working auto-tags on implemented UGC Categories

nonpacks/library/migrations/0012_taglist_auto.py

@@ -0,0 +1,18 @@
+# Generated by Django 6.0.3 on 2026-08-05 15:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('library', '0011_version_mod_manifest'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='taglist',
+            name='auto',
+            field=models.BooleanField(default=False),
+        ),
+    ]

nonpacks/library/models.py

@@ -189,6 +189,7 @@ class TagList(models.Model):
     added_by = models.ForeignKey(
         settings.AUTH_USER_MODEL, on_delete=models.SET_NULL, null=True, related_name='+',
     )
+    auto = models.BooleanField(default=False)
     added_at = models.DateTimeField(auto_now_add=True)
 
     class Meta:

nonpacks/library/views.py

@@ -39,11 +39,12 @@ from .zips import (
     read_animation_manifest,
     read_logical_manifest,
     read_models_manifest,
+    read_mod_version_manifest,
     read_pack_meta,
     read_pack_mcmeta,
     read_plugins_manifest,
     read_skins_manifest,
-    read_mod_version_manifest,
+    _mc_from_filename,
 )
 
 
@@ -543,19 +544,120 @@ ANIMATION_API_WARNING = (
 )
 
 
-def _apply_content_tags(project, tag_names, actor):
+def _clean_mc_version(value):
-    """Auto-create a content:<tag> for every distinct animation content tag."""
+    """Extract the first X.Y from an MC version/range ('>=26.2 <26.3' -> '26.2')."""
-    content_cat = TagCategory.objects.filter(slug='content').first()
+    m = re.search(r'(\d+\.\d+)', str(value or ''))
-    if content_cat is None:
+    return m.group(1) if m else ''
-        return
+
-    for name in tag_names:
+
+def _vanilla_entities():
+    """Set of real Minecraft entity names from the bundled vanilla index.
+
+    Excludes renderer aliases (slime_size_*, player_slim) that are model
+    variants rather than Minecraft entities.
+    """
+    aliases = {'slime_size_0', 'slime_size_1', 'slime_size_3', 'player_slim'}
+    try:
+        with open(settings.BASE_DIR / 'static' / 'vanilla' / 'entity_index.json') as f:
+            return set(json.load(f).keys()) - aliases
+    except (OSError, ValueError):
+        return set()
+
+
+def _species_entity(entity):
+    """Map model-variant names to their real Minecraft entity."""
+    return {
+        'player_slim': 'player',
+        'slime_size_0': 'slime',
+        'slime_size_1': 'slime',
+        'slime_size_3': 'slime',
+    }.get(entity, entity)
+
+
+def _auto_tag_specs(project, version):
+    """Deduped list of (category_slug, tag_name) auto-tags for a version."""
+    specs = []
+
+    def add(cat, name):
         name = slugify_tag(name)
-        if not name:
+        if name and (cat, name) not in specs:
+            specs.append((cat, name))
+
+    if project.category == 'mod':
+        for m in (version.mod_manifest or {}).get('mods', []):
+            if m.get('modloader'):
+                add('loader', m['modloader'])
+            mc = _clean_mc_version(m.get('minecraft'))
+            if not mc:
+                mc = _mc_from_filename(m.get('file_name') or '')
+            if mc:
+                add('version', mc)
+    elif project.category == 'modpack':
+        for loader in (version.mods_manifest or {}).get('modloaders', []):
+            add('loader', loader)
+        mc = (version.mods_manifest or {}).get('minecraft')
+        if mc:
+            add('version', mc)
+    elif project.category == 'model':
+        vanilla = _vanilla_entities()
+        for m in (version.models_manifest or {}).get('models', []):
+            ext = (m.get('ext') or '').lstrip('.')
+            if ext == 'geo.json':
+                ext = 'geo'
+            if ext:
+                add('format', ext)
+            entity = _species_entity(m.get('entity') or '')
+            if entity and entity in vanilla:
+                add('species', entity)
+    elif project.category == 'skin':
+        add('general', 'skin')
+    elif project.category == 'guide':
+        add('general', 'guide')
+    elif project.category == 'non_pack':
+        # NoN packs may carry custom/modded species — no vanilla whitelist.
+        # Only skip placeholder model names (pregnancy-egg stubs, etc.).
+        placeholders = {'default', 'minecraft_spider'}
+        for tag in (version.animation_manifest or {}).get('content_tags', []):
+            add('content', tag)
+        for m in (version.models_manifest or {}).get('models', []):
+            entity = _species_entity(m.get('entity') or '')
+            if entity and entity not in placeholders:
+                add('species', entity)
+    return specs
+
+
+def _sync_auto_tags(project, actor=None, version=None):
+    """Apply auto tags (loader/version/format/species/general/content) from the
+    given version's manifests. Marks auto links, cleans stale ones, and never
+    touches manual links (arbitrary tags like creator:LiZo are preserved)."""
+    actor = actor or project.owner
+    version = version or project.versions.first()
+    if version is None:
+        return
+
+    TagCategory.objects.get_or_create(slug='format', defaults={'name': 'Format', 'color': '#0e7490'})
+    specs = _auto_tag_specs(project, version)
+    spec_set = set(specs)
+
+    cats = {}
+    for cat_slug, name in specs:
+        cat = cats.get(cat_slug) or TagCategory.objects.filter(slug=cat_slug).first()
+        if cat is None:
             continue
+        cats[cat_slug] = cat
         tag, _ = Tag.objects.get_or_create(
-            name=name, category=content_cat, defaults={'created_by': actor},
+            name=name, category=cat, defaults={'created_by': actor},
         )
-        TagList.objects.get_or_create(project=project, tag=tag, defaults={'added_by': actor})
+        link, created = TagList.objects.get_or_create(
+            project=project, tag=tag, defaults={'added_by': actor, 'auto': True},
+        )
+        if not created and not link.auto:
+            link.auto = True
+            link.save(update_fields=['auto'])
+
+    for link in project.tag_links.select_related('tag__category').filter(auto=True).all():
+        if (link.tag.category.slug, link.tag.name) not in spec_set:
+            link.delete()
 
 
 def _established_animation_id(project):
@@ -689,6 +791,7 @@ def _reparse_version(version):
         version.pack_format = fmt
         version.pack_description = desc
     version.save()
+    _sync_auto_tags(version.project, version.project.owner, version.project.versions.first())
 
 
 def _finalize_version(project, version_name, changelog, temp_uploads, actor):
@@ -792,10 +895,7 @@ def _finalize_version(project, version_name, changelog, temp_uploads, actor):
     if update_fields:
         version.save(update_fields=update_fields)
 
-    if animation_manifest is not None:
+    _sync_auto_tags(project, actor, version)
-        _apply_content_tags(
-            project, animation_manifest.get('content_tags') or [], actor,
-        )
     return version, missing_animation_id
 
 
@@ -912,6 +1012,7 @@ def project_edit(request, slug):
             project.save()
             _apply_tags(project, data['tags'], request.user)
             project.sync_creator_tags(actor=request.user)
+            _sync_auto_tags(project, request.user)
             messages.success(request, 'Project updated.')
             return redirect('library:project_detail', slug=project.slug)
     else: