Add 'date' query support to 'find' and 'search' to improve ncmpcpp media library browsing

docs/changes.rst

@@ -13,7 +13,11 @@ No description yet.
 
 **Changes**
 
-- No changes yet.
+- MPD frontend:
+
+  - Add support for "date" queries to both the ``find`` and ``search``
+    commands. This makes media library browsing in ncmpcpp work, though very
+    slow due to all the meta data requests to Spotify.
 
 
 0.3.1 (2010-01-22)

mopidy/frontends/mpd/protocol/music_db.py

@@ -41,8 +41,8 @@ def count(frontend, tag, needle):
     return [('songs', 0), ('playtime', 0)] # TODO
 
 @handle_pattern(r'^find '
-     r'(?P<mpd_query>("?([Aa]lbum|[Aa]rtist|[Ff]ilename|[Tt]itle|[Aa]ny)"?'
+     r'(?P<mpd_query>("?([Aa]lbum|[Aa]rtist|[Dd]ate|[Ff]ilename|'
-     ' "[^"]+"\s?)+)$')
+     r'[Tt]itle|[Aa]ny)"? "[^"]+"\s?)+)$')
 def find(frontend, mpd_query):
     """
     *musicpd.org, music database section:*
@@ -62,6 +62,10 @@ def find(frontend, mpd_query):
 
     - does not add quotes around the field argument.
     - capitalizes the type argument.
+
+    *ncmpcpp:*
+
+    - also uses the search type "date".
     """
     query = _build_query(mpd_query)
     return frontend.backend.library.find_exact(**query).mpd_format()
@@ -290,8 +294,8 @@ def rescan(frontend, uri=None):
     return update(frontend, uri, rescan_unmodified_files=True)
 
 @handle_pattern(r'^search '
-     r'(?P<mpd_query>("?([Aa]lbum|[Aa]rtist|[Ff]ilename|[Tt]itle|[Aa]ny)"?'
+     r'(?P<mpd_query>("?([Aa]lbum|[Aa]rtist|[Dd]ate|[Ff]ilename|'
-     ' "[^"]+"\s?)+)$')
+     r'[Tt]itle|[Aa]ny)"? "[^"]+"\s?)+)$')
 def search(frontend, mpd_query):
     """
     *musicpd.org, music database section:*
@@ -314,6 +318,10 @@ def search(frontend, mpd_query):
 
     - does not add quotes around the field argument.
     - capitalizes the field argument.
+
+    *ncmpcpp:*
+
+    - also uses the search type "date".
     """
     query = _build_query(mpd_query)
     return frontend.backend.library.search(**query).mpd_format()

tests/frontends/mpd/music_db_test.py

@@ -92,7 +92,20 @@ class MusicDatabaseFindTest(unittest.TestCase):
         result = self.h.handle_request(u'find title "what"')
         self.assert_(u'OK' in result)
 
+    def test_find_date(self):
+        result = self.h.handle_request(u'find "date" "2002-01-01"')
+        self.assert_(u'OK' in result)
+
+    def test_find_date_without_quotes(self):
+        result = self.h.handle_request(u'find date "2002-01-01"')
+        self.assert_(u'OK' in result)
+
+    def test_find_date_with_capital_d_and_incomplete_date(self):
+        result = self.h.handle_request(u'find Date "2005"')
+        self.assert_(u'OK' in result)
+
     def test_find_else_should_fail(self):
+
         result = self.h.handle_request(u'find "somethingelse" "what"')
         self.assertEqual(result[0], u'ACK [2@0] {find} incorrect arguments')
 
@@ -338,6 +351,18 @@ class MusicDatabaseSearchTest(unittest.TestCase):
         result = self.h.handle_request(u'search any "anything"')
         self.assert_(u'OK' in result)
 
+    def test_search_date(self):
+        result = self.h.handle_request(u'search "date" "2002-01-01"')
+        self.assert_(u'OK' in result)
+
+    def test_search_date_without_quotes(self):
+        result = self.h.handle_request(u'search date "2002-01-01"')
+        self.assert_(u'OK' in result)
+
+    def test_search_date_with_capital_d_and_incomplete_date(self):
+        result = self.h.handle_request(u'search Date "2005"')
+        self.assert_(u'OK' in result)
+
     def test_search_else_should_fail(self):
         result = self.h.handle_request(u'search "sometype" "something"')
         self.assertEqual(result[0], u'ACK [2@0] {search} incorrect arguments')