Change up this syntax a little

config.yaml

@@ -64,6 +64,9 @@ beetslabels:
       # in the future? concat: ["label:a", "label:b"]
       query: "label:effortless"
       sort: "effortless + exercise"
+    - name: everyday
+      query: "label:everyday"
+      sort: "everyday"
 
 smartplaylist:
   relative_to: ~/Music/0beets_playlists
@@ -71,23 +74,23 @@ smartplaylist:
   forward_slash: no
   playlists:
     - name: "favorites.m3u"
-      query: ['plfavorites:1']
+      query: ['label:favorites']
+    - name: "everyday.m3u"
+      query: ['sorted_playlist:everyday']
+    - name: "exercise.m3u"
+      query: ['sorted_playlist:exercise'] # ['^plexercise::^$ plexercise-']
     - name: "focus.m3u"
       query: ['plfocus:1']
     - name: "warmth.m3u"
       query: ['plwarmth:1']
     - name: "relax.m3u"
       query: ['plrelax:1']
-    - name: "everyday.m3u"
-      query: ['^pleveryday::^$ pleveryday-']
     - name: "word.m3u"
       query: ['plword:1']
     - name: "control.m3u"
       query: ['plcontrol:1']
     - name: "precision.m3u"
       query: ['plprecision:1']
-    - name: "exercise.m3u"
-      query: ['sorted_playlist:exercise'] # ['^plexercise::^$ plexercise-']
     - name: "chiptune.m3u"
       query: ['genre:chiptune', 'genre:8-bit', 'plchiptune:1']
 

plugins/labels.py

@@ -4,6 +4,7 @@ from beets.ui.commands.modify import print_and_modify
 from beets.dbcore import FieldQuery
 from beets.dbcore.query import SlowFieldSort
 
+import re
 import json
 import os
 import subprocess
@@ -218,13 +219,20 @@ def edit_labels(lib, opts, args):
     finally:
         os.remove(temp_file.name)
 
+    # Build a lookup from header string to item
+    def item_header(item):
+        if item.artist:
+            return f"{item.artist} - {item.title}:"
+        return f"{item.title}:"
+
+    item_by_header = {item_header(item): item for item in items_list}
+
     # Parse the edited labels and apply changes
     # Format: "Artist - Title:\n - key: value\n - key2: value2\n\n"
     changes = []
     i = 0
-    item_idx = 0
 
-    while i < len(lines) and item_idx < len(items_list):
+    while i < len(lines):
         line = lines[i].strip()
 
         # Skip blank lines
@@ -234,8 +242,7 @@ def edit_labels(lib, opts, args):
 
         # Check if this is an item header (ends with :)
         if line.endswith(':'):
-            item = items_list[item_idx]
-            item_idx += 1
+            item = item_by_header.get(line)
             i += 1
 
             # Now read all label lines for this item
@@ -253,6 +260,7 @@ def edit_labels(lib, opts, args):
                         try:
                             new_labels[key] = int(val)
                         except ValueError:
+                            if item:
                                 print_(f"Warning: Invalid value for label '{key}' in item '{item.title}', skipping")
                     else:
                         new_labels[label_content.strip()] = 1
@@ -261,6 +269,10 @@ def edit_labels(lib, opts, args):
                     # Not a label line, done with this item
                     break
 
+            if item is None:
+                print_(f"Warning: Header '{line}' not found in query results, skipping")
+                continue
+
             # Compare with old labels
             old_labels = {}
             if LABELS_FIELD_NAME in item and item[LABELS_FIELD_NAME]:
@@ -272,6 +284,24 @@ def edit_labels(lib, opts, args):
             # Unexpected format, skip
             i += 1
 
+    # Items removed from the file get their labels cleared
+    headers_in_file = set()
+    i = 0
+    while i < len(lines):
+        line = lines[i].strip()
+        if line.endswith(':') and line in item_by_header:
+            headers_in_file.add(line)
+        i += 1
+
+    for item in items_list:
+        header = item_header(item)
+        if header not in headers_in_file:
+            old_labels = {}
+            if LABELS_FIELD_NAME in item and item[LABELS_FIELD_NAME]:
+                old_labels = item[LABELS_FIELD_NAME]
+            if old_labels:
+                changes.append((item, {}))
+
     if not changes:
         print_("No changes to make.")
         return
@@ -321,19 +351,30 @@ class HasLabelQuery(FieldQuery):
         super().__init__(LABELS_FIELD_NAME, pattern, False)
 
     @classmethod
-    def value_match(self, pattern, labels):
-        if labels is not None:
-            label = pattern
-            value = None
-            if "." in pattern:
-                label, value = pattern.split(".")
-
-            if value is None:
-                return label in labels
-            else:
-                return label in labels and str(labels[label]) == value
+    def value_match(cls, pattern, labels):
+        if not labels:
             return False
 
+        match = re.match(r'^([^.]+)(?:\.(gt|lt|eq)\.(\d+))?$', pattern)
+        if not match:
+            return False
+
+        label, op, val = match.group(1), match.group(2), match.group(3)
+
+        if label not in labels:
+            return False
+        if op is None:
+            return True
+
+        value = labels[label]
+        num = int(val)
+        if op == 'eq':
+            return value == num
+        elif op == 'gt':
+            return value > num
+        elif op == 'lt':
+            return value < num
+
 class LabelValueSort(SlowFieldSort):
     def __init__(self, field, ascending=True, case_insensitive=True):
         super().__init__(field, ascending, case_insensitive)