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ssh://git.janware.com/srv/git/janware/proj/jw-python
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Jan Lindemann
952bf4a4e1
This commit fixes Python errors and warnings reported by static type checking with mypy. Signed-off-by: Jan Lindemann <jan@janware.com>
35 lines
978 B
Python
35 lines
978 B
Python
from abc import ABC, abstractmethod
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from typing import Dict, Callable
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_handled_signals: Dict[int, Callable] = {}
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def _signal_handler(signal, frame):
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if not signal in _handled_signals.keys():
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return
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for h in _handled_signals[signal]:
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h.func(signal, *h.args)
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class Signals:
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class Handler:
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def __init__(self, func, args):
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self.func = func
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self.args = args
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def __init(self):
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pass
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@classmethod
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@abstractmethod
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def _add_handler(self, signal, handler):
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raise Exception("_add_handler() is not reimplemented")
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@classmethod
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def add_handler(cls, signals, handler, *args):
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for signal in signals:
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h = Signals.Handler(handler, args)
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if not signal in _handled_signals.keys():
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_handled_signals[signal] = [h]
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cls._add_signal_handler(signal, _signal_handler)
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else:
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_handled_signals[signal].add(h)
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