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Diffstat (limited to 'nightshift.py')
| -rwxr-xr-x | nightshift.py | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/nightshift.py b/nightshift.py deleted file mode 100755 index 72aebbb..0000000 --- a/nightshift.py +++ /dev/null @@ -1,234 +0,0 @@ -#!/usr/bin/env python3 -# -*- python -*- -copyright=''' -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 os -import sys -import socket -import threading -from subprocess import Popen, PIPE - - -PROGRAM_NAME = 'nightshift' -''' -:str The name of the program -''' - -PROGRAM_VERSION = '1.0' -''' -:str The version of the program -''' - - -## Set process title -def setproctitle(title): - ''' - Set process title - - @param title:str The title of the process - ''' - import ctypes - try: - # Remove path, keep only the file, - # otherwise we get really bad effects, namely - # the name title is truncates by the number - # of slashes in the title. At least that is - # the observed behaviour when using procps-ng. - title = title.split('/')[-1] - # Create strng buffer with title - title = title.encode(sys.getdefaultencoding(), 'replace') - title = ctypes.create_string_buffer(title) - if 'linux' in sys.platform: - # Set process title on Linux - libc = ctypes.cdll.LoadLibrary('libc.so.6') - libc.prctl(15, ctypes.byref(title), 0, 0, 0) - elif 'bsd' in sys.platform: - # Set process title on at least FreeBSD - libc = ctypes.cdll.LoadLibrary('libc.so.7') - libc.setproctitle(ctypes.create_string_buffer(b'-%s'), title) - except: - pass -setproctitle(sys.argv[0]) - - -## Parse options -for arg in sys.argv[1:]: - if arg in ('-V', '--version'): - ## Print the version of nightshift and of redshift - print('%s %s' % (PROGRAM_NAME, PROGRAM_VERSION)) - Popen(['redshift', '-V'], stdout = sys.stdout).wait() - sys.exit(0) - elif arg in ('-C', '--copyright'): - ## Print copyright information - print(copyright[1 : -1]) - sys.exit(0) - elif arg in ('-W', '--warranty'): - ## Print warranty disclaimer - print(copyright.split('\n\n')[-2]) - sys.exit(0) - elif arg in ('-h', '--help'): - ## Display help message - text = '''USAGE: nightshift [OPTIONS...] [-- REDSHIFT-OPTIONS...] - - Terminal user interface for redshift, a program for setting the colour - temperature of the display according to the time of day. - - -h --help Display this help message - -V --version Show program version - -C --copyright Show program copyright information - -W --warranty Show program warrantly disclaimer - - -d --daemon Start as daemon - -x --reset Reset mode (remove adjustment from screen) - +x --toggle Temporarily disable or enable adjustments - -s --status Print status information - - -c --config FILE Load settings from specified configuration file - -b --brightness DAY:NIGHT Screen brightness to set at daytime/night - -b --brightness BRIGHTNESS Screen brightness to apply - -t --temperature DAY:NIGHT Colour temperature to set at daytime/night - -t --temperature TEMP Colour temperature to apply - -l --location LAT:LON Your current location - -l --location PROVIDER Select provider for automatic location updates - (Type `list' to see available providers) - -m --method METHOD Method to use to set colour temperature - (Type `list' to see available methods) - -r --no-transition Disable temperature transitions - - Please report bugs to <https://github.com/maandree/nightshift/issues> - ''' - text = text.split('\n')[:-1] - indent = min([len(line) - len(line.lstrip()) for line in text if line.rstrip().startswith(' ')]) - print('\n'.join([line[indent:] if line.startswith(' ') else line for line in text])) - sys.exit(0) - else: - ## Unrecognised option - sys.stderr.write('%s: error: unrecognised option: %s\n' % (sys.argv[0], arg)) - sys.exit(1) - - -socket_path = '%s.%s-%s' % ('/dev/shm/', PROGRAM_NAME, os.environ['USER']) -sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) -try: - # Connect to the server - sock.connect(socket_path) -except: - # The process need separate sockets, lets close it - # and let both process recreate it - sock.close() - sock = None - -if sock is None: - ## Server is not running - # Create pipe for interprocess signal - (r_end, w_end) = os.pipe() - - # Duplicate process. - pid = os.fork() - - if pid == 0: - ## Daemon (child) - # Close stdin - os.close(sys.stdin.fileno()) - - # Create server socket - os.unlink(socket_path) - sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) - sock.bind(socket_path) - sock.listen(5) - - # Send signal - with os.fdopen(w_end, 'wb') as file: - file.write(b'\n') - file.flush() - - # Close the pipe - os.close(r_end) - - ## TODO (for testing) - import signal - while True: - signal.pause() - - # Close socket - sock.close() - # Close process - sys.exit(0) - else: - ## Front-end (parent) - # Wait for a signal - rc = None - with os.fdopen(r_end, 'rb') as file: - file.read(1) - - # Close the pipe - os.close(w_end) - - # Connect to the server - sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) - print('connecting') - sock.connect(socket_path) - print('connected') - - -try: - proc = Popen(['redshift', '-v'], stdout = PIPE, stderr = open(os.devnull)) - red_brightness, red_period, red_temperature, red_running = 1, 1, 6500, True - red_condition = threading.Condition() - - def read_status(): - global red_brightness, red_period, red_temperature, red_running - while True: - got = proc.stdout.readline() - if (got is None) or (len(got) == 0): - break - got = got.decode('utf-8', 'replace')[:-1] - (key, value) = got.split(': ') - red_condition.acquire() - try: - if key == 'Brightness': - red_brightness = float(value) - elif key == 'Period': - if value == 'Night': - red_period = 0 - elif value == 'Daytime': - red_period = 1 - else: - red_period = float(value.split(' ')[1][1 : -1]) / 100 - elif key == 'Color temperature': - red_temperature = float(value[:-1]) - except: - pass - red_condition.notify() - red_condition.release() - red_running = False - - thread = threading.Thread(target = read_status) - thread.setDaemon(True) - thread.start() - - while red_running: - red_condition.acquire() - red_condition.wait() - print('%f: %f, %f' % (red_period, red_temperature, red_brightness)) - red_condition.release() - -finally: - # Close socket - sock.close() - |