15 lines
307 B
Python
15 lines
307 B
Python
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import dataclasses
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import datetime
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@dataclasses.dataclass(frozen=True, order=True)
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class Message:
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sent_at: datetime.datetime
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sender: str
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text: str
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def __post_init__(self):
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assert self.sent_at is not None
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assert self.sender is not None
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assert self.text is not None
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