Fallback to default path config

.gitignore

@@ -6,3 +6,4 @@ build/
 coverage/
 *.pyc
 .tox/
+.vimrc

.travis.yml

@@ -8,8 +8,10 @@ env:
   # - TOX_ENV=beets-release
 
 install:
-  - "pip install coveralls tox"
+  - "pip install tox"
+  - "[ ! -z $COVERAGE ] && pip install coveralls || true"
 
 script: "tox -e $TOX_ENV"
 
-after_success: "[ ! -z $COVERAGE ] && coveralls || true"
+after_success:
+  - "[ ! -z $COVERAGE ] && coveralls || true"

README.md

@@ -125,7 +125,7 @@ line. The values are again dictionaries with the following keys.
   configuration.
 
 * `paths` Path templates for audio files under `directory`. Configured
-  like [global paths option][config-paths].
+  like and defaults to [global paths option][config-paths].
 
 * `query` A [query string][] that determine which tracks belong to the
   collection.

beetsplug/alternatives.py

@@ -17,6 +17,7 @@
 from argparse import ArgumentParser
 from concurrent import futures
 
+import beets
 from beets import util
 from beets.plugins import BeetsPlugin
 from beets.ui import Subcommand, get_path_formats
@@ -79,7 +80,11 @@ class External(object):
     def __init__(self, name, lib, config):
         self.lib = lib
         self.path_key = 'alt.{0}'.format(name)
-        self.path_formats = get_path_formats(config['paths'])
+        if config['paths'].exists():
+            path_config = config['paths']
+        else:
+            path_config = beets.config['paths']
+        self.path_formats = get_path_formats(path_config)
         self.query, _ = get_query_sort(config['query'].get(unicode), Item)
 
         dir = config['directory'].as_filename()

test/cli_test.py

@@ -63,7 +63,6 @@ def setUp(self):
         self.config['alternatives']['external'] = {
             'myexternal': {
                 'directory': external_dir,
-                'paths': {'default': '$artist/$title'},
                 'query': 'myexternal:true'
             }
         }