class Ticker(object):
"""
"""
def __init__(self, *args, **kwargs):
self.counter = 0
self._nodes = {}
self._pre_tick_fns = kwargs.get('pre_tick', [])
self._post_tick_fns = kwargs.get('post_tick', [])
if hasattr(self._pre_tick_fns, '__call__'):
self._pre_tick_fns = [self._pre_tick_fns]
if hasattr(self._post_tick_fns, '__call__'):
self._post_tick_fns = [self._post_tick_fns]
self._watcher = Watcher(pre_cycle=self._doPreTick, post_cycle=self._doEmits)
for node in args:
self.watch(node)
return super(Ticker, self).__init__()
def addPreTick(self, *args):
self._pre_tick_fns += args
def addPostTick(self, *args):
self._post_tick_fns += args
def _doPreTick(self):
for fn in self._pre_tick_fns:
fn(self)
def _doPostTick(self):
for fn in self._post_tick_fns:
fn(self)
def _doEmits(self):
for node_id in self._nodes:
self._nodes[node_id].emitData()
self.counter += 1
self._doPostTick()
def start(self, period=10, duration=float('inf')):
self._watcher.start(period=period, duration=duration, silent=True)
def watch(self, node):
self._nodes[node.id] = node
if hasattr(node, 'device'):
self._watcher.watch(node.device)
def __init__(self, *args, **kwargs):
self.counter = 0
self._nodes = {}
self._pre_tick_fns = kwargs.get('pre_tick', [])
self._post_tick_fns = kwargs.get('post_tick', [])
if hasattr(self._pre_tick_fns, '__call__'):
self._pre_tick_fns = [self._pre_tick_fns]
if hasattr(self._post_tick_fns, '__call__'):
self._post_tick_fns = [self._post_tick_fns]
self._watcher = Watcher(pre_cycle=self._doPreTick, post_cycle=self._doEmits)
for node in args:
self.watch(node)
return super(Ticker, self).__init__()
from ninja.api import NinjaAPI, Watcher
from ninja.devices import TemperatureSensor, HumiditySensor
from datetime import datetime
# Set up the NinjaAPI and Device wrappers:
# Access token from https://a.ninja.is/you#apiTab
api = NinjaAPI(settings.ACCESS_TOKEN)
device1 = TemperatureSensor(api, settings.TEMP_ID)
device2 = HumiditySensor(api, settings.HUMIDITY_ID)
# The watcher will provide a single loop for polling all of the devices.
watcher = Watcher(device1, device2)
# Output the temperature to stdio.
def printTempCelsius(inst, temperature):
date = inst.last_read.isoformat()
print '{date} - {id}: {temperature} C'.format(
date=date,
id=inst.guid,
temperature=temperature.c,
)
def printRelHumidity(inst, humidity):
date = inst.last_read.isoformat()
print '{date} - {id}: {humidity}%'.format(
from ninja.api import NinjaAPI, Watcher
from ninja.devices import TemperatureSensor, HumiditySensor
from datetime import datetime
# Set up the NinjaAPI and Device wrappers:
# Access token from https://a.ninja.is/you#apiTab
api = NinjaAPI(settings.ACCESS_TOKEN)
device1 = TemperatureSensor(api, settings.TEMP_ID)
device2 = HumiditySensor(api, settings.HUMIDITY_ID)
# The watcher will provide a single loop for polling all of the devices.
watcher = Watcher(device1, device2)
# Output the temperature to stdio.
def printTempCelsius(inst, temperature):
date = inst.last_read.isoformat()
print "{date} - {id}: {temperature} C".format(date=date, id=inst.guid, temperature=temperature.c)
def printRelHumidity(inst, humidity):
date = inst.last_read.isoformat()
print "{date} - {id}: {humidity}%".format(date=date, id=inst.guid, humidity=humidity)
# Bind the output to the heartbeat event.
device1.onHeartbeat(printTempCelsius)
