66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
from dataclasses import dataclass, field
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from typing import Any, Dict, List, Optional, Union
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import pyotherside
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from .models import SyncId
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from .utils import serialize_value_for_qml
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@dataclass
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class PyOtherSideEvent:
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"""Event that will be sent to QML by PyOtherSide."""
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def __post_init__(self) -> None:
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# CPython >= 3.6 or any Python >= 3.7 needed for correct dict order
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args = [
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serialize_value_for_qml(getattr(self, field))
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for field in self.__dataclass_fields__ # type: ignore
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]
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pyotherside.send(type(self).__name__, *args)
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@dataclass
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class ExitRequested(PyOtherSideEvent):
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"""Request for the application to exit."""
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exit_code: int = 0
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@dataclass
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class AlertRequested(PyOtherSideEvent):
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"""Request an alert to be shown for msec milliseconds.
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The Alert state for example sets the urgency hint on X11/Wayland,
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or flashes the taskbar icon on Windows.
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"""
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@dataclass
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class CoroutineDone(PyOtherSideEvent):
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"""Indicate that an asyncio coroutine finished."""
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uuid: str = field()
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result: Any = None
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exception: Optional[Exception] = None
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traceback: Optional[str] = None
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@dataclass
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class ModelUpdated(PyOtherSideEvent):
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"""Indicate that a backend model's data changed."""
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sync_id: SyncId = field()
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data: List[Dict[str, Any]] = field()
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serialized_sync_id: Union[str, List[str]] = field(init=False)
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def __post_init__(self) -> None:
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if isinstance(self.sync_id, tuple):
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self.serialized_sync_id = [
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e.__name__ if isinstance(e, type) else e for e in self.sync_id
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]
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else:
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self.serialized_sync_id = self.sync_id.__name__
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super().__post_init__()
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