Waht do you think about my repeated_timer class
Marco Sulla
Marco.Sulla.Python at gmail.com
Wed Feb 2 16:09:02 EST 2022
You could add a __del__ that calls stop :)
On Wed, 2 Feb 2022 at 21:23, Cecil Westerhof via Python-list
<python-list at python.org> wrote:
>
> I need (sometimes) to repeatedly execute a function. For this I wrote
> the below class. What do you think about it?
> from threading import Timer
>
>
>
> class repeated_timer(object):
> def __init__(self, fn, interval, start = False):
> if not callable(fn):
> raise TypeError('{} is not a function'.format(fn))
> self._fn = fn
> self._check_interval(interval)
> self._interval = interval
> self._timer = None
> self._is_running = False
> if start:
> self.start()
>
> def _check_interval(self, interval):
> if not type(interval) in [int, float]:
> raise TypeError('{} is not numeric'.format(interval))
> if interval <= 0:
> raise ValueError('{} is not greater as 0'.format(interval))
>
> def _next(self):
> self._timer = Timer(self._interval, self._run)
> self._timer.start()
>
> def _run(self):
> self._next()
> self._fn()
>
> def set_interval(self, interval):
> self._check_interval(interval)
> self._interval = interval
>
> def start(self):
> if not self._is_running:
> self._next()
> self._is_running = True
>
> def stop(self):
> if self._is_running:
> self._timer.cancel()
> self._timer = None
> self._is_running = False
>
> --
> Cecil Westerhof
> Senior Software Engineer
> LinkedIn: http://www.linkedin.com/in/cecilwesterhof
> --
> https://mail.python.org/mailman/listinfo/python-list
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