Add dynamic package support

And a few other fixes

resources/lib/helper/__init__.py

@@ -4,6 +4,7 @@ from exceptions import LibraryException
 from utils import addon_id
 from utils import window
 from utils import settings
+from utils import kodi_version
 from utils import dialog
 from utils import find
 from utils import event

resources/lib/helper/playutils.py

@@ -408,7 +408,7 @@ class PlayUtils(object):
             Since Emby returns all possible tracks together, sort them.
             IsTextSubtitleStream if true, is available to download from server.
         '''
-        if not source['MediaStreams']:
+        if not settings('enableExternalSubs.bool') or not source['MediaStreams']:
             return
 
         subs = []

resources/lib/helper/utils.py

@@ -226,12 +226,13 @@ def write_xml(content, file):
         content = content.replace('?>', ' standalone="yes" ?>', 1)
         infile.write(content)
 
-def delete_build():
+def delete_folder(path=None):
 
     ''' Delete objects from kodi cache
     '''
-    LOG.debug("--[ delete objects ]")
-    path = xbmc.translatePath('special://temp/emby/').decode('utf-8')
+    LOG.debug("--[ delete folder ]")
+
+    path = path or xbmc.translatePath('special://temp/emby').decode('utf-8')
     dirs, files = xbmcvfs.listdir(path)
 
     delete_recursive(path, dirs)
@@ -239,6 +240,9 @@ def delete_build():
     for file in files:
         xbmcvfs.delete(os.path.join(path, file.decode('utf-8')))
 
+    xbmcvfs.delete(path)
+    LOG.info("deleted %s", path)
+
 def delete_recursive(path, dirs):
 
     ''' Delete files and dirs recursively.