source: trunk/StreamVision/StreamVision.py@ 486

Last change on this file since 486 was 486, checked in by Nicholas Riley, 16 years ago

StreamVision.py: Support Radio Paradise album cover retrieval.

File size: 12.1 KB
RevLine 
[188]1#!/usr/bin/pythonw
2# -*- coding: utf-8 -*-
3
[232]4from appscript import app, k, its, CommandError
[300]5from AppKit import NSApplication, NSApplicationDefined, NSBeep, NSSystemDefined, NSURL, NSWorkspace
[486]6from Foundation import NSDistributedNotificationCenter, NSSearchPathForDirectoriesInDomains, NSCachesDirectory, NSUserDomainMask
[188]7from PyObjCTools import AppHelper
8from Carbon.CarbonEvt import RegisterEventHotKey, GetApplicationEventTarget
[232]9from Carbon.Events import cmdKey, shiftKey, controlKey
[486]10import httplib2
11import os
[188]12import struct
13import scrape
[211]14import HotKey
[188]15
16GROWL_APP_NAME = 'StreamVision'
17NOTIFICATION_TRACK_INFO = 'iTunes Track Info'
18NOTIFICATIONS_ALL = [NOTIFICATION_TRACK_INFO]
19
20kEventHotKeyPressedSubtype = 6
21kEventHotKeyReleasedSubtype = 9
22
[300]23kHIDUsage_Csmr_ScanNextTrack = 0xB5
24kHIDUsage_Csmr_ScanPreviousTrack = 0xB6
25kHIDUsage_Csmr_PlayOrPause = 0xCD
26
[340]27def growlRegister():
28 global growl
29 growl = app(id='com.Growl.GrowlHelperApp')
[188]30
[340]31 growl.register(
32 as_application=GROWL_APP_NAME,
33 all_notifications=NOTIFICATIONS_ALL,
34 default_notifications=NOTIFICATIONS_ALL,
35 icon_of_application='iTunes.app')
36 # if we leave off the .app, we can get Classic iTunes's icon
[188]37
38def growlNotify(title, description, **kw):
[340]39 try:
40 growl.notify(
41 with_name=NOTIFICATION_TRACK_INFO,
42 title=title,
43 description=description,
44 application_name=GROWL_APP_NAME,
45 **kw)
46 except CommandError:
47 growlRegister()
48 growlNotify(title, description, **kw)
[195]49
[188]50def radioParadiseURL():
[315]51 # XXX better to use http://www2.radioparadise.com/playlist.xml ?
[188]52 session = scrape.Session()
[195]53 session.go('http://www2.radioparadise.com/nowplay_b.php')
54 return session.region.firsttag('a')['href']
[188]55
[194]56def cleanStreamTitle(title):
[316]57 if title == k.missing_value:
[194]58 return ''
59 title = title.split(' [')[0] # XXX move to description
[341]60 try: # incorrectly encoded?
61 title = title.encode('iso-8859-1').decode('utf-8')
[459]62 except (UnicodeDecodeError, UnicodeEncodeError):
[341]63 pass
[194]64 title = title.replace('`', u'’')
[323]65 return title
[195]66
[194]67def cleanStreamTrackName(name):
[188]68 name = name.split('. ')[0]
69 name = name.split(': ')[0]
[190]70 name = name.split(' - ')
71 if len(name) > 1:
72 name = ' - '.join(name[:-1])
73 else:
74 name = name[0]
[188]75 return name
[195]76
[199]77def iTunesApp(): return app(id='com.apple.iTunes')
78def XTensionApp(): return app(creator='SHEx')
[414]79def AmuaApp(): return app('Amua.app')
[188]80
[199]81HAVE_XTENSION = False
82try:
83 XTensionApp()
84 HAVE_XTENSION = True
85except:
86 pass
87
[414]88HAVE_AMUA = False
89try:
90 AmuaApp()
91 HAVE_AMUA = True
92except:
93 pass
94
[324]95needsStereoPowerOn = HAVE_XTENSION
96
[414]97def amuaPlaying():
98 if not HAVE_AMUA:
99 return False
100 return AmuaApp().is_playing()
101
[486]102class OneFileCache(object):
103 __slots__ = ('key', 'cache')
104
105 def __init__(self, cache):
106 if not os.path.exists(cache):
107 os.makedirs(cache)
108 self.cache = os.path.join(cache, 'file')
109 self.key = None
110
111 def get(self, key):
112 if key == self.key:
113 return file(self.cache, 'r').read()
114
115 def set(self, key, value):
116 self.key = key
117 file(self.cache, 'w').write(value)
118
119 def delete(self, key):
120 if key == self.key:
121 self.key = None
122 os.remove(cache)
123
[188]124class StreamVision(NSApplication):
125
126 hotKeyActions = {}
127 hotKeys = []
128
[414]129 def displayTrackInfo(self, playerInfo=None):
[324]130 global needsStereoPowerOn
131
[188]132 iTunes = iTunesApp()
[195]133
[315]134 trackClass = iTunes.current_track.class_()
[211]135 trackName = ''
[315]136 if trackClass != k.property:
137 trackName = iTunes.current_track.name()
[211]138
[315]139 if iTunes.player_state() != k.playing:
[211]140 growlNotify('iTunes is not playing.', trackName)
[324]141 if HAVE_XTENSION:
142 if not needsStereoPowerOn and XTensionApp().status('Stereo'):
143 XTensionApp().turnoff('Stereo')
144 needsStereoPowerOn = True
[211]145 return
[324]146 if needsStereoPowerOn:
147 if not XTensionApp().status('Stereo'):
148 XTensionApp().turnon('Stereo')
149 needsStereoPowerOn = False
[211]150 if trackClass == k.URL_track:
[414]151 if amuaPlaying():
152 if playerInfo is None: # Amua displays it itself
153 AmuaApp().display_song_information()
154 return
[486]155 url = iTunes.current_stream_URL()
156 kw = {}
157 if url != k.missing_value and url.endswith('.jpg'):
158 response, content = self.http.request(url)
159 if response['content-type'].startswith('image/'):
160 file(self.imagePath, 'w').write(content)
161 kw['image_from_location'] = self.imagePath
[315]162 growlNotify(cleanStreamTitle(iTunes.current_stream_title()),
[486]163 cleanStreamTrackName(trackName), **kw)
[211]164 return
[315]165 if trackClass == k.property:
[324]166 growlNotify('iTunes is playing.', '')
167 return
[211]168 kw = {}
169 # XXX iTunes doesn't let you get artwork for shared tracks
170 if trackClass != k.shared_track:
[315]171 artwork = iTunes.current_track.artworks()
[211]172 if artwork:
[315]173 kw['pictImage'] = artwork[0].data()
[211]174 growlNotify(trackName + ' ' +
[323]175 u'★' * (iTunes.current_track.rating() / 20),
176 iTunes.current_track.album() + '\n' +
[315]177 iTunes.current_track.artist(),
[211]178 **kw)
179
[188]180 def goToSite(self):
181 iTunes = iTunesApp()
[315]182 if iTunes.player_state() == k.playing:
[414]183 if amuaPlaying():
184 AmuaApp().display_album_details()
185 return
[315]186 url = iTunes.current_stream_URL()
[316]187 if url != k.missing_value:
[252]188 if 'radioparadise.com' in url and 'review' not in url:
[188]189 url = radioParadiseURL()
190 NSWorkspace.sharedWorkspace().openURL_(NSURL.URLWithString_(url))
191 return
192 NSBeep()
[195]193
[188]194 def registerHotKey(self, func, keyCode, mods=0):
195 hotKeyRef = RegisterEventHotKey(keyCode, mods, (0, 0),
196 GetApplicationEventTarget(), 0)
197 self.hotKeys.append(hotKeyRef)
[211]198 self.hotKeyActions[HotKey.HotKeyAddress(hotKeyRef)] = func
[235]199 return hotKeyRef
[188]200
[235]201 def unregisterHotKey(self, hotKeyRef):
202 self.hotKeys.remove(hotKeyRef)
203 del self.hotKeyActions[HotKey.HotKeyAddress(hotKeyRef)]
204 hotKeyRef.UnregisterEventHotKey()
205
[199]206 def incrementRatingBy(self, increment):
207 iTunes = iTunesApp()
[414]208 if amuaPlaying():
[415]209 if increment < 0:
[414]210 AmuaApp().ban_song()
[458]211 growlNotify('Banned song.', '', icon_of_application='Amua.app')
[414]212 else:
213 AmuaApp().love_song()
[458]214 growlNotify('Loved song.', '', icon_of_application='Amua.app')
[414]215 return
[315]216 rating = iTunes.current_track.rating()
[199]217 rating += increment
218 if rating < 0:
219 rating = 0
220 NSBeep()
221 elif rating > 100:
222 rating = 100
223 NSBeep()
224 iTunes.current_track.rating.set(rating)
225
[300]226 def playPause(self, useStereo=True):
[324]227 global needsStereoPowerOn
228
[199]229 iTunes = iTunesApp()
[315]230 was_playing = (iTunes.player_state() == k.playing)
[324]231 if not useStereo:
232 needsStereoPowerOn = False
[414]233 if was_playing and amuaPlaying():
234 AmuaApp().stop()
235 else:
236 iTunes.playpause()
[315]237 if not was_playing and iTunes.player_state() == k.stopped:
[234]238 # most likely, we're focused on the iPod, so playing does nothing
[315]239 iTunes.browser_windows[1].view.set(iTunes.user_playlists[its.name=='Stations'][1]())
[234]240 iTunes.play()
[300]241 if HAVE_XTENSION and useStereo:
[315]242 if iTunes.player_state() == k.playing:
[199]243 XTensionApp().turnon('Stereo')
[324]244 needsStereoPowerOn = False
[199]245 else:
246 XTensionApp().turnoff('Stereo')
[324]247 needsStereoPowerOn = True
[235]248
[301]249 def playPauseFront(self):
250 systemEvents = app(id='com.apple.systemEvents')
[340]251 frontName = systemEvents.processes[its.frontmost == True][1].name()
[301]252 if frontName == 'RealPlayer':
253 realPlayer = app(id='com.RealNetworks.RealPlayer')
[315]254 if len(realPlayer.players()) > 0:
255 if realPlayer.players[1].state() == k.playing:
256 realPlayer.pause()
257 else:
258 realPlayer.play()
259 return
[301]260 elif frontName == 'VLC':
261 app(id='org.videolan.vlc').play() # equivalent to playpause
262 else:
[302]263 self.playPause(useStereo=False)
[301]264
[414]265 def nextTrack(self):
266 if amuaPlaying():
267 AmuaApp().skip_song()
268 return
269 iTunesApp().next_track()
270
[235]271 def registerZoomWindowHotKey(self):
272 self.zoomWindowHotKey = self.registerHotKey(self.zoomWindow, 42, cmdKey | controlKey) # cmd-ctrl-\
273
274 def unregisterZoomWindowHotKey(self):
275 self.unregisterHotKey(self.zoomWindowHotKey)
276 self.zoomWindowHotKey = None
277
[232]278 def zoomWindow(self):
[313]279 # XXX detect if "enable access for assistive devices" needs to be enabled
[232]280 systemEvents = app(id='com.apple.systemEvents')
[340]281 frontName = systemEvents.processes[its.frontmost == True][1].name()
[233]282 if frontName == 'iTunes':
[232]283 systemEvents.processes['iTunes'].menu_bars[1]. \
284 menu_bar_items['Window'].menus.menu_items['Zoom'].click()
285 return
[235]286 elif frontName in ('X11', 'Emacs'): # preserve C-M-\
287 self.unregisterZoomWindowHotKey()
288 systemEvents.key_code(42, using=[k.command_down, k.control_down])
289 self.registerZoomWindowHotKey()
290 return
[340]291 frontPID = systemEvents.processes[its.frontmost == True][1].unix_id()
[232]292 try:
[339]293 zoomed = app(pid=frontPID).windows[1].zoomed
[232]294 zoomed.set(not zoomed())
[235]295 except (CommandError, RuntimeError):
[313]296 systemEvents.processes[frontName].windows \
297 [its.subrole == 'AXStandardWindow'].windows[1]. \
298 buttons[its.subrole == 'AXZoomButton'].buttons[1].click()
[199]299
[188]300 def finishLaunching(self):
301 super(StreamVision, self).finishLaunching()
[486]302
303 caches = NSSearchPathForDirectoriesInDomains(NSCachesDirectory,
304 NSUserDomainMask, True)[0]
305 cache = os.path.join(caches, 'StreamVision')
306 self.http = httplib2.Http(OneFileCache(cache), 5)
307 self.imagePath = os.path.join(cache, 'image')
308
[188]309 self.registerHotKey(self.displayTrackInfo, 100) # F8
310 self.registerHotKey(self.goToSite, 100, cmdKey) # cmd-F8
[199]311 self.registerHotKey(self.playPause, 101) # F9
[188]312 self.registerHotKey(lambda: iTunesApp().previous_track(), 109) # F10
[414]313 self.registerHotKey(self.nextTrack, 103) # F11
[211]314 self.registerHotKey(lambda: self.incrementRatingBy(-20), 109, shiftKey) # shift-F10
315 self.registerHotKey(lambda: self.incrementRatingBy(20), 103, shiftKey) # shift-F11
[235]316 self.registerZoomWindowHotKey()
[193]317 NSDistributedNotificationCenter.defaultCenter().addObserver_selector_name_object_(self, self.displayTrackInfo, 'com.apple.iTunes.playerInfo', None)
[300]318 try:
[302]319 import HIDRemote
[300]320 HIDRemote.connect()
[302]321 except ImportError:
322 print "failed to import HIDRemote (XXX fix - on Intel)"
[300]323 except OSError, e:
324 print "failed to connect to remote: ", e
[188]325
326 def sendEvent_(self, theEvent):
[300]327 eventType = theEvent.type()
328 if eventType == NSSystemDefined and \
[188]329 theEvent.subtype() == kEventHotKeyPressedSubtype:
330 self.hotKeyActions[theEvent.data1()]()
[300]331 elif eventType == NSApplicationDefined:
332 key = theEvent.data1()
333 if key == kHIDUsage_Csmr_ScanNextTrack:
[415]334 self.nextTrack()
[300]335 elif key == kHIDUsage_Csmr_ScanPreviousTrack:
336 iTunesApp().previous_track()
337 elif key == kHIDUsage_Csmr_PlayOrPause:
[301]338 self.playPauseFront()
[188]339 super(StreamVision, self).sendEvent_(theEvent)
340
341if __name__ == "__main__":
[340]342 growlRegister()
[195]343 AppHelper.runEventLoop()
[339]344 try:
345 HIDRemote.disconnect()
346 except:
347 pass
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