Separate data export app

Pipfile

@@ -60,6 +60,6 @@ python_version = "3.8"
 isort = "isort api -c --skip migrations"
 flake8 = "flake8 --filename \"*.py\" --extend-exclude \"server,api/migrations,api/views/__init__.py,authentification,api/apps.py\""
 wait_for_db = "python manage.py wait_for_db"
-test = "python manage.py test api.tests roles.tests members.tests metrics.tests users.tests data_import.tests"
+test = "python manage.py test api.tests roles.tests members.tests metrics.tests users.tests data_import.tests data_export.tests"
 migrate = "python manage.py migrate"
 collectstatic = "python manage.py collectstatic --noinput"

backend/api/tests/test_serializers.py

@@ -1,19 +0,0 @@
-# from django.test import TestCase
-#
-# from ..models import SEQUENCE_LABELING, Label
-# from ..serializers import LabelSerializer
-# from .api.utils import prepare_project
-
-# class TestLabelSerializer(TestCase):
-#
-#     def test_create_label(self):
-#         project = prepare_project(SEQUENCE_LABELING)
-#         data = {
-#             'text': 'example',
-#             'task_type': 'Span'
-#         }
-#         serializer = LabelSerializer(data=data)
-#         serializer.is_valid()
-#         label = serializer.save(project=project.item)
-#         created = Label.objects.get(pk=label.id)
-#         self.assertEqual(label, created)

backend/api/urls.py

@@ -1,20 +1,10 @@
 from django.urls import include, path
 
 from .views import (annotation, auto_labeling, comment, example, example_state,
-                    export_dataset, health, label, project, tag, task)
+                    health, label, project, tag, task)
 from .views.tasks import category, relation, span, text
 
 urlpatterns_project = [
-    path(
-        route='download-format',
-        view=export_dataset.DownloadDatasetCatalog.as_view(),
-        name='download-format'
-    ),
-    path(
-        route='download',
-        view=export_dataset.DownloadAPI.as_view(),
-        name='download-dataset'
-    ),
     path(
         route='category-types',
         view=label.CategoryTypeList.as_view(),

backend/app/settings.py

@@ -57,6 +57,7 @@ INSTALLED_APPS = [
     'metrics.apps.MetricsConfig',
     'users.apps.UsersConfig',
     'data_import.apps.DataImportConfig',
+    'data_export.apps.DataExportConfig',
     'rest_framework',
     'rest_framework.authtoken',
     'django_filters',

backend/app/urls.py

@@ -44,6 +44,7 @@ urlpatterns += [
     path('v1/', include('roles.urls')),
     path('v1/', include('users.urls')),
     path('v1/', include('data_import.urls')),
+    path('v1/', include('data_export.urls')),
     path('v1/projects/<int:project_id>/', include('members.urls')),
     path('v1/projects/<int:project_id>/metrics/', include('metrics.urls')),
     path('swagger/', schema_view.with_ui('swagger', cache_timeout=0), name='schema-swagger-ui'),

backend/data_export/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class DataExportConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'data_export'

backend/api/celery_tasks.py → backend/data_export/celery_tasks.py

@@ -3,18 +3,18 @@ from celery.utils.log import get_task_logger
 from django.conf import settings
 from django.shortcuts import get_object_or_404
 
-from .models import Project
-from .views.download.factory import create_repository, create_writer
-from .views.download.service import ExportApplicationService
+from api.models import Project
+from .pipeline.factories import create_repository, create_writer
+from .pipeline.services import ExportApplicationService
 
 logger = get_task_logger(__name__)
 
 
 @shared_task
-def export_dataset(project_id, format: str, export_approved=False):
+def export_dataset(project_id, file_format: str, export_approved=False):
     project = get_object_or_404(Project, pk=project_id)
     repository = create_repository(project)
-    writer = create_writer(format)(settings.MEDIA_ROOT)
+    writer = create_writer(file_format)(settings.MEDIA_ROOT)
     service = ExportApplicationService(repository, writer)
     filepath = service.export(export_approved)
     return filepath

backend/api/views/download/catalog.py → backend/data_export/pipeline/catalog.py

@@ -4,9 +4,9 @@ from typing import Dict, List, Type
 from pydantic import BaseModel
 from typing_extensions import Literal
 
-from ...models import (DOCUMENT_CLASSIFICATION, IMAGE_CLASSIFICATION,
-                       INTENT_DETECTION_AND_SLOT_FILLING, SEQ2SEQ,
-                       SEQUENCE_LABELING, SPEECH2TEXT)
+from api.models import (DOCUMENT_CLASSIFICATION, IMAGE_CLASSIFICATION,
+                        INTENT_DETECTION_AND_SLOT_FILLING, SEQ2SEQ,
+                        SEQUENCE_LABELING, SPEECH2TEXT)
 from . import examples
 
 

backend/api/views/download/factory.py → backend/data_export/pipeline/factories.py

@@ -1,9 +1,9 @@
 from typing import Type
 
-from ...models import (DOCUMENT_CLASSIFICATION, IMAGE_CLASSIFICATION,
-                       INTENT_DETECTION_AND_SLOT_FILLING, SEQ2SEQ,
-                       SEQUENCE_LABELING, SPEECH2TEXT)
-from . import catalog, repositories, writer
+from api.models import (DOCUMENT_CLASSIFICATION, IMAGE_CLASSIFICATION,
+                        INTENT_DETECTION_AND_SLOT_FILLING, SEQ2SEQ,
+                        SEQUENCE_LABELING, SPEECH2TEXT)
+from . import catalog, repositories, writers
 
 
 def create_repository(project) -> repositories.BaseRepository:
@@ -21,14 +21,14 @@ def create_repository(project) -> repositories.BaseRepository:
     return repository
 
 
-def create_writer(format: str) -> Type[writer.BaseWriter]:
+def create_writer(file_format: str) -> Type[writers.BaseWriter]:
     mapping = {
-        catalog.CSV.name: writer.CsvWriter,
-        catalog.JSON.name: writer.JSONWriter,
-        catalog.JSONL.name: writer.JSONLWriter,
-        catalog.FastText.name: writer.FastTextWriter,
-        catalog.IntentAndSlot.name: writer.IntentAndSlotWriter
+        catalog.CSV.name: writers.CsvWriter,
+        catalog.JSON.name: writers.JSONWriter,
+        catalog.JSONL.name: writers.JSONLWriter,
+        catalog.FastText.name: writers.FastTextWriter,
+        catalog.IntentAndSlot.name: writers.IntentAndSlotWriter
     }
-    if format not in mapping:
-        ValueError(f'Invalid format: {format}')
-    return mapping[format]
+    if file_format not in mapping:
+        ValueError(f'Invalid format: {file_format}')
+    return mapping[file_format]

backend/api/views/download/repositories.py → backend/data_export/pipeline/repositories.py

@@ -3,7 +3,7 @@ import itertools
 from collections import defaultdict
 from typing import Dict, Iterator, List
 
-from ...models import Example, Project
+from api.models import Example, Project
 from .data import Record
 
 

backend/api/views/download/service.py → backend/data_export/pipeline/services.py

@@ -1,5 +1,5 @@
 from .repositories import BaseRepository
-from .writer import BaseWriter
+from .writers import BaseWriter
 
 
 class ExportApplicationService:

backend/api/tests/download/test_repositories.py → backend/data_export/tests/test_repositories.py

@@ -2,9 +2,9 @@ import unittest
 
 from model_mommy import mommy
 
-from ...models import INTENT_DETECTION_AND_SLOT_FILLING
-from ...views.download.repositories import IntentDetectionSlotFillingRepository
-from ..api.utils import prepare_project
+from api.models import INTENT_DETECTION_AND_SLOT_FILLING
+from api.tests.api.utils import prepare_project
+from ..pipeline.repositories import IntentDetectionSlotFillingRepository
 
 
 class TestCSVWriter(unittest.TestCase):

backend/api/tests/api/test_download.py → backend/data_export/tests/test_views.py

@@ -1,8 +1,8 @@
 from rest_framework import status
 from rest_framework.reverse import reverse
 
-from ...models import DOCUMENT_CLASSIFICATION
-from .utils import CRUDMixin, prepare_project
+from api.models import DOCUMENT_CLASSIFICATION
+from api.tests.api.utils import CRUDMixin, prepare_project
 
 
 class TestDownloadCatalog(CRUDMixin):

backend/api/tests/download/test_writer.py → backend/data_export/tests/test_writer.py

@@ -2,8 +2,8 @@ import json
 import unittest
 from unittest.mock import call, patch
 
-from ...views.download.data import Record
-from ...views.download.writer import CsvWriter, IntentAndSlotWriter
+from ..pipeline.data import Record
+from ..pipeline.writers import CsvWriter, IntentAndSlotWriter
 
 
 class TestCSVWriter(unittest.TestCase):

backend/data_export/urls.py

@@ -0,0 +1,16 @@
+from django.urls import path
+
+from .views import DatasetCatalog, DatasetExportAPI
+
+urlpatterns = [
+    path(
+        route='projects/<int:project_id>/download-format',
+        view=DatasetCatalog.as_view(),
+        name='download-format'
+    ),
+    path(
+        route='projects/<int:project_id>/download',
+        view=DatasetExportAPI.as_view(),
+        name='download-dataset'
+    ),
+]

backend/api/views/export_dataset.py → backend/data_export/views.py

@@ -6,14 +6,13 @@ from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
 from rest_framework.views import APIView
 
+from api.models import Project
 from members.permissions import IsProjectAdmin
+from .celery_tasks import export_dataset
+from .pipeline.catalog import Options
 
-from ..celery_tasks import export_dataset
-from ..models import Project
-from .download.catalog import Options
 
-
-class DownloadDatasetCatalog(APIView):
+class DatasetCatalog(APIView):
     permission_classes = [IsAuthenticated & IsProjectAdmin]
 
     def get(self, request, *args, **kwargs):
@@ -23,7 +22,7 @@ class DownloadDatasetCatalog(APIView):
         return Response(data=options, status=status.HTTP_200_OK)
 
 
-class DownloadAPI(APIView):
+class DatasetExportAPI(APIView):
     permission_classes = [IsAuthenticated & IsProjectAdmin]
 
     def get(self, request, *args, **kwargs):
@@ -37,11 +36,11 @@ class DownloadAPI(APIView):
 
     def post(self, request, *args, **kwargs):
         project_id = self.kwargs['project_id']
-        format = request.data.pop('format')
+        file_format = request.data.pop('format')
         export_approved = request.data.pop('exportApproved', False)
         task = export_dataset.delay(
             project_id=project_id,
-            format=format,
+            file_format=file_format,
             export_approved=export_approved,
             **request.data
         )