90 lines
2.2 KiB
Python
90 lines
2.2 KiB
Python
# SPDX-License-Identifier: LGPL-3.0-or-later
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from abc import ABC
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from dataclasses import dataclass, field
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from typing import TYPE_CHECKING, Any, Optional
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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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if TYPE_CHECKING:
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from .models.model_item import ModelItem
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@dataclass
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class PyOtherSideEvent:
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"""Event that will be sent on instanciation to QML by PyOtherSide."""
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def __post_init__(self) -> None:
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# CPython 3.6 or any Python implemention >= 3.7 is required for correct
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# __dataclass_fields__ 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 a window manager alert to be shown.
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Sets the urgency hint for compliant X11/Wayland window managers;
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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 LoopException(PyOtherSideEvent):
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"""Indicate that an uncaught exception occured in the asyncio loop."""
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message: str = field()
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exception: Optional[Exception] = field()
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traceback: Optional[str] = None
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@dataclass
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class ModelItemInserted(PyOtherSideEvent):
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sync_id: SyncId = field()
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index: int = field()
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item: "ModelItem" = field()
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@dataclass
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class ModelItemFieldChanged(PyOtherSideEvent):
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sync_id: SyncId = field()
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item_index_then: int = field()
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item_index_now: int = field()
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changed_field: str = field()
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field_value: Any = field()
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@dataclass
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class ModelItemDeleted(PyOtherSideEvent):
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sync_id: SyncId = field()
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index: int = field()
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@dataclass
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class ModelCleared(PyOtherSideEvent):
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sync_id: SyncId = field()
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