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#!/usr/bin/env python3
# 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 Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import time
import datetime
from colour import *
from curve import *
from monitor import *
## Set globals variables
global DATADIR, i_size, o_size, r_curve, g_curve, b_curve, clip_result
global periodically, wait_period, monitor_controller, running
def periodically(year, month, day, hour, minute, second, weekday, fade):
'''
Invoked periodically
If you want to control at what to invoke this function next time
you can set the value of the global variable `wait_period` to the
number of seconds to wait before invoking this function again.
The value does not need to be an integer.
@param year:int The year
@param month:int The month, 1 = January, 12 = December
@param day:int The day, minimum value is 1, probable maximum value is 31 (*)
@param hour:int The hour, minimum value is 0, maximum value is 23
@param minute:int The minute, minimum value is 0, maximum value is 59
@param second:int The second, minimum value is 0, probable maximum value is 60 (**)
@param weekday:int The weekday, 1 = Monday, 7 = Sunday
@param fade:float? Blueshift can use this function to fade into a state when it start
or exits. `fade` can either be negative, zero or positive or `None`,
but the magnitude of value cannot exceed 1. When Blueshift starts,
the this function will be invoked multiple with the time parameters
of the time it is invoked and each time `fade` will increase towards
1, starting at 0, when the value is 1, the settings should be applied
to 100 %. After this this function will be invoked once again with
`fade` being `None`. When Blueshift exits the same behaviour is used
except, `fade` decrease towards -1 but start slightly below 0, when
-1 is reached all settings should be normal. Then Blueshift will NOT
invoke this function with `fade` being `None`, instead it will by
itself revert all settings and quit.
(*) Can be exceeded if the calendar system is changed, like in 1712-(02)Feb-30
(**) See https://en.wikipedia.org/wiki/Leap_second
'''
if fade is None:
negative(False, False, False)
temperature(6500, lambda T : divide_by_maximum(series_d(T)), True)
temperature(6500, lambda T : clip_whitepoint(simple_whitepoint(T)), True)
temperature(6500, cmf_2deg, True)
temperature(6500, cmf_10deg, True)
rgb_contrast(1.0, 1.0, 1.0)
cie_contrast(1.0)
rgb_brightness(1.0, 1.0, 1.0)
cie_brightness(1.0)
gamma(1.0, 1.0, 1.0)
sigmoid(None, None, None)
manipulate(lambda r : r, lambda g : g, lambda b : b)
clip()
randr(1, 2)
periodically = None
'''
:(int, int, int, int, int, int, int, float?)?→void Place holder for periodically invoked function
'''
wait_period = 60
'''
:float The number of seconds to wait before invoking `periodically` again
'''
monitor_controller = lambda : randr()
'''
:()→void Function used by Blueshift on exit to apply reset colour curves
'''
fadein_time = 10
'''
:float? The number of seconds used to fade in on start, `None` for no fading
'''
fadeout_time = 10
'''
:float? The number of seconds used to fade out on exit, `None` for no fading
'''
fadein_steps = 100
'''
:int The number of steps in the fade in phase, if any
'''
fadeout_steps = 100
'''
:int The number of steps in the fade out phase, if any
'''
running = True
'''
:bool `True` while to program has not received a terminate signal
'''
## Load extension and configurations via ponysayrc
for file in ('$XDG_CONFIG_HOME/%/%rc', '$HOME/.config/%/%rc', '$HOME/.%rc', '/etc/%rc'):
file = file.replace('%', 'blueshift')
for arg in ('XDG_CONFIG_HOME', 'HOME'):
if arg in os.environ:
print(arg)
file = file.replace('$' + arg, os.environ[arg].replace('$', '\0'))
else:
file = None
break
if file is not None:
file = file.replace('\0', '$')
if os.path.exists(file):
code = None
with open(file, 'rb') as script:
code = script.read()
code = code.decode('utf8', 'error') + '\n'
code = compile(code, file, 'exec')
exec(code, globals)
break
## Run periodically if configured to
if periodically is not None:
def p(t, fade = None):
wd = t.isocalendar()[2]
periodically(t.year, t.month, t.day, t.hour, t.minute, t.second, wd, fade)
## Fade in
early_exit = False
ftime = 0
if fadein_time is not None:
dtime = fadein_time / fadein_steps
while running:
ftime += dtime
if ftime > 1:
break
p(datetime.datetime.now(), ftime)
## Run periodically
if not early_exit:
while running:
p(datetime.datetime.now(), None)
if running:
time.sleep(wait_period)
## Fade out
if fadeout_time is not None:
dtime = fadeout_time / fadeout_steps
if early_exit:
ftime = 1
while True:
ftime -= dtime
if ftime <= 0:
break
p(datetime.datetime.now(), -ftime)
## Reset
start_over()
monitor_controller()
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