自动改变颜色的小程序

change_tint2_color

#!/bin/bash
nitrogen /home/kaleo/images/wallpapers/ && python change_tint2_color.py && tint2restart  &

change_tint2_color.py

#!/usr/bin/python 
#Filename: change_tint2_color.py

import Image
import colorsys
import re
import os

def read_config_file():

	'''Read the nitrogen's config file(bg-saved.cfg)'''

	f = file(r'bg-saved.cfg','rb')
	content = f.read()
	f.close()
	return content

def get_filename():

	'''get the image's name'''

	content = read_config_file()
	#filename = re.findall('/home/kaleo/images/wallpapers/shared/[A-Za-z0-9]+.jpg',content)
	filename = re.findall('[A-Za-z0-9]+.jpg',content)
	return filename


def get_image(image):
	'''get the thumbnail of this image'''

	image.thumbnail((200,200))
	box = (150,0,200,15)
	image_temp = image.crop(box)
	return image_temp

def get_dominant_color(image_temp):

	'''get the dominant color of the image'''

	image_temp = image_temp.convert('RGBA')
	max_score = None
	dominant_color = None
	for count,(r,g,b,a)in image_temp.getcolors(image_temp.size[0]*image_temp.size[1]):
		if a == 0:
			continue
		saturation = colorsys.rgb_to_hsv(r / 255.0,g / 255.0, b / 255.0)[1]
		y = min(abs(r * 2104 + g * 4130 + b * 802 + 4096 + 131072) >> 13, 235)
		y = (y - 16.0) / (235 - 16)
		if y > 0.9:
			continue
		score = (saturation + 0.1) * count
		if score > max_score:
			max_score = score
	dominant_color = (r,g,b)
	return dominant_color

def write_cfg(cfg):

	'''write config file into the tint2rc'''

	os.chdir('/home/kaleo/.config/tint2/')
	data = open('tint2rc' + cfg)
	output = open('tint2rc','w')
	output.writelines(data)
	output.close()
	

os.chdir('/home/kaleo/.config/nitrogen/')
filename = get_filename()
os.chdir('/home/kaleo/images/wallpapers/shared/')
color =  get_dominant_color(get_image(Image.open(filename[0])))
if color[0] > 85 and color[1] > 85 and color[2] > 85:
	print 'light'
	write_cfg('light')
else :
	write_cfg('dark')