def __alert(color, length=None, fade=0.5):
try:
if length:
msg = termcolor.colored(
'[blink(1)] flashing {} for {} s'.format(color, length), color
)
print(msg, file=sys.stderr)
cycles = int(length // (2 * fade))
for i in range(cycles):
with blink1() as b1:
b1.fade_to_color(0, color)
time.sleep(fade)
time.sleep(fade)
else:
with blink1() as b1:
b1.fade_to_color(fade * 1000, color)
msg = termcolor.colored((
'[blink(1)] flashing {}... '.format(color) +
'press enter to terminate.'
), color)
print(msg, end=' ')
input()
except KeyboardInterrupt:
with blink1() as b1:
b1.fade_to_color(0, color)
def __alert(color, length=None, fade=0.5):
try:
if length:
msg = termcolor.colored(
'[blink(1)] flashing {} for {} s'.format(color, length), color
)
print(msg, file=sys.stderr)
cycles = int(length // (2 * fade))
for i in range(cycles):
with blink1() as b1:
b1.fade_to_color(0, color)
time.sleep(fade)
time.sleep(fade)
else:
with blink1() as b1:
b1.fade_to_color(fade * 1000, color)
msg = termcolor.colored((
'[blink(1)] flashing {}... '.format(color) +
'press enter to terminate.'
), color)
print(msg, end=' ')
input()
except KeyboardInterrupt:
with blink1() as b1:
b1.fade_to_color(0, color)
def post_run_cell(self, result):
with blink1(switch_off=False) as b1:
if result.success:
# there was no exception
b1.play(*self.complete_pattern)
else:
# something went wrong
b1.play(*self.error_pattern)
def alarm(alarm):
"Plays the alarm sound specified by alarm"
#cmd = ["mpg123", alarm]
#proc = subprocess.Popen(cmd, stdout = DEV_NULL, stderr = subprocess.PIPE)
#proc.wait()
with blink1() as b1:
b1.fade_to_color(100, 'yellow')
time.sleep(10)
def test_range(self):
"""Verify that it is possible to produce the entire color range"""
for k in range(10, 12000, 400):
r, g, b = kelvin_to_rgb(k)
self.assertIsInstance(r, int)
self.assertIsInstance(g, int)
self.assertIsInstance(b, int)
with blink1(white_point=(r, g, b)) as b1:
b1.fade_to_color(0, "white")
time.sleep(0.05)
def test_range(self):
"""Verify that it is possible to produce the entire color range"""
for k in range(10, 12000, 400):
r,g,b = kelvin_to_rgb(k)
self.assertIsInstance(r, int)
self.assertIsInstance(g, int)
self.assertIsInstance(b, int)
with blink1(white_point=(r,g,b)) as b1:
b1.fade_to_color(0, 'white')
time.sleep(0.05)
def activate(color):
print("activate: " + color)
try:
# b2.fade_to_rgb(1000, 255, 255, 255)
with blink1() as b1:
for i in range(5):
b1.fade_to_color(100, color)
time.sleep(.8)
b1.fade_to_color(100, 'black')
time.sleep(.8)
except Exception as err:
print(type(err))
raise
def use_blink(color, minutes):
"""
This function will change the color of the blink(1) device based upon
where we're at in the pomodoro session.
:param color: str
:param minutes: int (or float)
"""
try:
with blink1() as b1:
b1.fade_to_color(1000, color)
time.sleep(minutes * 60)
except KeyboardInterrupt:
control_c(b1)
except Exception as e:
no_device_found(e)
def flash_blink():
"""
Flash the blink(1) between blue and red.
"""
try:
with blink1() as b1:
b1.fade_to_rgb(.5, 0, 0, 0)
for i in xrange(5):
b1.fade_to_color(100, 'blue')
time.sleep(.1)
b1.fade_to_color(100, 'red')
time.sleep(.1)
b1.fade_to_rgb(.5, 0, 0, 0)
except KeyboardInterrupt:
control_c(b1)
except Exception as e:
no_device_found(e)
def run(white_point):
config = discover()
downstream_url = config['downstream']
socket = context.socket(zmq.SUB)
socket.connect(config['downstream'])
log.info("Connecting to %s" % downstream_url)
socket.setsockopt_string(zmq.SUBSCRIBE, DEFAULT_CHANNEL)
stream = ZMQStream(socket)
loop = ioloop.IOLoop.instance()
with blink1(white_point=white_point) as b1:
reciever = Receiver(b1, loop)
stream.on_recv(reciever.recieve)
loop.add_callback(reciever.throbber)
loop.start()
def run(white_point):
config = discover()
downstream_url = config['downstream']
socket = context.socket(zmq.SUB)
socket.connect(config['downstream'])
log.info("Connecting to %s" % downstream_url)
socket.setsockopt_string(zmq.SUBSCRIBE, DEFAULT_CHANNEL)
stream = ZMQStream(socket)
loop = ioloop.IOLoop.instance()
with blink1(white_point=white_point) as b1:
reciever = Receiver(b1, loop)
stream.on_recv(reciever.recieve)
loop.add_callback(reciever.throbber)
loop.start()
def __init__(self, ipython):
self.ipython = ipython
# send patterns to blink1, and store indices into pattern memory
self.executing_pattern = (1, 2)
with blink1(switch_off=False) as b1:
b1.write_pattern_line(1000, "blue", 1)
b1.write_pattern_line(1000, "darkblue", 2)
self.error_pattern = (3, 6)
# the fades to same color make the led blink - i.e. fades
# have hard edges
b1.write_pattern_line(0, "red", 3)
b1.write_pattern_line(500, "red", 4)
b1.write_pattern_line(0, "black", 5)
b1.write_pattern_line(500, "black", 6)
self.complete_pattern = (7, 7)
b1.write_pattern_line(100, "green", 7)
# set up event listeners
ipython.events.register("pre_run_cell", self.pre_run_cell)
ipython.events.register("post_run_cell", self.post_run_cell)
atexit.register(self.shutdown)
def test_cm_closed(self):
with blink1() as b1:
b1.close()
b1.fade_to_color(0, "teal")
def test_cm_with_gamma(self):
with blink1(gamma=(.5, .5, .5)) as b1:
b1.fade_to_color(0, "teal")
def test_cm_with_white_point(self):
with blink1(white_point=COLOR_TEMPERATURES['candle']) as b1:
b1.fade_to_color(0, "white")
time.sleep(0.1)
def blink():
with blink1() as b1:
b1.fade_to_color(100, 'navy')
sleep(5)
return "Light activated for 5 seconds"
import time
from blink1.blink1 import blink1
with blink1() as b1:
b1.fade_to_color(100, 'navy')
time.sleep(10)
def shine(color, white_point):
with blink1(switch_off=False, white_point=white_point) as b1:
b1.fade_to_color(100, color)
def pre_run_cell(self):
with blink1(switch_off=False) as b1:
b1.play(*self.executing_pattern)
def test_cm_with_white_point(self):
with blink1(white_point='blue-sky') as b1:
b1.fade_to_color(0, "white")
time.sleep(0.1)
def shine(color, white_point):
with blink1(switch_off=False, white_point=white_point) as b1:
b1.fade_to_color(100, color)
#!/usr/bin/env python
"""
demo_context -- simple context manager demo of blink1 library
"""
import time
from blink1.blink1 import blink1
with blink1() as b1:
b1.fade_to_color(300, 'goldenrod')
time.sleep(2)
time.sleep(1)
# notice how blink(1) is turned off and closed
# outside of the 'with' block
# you can override this this 'switch_off' flag
with blink1(switch_off=False) as b1:
b1.fade_to_color(300, 'pink')
time.sleep(2)
with blink1() as b1:
b1.fade_to_color(300, 'aqua')
time.sleep(2)
def rest(duration):
with blink1() as b1:
b1.fade_to_color(100, 'green')
time.sleep(duration)
def test_cm(self):
with blink1() as b1:
b1.fade_to_color(0, "teal")
def test_cm_with_white_point(self):
with blink1(white_point='blue-sky') as b1:
b1.fade_to_color(0, "white")
time.sleep(0.1)
def test_cm_with_white_point(self):
with blink1(white_point=(255, 255, 255)) as b1:
b1.fade_to_color(0, "white")
time.sleep(0.1)
def test_cm_with_gamma(self):
with blink1(gamma=(.5, .5, .5)) as b1:
b1.fade_to_color(0, "teal")
def test_cm_with_white_point(self):
with blink1(white_point=COLOR_TEMPERATURES['candle']) as b1:
b1.fade_to_color(0, "white")
time.sleep(0.1)
def shine(color, fade):
with blink1(switch_off=False) as b1:
b1.fade_to_color(fade * 1000.0, color)
def test_cm(self):
with blink1() as b1:
b1.fade_to_color(0, "teal")
def quit(self):
with blink1() as b1:
b1.fade_to_color(1000, 'black')
time.sleep(1)
root.destroy()
def test_cm_closed(self):
with blink1() as b1:
b1.close()
b1.fade_to_color(0, "teal")
def shine(color):
with blink1(False) as b1:
b1.fade_to_color(100, color)
def shutdown(self):
with blink1(switch_off=False) as b1:
b1.fade_to_color(0, "black")
b1.close()
def test_cm_with_white_point(self):
with blink1(white_point=(255, 255, 255)) as b1:
b1.fade_to_color(0, "white")
time.sleep(0.1)
import time
from blink1.blink1 import blink1
with blink1() as b1:
b1.fade_to_color(100, 'navy')
time.sleep(10)
def set_color(self, color):
with blink1(switch_off=False) as b1:
b1.fade_to_color(1000, color)
time.sleep(1)
