Upgraded celery to 4.1, added endpoint logic for fingerprinting audio files

api/Dockerfile

@@ -6,8 +6,8 @@ ENV PYTHONUNBUFFERED 1
 
 COPY ./requirements.apt /requirements.apt
 RUN apt-get update -qq && grep "^[^#;]" requirements.apt | xargs apt-get install -y
-
-
+RUN curl -L https://github.com/acoustid/chromaprint/releases/download/v1.4.2/chromaprint-fpcalc-1.4.2-linux-x86_64.tar.gz | tar -xz -C /usr/local/bin --strip 1
+RUN fcalc yolofkjdssdhf
 COPY ./requirements/base.txt /requirements/base.txt
 RUN pip install -r /requirements/base.txt
 COPY ./requirements/production.txt /requirements/production.txt

api/config/settings/common.py

@@ -47,7 +47,6 @@ THIRD_PARTY_APPS = (
     'corsheaders',
     'rest_framework',
     'rest_framework.authtoken',
-    'djcelery',
     'taggit',
     'cachalot',
     'rest_auth',
@@ -68,6 +67,7 @@ LOCAL_APPS = (
     'funkwhale_api.playlists',
     'funkwhale_api.providers.audiofile',
     'funkwhale_api.providers.youtube',
+    'funkwhale_api.providers.acoustid',
 )
 
 # See: https://docs.djangoproject.com/en/dev/ref/settings/#installed-apps
@@ -266,14 +266,14 @@ CACHES["default"]["OPTIONS"] = {
 
 ########## CELERY
 INSTALLED_APPS += ('funkwhale_api.taskapp.celery.CeleryConfig',)
-BROKER_URL = env(
+CELERY_BROKER_URL = env(
     "CELERY_BROKER_URL", default=env('CACHE_URL', default=CACHE_DEFAULT))
 ########## END CELERY
 # Location of root django.contrib.admin URL, use {% url 'admin:index' %}
 ADMIN_URL = r'^admin/'
 # Your common stuff: Below this line define 3rd party library settings
-CELERY_DEFAULT_RATE_LIMIT = 1
-CELERYD_TASK_TIME_LIMIT = 300
+CELERY_TASK_DEFAULT_RATE_LIMIT = 1
+CELERY_TASK_TIME_LIMIT = 300
 import datetime
 JWT_AUTH = {
     'JWT_ALLOW_REFRESH': True,

api/config/settings/local.py

@@ -54,7 +54,7 @@ TEST_RUNNER = 'django.test.runner.DiscoverRunner'
 
 ########## CELERY
 # In development, all tasks will be executed locally by blocking until the task returns
-CELERY_ALWAYS_EAGER = False
+CELERY_TASK_ALWAYS_EAGER = False
 ########## END CELERY
 
 # Your local stuff: Below this line define 3rd party library settings

api/config/settings/test.py

@@ -23,7 +23,7 @@ CACHES = {
     }
 }
 
-BROKER_URL = 'memory://'
+CELERY_BROKER_URL = 'memory://'
 
 # TESTING
 # ------------------------------------------------------------------------------
@@ -31,7 +31,7 @@ TEST_RUNNER = 'django.test.runner.DiscoverRunner'
 
 ########## CELERY
 # In development, all tasks will be executed locally by blocking until the task returns
-CELERY_ALWAYS_EAGER = True
+CELERY_TASK_ALWAYS_EAGER = True
 ########## END CELERY
 
 # Your local stuff: Below this line define 3rd party library settings

api/docker/Dockerfile.test

@@ -7,6 +7,7 @@ ENV PYTHONDONTWRITEBYTECODE  1
 COPY ./requirements.apt /requirements.apt
 COPY ./install_os_dependencies.sh /install_os_dependencies.sh
 RUN bash install_os_dependencies.sh install
+RUN curl -L https://github.com/acoustid/chromaprint/releases/download/v1.4.2/chromaprint-fpcalc-1.4.2-linux-x86_64.tar.gz | tar -xz -C /usr/local/bin --strip 1
 
 RUN mkdir /requirements
 COPY ./requirements/base.txt /requirements/base.txt

api/funkwhale_api/music/migrations/0016_trackfile_acoustid_track_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0 on 2017-12-26 16:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('music', '0015_bind_track_file_to_import_job'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='trackfile',
+            name='acoustid_track_id',
+            field=models.UUIDField(blank=True, null=True),
+        ),
+    ]

api/funkwhale_api/music/models.py

@@ -15,11 +15,9 @@ from django.utils import timezone
 from taggit.managers import TaggableManager
 from versatileimagefield.fields import VersatileImageField
 
-from funkwhale_api.taskapp import celery
 from funkwhale_api import downloader
 from funkwhale_api import musicbrainz
 from . import importers
-from . import lyrics as lyrics_utils
 
 
 class APIModelMixin(models.Model):
@@ -255,14 +253,6 @@ class Lyrics(models.Model):
     url = models.URLField(unique=True)
     content = models.TextField(null=True, blank=True)
 
-    @celery.app.task(name='Lyrics.fetch_content', filter=celery.task_method)
-    def fetch_content(self):
-        html = lyrics_utils._get_html(self.url)
-        content = lyrics_utils.extract_content(html)
-        cleaned_content = lyrics_utils.clean_content(content)
-        self.content = cleaned_content
-        self.save()
-
     @property
     def content_rendered(self):
         return markdown.markdown(
@@ -362,6 +352,7 @@ class TrackFile(models.Model):
     audio_file = models.FileField(upload_to='tracks/%Y/%m/%d', max_length=255)
     source = models.URLField(null=True, blank=True)
     duration = models.IntegerField(null=True, blank=True)
+    acoustid_track_id = models.UUIDField(null=True, blank=True)
 
     def download_file(self):
         # import the track file, since there is not any
@@ -429,26 +420,3 @@ class ImportJob(models.Model):
 
     class Meta:
         ordering = ('id', )
-    @celery.app.task(name='ImportJob.run', filter=celery.task_method)
-    def run(self, replace=False):
-        try:
-            track, created = Track.get_or_create_from_api(mbid=self.mbid)
-            track_file = None
-            if replace:
-                track_file = track.files.first()
-            elif track.files.count() > 0:
-                return
-
-            track_file = track_file or TrackFile(
-                track=track, source=self.source)
-            track_file.download_file()
-            track_file.save()
-            self.status = 'finished'
-            self.track_file = track_file
-            self.save()
-            return track.pk
-
-        except Exception as exc:
-            if not settings.DEBUG:
-                raise ImportJob.run.retry(args=[self], exc=exc, countdown=30, max_retries=3)
-            raise

api/funkwhale_api/music/tasks.py

@@ -0,0 +1,56 @@
+from funkwhale_api.taskapp import celery
+from funkwhale_api.providers.acoustid import get_acoustid_client
+
+from django.conf import settings
+from . import models
+from . import lyrics as lyrics_utils
+
+
+@celery.app.task(name='acoustid.set_on_track_file')
+@celery.require_instance(models.TrackFile, 'track_file')
+def set_acoustid_on_track_file(track_file):
+    client = get_acoustid_client()
+    result = client.get_best_match(track_file.audio_file.path)
+
+    def update(id):
+        track_file.acoustid_track_id = id
+        track_file.save(update_fields=['acoustid_track_id'])
+        return id
+    if result:
+        return update(result['id'])
+
+
+@celery.app.task(name='ImportJob.run', bind=True)
+@celery.require_instance(models.ImportJob, 'import_job')
+def import_job_run(self, import_job, replace=False):
+    try:
+        track, created = models.Track.get_or_create_from_api(mbid=import_job.mbid)
+        track_file = None
+        if replace:
+            track_file = track.files.first()
+        elif track.files.count() > 0:
+            return
+
+        track_file = track_file or models.TrackFile(
+            track=track, source=import_job.source)
+        track_file.download_file()
+        track_file.save()
+        import_job.status = 'finished'
+        import_job.track_file = track_file
+        import_job.save()
+        return track.pk
+
+    except Exception as exc:
+        if not settings.DEBUG:
+            raise import_job_run.retry(args=[self], exc=exc, countdown=30, max_retries=3)
+        raise
+
+
+@celery.app.task(name='Lyrics.fetch_content')
+@celery.require_instance(models.Lyrics, 'lyrics')
+def fetch_content(lyrics):
+    html = lyrics_utils._get_html(lyrics.url)
+    content = lyrics_utils.extract_content(html)
+    cleaned_content = lyrics_utils.clean_content(content)
+    lyrics.content = cleaned_content
+    lyrics.save(update_fields=['content'])

api/funkwhale_api/music/views.py

@@ -22,6 +22,7 @@ from . import models
 from . import serializers
 from . import importers
 from . import filters
+from . import tasks
 from . import utils
 
 
@@ -129,7 +130,8 @@ class TrackViewSet(TagViewSetMixin, SearchMixin, viewsets.ReadOnlyModelViewSet):
         lyrics = work.fetch_lyrics()
         try:
             if not lyrics.content:
-                lyrics.fetch_content()
+                tasks.fetch_content(lyrics_id=lyrics.pk)
+                lyrics.refresh_from_db()
         except AttributeError:
             return Response({'error': 'unavailable lyrics'}, status=404)
         serializer = serializers.LyricsSerializer(lyrics)
@@ -244,7 +246,7 @@ class SubmitViewSet(viewsets.ViewSet):
             pass
         batch = models.ImportBatch.objects.create(submitted_by=request.user)
         job = models.ImportJob.objects.create(mbid=request.POST['mbid'], batch=batch, source=request.POST['import_url'])
-        job.run.delay()
+        tasks.import_job_run.delay(import_job_id=job.pk)
         serializer = serializers.ImportBatchSerializer(batch)
         return Response(serializer.data)
 
@@ -272,7 +274,7 @@ class SubmitViewSet(viewsets.ViewSet):
                 models.TrackFile.objects.get(track__mbid=row['mbid'])
             except models.TrackFile.DoesNotExist:
                 job = models.ImportJob.objects.create(mbid=row['mbid'], batch=batch, source=row['source'])
-                job.run.delay()
+                tasks.import_job_run.delay(import_job_id=job.pk)
         serializer = serializers.ImportBatchSerializer(batch)
         return serializer.data, batch
 

api/funkwhale_api/providers/acoustid/__init__.py

@@ -0,0 +1,27 @@
+import acoustid
+
+from dynamic_preferences.registries import global_preferences_registry
+
+
+class Client(object):
+    def __init__(self, api_key):
+        self.api_key = api_key
+
+    def match(self, file_path):
+        return acoustid.match(self.api_key, file_path, parse=False)
+
+    def get_best_match(self, file_path):
+        results = self.match(file_path=file_path)
+        MIN_SCORE_FOR_MATCH = 0.8
+        try:
+            rows = results['results']
+        except KeyError:
+            return
+        for row in rows:
+            if row['score'] >= MIN_SCORE_FOR_MATCH:
+                return row
+
+
+def get_acoustid_client():
+    manager = global_preferences_registry.manager()
+    return Client(api_key=manager['providers_acoustid__api_key'])

api/funkwhale_api/providers/acoustid/dynamic_preferences_registry.py

@@ -0,0 +1,13 @@
+from dynamic_preferences.types import StringPreference, Section
+from dynamic_preferences.registries import global_preferences_registry
+
+acoustid = Section('providers_acoustid')
+
+
+@global_preferences_registry.register
+class APIKey(StringPreference):
+    section = acoustid
+    name = 'api_key'
+    default = ''
+    verbose_name = 'Acoustid API key'
+    help_text = 'The API key used to query AcoustID. Get one at https://acoustid.org/new-application.'

api/funkwhale_api/providers/audiofile/tasks.py

@@ -1,20 +1,20 @@
+import acoustid
 import os
 import datetime
 from django.core.files import File
 
 from funkwhale_api.taskapp import celery
+from funkwhale_api.providers.acoustid import get_acoustid_client
 from funkwhale_api.music import models, metadata
 
 
-@celery.app.task(name='audiofile.from_path')
-def from_path(path):
+def import_metadata_without_musicbrainz(path):
     data = metadata.Metadata(path)
     artist = models.Artist.objects.get_or_create(
         name__iexact=data.get('artist'),
         defaults={
             'name': data.get('artist'),
             'mbid': data.get('musicbrainz_artistid', None),
-
         },
     )[0]
 
@@ -39,11 +39,33 @@ def from_path(path):
             'mbid': data.get('musicbrainz_recordingid', None),
         },
     )[0]
+    return track
+
+
+def import_metadata_with_musicbrainz(path):
+    pass
+
+@celery.app.task(name='audiofile.from_path')
+def from_path(path):
+    acoustid_track_id = None
+    try:
+        client = get_acoustid_client()
+        result = client.get_best_match(path)
+        acoustid_track_id = result['id']
+    except acoustid.WebServiceError:
+        track = import_metadata_without_musicbrainz(path)
+    except (TypeError, KeyError):
+        track = import_metadata_without_musicbrainz(path)
+    else:
+        track, created = models.Track.get_or_create_from_api(
+            mbid=result['recordings'][0]['id']
+        )
 
     if track.files.count() > 0:
         raise ValueError('File already exists for track {}'.format(track.pk))
 
-    track_file = models.TrackFile(track=track)
+    track_file = models.TrackFile(
+        track=track, acoustid_track_id=acoustid_track_id)
     track_file.audio_file.save(
         os.path.basename(path),
         File(open(path, 'rb'))

api/funkwhale_api/taskapp/celery.py

@@ -1,10 +1,12 @@
 
 from __future__ import absolute_import
 import os
+import functools
+
 from celery import Celery
 from django.apps import AppConfig
 from django.conf import settings
-from celery.contrib.methods import task_method
+
 
 if not settings.configured:
     # set the default Django settings module for the 'celery' program.
@@ -21,12 +23,20 @@ class CeleryConfig(AppConfig):
     def ready(self):
         # Using a string here means the worker will not have to
         # pickle the object when using Windows.
-        app.config_from_object('django.conf:settings')
+        app.config_from_object('django.conf:settings', namespace='CELERY')
         app.autodiscover_tasks(lambda: settings.INSTALLED_APPS, force=True)
 
 
-
-
-@app.task(bind=True)
-def debug_task(self):
-    print('Request: {0!r}'.format(self.request))  # pragma: no cover
+def require_instance(model_or_qs, parameter_name):
+    def decorator(function):
+        @functools.wraps(function)
+        def inner(*args, **kwargs):
+            pk = kwargs.pop('_'.join([parameter_name, 'id']))
+            try:
+                instance = model_or_qs.get(pk=pk)
+            except AttributeError:
+                instance = model_or_qs.objects.get(pk=pk)
+            kwargs[parameter_name] = instance
+            return function(*args, **kwargs)
+        return inner
+    return decorator

api/install_os_dependencies.sh

@@ -79,4 +79,3 @@ case "$1" in
     help) usage_message;;
     *) wrong_command $1;;
 esac
-

api/requirements.apt

@@ -7,3 +7,4 @@ libpq-dev
 postgresql-client
 libav-tools
 python3-dev
+curl

api/requirements/base.txt

@@ -24,7 +24,7 @@ django-redis>=4.5,<4.6
 redis>=2.10,<2.11
 
 
-celery>=3.1,<3.2
+celery>=4.1,<4.2
 
 
 # Your custom requirements go here
@@ -33,7 +33,6 @@ musicbrainzngs==0.6
 youtube_dl>=2017.12.14
 djangorestframework>=3.7,<3.8
 djangorestframework-jwt>=1.11,<1.12
-django-celery>=3.2,<3.3
 django-mptt>=0.9,<0.10
 google-api-python-client>=1.6,<1.7
 arrow>=0.12,<0.13
@@ -57,3 +56,4 @@ git+https://github.com/EliotBerriot/PyMemoize.git@django
 git+https://github.com/EliotBerriot/django-cachalot.git@django-2
 
 django-dynamic-preferences>=1.5,<1.6
+pyacoustid>=1.1.5,<1.2

api/tests/conftest.py

@@ -1,6 +1,10 @@
 import tempfile
 import shutil
 import pytest
+from django.core.cache import cache as django_cache
+from dynamic_preferences.registries import global_preferences_registry
+
+from funkwhale_api.taskapp import celery
 
 
 @pytest.fixture(scope="session", autouse=True)
@@ -11,12 +15,23 @@ def factories_autodiscover():
     factories.registry.autodiscover(app_names)
 
 
+@pytest.fixture(autouse=True)
+def cache():
+    yield django_cache
+    django_cache.clear()
+
+
 @pytest.fixture
 def factories(db):
     from funkwhale_api import factories
     yield factories.registry
 
 
+@pytest.fixture
+def preferences(db):
+    yield global_preferences_registry.manager()
+
+
 @pytest.fixture
 def tmpdir():
     d = tempfile.mkdtemp()

api/tests/music/test_api.py

@@ -34,11 +34,11 @@ def test_can_submit_youtube_url_for_track_import(mocker, superuser_client):
     assert track.album.title == 'Marsupial Madness'
 
 
-def test_import_creates_an_import_with_correct_data(superuser_client, settings):
+def test_import_creates_an_import_with_correct_data(mocker, superuser_client):
+    mocker.patch('funkwhale_api.music.tasks.import_job_run')
     mbid = '9968a9d6-8d92-4051-8f76-674e157b6eed'
     video_id = 'tPEE9ZwTmy0'
     url = reverse('api:v1:submit-single')
-    settings.CELERY_ALWAYS_EAGER = False
     response = superuser_client.post(
         url,
         {'import_url': 'https://www.youtube.com/watch?v={0}'.format(video_id),
@@ -54,7 +54,8 @@ def test_import_creates_an_import_with_correct_data(superuser_client, settings):
     assert job.source == 'https://www.youtube.com/watch?v={0}'.format(video_id)
 
 
-def test_can_import_whole_album(mocker, superuser_client, settings):
+def test_can_import_whole_album(mocker, superuser_client):
+    mocker.patch('funkwhale_api.music.tasks.import_job_run')
     mocker.patch(
         'funkwhale_api.musicbrainz.api.artists.get',
         return_value=api_data.artists['get']['soad'])
@@ -82,7 +83,6 @@ def test_can_import_whole_album(mocker, superuser_client, settings):
         ]
     }
     url = reverse('api:v1:submit-album')
-    settings.CELERY_ALWAYS_EAGER = False
     response = superuser_client.post(
         url, json.dumps(payload), content_type="application/json")
 
@@ -109,7 +109,8 @@ def test_can_import_whole_album(mocker, superuser_client, settings):
         assert job.source == row['source']
 
 
-def test_can_import_whole_artist(mocker, superuser_client, settings):
+def test_can_import_whole_artist(mocker, superuser_client):
+    mocker.patch('funkwhale_api.music.tasks.import_job_run')
     mocker.patch(
         'funkwhale_api.musicbrainz.api.artists.get',
         return_value=api_data.artists['get']['soad'])
@@ -142,7 +143,6 @@ def test_can_import_whole_artist(mocker, superuser_client, settings):
         ]
     }
     url = reverse('api:v1:submit-artist')
-    settings.CELERY_ALWAYS_EAGER = False
     response = superuser_client.post(
         url, json.dumps(payload), content_type="application/json")
 

api/tests/music/test_lyrics.py

@@ -4,6 +4,7 @@ from django.urls import reverse
 from funkwhale_api.music import models
 from funkwhale_api.musicbrainz import api
 from funkwhale_api.music import serializers
+from funkwhale_api.music import tasks
 from funkwhale_api.music import lyrics as lyrics_utils
 
 from .mocking import lyricswiki
@@ -18,7 +19,8 @@ def test_works_import_lyrics_if_any(mocker, factories):
     lyrics = factories['music.Lyrics'](
         url='http://lyrics.wikia.com/System_Of_A_Down:Chop_Suey!')
 
-    lyrics.fetch_content()
+    tasks.fetch_content(lyrics_id=lyrics.pk)
+    lyrics.refresh_from_db()
     self.assertIn(
         'Grab a brush and put on a little makeup',
         lyrics.content,

api/tests/music/test_models.py

@@ -2,6 +2,7 @@ import pytest
 
 from funkwhale_api.music import models
 from funkwhale_api.music import importers
+from funkwhale_api.music import tasks
 
 
 def test_can_store_release_group_id_on_album(factories):
@@ -44,6 +45,6 @@ def test_import_job_is_bound_to_track_file(factories, mocker):
     job = factories['music.ImportJob'](mbid=track.mbid)
 
     mocker.patch('funkwhale_api.music.models.TrackFile.download_file')
-    job.run()
+    tasks.import_job_run(import_job_id=job.pk)
     job.refresh_from_db()
     assert job.track_file.track == track

api/tests/music/test_tasks.py

@@ -0,0 +1,42 @@
+from funkwhale_api.providers.acoustid import get_acoustid_client
+
+from funkwhale_api.music import tasks
+
+
+def test_set_acoustid_on_track_file(factories, mocker):
+    track_file = factories['music.TrackFile'](acoustid_track_id=None)
+    id = 'e475bf79-c1ce-4441-bed7-1e33f226c0a2'
+    payload = {
+        'results': [
+            {'id': id,
+             'recordings': [
+                {'artists': [
+                    {'id': '9c6bddde-6228-4d9f-ad0d-03f6fcb19e13',
+                     'name': 'Binärpilot'}],
+                 'duration': 268,
+                 'id': 'f269d497-1cc0-4ae4-a0c4-157ec7d73fcb',
+                 'title': 'Bend'}],
+            'score': 0.860825}],
+        'status': 'ok'
+    }
+    m = mocker.patch('acoustid.match', return_value=payload)
+    r = tasks.set_acoustid_on_track_file(track_file_id=track_file.pk)
+    track_file.refresh_from_db()
+
+    assert str(track_file.acoustid_track_id) == id
+    assert r == id
+    m.assert_called_once_with('', track_file.audio_file.path, parse=False)
+
+
+def test_set_acoustid_on_track_file_required_high_score(factories, mocker):
+    track_file = factories['music.TrackFile'](acoustid_track_id=None)
+    id = 'e475bf79-c1ce-4441-bed7-1e33f226c0a2'
+    payload = {
+        'results': [{'score': 0.79}],
+        'status': 'ok'
+    }
+    m = mocker.patch('acoustid.match', return_value=payload)
+    r = tasks.set_acoustid_on_track_file(track_file_id=track_file.pk)
+    track_file.refresh_from_db()
+
+    assert track_file.acoustid_track_id is None

api/tests/test_acoustid.py

@@ -0,0 +1,34 @@
+from funkwhale_api.providers.acoustid import get_acoustid_client
+
+
+def test_client_is_configured_with_correct_api_key(preferences):
+    api_key = 'hello world'
+    preferences['providers_acoustid__api_key'] = api_key
+
+    client = get_acoustid_client()
+    assert client.api_key == api_key
+
+
+def test_client_returns_raw_results(db, mocker, preferences):
+    api_key = 'test'
+    preferences['providers_acoustid__api_key'] = api_key
+    payload = {
+        'results': [
+            {'id': 'e475bf79-c1ce-4441-bed7-1e33f226c0a2',
+             'recordings': [
+                {'artists': [
+                    {'id': '9c6bddde-6228-4d9f-ad0d-03f6fcb19e13',
+                     'name': 'Binärpilot'}],
+                 'duration': 268,
+                 'id': 'f269d497-1cc0-4ae4-a0c4-157ec7d73fcb',
+                 'title': 'Bend'}],
+           'score': 0.860825}],
+       'status': 'ok'
+    }
+
+    m = mocker.patch('acoustid.match', return_value=payload)
+    client = get_acoustid_client()
+    response = client.match('/tmp/noopfile.mp3')
+
+    assert response == payload
+    m.assert_called_once_with('test', '/tmp/noopfile.mp3', parse=False)

api/tests/test_import_audio_file.py

@@ -1,6 +1,8 @@
-import os
+import acoustid
 import datetime
+import os
 
+from .music import data as api_data
 from funkwhale_api.providers.audiofile import tasks
 
 DATA_DIR = os.path.join(
@@ -9,7 +11,36 @@ DATA_DIR = os.path.join(
 )
 
 
-def test_can_import_single_audio_file(db, mocker):
+def test_import_file_with_acoustid(db, mocker, preferences):
+    mbid = api_data.tracks['get']['8bitadventures']['recording']['id']
+    payload = {
+        'results': [{
+            'id': 'e475bf79-c1ce-4441-bed7-1e33f226c0a2',
+            'recordings': [{'id': mbid}],
+            'score': 0.86
+        }]
+    }
+    path = os.path.join(DATA_DIR, 'dummy_file.ogg')
+    m = mocker.patch('acoustid.match', return_value=payload)
+    mocker.patch(
+        'funkwhale_api.musicbrainz.api.artists.get',
+        return_value=api_data.artists['get']['adhesive_wombat'])
+    mocker.patch(
+        'funkwhale_api.musicbrainz.api.releases.get',
+        return_value=api_data.albums['get']['marsupial'])
+    mocker.patch(
+        'funkwhale_api.musicbrainz.api.recordings.get',
+        return_value=api_data.tracks['get']['8bitadventures'])
+    track_file = tasks.from_path(path)
+    result = payload['results'][0]
+
+    assert track_file.acoustid_track_id == result['id']
+    assert track_file.track.mbid == result['recordings'][0]['id']
+    m.assert_called_once_with('', path, parse=False)
+
+
+def test_can_import_single_audio_file_without_acoustid(db, mocker):
+    mocker.patch('acoustid.match', side_effect=acoustid.WebServiceError('test'))
     metadata = {
         'artist': ['Test artist'],
         'album': ['Test album'],
@@ -20,7 +51,6 @@ def test_can_import_single_audio_file(db, mocker):
         'musicbrainz_trackid': ['bd21ac48-46d8-4e78-925f-d9cc2a294656'],
         'musicbrainz_artistid': ['013c8e5b-d72a-4cd3-8dee-6c64d6125823'],
     }
-
     m1 = mocker.patch('mutagen.File', return_value=metadata)
     m2 = mocker.patch(
         'funkwhale_api.music.metadata.Metadata.get_file_type',

api/tests/test_tasks.py

@@ -0,0 +1,33 @@
+import pytest
+
+from funkwhale_api.taskapp import celery
+
+
+class Dummy:
+    @staticmethod
+    def noop(instance):
+        pass
+
+
+def test_require_instance_decorator(factories, mocker):
+    user = factories['users.User']()
+
+    @celery.require_instance(user.__class__, 'user')
+    def t(user):
+        Dummy.noop(user)
+
+    m = mocker.patch.object(Dummy, 'noop')
+    t(user_id=user.pk)
+
+    m.assert_called_once_with(user)
+
+
+def test_require_instance_decorator_accepts_qs(factories, mocker):
+    user = factories['users.User'](is_active=False)
+    qs = user.__class__.objects.filter(is_active=True)
+
+    @celery.require_instance(qs, 'user')
+    def t(user):
+        pass
+    with pytest.raises(user.__class__.DoesNotExist):
+        t(user_id=user.pk)

dev.yml

@@ -30,7 +30,7 @@ services:
     links:
      - postgres
      - redis
-    command: python manage.py celery worker
+    command: celery -A funkwhale_api.taskapp worker
     environment:
       - "DJANGO_ALLOWED_HOSTS=localhost"
       - "DJANGO_SETTINGS_MODULE=config.settings.local"