playlists: Fix crash on urilist comment with non-ASCII chars

Fixes #1265

docs/changelog.rst

@@ -16,6 +16,10 @@ Bug fix release.
   to remove "file" from the :confval:`stream/protocols` config, and then
   proceed startup. (Fixes: :issue:`1248`, PR: :issue:`1254`)
 
+- Stream: Fix bug in new playlist parser. A non-ASCII char in an urilist
+  comment would cause a crash while parsing due to comparision of a non-ASCII
+  bytestring with a Unicode string. (Fixes: :issue:`1265`)
+
 - File: Adjust log levels when failing to expand ``$XDG_MUSIC_DIR`` into a real
   path. This usually happens when running Mopidy as a system service, and thus
   with a limited set of environment variables. (Fixes: :issue:`1249`, PR:

mopidy/internal/playlists.py

@@ -122,7 +122,7 @@ def parse_asx(data):
 def parse_urilist(data):
     result = []
     for line in data.splitlines():
-        if not line.strip() or line.startswith('#'):
+        if not line.strip() or line.startswith(b'#'):
             continue
         try:
             validation.check_uri(line)

tests/internal/test_playlists.py

@@ -23,7 +23,7 @@ file:///tmp/baz
 
 URILIST = b"""
 file:///tmp/foo
-# a comment
+# a comment \xc5\xa7\xc5\x95
 file:///tmp/bar
 
 file:///tmp/baz