make fuzzy use PluginQuery instead of a subcommand

beetsplug/fuzzy.py

@@ -14,84 +14,32 @@
 
 """Like beet list, but with fuzzy matching
 """
+
 from beets.plugins import BeetsPlugin
+from beets.library import PluginQuery
 from beets.ui import Subcommand, decargs, print_obj
-from beets.util.functemplate import Template
 from beets import config
+from beets import util
 import difflib
 
+class FuzzyQuery(PluginQuery):
+    def __init__(self, field, pattern):
+        super(FuzzyQuery, self).__init__(field, pattern)
+        # self.field = field
+        self.name = 'PLUGIN'
+        self.prefix = "~"
 
-def fuzzy_score(queryMatcher, item):
-    queryMatcher.set_seq1(item)
-    return queryMatcher.quick_ratio()
+    def match(self, pattern, val):
+        if pattern is None:
+            return False
+        val = util.as_string(val)
+        queryMatcher = difflib.SequenceMatcher(None, pattern, val)
+        return queryMatcher.quick_ratio() > 0.7
 
 
-def is_match(queryMatcher, item, album=False, verbose=False, threshold=0.7):
-    if album:
-        values = [item.albumartist, item.album]
-    else:
-        values = [item.artist, item.album, item.title]
-
-    s = max(fuzzy_score(queryMatcher, i.lower()) for i in values)
-    if verbose:
-        return (s >= threshold, s)
-    else:
-        return s >= threshold
-
-
-def fuzzy_list(lib, opts, args):
-    query = decargs(args)
-    query = ' '.join(query).lower()
-    queryMatcher = difflib.SequenceMatcher(b=query)
-
-    if opts.threshold is not None:
-        threshold = float(opts.threshold)
-    else:
-        threshold = config['fuzzy']['threshold'].as_number()
-
-    if opts.path:
-        fmt = '$path'
-    else:
-        fmt = opts.format
-    template = Template(fmt) if fmt else None
-
-    if opts.album:
-        objs = lib.albums()
-    else:
-        objs = lib.items()
-
-    items = filter(lambda i: is_match(queryMatcher, i, album=opts.album,
-                                      threshold=threshold), objs)
-
-    for item in items:
-        print_obj(item, lib, template)
-        if opts.verbose:
-            print(is_match(queryMatcher, item,
-                           album=opts.album, verbose=True)[1])
-
-
-fuzzy_cmd = Subcommand('fuzzy',
-                        help='list items using fuzzy matching')
-fuzzy_cmd.parser.add_option('-a', '--album', action='store_true',
-        help='choose an album instead of track')
-fuzzy_cmd.parser.add_option('-p', '--path', action='store_true',
-        help='print the path of the matched item')
-fuzzy_cmd.parser.add_option('-f', '--format', action='store',
-        help='print with custom format', default=None)
-fuzzy_cmd.parser.add_option('-v', '--verbose', action='store_true',
-        help='output scores for matches')
-fuzzy_cmd.parser.add_option('-t', '--threshold', action='store',
-        help='return result with a fuzzy score above threshold. \
-              (default is 0.7)', default=None)
-fuzzy_cmd.func = fuzzy_list
-
-
-class Fuzzy(BeetsPlugin):
+class FuzzyPlugin(BeetsPlugin):
     def __init__(self):
-        super(Fuzzy, self).__init__()
-        self.config.add({
-            'threshold': 0.7,
-        })
+        super(FuzzyPlugin, self).__init__(self)
 
-    def commands(self):
-        return [fuzzy_cmd]
+    def queries(self):
+        return [FuzzyQuery]