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XMLConverter.py
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XMLConverter.py
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#!/usr/bin/env python
"""
Sources:
ElementTree
http://docs.python.org/2/library/xml.etree.elementtree.html#xml.etree.ElementTree.SubElement
trailers.apple.com root URL
http://trailers.apple.com/appletv/us/js/application.js
navigation pane
http://trailers.apple.com/appletv/us/nav.xml
->top trailers: http://trailers.apple.com/appletv/us/index.xml
->calendar: http://trailers.apple.com/appletv/us/calendar.xml
->browse: http://trailers.apple.com/appletv/us/browse.xml
"""
import os
import sys
import traceback
import inspect
import string, random
import copy # deepcopy()
try:
import xml.etree.cElementTree as etree
except ImportError:
import xml.etree.ElementTree as etree
import time, uuid, hmac, hashlib, base64
from urllib import quote_plus, unquote_plus
import urllib2
import urlparse
from Version import __VERSION__ # for {{EVAL()}}, display in settings page
import Settings, ATVSettings
import PlexAPI
from Debug import * # dprint(), prettyXML()
import Localize
import PILBackgrounds
from PILBackgrounds import isPILinstalled
g_param = {}
def setParams(param):
global g_param
g_param = param
g_ATVSettings = None
def setATVSettings(cfg):
global g_ATVSettings
g_ATVSettings = cfg
"""
# aTV XML ErrorMessage - hardcoded XML File
"""
def XML_Error(title, desc):
errorXML = '\
<?xml version="1.0" encoding="UTF-8"?>\n\
<atv>\n\
<body>\n\
<dialog id="com.sample.error-dialog">\n\
<title>' + title + '</title>\n\
<description>' + desc + '</description>\n\
</dialog>\n\
</body>\n\
</atv>\n\
';
return errorXML
def XML_PlayVideo_ChannelsV1(baseURL, path):
XML = '\
<atv>\n\
<body>\n\
<videoPlayer id="com.sample.video-player">\n\
<httpFileVideoAsset id="' + path + '">\n\
<mediaURL>' + baseURL + path + '</mediaURL>\n\
<title>*title*</title>\n\
<!--bookmarkTime>{{EVAL(int({{VAL(Video/viewOffset:0)}}/1000))}}</bookmarkTime-->\n\
<videoPlayerSettings>\n\
<!-- PMS, OSD settings, ... -->\n\
<baseURL>' + baseURL + '</baseURL>\n\
<accessToken></accessToken>\n\
<showClock>False</showClock>\n\
<timeFormat></timeFormat>\n\
<clockPosition></clockPosition>\n\
<overscanAdjust></overscanAdjust>\n\
<showEndtime>False</showEndtime>\n\
<subtitleSize></subtitleSize>\n\
</videoPlayerSettings>\n\
<myMetadata>\n\
<key></key>\n\
<ratingKey></ratingKey>\n\
<duration></duration>\n\
<subtitleURL></subtitleURL>\n\
</myMetadata>\n\
</httpFileVideoAsset>\n\
</videoPlayer>\n\
</body>\n\
</atv>\n\
';
dprint(__name__,2 , XML)
return XML
"""
global list of known aTVs - to look up UDID by IP if needed
parameters:
udid - from options['PlexConnectUDID']
ip - from client_address btw options['aTVAddress']
"""
g_ATVList = {}
def declareATV(udid, ip):
global g_ATVList
if udid in g_ATVList:
g_ATVList[udid]['ip'] = ip
else:
g_ATVList[udid] = {'ip': ip}
def getATVFromIP(ip):
# find aTV by IP, return UDID
for udid in g_ATVList:
if ip==g_ATVList[udid].get('ip', None):
return udid
return None # IP not found
"""
# XML converter functions
# - translate aTV request and send to PMS
# - receive reply from PMS
# - select XML template
# - translate to aTV XML
"""
def XML_PMS2aTV(PMS_address, path, options):
# double check aTV UDID, redo from client IP if needed/possible
if not 'PlexConnectUDID' in options:
UDID = getATVFromIP(options['aTVAddress'])
if UDID:
options['PlexConnectUDID'] = UDID
else:
# aTV unidentified, UDID not known
return XML_Error('PlexConnect','Unexpected error - unidentified ATV')
else:
declareATV(options['PlexConnectUDID'], options['aTVAddress']) # update with latest info
UDID = options['PlexConnectUDID']
# determine PMS_uuid, PMSBaseURL from IP (PMS_mark)
PMS_uuid = PlexAPI.getPMSFromAddress(UDID, PMS_address)
PMS_baseURL = PlexAPI.getPMSProperty(UDID, PMS_uuid, 'baseURL')
# check cmd to work on
cmd = ''
channelsearchURL = ''
if 'PlexConnect' in options:
cmd = options['PlexConnect']
if 'PlexConnectChannelsSearch' in options:
channelsearchURL = options['PlexConnectChannelsSearch'].replace('+amp+', '&')
dprint(__name__, 1, "PlexConnect Cmd: " + cmd)
dprint(__name__, 1, "PlexConnectChannelsSearch: " + channelsearchURL)
# check aTV language setting
if not 'aTVLanguage' in options:
dprint(__name__, 1, "no aTVLanguage - pick en")
options['aTVLanguage'] = 'en'
# XML Template selector
# - PlexConnect command
# - path
# - PMS ViewGroup
XMLtemplate = ''
PMS = None
PMSroot = None
# XML direct request or
# XMLtemplate defined by solely PlexConnect Cmd
if path.endswith(".xml"):
XMLtemplate = path.lstrip('/')
path = '' # clear path - we don't need PMS-XML
elif cmd=='ChannelsSearch':
XMLtemplate = 'ChannelsSearch.xml'
path = ''
elif cmd.startswith('Play:'):
opt = cmd[len('Play:'):] # cut command:
parts = opt.split(':',1)
if len(parts)==2:
options['PlexConnectPlayType'] = parts[0] # Single, Continuous # decoded in PlayVideo.xml, COPY_PLAYLIST
options['PlexConnectRatingKey'] = parts[1] # ratingKey # decoded in PlayVideo.xml
else:
return XML_Error('PlexConnect','Unexpected "Play" command syntax')
XMLtemplate = 'PlayVideo.xml'
elif cmd.startswith('PlayAudio'): # PlayAudio: or PlayAudio_plist:
parts = cmd.split(':',3)
if len(parts)==4:
XMLtemplate = parts[0] + '.xml'
options['PlexConnectPlayType'] = parts[1] # Single, Continuous # decoded in PlayAudio.xml
options['PlexConnectRatingKey'] = parts[2] # ratingKey
options['PlexConnectCopyIx'] = parts[3] # copy_ix
else:
return XML_Error('PlexConnect','Unexpected "PlayAudio" command syntax')
elif cmd=='PlayVideo_ChannelsV1':
dprint(__name__, 1, "playing Channels XML Version 1: {0}".format(path))
auth_token = PlexAPI.getPMSProperty(UDID, PMS_uuid, 'accesstoken')
path = PlexAPI.getDirectVideoPath(path, auth_token)
return XML_PlayVideo_ChannelsV1(PMS_baseURL, path) # direct link, no PMS XML available
elif cmd=='PlayTrailer':
trailerID = options['PlexConnectTrailerID']
info = urllib2.urlopen("http://youtube.com/get_video_info?video_id=" + trailerID).read()
parsed = urlparse.parse_qs(info)
key = 'url_encoded_fmt_stream_map'
if not key in parsed:
return XML_Error('PlexConnect', 'Youtube: No Trailer Info available')
streams = parsed[key][0].split(',')
url = ''
for i in range(len(streams)):
stream = urlparse.parse_qs(streams[i])
if stream['itag'][0] == '18':
url = stream['url'][0]
if url == '':
return XML_Error('PlexConnect','Youtube: ATV compatible Trailer not available')
return XML_PlayVideo_ChannelsV1('', url.replace('&','&'))
elif cmd=='Plex_Video_Files_Scanner':
XMLtemplate = 'HomeVideoSectionTopLevel.xml'
elif cmd=='Plex_Movie_Scanner':
XMLtemplate = 'MovieSectionTopLevel.xml'
elif cmd=='Plex_Series_Scanner':
XMLtemplate = 'TVSectionTopLevel.xml'
elif cmd=='Plex_Photo_Scanner':
XMLtemplate = 'PhotoSectionTopLevel.xml'
elif cmd=='Plex_Music_Scanner':
XMLtemplate = 'MusicSectionTopLevel.xml'
elif cmd=='ScrobbleMenu':
XMLtemplate = 'ScrobbleMenu.xml'
elif cmd=='ScrobbleMenuVideo':
XMLtemplate = 'ScrobbleMenuVideo.xml'
elif cmd=='ScrobbleMenuTVOnDeck':
XMLtemplate = 'ScrobbleMenuTVOnDeck.xml'
elif cmd=='ChangeShowArtwork':
XMLtemplate = 'ChangeShowArtwork.xml'
elif cmd=='ChangeSingleArtwork':
XMLtemplate = 'ChangeSingleArtwork.xml'
elif cmd=='ChangeSingleArtworkVideo':
XMLtemplate = 'ChangeSingleArtworkVideo.xml'
elif cmd=='ChangeFanart':
XMLtemplate = 'ChangeFanArt.xml'
elif cmd=='ChangeFanartVideo':
XMLtemplate = 'ChangeFanArtVideo.xml'
elif cmd=='PhotoBrowser':
XMLtemplate = 'Photo_Browser.xml'
elif cmd=='MoviePreview':
XMLtemplate = 'MoviePreview.xml'
elif cmd=='HomeVideoPrePlay':
XMLtemplate = 'HomeVideoPrePlay.xml'
elif cmd=='MoviePrePlay':
dprint(__name__, 1, "IS PIL installed? "+ str(isPILinstalled()))
XMLtemplate = "MoviePrePlay.xml"
if g_ATVSettings.getSetting(options['PlexConnectUDID'], 'moviefanart') == 'Show' and isPILinstalled():
XMLtemplate = 'MoviePrePlay_Fanart.xml'
elif cmd=='EpisodePrePlay':
dprint(__name__, 1, "IS PIL installed? "+ str(isPILinstalled()))
XMLtemplate = 'EpisodePrePlay.xml'
if g_ATVSettings.getSetting(options['PlexConnectUDID'], 'tvshowfanart') == 'Show' and isPILinstalled():
XMLtemplate = 'EpisodePrePlay_Fanart.xml'
elif cmd=='ChannelPrePlay':
XMLtemplate = 'ChannelPrePlay.xml'
elif cmd=='ChannelsVideo':
XMLtemplate = 'ChannelsVideo.xml'
elif cmd=='ByFolder':
XMLtemplate = 'ByFolder.xml'
elif cmd=='HomeVideoByFolder':
XMLtemplate = 'HomeVideoByFolder.xml'
elif cmd == 'HomeVideoDirectory':
XMLtemplate = 'HomeVideoDirectory.xml'
elif cmd=='MovieByFolder':
XMLtemplate = 'MovieByFolder.xml'
elif cmd == 'MovieDirectory':
XMLtemplate = 'MovieDirectory.xml'
elif cmd == 'MovieSection':
XMLtemplate = 'MovieSection.xml'
elif cmd == 'HomeVideoSection':
XMLtemplate = 'HomeVideoSection.xml'
elif cmd == 'TVSection':
XMLtemplate = 'TVSection.xml'
elif cmd.find('SectionPreview') != -1:
XMLtemplate = cmd + '.xml'
elif cmd == 'AllMovies':
XMLtemplate = 'Movie_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'movieview').replace(' ','')+'.xml'
elif cmd == 'AllHomeVideos':
XMLtemplate = 'HomeVideo_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'homevideoview').replace(' ','')+'.xml'
elif cmd == 'MovieSecondary':
XMLtemplate = 'MovieSecondary.xml'
elif cmd == 'AllShows':
XMLtemplate = 'Show_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'showview').replace(' ','')+'.xml'
elif cmd == 'TVSecondary':
XMLtemplate = 'TVSecondary.xml'
elif cmd == 'PhotoSecondary':
XMLtemplate = 'PhotoSecondary.xml'
elif cmd == 'MusicSecondary':
XMLtemplate = 'MusicSecondary.xml'
elif cmd == 'Directory':
XMLtemplate = 'Directory.xml'
elif cmd == 'DirectoryWithPreview':
XMLtemplate = 'DirectoryWithPreview.xml'
elif cmd == 'DirectoryWithPreviewActors':
XMLtemplate = 'DirectoryWithPreviewActors.xml'
elif cmd=='Playlists':
XMLtemplate = 'Playlists.xml'
elif cmd=='Playlist_Video':
XMLtemplate = 'Playlist_Video.xml'
elif cmd=='Playlist_Audio':
XMLtemplate = 'Playlist_Audio.xml'
elif cmd=='Settings':
XMLtemplate = 'Settings.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='SettingsVideoOSD':
XMLtemplate = 'Settings_VideoOSD.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='SettingsMovies':
XMLtemplate = 'Settings_Movies.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='SettingsTVShows':
XMLtemplate = 'Settings_TVShows.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='SettingsHomeVideos':
XMLtemplate = 'Settings_HomeVideos.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='SettingsMusic':
XMLtemplate = 'Settings_Music.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='SettingsTopLevel':
XMLtemplate = 'Settings_TopLevel.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='SaveSettings':
g_ATVSettings.saveSettings();
return XML_Error('PlexConnect', 'SaveSettings!') # not an error - but aTV won't care anyways.
elif cmd.startswith('SettingsToggle:'):
opt = cmd[len('SettingsToggle:'):] # cut command:
parts = opt.split('+')
g_ATVSettings.toggleSetting(options['PlexConnectUDID'], parts[0].lower())
XMLtemplate = parts[1] + ".xml"
dprint(__name__, 2, "ATVSettings->Toggle: {0} in template: {1}", parts[0], parts[1])
path = '' # clear path - we don't need PMS-XML
elif cmd==('MyPlexLogin'):
dprint(__name__, 2, "MyPlex->Logging In...")
if not 'PlexConnectCredentials' in options:
return XML_Error('PlexConnect', 'MyPlex Sign In called without Credentials.')
parts = options['PlexConnectCredentials'].split(':',1)
(username, auth_token) = PlexAPI.MyPlexSignIn(parts[0], parts[1], options)
g_ATVSettings.setSetting(UDID, 'myplex_user', username)
g_ATVSettings.setSetting(UDID, 'myplex_auth', auth_token)
XMLtemplate = 'Settings.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd=='MyPlexLogout':
dprint(__name__, 2, "MyPlex->Logging Out...")
auth_token = g_ATVSettings.getSetting(UDID, 'myplex_auth')
PlexAPI.MyPlexSignOut(auth_token)
g_ATVSettings.setSetting(UDID, 'myplex_user', '')
g_ATVSettings.setSetting(UDID, 'myplex_auth', '')
XMLtemplate = 'Settings.xml'
path = '' # clear path - we don't need PMS-XML
elif cmd.startswith('Discover'):
auth_token = g_ATVSettings.getSetting(UDID, 'myplex_auth')
PlexAPI.discoverPMS(UDID, g_param['CSettings'], auth_token)
return XML_Error('PlexConnect', 'Discover!') # not an error - but aTV won't care anyways.
elif path.startswith('/search?'):
XMLtemplate = 'Search_Results.xml'
elif path.find('serviceSearch') != -1 or (path.find('video') != -1 and path.lower().find('search') != -1):
XMLtemplate = 'ChannelsVideoSearchResults.xml'
elif path.find('SearchResults') != -1:
XMLtemplate = 'ChannelsVideoSearchResults.xml'
elif path=='/library/sections': # from PlexConnect.xml -> for //local, //myplex
XMLtemplate = 'Library.xml'
elif path=='/channels/all':
XMLtemplate = 'Channel_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'channelview')+'.xml'
path = ''
# request PMS XML
if not path=='':
if PMS_address[0].isalpha(): # owned, shared
type = PMS_address
PMS = PlexAPI.getXMLFromMultiplePMS(UDID, path, type, options)
else: # IP
auth_token = PlexAPI.getPMSProperty(UDID, PMS_uuid, 'accesstoken')
PMS = PlexAPI.getXMLFromPMS(PMS_baseURL, path, options, authtoken=auth_token)
if PMS==False:
return XML_Error('PlexConnect', 'No Response from Plex Media Server')
PMSroot = PMS.getroot()
dprint(__name__, 1, "viewGroup: "+PMSroot.get('viewGroup','None'))
# XMLtemplate defined by PMS XML content
if path=='':
pass # nothing to load
elif not XMLtemplate=='':
pass # template already selected
elif PMSroot.get('viewGroup','')=='show':
if PMSroot.get('title2')=='By Folder':
# By Folder View
XMLtemplate = 'ByFolder.xml'
else:
# TV Show grid view
XMLtemplate = 'Show_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'showview')+'.xml'
elif PMSroot.get('viewGroup','')=='season':
# TV Season view
XMLtemplate = 'Season_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'seasonview')
dprint(__name__, 1, "IS PIL installed? "+ str(isPILinstalled()))
if g_ATVSettings.getSetting(options['PlexConnectUDID'], 'tvshowfanart') == 'Show' and isPILinstalled():
XMLtemplate = XMLtemplate + "_Fanart"
XMLtemplate = XMLtemplate + ".xml"
elif PMSroot.get('viewGroup','')=='movie' and PMSroot.get('thumb','').find('video') != -1:
if PMSroot.get('title2')=='By Folder':
# By Folder View
XMLtemplate = 'HomeVideoByFolder.xml'
else:
# Home Video listing
XMLtemplate = 'HomeVideo_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'homevideoview').replace(' ','')+'.xml'
elif PMSroot.get('viewGroup','')=='movie' and PMSroot.get('thumb','').find('movie') != -1:
if PMSroot.get('title2')=='By Folder':
# By Folder View
XMLtemplate = 'MovieByFolder.xml'
else:
# Movie listing
XMLtemplate = 'Movie_'+g_ATVSettings.getSetting(options['PlexConnectUDID'], 'movieview').replace(' ','')+'.xml'
elif PMSroot.get('viewGroup','')=='episode':
if PMSroot.get('title2')=='On Deck' or \
PMSroot.get('title2')=='Recently Viewed Episodes' or \
PMSroot.get('title2')=='Recently Aired' or \
PMSroot.get('title2')=='Recently Added':
# TV On Deck View
XMLtemplate = 'TV_OnDeck.xml'
else:
# TV Episode view
XMLtemplate = 'Episode.xml'
dprint(__name__, 1, "IS PIL installed? "+ str(isPILinstalled()))
if g_ATVSettings.getSetting(options['PlexConnectUDID'], 'tvshowfanart') == 'Show' and isPILinstalled():
XMLtemplate = 'Episode_Fanart.xml'
elif PMSroot.get('viewGroup','')=='photo' or \
path.startswith('/photos') or \
PMSroot.find('Photo')!=None:
if PMSroot.find('Directory')==None:
# Photos only - directly show
XMLtemplate = 'Photo_Browser.xml'
else:
# Photo listing / directory
XMLtemplate = 'Photo_Directories.xml'
elif PMSroot.get('viewGroup','')=='track':
XMLtemplate = "Music_Track.xml"
else:
XMLtemplate = 'Directory.xml'
dprint(__name__, 1, "XMLTemplate: "+XMLtemplate)
# get XMLtemplate
aTVTree = etree.parse(sys.path[0]+'/assets/templates/'+XMLtemplate)
aTVroot = aTVTree.getroot()
# convert PMS XML to aTV XML using provided XMLtemplate
CommandCollection = CCommandCollection(options, PMSroot, PMS_address, path)
XML_ExpandTree(CommandCollection, aTVroot, PMSroot, 'main')
XML_ExpandAllAttrib(CommandCollection, aTVroot, PMSroot, 'main')
del CommandCollection
if cmd=='ChannelsSearch':
for bURL in aTVroot.iter('baseURL'):
if channelsearchURL.find('?') == -1:
bURL.text = channelsearchURL + '?query='
else:
bURL.text = channelsearchURL + '&query='
dprint(__name__, 1, "====== generated aTV-XML ======")
dprint(__name__, 1, aTVroot)
dprint(__name__, 1, "====== aTV-XML finished ======")
return etree.tostring(aTVroot)
def XML_ExpandTree(CommandCollection, elem, src, srcXML):
# unpack template 'COPY'/'CUT' command in children
res = False
while True:
if list(elem)==[]: # no sub-elements, stop recursion
break
for child in elem:
res = XML_ExpandNode(CommandCollection, elem, child, src, srcXML, 'TEXT')
if res==True: # tree modified: restart from 1st elem
break # "for child"
# recurse into children
XML_ExpandTree(CommandCollection, child, src, srcXML)
res = XML_ExpandNode(CommandCollection, elem, child, src, srcXML, 'TAIL')
if res==True: # tree modified: restart from 1st elem
break # "for child"
if res==False: # complete tree parsed with no change, stop recursion
break # "while True"
def XML_ExpandNode(CommandCollection, elem, child, src, srcXML, text_tail):
if text_tail=='TEXT': # read line from text or tail
line = child.text
elif text_tail=='TAIL':
line = child.tail
else:
dprint(__name__, 0, "XML_ExpandNode - text_tail badly specified: {0}", text_tail)
return False
pos = 0
while line!=None:
cmd_start = line.find('{{',pos)
cmd_end = line.find('}}',pos)
next_start = line.find('{{',cmd_start+2)
while next_start!=-1 and next_start<cmd_end:
cmd_end = line.find('}}',cmd_end+2)
next_start = line.find('{{',next_start+2)
if cmd_start==-1 or cmd_end==-1 or cmd_start>cmd_end:
return False # tree not touched, line unchanged
dprint(__name__, 2, "XML_ExpandNode: {0}", line)
cmd = line[cmd_start+2:cmd_end]
if cmd[-1]!=')':
dprint(__name__, 0, "XML_ExpandNode - closing bracket missing: {0} ", line)
parts = cmd.split('(',1)
cmd = parts[0]
param = parts[1].strip(')') # remove ending bracket
res = False
if hasattr(CCommandCollection, 'TREE_'+cmd): # expand tree, work COPY, CUT
line = line[:cmd_start] + line[cmd_end+2:] # remove cmd from text and tail
if text_tail=='TEXT':
child.text = line
elif text_tail=='TAIL':
child.tail = line
try:
param = XML_ExpandLine(CommandCollection, src, srcXML, param) # expand any attributes in the parameter
res = getattr(CommandCollection, 'TREE_'+cmd)(elem, child, src, srcXML, param)
except:
dprint(__name__, 0, "XML_ExpandNode - Error in cmd {0}, line {1}\n{2}", cmd, line, traceback.format_exc())
if res==True:
return True # tree modified, node added/removed: restart from 1st elem
elif hasattr(CCommandCollection, 'ATTRIB_'+cmd): # check other known cmds: VAL, EVAL...
dprint(__name__, 2, "XML_ExpandNode - Stumbled over {0} in line {1}", cmd, line)
pos = cmd_end
else:
dprint(__name__, 0, "XML_ExpandNode - Found unknown cmd {0} in line {1}", cmd, line)
line = line[:cmd_start] + "((UNKNOWN:"+cmd+"))" + line[cmd_end+2:] # mark unknown cmd in text or tail
if text_tail=='TEXT':
child.text = line
elif text_tail=='TAIL':
child.tail = line
dprint(__name__, 2, "XML_ExpandNode: {0} - done", line)
return False
def XML_ExpandAllAttrib(CommandCollection, elem, src, srcXML):
# unpack template commands in elem.text
line = elem.text
if line!=None:
elem.text = XML_ExpandLine(CommandCollection, src, srcXML, line.strip())
# unpack template commands in elem.tail
line = elem.tail
if line!=None:
elem.tail = XML_ExpandLine(CommandCollection, src, srcXML, line.strip())
# unpack template commands in elem.attrib.value
for attrib in elem.attrib:
line = elem.get(attrib)
elem.set(attrib, XML_ExpandLine(CommandCollection, src, srcXML, line.strip()))
# recurse into children
for el in elem:
XML_ExpandAllAttrib(CommandCollection, el, src, srcXML)
def XML_ExpandLine(CommandCollection, src, srcXML, line):
pos = 0
while True:
cmd_start = line.find('{{',pos)
cmd_end = line.find('}}',pos)
next_start = line.find('{{',cmd_start+2)
while next_start!=-1 and next_start<cmd_end:
cmd_end = line.find('}}',cmd_end+2)
next_start = line.find('{{',next_start+2)
if cmd_start==-1 or cmd_end==-1 or cmd_start>cmd_end:
break;
dprint(__name__, 2, "XML_ExpandLine: {0}", line)
cmd = line[cmd_start+2:cmd_end]
if cmd[-1]!=')':
dprint(__name__, 0, "XML_ExpandLine - closing bracket missing: {0} ", line)
parts = cmd.split('(',1)
cmd = parts[0]
param = parts[1][:-1] # remove ending bracket
if hasattr(CCommandCollection, 'ATTRIB_'+cmd): # expand line, work VAL, EVAL...
try:
param = XML_ExpandLine(CommandCollection, src, srcXML, param) # expand any attributes in the parameter
res = getattr(CommandCollection, 'ATTRIB_'+cmd)(src, srcXML, param)
line = line[:cmd_start] + res + line[cmd_end+2:]
pos = cmd_start+len(res)
except:
dprint(__name__, 0, "XML_ExpandLine - Error in {0}\n{1}", line, traceback.format_exc())
line = line[:cmd_start] + "((ERROR:"+cmd+"))" + line[cmd_end+2:]
elif hasattr(CCommandCollection, 'TREE_'+cmd): # check other known cmds: COPY, CUT
dprint(__name__, 2, "XML_ExpandLine - stumbled over {0} in line {1}", cmd, line)
pos = cmd_end
else:
dprint(__name__, 0, "XML_ExpandLine - Found unknown cmd {0} in line {1}", cmd, line)
line = line[:cmd_start] + "((UNKNOWN:"+cmd+"))" + line[cmd_end+2:]
dprint(__name__, 2, "XML_ExpandLine: {0} - done", line)
return line
"""
# Command expander classes
# CCommandHelper():
# base class to the following, provides basic parsing & evaluation functions
# CCommandCollection():
# cmds to set up sources (ADDXML, VAR)
# cmds with effect on the tree structure (COPY, CUT) - must be expanded first
# cmds dealing with single node keys, text, tail only (VAL, EVAL, ADDR_PMS ,...)
"""
class CCommandHelper():
def __init__(self, options, PMSroot, PMS_address, path):
self.options = options
self.PMSroot = {'main': PMSroot}
self.PMS_address = PMS_address # default PMS if nothing else specified
self.path = {'main': path}
self.ATV_udid = options['PlexConnectUDID']
self.PMS_uuid = PlexAPI.getPMSFromAddress(self.ATV_udid, PMS_address)
self.PMS_baseURL = PlexAPI.getPMSProperty(self.ATV_udid, self.PMS_uuid, 'baseURL')
self.variables = {}
# internal helper functions
def getParam(self, src, param):
parts = param.split(':',1)
param = parts[0]
leftover=''
if len(parts)>1:
leftover = parts[1]
param = param.replace('&col;',':') # colon # replace XML_template special chars
param = param.replace('&ocb;','{') # opening curly brace
param = param.replace('&ccb;','}') # closinging curly brace
param = param.replace('"','"') # replace XML special chars
param = param.replace(''',"'")
param = param.replace('<','<')
param = param.replace('>','>')
param = param.replace('&','&') # must be last
dprint(__name__, 2, "CCmds_getParam: {0}, {1}", param, leftover)
return [param, leftover]
def getKey(self, src, srcXML, param):
attrib, leftover = self.getParam(src, param)
default, leftover = self.getParam(src, leftover)
el, srcXML, attrib = self.getBase(src, srcXML, attrib)
# walk the path if neccessary
while '/' in attrib and el!=None:
parts = attrib.split('/',1)
if parts[0].startswith('#') and attrib[1:] in self.variables: # internal variable in path
el = el.find(self.variables[parts[0][1:]])
elif parts[0].startswith('$'): # setting
el = el.find(g_ATVSettings.getSetting(self.ATV_udid, parts[0][1:]))
elif parts[0].startswith('%'): # PMS property
el = el.find(PlexAPI.getPMSProperty(self.ATV_udid, self.PMS_uuid, parts[0][1:]))
else:
el = el.find(parts[0])
attrib = parts[1]
# check element and get attribute
if attrib.startswith('#') and attrib[1:] in self.variables: # internal variable
res = self.variables[attrib[1:]]
dfltd = False
elif attrib.startswith('$'): # setting
res = g_ATVSettings.getSetting(self.ATV_udid, attrib[1:])
dfltd = False
elif attrib.startswith('%'): # PMS property
res = PlexAPI.getPMSProperty(self.ATV_udid, self.PMS_uuid, attrib[1:])
dfltd = False
elif attrib.startswith('^') and attrib[1:] in self.options: # aTV property, http request options
res = self.options[attrib[1:]]
dfltd = False
elif el!=None and attrib in el.attrib:
res = el.get(attrib)
dfltd = False
else: # path/attribute not found
res = default
dfltd = True
dprint(__name__, 2, "CCmds_getKey: {0},{1},{2}", res, leftover,dfltd)
return [res,leftover,dfltd]
def getElement(self, src, srcXML, param):
tag, leftover = self.getParam(src, param)
el, srcXML, tag = self.getBase(src, srcXML, tag)
# walk the path if neccessary
while len(tag)>0:
parts = tag.split('/',1)
el = el.find(parts[0])
if not '/' in tag or el==None:
break
tag = parts[1]
return [el, leftover]
def getBase(self, src, srcXML, param):
# get base element
if param.startswith('@'): # redirect to additional XML
parts = param.split('/',1)
srcXML = parts[0][1:]
src = self.PMSroot[srcXML]
leftover=''
if len(parts)>1:
leftover = parts[1]
elif param.startswith('/'): # start at root
src = self.PMSroot['main']
leftover = param[1:]
else:
leftover = param
return [src, srcXML, leftover]
def getConversion(self, src, param):
conv, leftover = self.getParam(src, param)
# build conversion "dictionary"
convlist = []
if conv!='':
parts = conv.split('|')
for part in parts:
convstr = part.split('=')
convlist.append((unquote_plus(convstr[0]), unquote_plus(convstr[1])))
dprint(__name__, 2, "CCmds_getConversion: {0},{1}", convlist, leftover)
return [convlist, leftover]
def applyConversion(self, val, convlist):
# apply string conversion
if convlist!=[]:
for part in reversed(sorted(convlist)):
if val>=part[0]:
val = part[1]
break
dprint(__name__, 2, "CCmds_applyConversion: {0}", val)
return val
def applyMath(self, val, math, frmt):
# apply math function - eval
try:
x = eval(val)
if math!='':
x = eval(math)
val = ('{0'+frmt+'}').format(x)
except:
dprint(__name__, 0, "CCmds_applyMath: Error in math {0}, frmt {1}\n{2}", math, frmt, traceback.format_exc())
# apply format specifier
dprint(__name__, 2, "CCmds_applyMath: {0}", val)
return val
def _(self, msgid):
return Localize.getTranslation(self.options['aTVLanguage']).ugettext(msgid)
class CCommandCollection(CCommandHelper):
# XML TREE modifier commands
# add new commands to this list!
def TREE_COPY(self, elem, child, src, srcXML, param):
tag, param_enbl = self.getParam(src, param)
src, srcXML, tag = self.getBase(src, srcXML, tag)
# walk the src path if neccessary
while '/' in tag and src!=None:
parts = tag.split('/',1)
src = src.find(parts[0])
tag = parts[1]
# find index of child in elem - to keep consistent order
for ix, el in enumerate(list(elem)):
if el==child:
break
# duplicate child and add to tree
cnt = 0
for elemSRC in src.findall(tag):
key = 'COPY'
if param_enbl!='':
key, leftover, dfltd = self.getKey(elemSRC, srcXML, param_enbl)
conv, leftover = self.getConversion(elemSRC, leftover)
if not dfltd:
key = self.applyConversion(key, conv)
if key:
self.PMSroot['copy_'+tag] = elemSRC
self.variables['copy_ix'] = str(cnt)
cnt = cnt+1
el = copy.deepcopy(child)
XML_ExpandTree(self, el, elemSRC, srcXML)
XML_ExpandAllAttrib(self, el, elemSRC, srcXML)
if el.tag=='__COPY__':
for el_child in list(el):
elem.insert(ix, el_child)
ix += 1
else:
elem.insert(ix, el)
ix += 1
# remove template child
elem.remove(child)
return True # tree modified, nodes updated: restart from 1st elem
#syntax: Video, playType (Single|Continuous), key to match (^PlexConnectRatingKey), ratingKey
def TREE_COPY_PLAYLIST(self, elem, child, src, srcXML, param):
tag, leftover = self.getParam(src, param)
playType, leftover, dfltd = self.getKey(src, srcXML, leftover) # Single (default), Continuous
key, leftover, dfltd = self.getKey(src, srcXML, leftover)
param_key = leftover
src, srcXML, tag = self.getBase(src, srcXML, tag)
# walk the src path if neccessary
while '/' in tag and src!=None:
parts = tag.split('/',1)
src = src.find(parts[0])
tag = parts[1]
# find index of child in elem - to keep consistent order
for ix, el in enumerate(list(elem)):
if el==child:
break
# filter elements to copy
cnt = 0
copy_enbl = False
elemsSRC = []
for elemSRC in src.findall(tag):
child_key, leftover, dfltd = self.getKey(elemSRC, srcXML, param_key)
if not key:
copy_enbl = True # copy all
elif playType == 'Continuous' or playType== 'Shuffle':
copy_enbl = copy_enbl or (key==child_key) # [0 0 1 1 1 1]
else: # 'Single' (default)
copy_enbl = (key==child_key) # [0 0 1 0 0 0]
if copy_enbl:
elemsSRC.append(elemSRC)
# shuffle elements
if playType == 'Shuffle':
if not key:
random.shuffle(elemsSRC) # shuffle all
else:
elems = elemsSRC[1:] # keep first element fix
random.shuffle(elems)
elemsSRC = [elemsSRC[0]] + elems
# duplicate child and add to tree
cnt = 0
for elemSRC in elemsSRC:
self.PMSroot['copy_'+tag] = elemSRC
self.variables['copy_ix'] = str(cnt)
cnt = cnt+1
el = copy.deepcopy(child)
XML_ExpandTree(self, el, elemSRC, srcXML)
XML_ExpandAllAttrib(self, el, elemSRC, srcXML)
if el.tag=='__COPY__':
for el_child in list(el):
elem.insert(ix, el_child)
ix += 1
else:
elem.insert(ix, el)