# https://stackoverflow.com/questions/3393612/run-certain-code-every-n-seconds/13151299

from threading import Timer

class RepeatedTimer(object):

"""

A Timer class that can executes a function every 'interval' seconds.

"""

def __init__(self, interval, function, *args, **kwargs):

"""

Creates a timer.

:param interval: int or float, the number of seconds between each call to 'function'

:param function: function, the function to call

:param args: list, optional, positional arguments to pass to 'function'

:param kwargs: dict, optional, keyword arguments to pass to 'function'

"""

self._timer = None

self.interval = interval

self.function = function

self.args = args

self.kwargs = kwargs

self.is_running = False

self.start()

def _run(self):

"""

Is called every 'interval' seconds and runs 'function'.

"""

self.is_running = False

self.start()

try:

self.function(*self.args, **self.kwargs)

except Exception as e:

# You could add better exception handling here

print(str(e))

def start(self):

"""

Starts the timer.

"""

if not self.is_running:

self._timer = Timer(self.interval, self._run)

self._timer.start()

self.is_running = True

def stop(self):

"""

Stops the timer.

"""

self._timer.cancel()

self.is_running = False