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92 lines
3.0 KiB
92 lines
3.0 KiB
"""
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The MIT License (MIT)
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Copyright (c) 2015-present Rapptz
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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"""
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from __future__ import annotations
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import asyncio
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from typing import TYPE_CHECKING, Generator, Optional, Type, TypeVar
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if TYPE_CHECKING:
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from .abc import Messageable, MessageableChannel
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from types import TracebackType
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BE = TypeVar('BE', bound=BaseException)
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# fmt: off
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__all__ = (
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'Typing',
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)
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# fmt: on
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def _typing_done_callback(fut: asyncio.Future) -> None:
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# just retrieve any exception and call it a day
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try:
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fut.exception()
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except (asyncio.CancelledError, Exception):
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pass
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class Typing:
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def __init__(self, messageable: Messageable) -> None:
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self.loop: asyncio.AbstractEventLoop = messageable._state.loop
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self.messageable: Messageable = messageable
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self.channel: Optional[MessageableChannel] = None
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async def _get_channel(self) -> MessageableChannel:
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if self.channel:
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return self.channel
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self.channel = channel = await self.messageable._get_channel()
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return channel
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async def wrapped_typer(self) -> None:
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channel = await self._get_channel()
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await channel._state.http.send_typing(channel.id)
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def __await__(self) -> Generator[None, None, None]:
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return self.wrapped_typer().__await__()
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async def do_typing(self) -> None:
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channel = await self._get_channel()
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typing = channel._state.http.send_typing
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while True:
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await asyncio.sleep(5)
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await typing(channel.id)
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async def __aenter__(self) -> None:
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channel = await self._get_channel()
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await channel._state.http.send_typing(channel.id)
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self.task: asyncio.Task[None] = self.loop.create_task(self.do_typing())
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self.task.add_done_callback(_typing_done_callback)
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async def __aexit__(
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self,
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exc_type: Optional[Type[BE]],
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exc: Optional[BE],
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traceback: Optional[TracebackType],
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) -> None:
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self.task.cancel()
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