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4d4d54d030
* Fix the `Any` typing hint treewide There has been confusion between the Any type[1] and the any function[2] in typing hints. [1] https://docs.python.org/3/library/typing.html#typing.Any [2] https://docs.python.org/3/library/functions.html#any * Fix typing for various frame_shape members Frame shapes are most likely defined by height and width, so a single int cannot express that. * Wrap gpu stats functions in Optional[] These can return `None`, so they need to be `Type | None`, which is what `Optional` expresses very nicely. * Fix return type in get_latest_segment_datetime Returns a datetime object, not an integer. * Make the return type of FrameManager.write optional This is necessary since the SharedMemoryFrameManager.write function can return None. * Fix total_seconds() return type in get_tz_modifiers The function returns a float, not an int. https://docs.python.org/3/library/datetime.html#datetime.timedelta.total_seconds * Account for floating point results in to_relative_box Because the function uses division the return types may either be int or float. * Resolve ruff deprecation warning The config has been split into formatter and linter, and the global options are deprecated.
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
"""Facilitates communication between processes."""
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import logging
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from enum import Enum
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from typing import Any
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from .zmq_proxy import Publisher, Subscriber
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logger = logging.getLogger(__name__)
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class EventMetadataTypeEnum(str, Enum):
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all = ""
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manual_event_create = "manual_event_create"
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manual_event_end = "manual_event_end"
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regenerate_description = "regenerate_description"
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sub_label = "sub_label"
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recognized_license_plate = "recognized_license_plate"
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lpr_event_create = "lpr_event_create"
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save_lpr_snapshot = "save_lpr_snapshot"
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class EventMetadataPublisher(Publisher):
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"""Simplifies receiving event metadata."""
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topic_base = "event_metadata/"
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def __init__(self) -> None:
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super().__init__()
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def publish(self, topic: EventMetadataTypeEnum, payload: Any) -> None:
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super().publish(payload, topic.value)
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class EventMetadataSubscriber(Subscriber):
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"""Simplifies receiving event metadata."""
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topic_base = "event_metadata/"
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def __init__(self, topic: EventMetadataTypeEnum) -> None:
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super().__init__(topic.value)
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def _return_object(self, topic: str, payload: tuple) -> tuple:
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if payload is None:
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return (None, None)
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topic = EventMetadataTypeEnum[topic[len(self.topic_base) :]]
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return (topic, payload)
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