add cover art

git-svn-id: http://www.neo1973-germany.de/svn@233 46df4e5c-bc4e-4628-a0fc-830ba316316d

epydial/audio_screen.py

@@ -1,16 +1,22 @@
 #!/usr/bin/env python2.5
 # -*- coding: utf-8 -*-
-__author__ = "Soeren Apel (abraxa@dar-clan.de), Frank Gau (fgau@gau-net.de), Thomas Gstaedner (thomas (a) gstaedtner (.) net)"
+from __future__ import with_statement
+__author__ = "M. Dietrich <mdt@pyneo.org>, F. Gau <fgau@gau-net.de>, Thomas Gstaedner (thomas (a) gstaedtner (.) net)"
 __version__ = "prototype"
 __copyright__ = "Copyright (c) 2008"
 __license__ = "GPL3"
 
-LICENSE_KEY = "18C3VZN9HCECM5G3HQG2"
+AMAZON_HOST = 'ecs.amazonaws.de'
-ASSOCIATE = "webservices-20"
+AMAZON_PATH = "/onca/xml"
+AMAZON_ASSOCIATE = "webservices-20"
+AMAZON_LICENSE_KEY = "18C3VZN9HCECM5G3HQG2"
 
 from epydial import *
-import urllib
+from httplib import HTTPConnection
-from xml.dom import minidom
+from urllib import urlencode
+from urlparse import urlparse, urlunparse
+from xml.dom.minidom import parseString
+from pyneo.dns_support import DNSCache #require: export PYTHONPATH=/usr/share/pyneod
 
 class AudioScreen(EdjeGroup):
 	toggle = 0
@@ -21,33 +27,81 @@ class AudioScreen(EdjeGroup):
 		PyneoController.set_volume(self.volume)
 		self.part_text_set("volume_label", "volume %d%%" % (self.volume*100))
 
+	def get_text(self, nodelist):
+		return "".join([node.data for node in nodelist if node.nodeType == node.TEXT_NODE])
+
+	def get_content(self, scheme, netloc, path, parameters, query, fragment=None, ):
+		http_connection = HTTPConnection(netloc, getaddrinfo=DNSCache.getaddrinfo, timeout=12, )
+		try:
+			http_connection.request("GET", '%s?%s'% (path, query, ), headers={
+				'User-Agent': 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
+				'Connection': 'close',
+				})
+			response = http_connection.getresponse()
+			if response.status != 200:
+				raise Exception(response.reason)
+			data = response.read()
+		finally:
+			http_connection.close()
+		return data
+
+	def get_amazon_cover(self, artist, keywords):
+		content = self.get_content(
+			'http',
+			AMAZON_HOST,
+			AMAZON_PATH,
+			None,
+			urlencode((
+				("Service", "AWSECommerceService", ),
+				("AWSAccessKeyId", AMAZON_LICENSE_KEY, ),
+				("AssociateTag", AMAZON_ASSOCIATE, ),
+				("ResponseGroup", "Small, Images", ),
+				("Operation", "ItemSearch", ),
+				("SearchIndex", "Music", ),
+				("ContentType", "text/xml", ),
+#				("Album", album, ),
+				("Artist", artist, ),
+				("Keywords", keywords, ), #other search options are welcome
+#				("Title", title,),
+				)))
+		dom = parseString(content)
+		url = self.get_text(dom.getElementsByTagName("URL")[1].childNodes)
+		data = self.get_content(*urlparse(url))
+		return data
+
 	def register_pyneo_callbacks(self):
 		PyneoController.register_callback("on_get_mp3_tags", self.on_get_mp3_tags)
 
 	def on_get_mp3_tags(self, status):
+		try:
+			self.image.delete()
+		except:
+			pass
+
 		self.part_text_set("mp3_tags", "artist: %s<br>album: %s<br>title: %s" % (status['artist'], status['album'], status['title']))
-		print 'cover url: ', self.get_amazon_cover(status['artist'] + " "+ status['album'])
+		if not os.path.isfile(COVER_FILE_PATH + '%s_%s.jpeg' % (status['artist'], status['album'])):
+			try:
+				content = self.get_amazon_cover(status['artist'], status['album'])
+				with open(COVER_FILE_PATH + '%s_%s.jpeg' % (status['artist'], status['album']), 'w') as f:
+					f.write(content)
+			except:
+				pass # display a dummy cover
 
-	def getText(self, nodelist):
+		self.image = self.evas.Image(file=COVER_FILE_PATH + '%s_%s.jpeg' % (status['artist'], status['album']))
-		rc = ""
+		x, y = self.image.image_size
-		for node in nodelist:
+		dx, dy = self.part_size_get('icon')
-			if node.nodeType == node.TEXT_NODE:
+		if x * dy > y * dx:
-				rc = rc + node.data
+			y = y * dx / x
-		return rc
+			x = dx
-
+		else:
-	def get_amazon_cover(self, album):
+			x = x * dy / y
-		AMAZON_URL = "http://ecs.amazonaws.de/onca/xml"\
+			y = dy
-			"?Service=AWSECommerceService"\
+		print 'x, y, dx, dy: ', x, y, dx, dy
-			"&AWSAccessKeyId=" + LICENSE_KEY +\
+		self.image.fill = 0, 0, x, y
-			"&AssociateTag=" + ASSOCIATE +\
+		self.part_swallow('icon', self.image)
-			"&ResponseGroup=Images,ItemAttributes"\
+		self.obj = self.part_object_get('clipper')
-			"&Operation=ItemSearch"\
+		self.obj.size = x, y
-			"&ItemSearch.Shared.SearchIndex=Music"\
+		self.obj.show()
-			"&ItemSearch.1.Keywords=%s"
-
-		url = AMAZON_URL % (album)
-		dom = minidom.parse(urllib.urlopen(url))
-		return self.getText(dom.getElementsByTagName("URL")[1].childNodes)
 
 	@edje.decorators.signal_callback("music_player_send", "*")
 	def on_edje_signal_audio_screen_triggered(self, emission, source):
@@ -68,7 +122,6 @@ class AudioScreen(EdjeGroup):
 			self.signal_emit("key2", "")
 			self.toggle = 0
 			PyneoController.stop_music()
-			PyneoController.get_mp3_tags()
 		if source == "track_right":
 			PyneoController.next_music()
 		if source == "track_left":

epydial/data/themes/blackwhite/audio_screen.edc

@@ -270,6 +270,25 @@ collections {
 					}
 				}
 			}
+			part {
+				name: "clipper";
+				type: RECT;
+				description {
+					rel1 { relative: 1/2 1/2; offset: -80 -80; }
+					rel2 { relative: 1/2 1/2; offset: 80 80; }
+				}
+			}
+			part {
+				name: "icon";
+				type: SWALLOW;
+				mouse_events: 0;
+				clip_to: "clipper";
+				description {
+					/*fixed: 1 1;*/
+					rel1 { relative: 1/2 1/2; offset: -80 -80; }
+					rel2 { relative: 1/2 1/2; offset: 80 80; }
+				}
+			} /*end icon swallow */
 			key("track_left", 0, 2)
 			key("stop", 1, 2)
 			key_play_pause("play_pause", "play", "pause", 2, 2)

epydial/epydial.py

@@ -23,6 +23,7 @@ DB_FILE_PATH = "/media/card/epydialdb/epydial.sqlite"
 DB_PATH = "/media/card/epydialdb/"
 PIX_WEATHER_FILE_PATH = "data/themes_data/blackwhite/images/stardock_weather/"
 MP3_FILE_PATH = "/media/card/mp3/"
+COVER_FILE_PATH = "/media/card/epydial/cover/"
 RINGTONE_FILE = "/usr/share/epydial/data/sounds/ringtone_simple02.mp3"
 
 DIALER_SCREEN_NAME = "pyneo/dialer/main"
@@ -484,7 +485,6 @@ class PyneoController(object):
 		except:
 			print '--- NULL new sms'
 		class_.gsm_sms.DeleteAll(dbus_interface=DIN_STORAGE)
-		PyneoController.stop_ringtone() #TODO: not the optimal break for the startup sound ;)
 
 	@classmethod
 	def show_sms_screen(class_):