How to use the glances.timer.Timer function in Glances

# AMP name (= module name without glances_)
        if name is None:
            self.amp_name = self.__class__.__module__[len('glances_'):]
        else:
            self.amp_name = name

        # Init the args
        self.args = args

        # Init the configs
        self.configs = {}

        # A timer is needed to only update every refresh seconds
        # Init to 0 in order to update the AMP on startup
        self.timer = Timer(0)

def __init__(self,
                 config=None,
                 args=None):
        # Init stats
        self.stats = GlancesStatsServer(config=config, args=args)

        # Initial update
        self.stats.update()

        # cached_time is the minimum time interval between stats updates
        # i.e. XML/RPC calls will not retrieve updated info until the time
        # since last update is passed (will retrieve old cached info instead)
        self.timer = Timer(0)
        self.cached_time = args.cached_time

def __init__(self, cached_time=1):
        self.cpu_percent = 0
        self.percpu_percent = []

        # cached_time is the minimum time interval between stats updates
        # since last update is passed (will retrieve old cached info instead)
        self.timer_cpu = Timer(0)
        self.timer_percpu = Timer(0)
        self.cached_time = cached_time

def __init__(self, cache_timeout=60):
        """Init the class to collect stats about processes."""
        # Add internals caches because PSUtil do not cache all the stats
        # See: https://code.google.com/p/psutil/issues/detail?id=462
        self.username_cache = {}
        self.cmdline_cache = {}

        # The internals caches will be cleaned each 'cache_timeout' seconds
        self.cache_timeout = cache_timeout
        self.cache_timer = Timer(self.cache_timeout)

        # Init the io dict
        # key = pid
        # value = [ read_bytes_old, write_bytes_old ]
        self.io_old = {}

        # Wether or not to enable process tree
        self._enable_tree = False
        self.process_tree = None

        # Init stats
        self.auto_sort = True
        self._sort_key = 'cpu_percent'
        self.allprocesslist = []
        self.processlist = []
        self.processcount = {'total': 0, 'running': 0, 'sleeping': 0, 'thread': 0}

def __update__(self):
        # Never update more than 1 time per cached_time
        if self.timer.finished():
            self.stats.update()
            self.timer = Timer(self.args.cached_time)

if hasattr(cputimes, 'iowait'):
                    cpu['iowait'] = cputimes.iowait
                if hasattr(cputimes, 'irq'):
                    cpu['irq'] = cputimes.irq
                if hasattr(cputimes, 'softirq'):
                    cpu['softirq'] = cputimes.softirq
                if hasattr(cputimes, 'steal'):
                    cpu['steal'] = cputimes.steal
                if hasattr(cputimes, 'guest'):
                    cpu['guest'] = cputimes.guest
                if hasattr(cputimes, 'guest_nice'):
                    cpu['guest_nice'] = cputimes.guest_nice
                # Append new CPU to the list
                self.percpu_percent.append(cpu)
                # Reset timer for cache
                self.timer_percpu = Timer(self.cached_time)
        return self.percpu_percent

def __update__(self):
        # Never update more than 1 time per cached_time
        if self.timer.finished():
            self.stats.update()
            self.timer = Timer(self.cached_time)

def __init__(self, config=None, args=None):
        # Init config
        self.config = config

        # Init args
        self.args = args

        # Init stats
        # Will be updated within Bottle route
        self.stats = None

        # cached_time is the minimum time interval between stats updates
        # i.e. HTTP/RESTful calls will not retrieve updated info until the time
        # since last update is passed (will retrieve old cached info instead)
        self.timer = Timer(0)

        # Load configuration file
        self.load_config(config)

        # Set the bind URL
        self.bind_url = 'http://{}:{}/'.format(self.args.bind_address,
                                               self.args.port)

        # Init Bottle
        self._app = Bottle()
        # Enable CORS (issue #479)
        self._app.install(EnableCors())
        # Password
        if args.password != '':
            self._app.install(auth_basic(self.check_auth))
        # Define routes

"""Update the ports list."""
        if self.input_method == 'local':
            # Only refresh:
            # * if there is not other scanning thread
            # * every refresh seconds (define in the configuration file)
            if self._thread is None:
                thread_is_running = False
            else:
                thread_is_running = self._thread.isAlive()
            if self.timer_ports.finished() and not thread_is_running:
                # Run ports scanner
                self._thread = ThreadScanner(self.stats)
                self._thread.start()
                # Restart timer
                if len(self.stats) > 0:
                    self.timer_ports = Timer(self.stats[0]['refresh'])
                else:
                    self.timer_ports = Timer(0)
        else:
            # Not available in SNMP mode
            pass

        return self.stats

def __init__(self, cache_timeout=60):
        """Init the class to collect stats about processes."""
        # Add internals caches because psutil do not cache all the stats
        # See: https://code.google.com/p/psutil/issues/detail?id=462
        self.username_cache = {}
        self.cmdline_cache = {}

        # The internals caches will be cleaned each 'cache_timeout' seconds
        self.cache_timeout = cache_timeout
        self.cache_timer = Timer(self.cache_timeout)

        # Init the io dict
        # key = pid
        # value = [ read_bytes_old, write_bytes_old ]
        self.io_old = {}

        # Init stats
        self.auto_sort = True
        self._sort_key = 'cpu_percent'
        self.processlist = []
        self.reset_processcount()

        # Tag to enable/disable the processes stats (to reduce the Glances CPU consumption)
        # Default is to enable the processes stats
        self.disable_tag = False