mopidy-touchscreen/mopidy_touchscreen/main_screen.py~

import pygame
import logging
import hashlib
import os
import urllib
from mopidy.audio import PlaybackState
from .dynamic_background import DynamicBackground


logger = logging.getLogger(__name__)

class MainScreen():



	def __init__(self,size,manager,cache):
		self.size=size
		self.manager=manager
		self.background=DynamicBackground()
		self.track = None
		self.cache=cache
		self.imageStatus = -1

	def update(self,core):
		screen = pygame.Surface(self.size)
		self.background.drawBackground(screen)
		text = pygame.font.SysFont("arial",20)
		if(self.track!=None):
			text_surface=text.render(self.track.name,False,(255,255,255))
			screen.blit(text_surface,(0,0))
		return screen

	def track_started(self,track):
		self.track=track
		logger.error("track started")
		if(not self.isImageInCache()):
			logger.error("deskarga hasiko da")
			self.downloadImage()
			
		else:
			self.imageStatus = 1
			logger.error("supuestamente irudia badago")

	def getImageFileName(self):
		logger.error("izena sortzen")
		name = self.track.album.name
		logger.error(name)
		md5name = hashlib.md5(name).hexdigest()
		logger.error("izena ondo")
		return md5name

	def getCoverFolder(self):
		logger.error("cover karpeta lortzen")
		if(not os.path.isdir(self.cache+"/covers")):
			logger.error("cover carpeta sortu da")
			os.makedirs(self.cache+"/covers")
		else:
			logger.error("ez da cover carpeta sortu")
		return self.cache+"/covers/"

	def isImageInCache(self):
		logger.error("imagen en katxe hasiera")
		self.getCoverFolder()
		logger.error("imagen en katxe bukaerar")
		return os.path.isfile(self.cache+self.getCoverFolder()+self.getImageFileName())


	def downloadImage(self):
		logger.error("deskarga hasi da jaja")
		self.imageStatus = 0
		#safe_artist=urllib.quote_plus(self.track.artists)
		safe_artist=''
		logger.error("-1")
		safe_album=urllib.quote_plus(self.track.album.name)
		logger.error("1")
		url="http://ws.audioscrobbler.com/2.0/?"
		params="method=album.getinfo&api_key=59a04c6a73fb99d6e8996e01db306829&artist="+safe_artist+"&album="+safe_album+"&format=json"
		response = urllib2.urlopen(url+params)
		data = json.load(response)   
		image = data['album']['image'][2]['#text']
		urllib.urlretrieve(image, folder+"00000001.jpg")
		self.imageStatus = 1