53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
"""A class to hold entity values."""
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from collections import OrderedDict
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import fnmatch
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import re
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from typing import Any, Dict, Optional, Pattern
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from homeassistant.core import split_entity_id
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class EntityValues:
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"""Class to store entity id based values."""
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def __init__(
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self,
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exact: Optional[Dict] = None,
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domain: Optional[Dict] = None,
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glob: Optional[Dict] = None,
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) -> None:
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"""Initialize an EntityConfigDict."""
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self._cache: Dict[str, Dict] = {}
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self._exact = exact
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self._domain = domain
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if glob is None:
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compiled: Optional[Dict[Pattern[str], Any]] = None
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else:
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compiled = OrderedDict()
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for key, value in glob.items():
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compiled[re.compile(fnmatch.translate(key))] = value
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self._glob = compiled
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def get(self, entity_id: str) -> Dict:
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"""Get config for an entity id."""
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if entity_id in self._cache:
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return self._cache[entity_id]
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domain, _ = split_entity_id(entity_id)
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result = self._cache[entity_id] = {}
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if self._domain is not None and domain in self._domain:
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result.update(self._domain[domain])
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if self._glob is not None:
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for pattern, values in self._glob.items():
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if pattern.match(entity_id):
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result.update(values)
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if self._exact is not None and entity_id in self._exact:
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result.update(self._exact[entity_id])
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return result
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