[gnome-music/wip/mschraal/sparql-property-path: 8/9] query: Start using SPARQL property paths



commit b73b8539597670cb56d3fd37797c2c70d72d2bf2
Author: Marinus Schraal <mschraal gnome org>
Date:   Sat May 4 22:31:26 2019 +0200

    query: Start using SPARQL property paths
    
    Bump the tracker dependency to 2.2.0 for property path support.

 gnomemusic/query.py | 22 +++++++---------------
 meson.build         |  2 +-
 2 files changed, 8 insertions(+), 16 deletions(-)
---
diff --git a/gnomemusic/query.py b/gnomemusic/query.py
index cf254641..becad151 100644
--- a/gnomemusic/query.py
+++ b/gnomemusic/query.py
@@ -558,9 +558,7 @@ class Query():
                     ?playlist
                         a nmm:Playlist ;
                         a nfo:MediaList ;
-                        nfo:hasMediaFileListEntry ?removed_entry .
-                    ?removed_entry
-                        nfo:listPosition ?removed_position .
+                        nfo:hasMediaFileListEntry/nfo:listPosition ?removed_position .
                     FILTER (
                         tracker:id(?playlist) = %(playlist_id)s &&
                         tracker:id(?removed_entry) = %(song_id)s
@@ -648,8 +646,7 @@ class Query():
         query = """
     ?playlist
         a nmm:Playlist ;
-        nao:hasTag ?tag .
-    ?tag rdfs:comment ?tag_text .
+        nao:hasTag/rdfs:comment ?tag_text .
     FILTER ( ?tag_text = '%(playlist_tag)s' )
     """.replace('\n', ' ').strip() % {'playlist_tag': playlist_tag}
 
@@ -713,8 +710,7 @@ class Query():
         WHERE {
             ?song a nmm:MusicPiece ;
                 nie:usageCounter ?count ;
-                nie:isStoredAs ?as .
-          ?as nie:url ?url .
+                nie:isStoredAs/nie:url ?url .
           FILTER ( STRSTARTS(?url, '%(music_dir)s') )
         } ORDER BY DESC(?count) LIMIT 50
         """.replace('\n', ' ').strip() % {
@@ -729,8 +725,7 @@ class Query():
         SELECT ?url
         WHERE {
             ?song a nmm:MusicPiece ;
-                nie:isStoredAs ?as .
-            ?as nie:url ?url .
+                nie:isStoredAs/nie:url ?url .
             FILTER ( NOT EXISTS { ?song nie:usageCounter ?count .}
                      && STRSTARTS(?url, '%(music_dir)s') )
         } ORDER BY nfo:fileLastAccessed(?song) LIMIT 50
@@ -754,9 +749,8 @@ class Query():
             SELECT ?url
             WHERE {
                 ?song a nmm:MusicPiece ;
-                    nie:isStoredAs ?as ;
+                    nie:isStoredAs/nie:url ?url ;
                     nie:contentAccessed ?last_played .
-                ?as nie:url ?url .
                 FILTER ( ?last_played > '%(compare_date)s'^^xsd:dateTime
                          && EXISTS { ?song nie:usageCounter ?count .}
                          && STRSTARTS(?url, '%(music_dir)s') )
@@ -783,9 +777,8 @@ class Query():
         SELECT ?url
         WHERE {
             ?song a nmm:MusicPiece ;
-                nie:isStoredAs ?as ;
+                nie:isStoredAs/nie:url ?url ;
                 tracker:added ?added .
-            ?as nie:url ?url .
             FILTER ( ?added > '%(compare_date)s'^^xsd:dateTime
                      && STRSTARTS(?url, '%(music_dir)s') )
         } ORDER BY DESC(?added) LIMIT 50
@@ -802,9 +795,8 @@ class Query():
     SELECT ?url
     WHERE {
         ?song a nmm:MusicPiece ;
-            nie:isStoredAs ?as ;
+            nie:isStoredAs/nie:url ?url ;
             nao:hasTag nao:predefined-tag-favorite .
-        ?as nie:url ?url .
         FILTER ( STRSTARTS(?url, '%(music_dir)s') )
     } ORDER BY DESC(tracker:added(?song))
     """.replace('\n', ' ').strip() % {
diff --git a/meson.build b/meson.build
index c856d163..89e852fc 100644
--- a/meson.build
+++ b/meson.build
@@ -42,7 +42,7 @@ dependency('gtk+-3.0', version: '>= 3.23.1')
 dependency('libdazzle-1.0', version: '>= 3.28.0')
 dependency('libmediaart-2.0', version: '>= 1.9.1')
 dependency('libsoup-2.4')
-dependency('tracker-sparql-2.0', version: '>= 1.99.1')
+dependency('tracker-sparql-2.0', version: '>= 2.2.0')
 dependency('pygobject-3.0', version: '>= 3.29.1')
 dependency('py3cairo', version: '>= 1.14.0')
 dependency('grilo-0.3', version: '>= 0.3.4')


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