def main(config):
graphite_server = config.get("graphite", "server")
graphite_prefix = config.get("graphite", "prefix")
print "Initializing graphiteudp, server: {}, prefix: {}".format(graphite_server, graphite_prefix)
graphiteudp.init(graphite_server, prefix=graphite_prefix)
dbfile = os.path.join(os.environ.get('HOME'), 'scans.sqlite3')
dbfile = 'scans.sqlite3'
need_schema = False
if not os.path.exists(dbfile):
need_schema = True
db = sqlite3.connect(dbfile)
if need_schema:
db.execute('create table scans(barcode text, timestamp datetime, event_id text)')
dev = [InputDevice(device) for device in list_devices()
if InputDevice(device).name == scanner_name][0]
def signal_handler(signal, frame):
print 'Stopping'
dev.ungrab()
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
dev.grab()
barcode = ""
last_event_time = 0
last_event_id = None
for event in dev.read_loop():
if event.type == ecodes.EV_KEY:
data = categorize(event)
# Catch only keydown, and not Enter
if data.keystate == 1 and data.scancode != 42:
if data.scancode == 28:
timestamp = time.time()
if timestamp - last_event_time < 10:
event_id = last_event_id
else:
event_id = uuid.uuid1()
last_event_id = event_id
last_event_time = timestamp
graphiteudp.send('event.scan', 1)
db.execute(
'insert into scans (barcode, timestamp, event_id) ' +
'values (:barcode, :timestamp, :event_id)',
[barcode, timestamp, event_id.get_urn()])
db.commit()
barcode = ""
else:
try:
barcode += scancodes[data.scancode]
except KeyError:
print >>sys.stderr, "Unknown scancode: {0}".format(data.scancode)
def main(config):
"""Initializes the scanner and runs the main event loop.
:param config: Scanner configuration object
"""
init_graphite(config.get("graphite", "server"), config.get("graphite", "prefix"))
connection = init_database()
dev = get_input_device()
def signal_handler(incoming_signal, dataframe): # pylint: disable=unused-argument
"""Handle SIGINTs
:param incoming_signal: The signal
:param dataframe: The data associated with the signal.
"""
print 'Stopping'
dev.ungrab()
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
dev.grab()
barcode = ""
last_event_time = 0
last_event_id = None
for event in dev.read_loop():
if event.type == ecodes.EV_KEY:
data = categorize(event)
# Catch only keydown, and not Enter
if data.keystate == 1 and data.scancode != 42:
if data.scancode == 28:
timestamp = time.time()
if timestamp - last_event_time < 10:
event_id = last_event_id
else:
event_id = uuid.uuid1()
last_event_id = event_id
last_event_time = timestamp
graphiteudp.send('event.scan', 1)
connection.execute(
'insert into scans (barcode, timestamp, event_id) ' +
'values (:barcode, :timestamp, :event_id)',
[barcode, timestamp, event_id.get_urn()])
connection.commit()
barcode = ""
else:
try:
barcode += SCANCODES[data.scancode]
except KeyError:
print >>sys.stderr, "Unknown scancode: {0}".format(data.scancode)
import sys
import logging
sys.path.insert(0, "../src/")
import graphiteudp
graphiteudp.send("foo", 1.2)
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler() # Writes to stderr by default
handler.setFormatter(logging.Formatter('%(process)d %(name)s %(levelname)s %(message)s'))
logger.addHandler(handler)
graphiteudp.init(debug = True)
graphiteudp.send("foo2", 1.2)
graphiteudp.init("example.com")
graphiteudp.send("foo3", 1.2)
graphiteudp.init("example.com", 2005)
graphiteudp.send("foo3", 1.2)
graphiteudp.init("example.com", 2005, prefix = "bzrt")
graphiteudp.send("foo4", 1.2, 100)
import sys
import logging
sys.path.insert(0, "../src/")
import graphiteudp
graphiteudp.send("foo", 1.2)
logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
handler = logging.StreamHandler() # Writes to stderr by default
handler.setFormatter(
logging.Formatter('%(process)d %(name)s %(levelname)s %(message)s'))
logger.addHandler(handler)
graphiteudp.init(debug=True)
graphiteudp.send("foo2", 1.2)
graphiteudp.init("example.com")
graphiteudp.send("foo3", 1.2)
graphiteudp.init("example.com", 2005)
graphiteudp.send("foo3", 1.2)
graphiteudp.init("example.com", 2005, prefix="bzrt")
graphiteudp.send("foo4", 1.2, 100)
def send(self, name, val):
graphiteudp.send(name, val)
hvac_fan_on = n.status['shared'][n.serial]['hvac_fan_state']
while True:
try:
data = bus.read_i2c_block_data(0x48, 0)
except IOError:
logging.debug("Error getting temperature. Retrying...")
else:
break
msb = data[0]
lsb = data[1]
current_temperature_c = (((msb << 8) | lsb) >> 4) * 0.0625
current_temperature = current_temperature_c * 1.8 + 32.0
logging.debug("Temperature: %s F (%s C)", current_temperature, current_temperature_c)
graphiteudp.send("closet.temperature.f",current_temperature)
graphiteudp.send("closet.temperature.c",current_temperature_c)
if away:
logging.debug("Auto away enabled. Turning on fan.")
fan.turn_on()
elif hvac_fan_on:
logging.debug("HVAC system running. Turning on fan.")
fan.turn_on()
elif current_temperature > cfg.max_temperature:
logging.debug("Current Temperature is over max threshold. Turning on fan.")
fan.turn_on()
else:
logging.debug("Nothing going on. Turning off fan.")
fan.turn_off()
logging.debug("Sleeping for %s seconds.",cfg.timeout)
def graphite_metric_task(name, num, **kwargs):
if graphiteudp is None:
raise ImproperlyConfigured("You must install 'graphiteudp' in order to use this backend.")
graphiteudp.send(name, num)
def graphite_metric_task(name, num, **kwargs):
if graphiteudp is None:
raise ImproperlyConfigured(
"You must install 'graphiteudp' in order to use this backend.")
graphiteudp.send(name, num)
while True:
try:
data = bus.read_i2c_block_data(0x48, 0)
except IOError:
logging.debug("Error getting temperature. Retrying...")
else:
break
msb = data[0]
lsb = data[1]
current_temperature_c = (((msb << 8) | lsb) >> 4) * 0.0625
current_temperature = current_temperature_c * 1.8 + 32.0
logging.debug("Temperature: %s F (%s C)", current_temperature,
current_temperature_c)
graphiteudp.send("closet.temperature.f", current_temperature)
graphiteudp.send("closet.temperature.c", current_temperature_c)
if away:
logging.debug("Auto away enabled. Turning on fan.")
fan.turn_on()
elif hvac_fan_on:
logging.debug("HVAC system running. Turning on fan.")
fan.turn_on()
elif current_temperature > cfg.max_temperature:
logging.debug(
"Current Temperature is over max threshold. Turning on fan.")
fan.turn_on()
else:
logging.debug("Nothing going on. Turning off fan.")
fan.turn_off()
