local: Create all needed dirs/files on startup

mopidy/backends/local/actor.py

@@ -5,6 +5,7 @@ import logging
 import pykka
 
 from mopidy.backends import base
+from mopidy.utils import encoding, path
 
 from .library import LocalLibraryProvider
 from .playlists import LocalPlaylistsProvider
@@ -18,8 +19,32 @@ class LocalBackend(pykka.ThreadingActor, base.Backend):
 
         self.config = config
 
+        self.create_dirs_and_files()
+
         self.library = LocalLibraryProvider(backend=self)
         self.playback = base.BasePlaybackProvider(audio=audio, backend=self)
         self.playlists = LocalPlaylistsProvider(backend=self)
 
         self.uri_schemes = ['file']
+
+    def create_dirs_and_files(self):
+        try:
+            path.get_or_create_dir(self.config['local']['media_dir'])
+        except EnvironmentError as error:
+            logger.warning(
+                'Could not create local media dir: %s',
+                encoding.locale_decode(error))
+
+        try:
+            path.get_or_create_dir(self.config['local']['playlists_dir'])
+        except EnvironmentError as error:
+            logger.warning(
+                'Could not create local playlists dir: %s',
+                encoding.locale_decode(error))
+
+        try:
+            path.get_or_create_file(self.config['local']['tag_cache_file'])
+        except EnvironmentError as error:
+            logger.warning(
+                'Could not create empty tag cache file: %s',
+                encoding.locale_decode(error))

mopidy/backends/local/library.py

@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 import logging
 from mopidy.backends import base
 from mopidy.models import Album, SearchResult
-from mopidy.utils import encoding, path
 
 from .translator import parse_mpd_tag_cache
 
@@ -19,13 +18,9 @@ class LocalLibraryProvider(base.BaseLibraryProvider):
         self.refresh()
 
     def refresh(self, uri=None):
-        try:
-            path.get_or_create_file(self._tag_cache_file)
-        except EnvironmentError as error:
-            logger.warning(
-                'Could not create empty tag cache: %s',
-                encoding.locale_decode(error))
-            return
+        logger.debug(
+            'Loading local tracks from %s using %s',
+            self._media_dir, self._tag_cache_file)
 
         tracks = parse_mpd_tag_cache(self._tag_cache_file, self._media_dir)