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40 lines
972 B
Python
40 lines
972 B
Python
"""上下文管理"""
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from contextlib import contextmanager
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from contextvars import ContextVar
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from telegram.ext import CallbackContext
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from telegram import Update
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__all__ = [
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"CallbackContextCV",
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"UpdateCV",
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"handler_contexts",
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"job_contexts",
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]
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CallbackContextCV: ContextVar["CallbackContext"] = ContextVar("TelegramContextCallback")
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UpdateCV: ContextVar["Update"] = ContextVar("TelegramUpdate")
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@contextmanager
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def handler_contexts(update: "Update", context: "CallbackContext") -> None:
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context_token = CallbackContextCV.set(context)
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update_token = UpdateCV.set(update)
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try:
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yield
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finally:
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CallbackContextCV.reset(context_token)
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UpdateCV.reset(update_token)
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@contextmanager
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def job_contexts(context: "CallbackContext") -> None:
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token = CallbackContextCV.set(context)
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try:
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yield
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finally:
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CallbackContextCV.reset(token)
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