27 lines
1.0 KiB
Python
27 lines
1.0 KiB
Python
 
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"""What a question put to every server came back with (B-78).
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`active` is the answer of the connection the platform is running on, `others` those of
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each other configured server in configuration order; `None` stands for "no usable
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answer" (unreachable, timed out, an error that is not an answer)."""
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from typing import NamedTuple
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class ServerAnswers(NamedTuple):
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active: object | None
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others: tuple
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others_needed: int # how many of `others` must have answered for the network to count
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@property
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def answered_others(self) -> list:
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return [answer for answer in self.others if answer is not None]
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@property
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def complete(self) -> bool:
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"""Enough of the network answered for its silence to mean something: the active
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server and at least `others_needed` of the others."""
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return self.active is not None and len(self.answered_others) >= self.others_needed
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@property
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def all(self) -> list:
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return ([] if self.active is None else [self.active]) + self.answered_others
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