Waht do you think about my repeated_timer class

[Barry]

> On 2 Feb 2022, at 21:12, Marco Sulla <Marco.Sulla.Python at gmail.com> wrote:
> 
> You could add a __del__ that calls stop :)

Didn’t python3 make this non deterministic when del is called?

I thought the recommendation is to not rely on __del__ in python3 code.

Barry
> 
>> 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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>