Use ulid_now instead of ulid_at_timestamp if no timestamp is passed (#104226)

* Use ulid_now instead of ulid_at_timestamp if no timestamp is passed

ulid_now is slightly faster than ulid_at_timestamp

* tweak usage

homeassistant/components/assist_pipeline/pipeline.py

@@ -320,7 +320,7 @@ class Pipeline:
     wake_word_entity: str | None
     wake_word_id: str | None
 
-    id: str = field(default_factory=ulid_util.ulid)
+    id: str = field(default_factory=ulid_util.ulid_now)
 
     @classmethod
     def from_json(cls, data: dict[str, Any]) -> Pipeline:
@@ -482,7 +482,7 @@ class PipelineRun:
     wake_word_settings: WakeWordSettings | None = None
     audio_settings: AudioSettings = field(default_factory=AudioSettings)
 
-    id: str = field(default_factory=ulid_util.ulid)
+    id: str = field(default_factory=ulid_util.ulid_now)
     stt_provider: stt.SpeechToTextEntity | stt.Provider = field(init=False, repr=False)
     tts_engine: str = field(init=False, repr=False)
     tts_options: dict | None = field(init=False, default=None)
@@ -1476,7 +1476,7 @@ class PipelineStorageCollection(
     @callback
     def _get_suggested_id(self, info: dict) -> str:
         """Suggest an ID based on the config."""
-        return ulid_util.ulid()
+        return ulid_util.ulid_now()
 
     async def _update_data(self, item: Pipeline, update_data: dict) -> Pipeline:
         """Return a new updated item."""
@@ -1664,7 +1664,7 @@ class DeviceAudioQueue:
     queue: asyncio.Queue[bytes | None]
     """Queue of audio chunks (None = stop signal)"""
 
-    id: str = field(default_factory=ulid_util.ulid)
+    id: str = field(default_factory=ulid_util.ulid_now)
     """Unique id to ensure the correct audio queue is cleaned up in websocket API."""
 
     overflow: bool = False

homeassistant/components/google_generative_ai_conversation/__init__.py

@@ -88,7 +88,7 @@ class GoogleGenerativeAIAgent(conversation.AbstractConversationAgent):
             conversation_id = user_input.conversation_id
             messages = self.history[conversation_id]
         else:
-            conversation_id = ulid.ulid()
+            conversation_id = ulid.ulid_now()
             messages = []
 
         try:

homeassistant/components/openai_conversation/__init__.py

@@ -141,7 +141,7 @@ class OpenAIAgent(conversation.AbstractConversationAgent):
             conversation_id = user_input.conversation_id
             messages = self.history[conversation_id]
         else:
-            conversation_id = ulid.ulid()
+            conversation_id = ulid.ulid_now()
             try:
                 prompt = self._async_generate_prompt(raw_prompt)
             except TemplateError as err:

homeassistant/components/thread/dataset_store.py

@@ -38,7 +38,7 @@ class DatasetEntry:
     tlv: str
 
     created: datetime = dataclasses.field(default_factory=dt_util.utcnow)
-    id: str = dataclasses.field(default_factory=ulid_util.ulid)
+    id: str = dataclasses.field(default_factory=ulid_util.ulid_now)
 
     @property
     def channel(self) -> int | None:

homeassistant/components/voip/voip.py

@@ -37,7 +37,7 @@ from homeassistant.components.assist_pipeline.vad import (
 )
 from homeassistant.const import __version__
 from homeassistant.core import Context, HomeAssistant
-from homeassistant.util.ulid import ulid
+from homeassistant.util.ulid import ulid_now
 
 from .const import CHANNELS, DOMAIN, RATE, RTP_AUDIO_SETTINGS, WIDTH
 
@@ -219,7 +219,7 @@ class PipelineRtpDatagramProtocol(RtpDatagramProtocol):
     ) -> None:
         """Forward audio to pipeline STT and handle TTS."""
         if self._session_id is None:
-            self._session_id = ulid()
+            self._session_id = ulid_now()
 
         # Play listening tone at the start of each cycle
         if self.listening_tone_enabled:

homeassistant/core.py

@@ -91,7 +91,7 @@ from .util.async_ import (
 from .util.json import JsonObjectType
 from .util.read_only_dict import ReadOnlyDict
 from .util.timeout import TimeoutManager
-from .util.ulid import ulid, ulid_at_time
+from .util.ulid import ulid_at_time, ulid_now
 from .util.unit_system import (
     _CONF_UNIT_SYSTEM_IMPERIAL,
     _CONF_UNIT_SYSTEM_US_CUSTOMARY,
@@ -930,7 +930,7 @@ class Context:
         id: str | None = None,  # pylint: disable=redefined-builtin
     ) -> None:
         """Init the context."""
-        self.id = id or ulid()
+        self.id = id or ulid_now()
         self.user_id = user_id
         self.parent_id = parent_id
         self.origin_event: Event | None = None

homeassistant/util/ulid.py

@@ -1,11 +1,22 @@
 """Helpers to generate ulids."""
 from __future__ import annotations
 
-import time
+from ulid_transform import (
+    bytes_to_ulid,
+    ulid_at_time,
+    ulid_hex,
+    ulid_now,
+    ulid_to_bytes,
+)
 
-from ulid_transform import bytes_to_ulid, ulid_at_time, ulid_hex, ulid_to_bytes
-
-__all__ = ["ulid", "ulid_hex", "ulid_at_time", "ulid_to_bytes", "bytes_to_ulid"]
+__all__ = [
+    "ulid",
+    "ulid_hex",
+    "ulid_at_time",
+    "ulid_to_bytes",
+    "bytes_to_ulid",
+    "ulid_now",
+]
 
 
 def ulid(timestamp: float | None = None) -> str:
@@ -25,4 +36,4 @@ def ulid(timestamp: float | None = None) -> str:
     import ulid
     ulid.parse(ulid_util.ulid())
     """
-    return ulid_at_time(timestamp or time.time())
+    return ulid_now() if timestamp is None else ulid_at_time(timestamp)