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#!/usr/bin/env python3
# -*- python -*-
'''
nightshift - A terminal user interface for redshift
Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import sys
import fcntl
import struct
import signal
import termios
import threading
def user_interface():
'''
Start user interface
'''
print('\033[?1049h\033[?25l')
saved_stty = termios.tcgetattr(sys.stdout.fileno())
stty = termios.tcgetattr(sys.stdout.fileno())
stty[3] &= ~(termios.ICANON | termios.ECHO | termios.ISIG)
try:
termios.tcsetattr(sys.stdout.fileno(), termios.TCSAFLUSH, stty)
(height, width) = struct.unpack('hh', fcntl.ioctl(sys.stdout.fileno(), termios.TIOCGWINSZ, '1234'))
sock.sendall('status\n'.encode('utf-8'))
def winch(signal, frame):
nonlocal height, width
(height, width) = struct.unpack('hh', fcntl.ioctl(sys.stdout.fileno(), termios.TIOCGWINSZ, '1234'))
signal.signal(signal.SIGWINCH, winch)
def callback(status):
if status is None:
return
print('\033[H\033[2J', end = '')
for key in status:
print(key + ': ' + status[key])
print(str(width) + ' x ' + str(height))
#brightness = [float(status['%s brightness' % k]) for k in ('Night', 'Current', 'Daytime')]
#temperature = [float(status['%s temperature' % k]) for k in ('Night', 'Current', 'Daytime')]
#dayness = float(status['Dayness'])
#enabled = status['Enabled'] == 'yes'
#running = status['Running'] == 'yes'
#location = [float(status['Latitude']), float(status['Longitude'])]
thread = threading.Thread(target = ui_status, args = (callback,))
thread.setDaemon(True)
thread.start()
input()
except:
pass
finally:
termios.tcsetattr(sys.stdout.fileno(), termios.TCSAFLUSH, saved_stty)
print('\033[?25h\033[?1049l')
def ui_status(callback):
buf = ''
continue_to_run = True
while continue_to_run:
while '\n\n' not in buf:
got = sock.recv(1024)
if (got is None) or (len(got) == 0):
continue_to_run = False
break
buf += got.decode('utf-8', 'replace')
if '\n\n' in buf:
break
if continue_to_run:
msg, buf = buf.split('\n\n')[0], '\n\n'.join(buf.split('\n\n')[1:])
callback(dict([line.split(': ') for line in msg.split('\n')]))
callback(None)
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