_collect is not None:
              entity_collect.domains.add(self._domain)
  
      def _collect_domain_lifecycle(self) -> None:
          entity_collect = self._hass.data.get(_RENDER_INFO)
          if entity_collect is not None:
              entity_collect.domains_lifecycle.add(self._domain)
  
      def __iter__(self):
          """Return the iteration over all the states."""
          self._collect_domain()
          return _state_generator(self._hass, self._domain)
  
      def __len__(self) -> int:
          """Return number of states."""
          self._collect_domain_lifecycle()
          return self._hass.states.async_entity_ids_count(self._domain)
  
      def __repr__(self) -> str:
          """Representation of Domain States."""
          return f"<template DomainStates('{self._domain}')>"
  
  
  class TemplateState(State):
      """Class to represent a state object in a template."""
  
      __slots__ = ("_hass", "_state", "_collect")
  
      # Inheritance is done so functions that check against State keep working
      # pylint: disable=super-init-not-called
      def __init__(self, hass: HomeAssistant, state: State, collect: bool = True) -> None:
          """Initialize template state."""
          self._hass = hass
          self._state = state
          self._collect = collect
  
      def _collect_state(self) -> None:
          if self._collect and _RENDER_INFO in self._hass.data:
              self._hass.data[_RENDER_INFO].entities.add(self._state.entity_id)
  
      # Jinja will try __getitem__ first and it avoids the need
      # to call is_safe_attribute
      def __getitem__(self, item):
          """Return a property as an attribute for jinja."""
          if item in _COLLECTABLE_STATE_ATTRIBUTES:
              # _collect_state inlined here for performance
              if self._collect and _RENDER_INFO in self._hass.data:
                  self._hass.data[_RENDER_INFO].entities.add(self._state.entity_id)
              return getattr(self._state, item)
          if item == "entity_id":
              return self._state.entity_id
          if item == "state_with_unit":
              return self.state_with_unit
          raise KeyError
  
      @property
      def entity_id(self):
          """Wrap State.entity_id.
  
          Intentionally does not collect state
          """
          return self._state.entity_id
  
      @property
      def state(self):
          """Wrap State.state."""
          self._collect_state()
          return self._state.state
  
      @property
      def attributes(self):
          """Wrap State.attributes."""
          self._collect_state()
          return self._state.attributes
  
      @property
      def last_changed(self):
          """Wrap State.last_changed."""
          self._collect_state()
          return self._state.last_changed
  
      @property
      def last_updated(self):
          """Wrap State.last_updated."""
          self._collect_state()
          return self._state.last_updated
  
      @property
      def context(self):
          """Wrap State.context."""
          self._collect_state()
          return self._state.context
  
      @property
      def domain(self):
          """Wrap State.domain."""
          self._collect_state()
          return self._state.domain
  
      @property
      def object_id(self):
          """Wrap State.object_id."""
          self._collect_state()
          return self._state.object_id
  
      @property
      def name(self):
          """Wrap State.name."""
          self._collect_state()
          return self._state.name
  
      @property
      def state_with_unit(self) -> str:
          """Return the state concatenated with the unit if available."""
          self._collect_state()
          unit = self._state.attributes.get(ATTR_UNIT_OF_MEASUREMENT)
          return f"{self._state.state} {unit}" if unit else self._state.state
  
      def __eq__(self, other: Any) -> bool:
          """Ensure we collect on equality check."""
          self._collect_state()
          return self._state.__eq__(other)
  
      def __repr__(self) -> str:
          """Representation of Template State."""
          return f"<template TemplateState({self._state.__repr__()})>"
  
  
  def _collect_state(hass: HomeAssistant, entity_id: str) -> None:
      entity_collect = hass.data.get(_RENDER_INFO)
      if entity_collect is not None:
          entity_collect.entities.add(entity_id)
  
  
  def _state_generator(hass: HomeAssistant, domain: str | None) -> Generator:
      """State generator for a domain or all states."""
      for state in sorted(hass.states.async_all(domain), key=attrgetter("entity_id")):
          yield TemplateState(hass, state, collect=False)
  
  
  def _get_state_if_valid(hass: HomeAssistant, entity_id: str) -> TemplateState | None:
      state = hass.states.get(entity_id)
      if state is None and not valid_entity_id(entity_id):
          raise TemplateError(f"Invalid entity ID '{entity_id}'")  # type: ignore
      return _get_template_state_from_state(hass, entity_id, state)
  
  
  def _get_state(hass: HomeAssistant, entity_id: str) -> TemplateState | None:
      return _get_template_state_from_state(hass, entity_id, hass.states.get(entity_id))
  
  
  def _get_template_state_from_state(
      hass: HomeAssistant, entity_id: str, state: State | None
  ) -> TemplateState | None:
      if state is None:
          # Only need to collect if none, if not none collect first actual
          # access to the state properties in the state wrapper.
          _collect_state(hass, entity_id)
          return None
      return TemplateState(hass, state)
  
  
  def _resolve_state(
      hass: HomeAssistant, entity_id_or_state: Any
  ) -> State | TemplateState | None:
      """Return state or entity_id if given."""
      if isinstance(entity_id_or_state, State):
          return entity_id_or_state
      if isinstance(entity_id_or_state, str):
          return _get_state(hass, entity_id_or_state)
      return None
  
  
  def result_as_boolean(template_result: str | None) -> bool:
      """Convert the template result to a boolean.
  
      True/not 0/'1'/'true'/'yes'/'on'/'enable' are considered truthy
      False/0/None/'0'/'false'/'no'/'off'/'disable' are considered falsy
  
      """
      if template_result is None:
          return False
  
      try:
          # Import here, not at top-level to avoid circular import
          from homeassistant.helpers import (  # pylint: disable=import-outside-toplevel
              config_validation as cv,
          )
  
          return cv.boolean(template_result)
      except vol.Invalid:
          return False
  
  
  def expand(hass: HomeAssistant, *args: Any) -> Iterable[State]:
      """Expand out any groups into entity states."""
      search = list(args)
      found = {}
      while search:
          entity = search.pop()
          if isinstance(entity, str):
              entity_id = entity
              entity = _get_state(hass, entity)
              if entity is None:
                  continue
          elif isinstance(entity, State):
              entity_id = entity.entity_id
          elif isinstance(entity, collections.abc.Iterable):
              search += entity
              continue
          else:
              # ignore other types
              continue
  
          if entity_id.startswith(_GROUP_DOMAIN_PREFIX):
              # Collect state will be called in here since it's wrapped
              group_entities = entity.attributes.get(ATTR_ENTITY_ID)
              if group_entities:
                  search += group_entities
          else:
              _collect_state(hass, entity_id)
              found[entity_id] = entity
  
      return sorted(found.values(), key=lambda a: a.entity_id)
  
  
  def device_entities(hass: HomeAssistant, device_id: str) -> Iterable[str]:
      """Get entity ids for entities tied to a device."""
      entity_reg = entity_registry.async_get(hass)
      entries = entity_registry.async_entries_for_device(entity_reg, device_id)
      return [entry.entity_id for entry in entries]
  
  
  def closest(hass, *args):
      """Find closest entity.
  
      Closest to home:
          closest(states)
          closest(states.device_tracker)
          closest('group.children')
          closest(states.group.children)
  
      Closest to a point:
          closest(23.456, 23.456, 'group.children')
          closest('zone.school', 'group.children')
          closest(states.zone.school, 'group.children')
  
      As a filter:
          states | closest
          states.device_tracker | closest
          ['group.children', states.device_tracker] | closest
          'group.children' | closest(23.456, 23.456)
          states.device_tracker | closest('zone.school')
          'group.children' | closest(states.zone.school)
  
      """
      if len(args) == 1:
          latitude = hass.config.latitude
          longitude = hass.config.longitude
          entities = args[0]
  
      elif len(args) == 2:
          point_state = _resolve_state(hass, args[0])
  
          if point_state is None:
              _LOGGER.warning("Closest:Unable to find state %s", args[0])
              return None
          if not loc_helper.has_location(point_state):
              _LOGGER.warning(
                  "Closest:State does not contain valid location: %s", point_state
              )
              return None
  
          latitude = point_state.attributes.get(ATTR_LATITUDE)
          longitude = point_state.attributes.get(ATTR_LONGITUDE)
  
          entities = args[1]
  
      else:
          latitude = convert(args[0], float)
          longitude = convert(args[1], float)
  
          if latitude is None or longitude is None:
              _LOGGER.warning(
                  "Closest:Received invalid coordinates: %s, %s", args[0], args[1]
              )
              return None
  
          entities = args[2]
  
      states = expand(hass, entities)
  
      # state will already be wrapped here
      return loc_helper.closest(latitude, longitude, states)
  
  
  def closest_filter(hass, *args):
      """Call closest as a filter. Need to reorder arguments."""
      new_args = list(args[1:])
      new_args.append(args[0])
      return closest(hass, *new_args)
  
  
  def distance(hass, *args):
      """Calculate distance.
  
      Will calculate distance from home to a point or between points.
      Points can be passed in using state objects or lat/lng coordinates.
      """
      locations = []
  
      to_process = list(args)
  
      while to_process:
          value = to_process.pop(0)
          if isinstance(value, str) and not valid_entity_id(value):
              point_state = None
          else:
              point_state = _resolve_state(hass, value)
  
          if point_state is None:
              # We expect this and next value to be lat&lng
              if not to_process:
                  _LOGGER.warning(
                      "Distance:Expected latitude and longitude, got %s", value
                  )
                  return None
  
              value_2 = to_process.pop(0)
              latitude = convert(value, float)
              longitude = convert(value_2, float)
  
              if latitude is None or longitude is None:
                  _LOGGER.warning(
                      "Distance:Unable to process latitude and longitude: %s, %s",
                      value,
                      value_2,
                  )
                  return None
  
          else:
              if not loc_helper.has_location(point_state):
                  _LOGGER.warning(
                      "Distance:State does not contain valid location: %s", point_state
                  )
                  return None
  
              latitude = point_state.attributes.get(ATTR_LATITUDE)
              longitude = point_state.attributes.get(ATTR_LONGITUDE)
  
          locations.append((latitude, longitude))
  
      if len(locations) == 1:
          return hass.config.distance(*locations[0])
  
      return hass.config.units.length(
          loc_util.distance(*locations[0] + locations[1]), LENGTH_METERS
      )
  
  
  def is_state(hass: HomeAssistant, entity_id: str, state: State) -> bool:
      """Test if a state is a specific value."""
      state_obj = _get_state(hass, entity_id)
      return state_obj is not None and state_obj.state == state
  
  
  def is_state_attr(hass: HomeAssistant, entity_id: str, name: str, value: Any) -> bool:
      """Test if a state's attribute is a specific value."""
      attr = state_attr(hass, entity_id, name)
      return attr is not None and attr == value
  
  
  def state_attr(hass: HomeAssistant, entity_id: str, name: str) -> Any:
      """Get a specific attribute from a state."""
      state_obj = _get_state(hass, entity_id)
      if state_obj is not None:
          return state_obj.attributes.get(name)
      return None
  
  
  def now(hass: HomeAssistant) -> datetime:
      """Record fetching now."""
      render_info = hass.data.get(_RENDER_INFO)
      if render_info is not None:
          render_info.has_time = True
  
      return dt_util.now()
  
  
  def utcnow(hass: HomeAssistant) -> datetime:
      """Record fetching utcnow."""
      render_info = hass.data.get(_RENDER_INFO)
      if render_info is not None:
          render_info.has_time = True
  
      return dt_util.utcnow()
  
  
  def forgiving_round(value, precision=0, method="common"):
      """Round accepted strings."""
      try:
          # support rounding methods like jinja
          multiplier = float(10 ** precision)
          if method == "ceil":
              value = math.ceil(float(value) * multiplier) / multiplier
          elif method == "floor":
              value = math.floor(float(value) * multiplier) / multiplier
          elif method == "half":
              value = round(float(value) * 2) / 2
          else:
              # if method is common or something else, use common rounding
              value = round(float(value), precision)
          return int(value) if precision == 0 else value
      except (ValueError, TypeError):
          # If value can't be converted to float
          return value
  
  
  def multiply(value, amount):
      """Filter to convert value to float and multiply it."""
      try:
          return float(value) * amount
      except (ValueError, TypeError):
          # If value can't be converted to float
          return value
  
  
  def logarithm(value, base=math.e):
      """Filter to get logarithm of the value with a specific base."""
      try:
          return math.log(float(value), float(base))
      except (ValueError, TypeError):
          return value
  
  
  def sine(value):
      """Filter to get sine of the value."""
      try:
          return math.sin(float(value))
      except (ValueError, TypeError):
          return value
  
  
  def cosine(value):
      """Filter to get cosine of the value."""
      try:
          return math.cos(float(value))
      except (ValueError, TypeError):
          return value
  
  
  def tangent(value):
      """Filter to get tangent of the value."""
      try:
          return math.tan(float(value))
      except (ValueError, TypeError):
          return value
  
  
  def arc_sine(value):
      """Filter to get arc sine of the value."""
      try:
          return math.asin(float(value))
      except (ValueError, TypeError):
          return value
  
  
  def arc_cosine(value):
      """Filter to get arc cosine of the value."""
      try:
          return math.acos(float(value))
      except (ValueError, TypeError):
          return value
  
  
  def arc_tangent(value):
      """Filter to get arc tangent of the value."""
      try:
          return math.atan(float(value))
      except (ValueError, TypeError):
          return value
  
  
  def arc_tangent2(*args):
      """Filter to calculate four quadrant arc tangent of y / x."""
      try:
          if len(args) == 1 and isinstance(args[0], (list, tuple)):
              args = args[0]
  
          return math.atan2(float(args[0]), float(args[1]))
      except (ValueError, TypeError):
          return args
  
  
  def square_root(value):
      """Filter to get square root of the value."""
      try:
          return math.sqrt(float(value))
      except (ValueError, TypeError):
          return value
  
  
  def timestamp_custom(value, date_format=DATE_STR_FORMAT, local=True):
      """Filter to convert given timestamp to format."""
      try:
          date = dt_util.utc_from_timestamp(value)
  
          if local:
              date = dt_util.as_local(date)
  
          return date.strftime(date_format)
      except (ValueError, TypeError):
          # If timestamp can't be converted
          return value
  
  
  def timestamp_local(value):
      """Filter to convert given timestamp to local date/time."""
      try:
          return dt_util.as_local(dt_util.utc_from_timestamp(value)).strftime(
              DATE_STR_FORMAT
          )
      except (ValueError, TypeError):
          # If timestamp can't be converted
          return value
  
  
  def timestamp_utc(value):
      """Filter to convert given timestamp to UTC date/time."""
      try:
          return dt_util.utc_from_timestamp(value).strftime(DATE_STR_FORMAT)
      except (ValueError, TypeError):
          # If timestamp can't be converted
          return value
  
  
  def forgiving_as_timestamp(value):
      """Try to convert value to timestamp."""
      try:
          return dt_util.as_timestamp(value)
      except (ValueError, TypeError):
          return None
  
  
  def strptime(string, fmt):
      """Parse a time string to datetime."""
      try:
          return datetime.strptime(string, fmt)
      except (ValueError, AttributeError, TypeError):
          return string
  
  
  def fail_when_undefined(value):
      """Filter to force a failure when the value is undefined."""
      if isinstance(value, jinja2.Undefined):
          value()
      return value
  
  
  def forgiving_float(value):
      """Try to convert value to a float."""
      try:
          return float(value)
      except (ValueError, TypeError):
          return value
  
  
  def regex_match(value, find="", ignorecase=False):
      """Match value using regex."""
      if not isinstance(value, str):
          value = str(value)
      flags = re.I if ignorecase else 0
      return bool(re.match(find, value, flags))
  
  
  def regex_replace(value="", find="", replace="", ignorecase=False):
      """Replace using regex."""
      if not isinstance(value, str):
          value = str(value)
      flags = re.I if ignorecase else 0
      regex = re.compile(find, flags)
      return regex.sub(replace, value)
  
  
  def regex_search(value, find="", ignorecase=False):
      """Search using regex."""
      if not isinstance(value, str):
          value = str(value)
      flags = re.I if ignorecase else 0
      return bool(re.search(find, value, flags))
  
  
  def regex_findall_index(value, find="", index=0, ignorecase=False):
      """Find all matches using regex and then pick specific match index."""
      if not isinstance(value, str):
          value = str(value)
      flags = re.I if ignorecase else 0
      return re.findall(find, value, flags)[index]
  
  
  def bitwise_and(first_value, second_value):
      """Perform a bitwise and operation."""
      return first_value & second_value
  
  
  def bitwise_or(first_value, second_value):
      """Perform a bitwise or operation."""
      return first_value | second_value
  
  
  def base64_encode(value):
      """Perform base64 encode."""
      return base64.b64encode(value.encode("utf-8")).decode("utf-8")
  
  
  def base64_decode(value):
      """Perform base64 denode."""
      return base64.b64decode(value).decode("utf-8")
  
  
  def ordinal(value):
      """Perform ordinal conversion."""
      return str(value) + (
          list(["th", "st", "nd", "rd"] + ["th"] * 6)[(int(str(value)[-1])) % 10]
          if int(str(value)[-2:]) % 100 not in range(11, 14)
          else "th"
      )
  
  
  def from_json(value):
      """Convert a JSON string to an object."""
      return json.loads(value)
  
  
  def to_json(value):
      """Convert an object to a JSON string."""
      return json.dumps(value)
  
  
  @contextfilter
  def random_every_time(context, values):
      """Choose a random value.
  
      Unlike Jinja's random filter,
      this is context-dependent to avoid caching the chosen value.
      """
      return random.choice(values)
  
  
  def relative_time(value):
      """
      Take a datetime and return its "age" as a string.
  
      The age can be in second, minute, hour, day, month or year. Only the
      biggest unit is considered, e.g. if it's 2 days and 3 hours, "2 days" will
      be returned.
      Make sure date is not in the future, or else it will return None.
  
      If the input are not a datetime object the input will be returned unmodified.
      """
      if not isinstance(value, datetime):
          return value
      if not value.tzinfo:
          value = dt_util.as_local(value)
      if dt_util.now() < value:
          return value
      return dt_util.get_age(value)
  
  
  def urlencode(value):
      """Urlencode dictionary and return as UTF-8 string."""
      return urllib_urlencode(value).encode("utf-8")
  
  
  def _render_with_context(
      template_str: str, template: jinja2.Template, **kwargs: Any
  ) -> str:
      """Store template being rendered in a ContextVar to aid error handling."""
      template_cv.set(template_str)
      return template.render(**kwargs)
  
  
  class LoggingUndefined(jinja2.Undefined):
      """Log on undefined variables."""
  
      def _log_message(self):
          template = template_cv.get() or ""
          _LOGGER.warning(
              "Template variable warning: %s when rendering '%s'",
              self._undefined_message,
              template,
          )
  
      def _fail_with_undefined_error(self, *args, **kwargs):
          try:
              return super()._fail_with_undefined_error(*args, **kwargs)
          except self._undefined_exception as ex:
              template = template_cv.get() or ""
              _LOGGER.error(
                  "Template variable error: %s when rendering '%s'",
                  self._undefined_message,
                  template,
              )
              raise ex
  
      def __str__(self):
          """Log undefined __str___."""
          self._log_message()
          return super().__str__()
  
      def __iter__(self):
          """Log undefined __iter___."""
          self._log_message()
          return super().__iter__()
  
      def __bool__(self):
          """Log undefined __bool___."""
          self._log_message()
          return super().__bool__()
  
  
  class TemplateEnvironment(ImmutableSandboxedEnvironment):
      """The Home Assistant template environment."""
  
      def __init__(self, hass, limited=False, strict=False):
          """Initialise template environment."""
          if not strict:
              undefined = LoggingUndefined
          else:
              undefined = jinja2.StrictUndefined
          super().__init__(undefined=undefined)
          self.hass = hass
          self.template_cache = weakref.WeakValueDictionary()
          self.filters["round"] = forgiving_round
          self.filters["multiply"] = multiply
          self.filters["log"] = logarithm
          self.filters["sin"] = sine
          self.filters["cos"] = cosine
          self.filters["tan"] = tangent
          self.filters["asin"] = arc_sine
          self.filters["acos"] = arc_cosine
          self.filters["atan"] = arc_tangent
          self.filters["atan2"] = arc_tangent2
          self.filters["sqrt"] = square_root
          self.filters["as_timestamp"] = forgiving_as_timestamp
          self.filters["as_local"] = dt_util.as_local
          self.filters["timestamp_custom"] = timestamp_custom
          self.filters["timestamp_local"] = timestamp_local
          self.filters["timestamp_utc"] = timestamp_utc
          self.filters["to_json"] = to_json
          self.filters["from_json"] = from_json
          self.filters["is_defined"] = fail_when_undefined
          self.filters["max"] = max
          self.filters["min"] = min
          self.filters["random"] = random_every_time
          self.filters["base64_encode"] = base64_encode
          self.filters["base64_decode"] = base64_decode
          self.filters["ordinal"] = ordinal
          self.filters["regex_match"] = regex_match
          self.filters["regex_replace"] = regex_replace
          self.filters["regex_search"] = regex_search
          self.filters["regex_findall_index"] = regex_findall_index
          self.filters["bitwise_and"] = bitwise_and
          self.filters["bitwise_or"] = bitwise_or
          self.filters["ord"] = ord
          self.globals["log"] = logarithm
          self.globals["sin"] = sine
          self.globals["cos"] = cosine
          self.globals["tan"] = tangent
          self.globals["sqrt"] = square_root
          self.globals["pi"] = math.pi
          self.globals["tau"] = math.pi * 2
          self.globals["e"] = math.e
          self.globals["asin"] = arc_sine
          self.globals["acos"] = arc_cosine
          self.globals["atan"] = arc_tangent
          self.globals["atan2"] = arc_tangent2
          self.globals["float"] = forgiving_float
          self.globals["as_local"] = dt_util.as_local
          self.globals["as_timestamp"] = forgiving_as_timestamp
          self.globals["relative_time"] = relative_time
          self.globals["timedelta"] = timedelta
          self.globals["strptime"] = strptime
          self.globals["urlencode"] = urlencode
          self.globals["max"] = max
          self.globals["min"] = min
          self.tests["match"] = regex_match
          self.tests["search"] = regex_search
  
          if hass is None:
              return
  
          # We mark these as a context functions to ensure they get
          # evaluated fresh with every execution, rather than executed
          # at compile time and the value stored. The context itself
          # can be discarded, we only need to get at the hass object.
          def hassfunction(func):
              """Wrap function that depend on hass."""
  
              @wraps(func)
              def wrapper(*args, **kwargs):
                  return func(hass, *args[1:], **kwargs)
  
              return contextfunction(wrapper)
  
          self.globals["device_entities"] = hassfunction(device_entities)
          self.filters["device_entities"] = contextfilter(self.globals["device_entities"])
  
          if limited:
              # Only device_entities is available to limited templates, mark other
              # functions and filters as unsupported.
              def unsupported(name):
                  def warn_unsupported(*args, **kwargs):
                      raise TemplateError(
                          f"Use of '{name}' is not supported in limited templates"
                      )
  
                  return warn_unsupported
  
              hass_globals = [
                  "closest",
                  "distance",
                  "expand",
                  "is_state",
                  "is_state_attr",
                  "state_attr",
                  "states",
                  "utcnow",
                  "now",
              ]
              hass_filters = ["closest", "expand"]
              for glob in hass_globals:
                  self.globals[glob] = unsupported(glob)
              for filt in hass_filters:
                  self.filters[filt] = unsupported(filt)
              return
  
          self.globals["expand"] = hassfunction(expand)
          self.filters["expand"] = contextfilter(self.globals["expand"])
          self.globals["closest"] = hassfunction(closest)
          self.filters["closest"] = contextfilter(hassfunction(closest_filter))
          self.globals["distance"] = hassfunction(distance)
          self.globals["is_state"] = hassfunction(is_state)
          self.globals["is_state_attr"] = hassfunction(is_state_attr)
          self.globals["state_attr"] = hassfunction(state_attr)
          self.globals["states"] = AllStates(hass)
          self.globals["utcnow"] = hassfunction(utcnow)
          self.globals["now"] = hassfunction(now)
  
      def is_safe_callable(self, obj):
          """Test if callback is safe."""
          return isinstance(obj, AllStates) or super().is_safe_callable(obj)
  
      def is_safe_attribute(self, obj, attr, value):
          """Test if attribute is safe."""
          if isinstance(obj, (AllStates, DomainStates, TemplateState)):
              return attr[0] != "_"
  
          if isinstance(obj, Namespace):
              return True
  
          return super().is_safe_attribute(obj, attr, value)
  
      def compile(self, source, name=None, filename=None, raw=False, defer_init=False):
          """Compile the template."""
          if (
              name is not None
              or filename is not None
              or raw is not False
              or defer_init is not False
          ):
              # If there are any non-default keywords args, we do
              # not cache.  In prodution we currently do not have
              # any instance of this.
              return super().compile(source, name, filename, raw, defer_init)
  
          cached = self.template_cache.get(source)
  
          if cached is None:
              cached = self.template_cache[source] = super().compile(source)
  
          return cached
  
  
  _NO_HASS_ENV = TemplateEnvironment(None)  # type: ignore[no-untyped-call]
  