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@ -5,45 +5,93 @@
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import io
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import os
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from enum import Enum
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import re
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import shutil
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import tempfile
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import uuid
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from zipfile import ZipFile
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from datetime import datetime
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from tempfile import mkstemp
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import django_rq
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from django.conf import settings
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from django.db import transaction
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from django.utils import timezone
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from rest_framework import serializers, status
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from rest_framework.parsers import JSONParser
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from rest_framework.renderers import JSONRenderer
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from rest_framework.response import Response
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from sendfile import sendfile
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import cvat.apps.dataset_manager as dm
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from cvat.apps.engine import models
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from cvat.apps.engine.log import slogger
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from cvat.apps.engine.serializers import (AttributeSerializer, DataSerializer,
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LabeledDataSerializer, SegmentSerializer, SimpleJobSerializer, TaskSerializer,
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ReviewSerializer, IssueSerializer, CommentSerializer)
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ReviewSerializer, IssueSerializer, CommentSerializer, ProjectSerializer,
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ProjectFileSerializer, TaskFileSerializer)
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from cvat.apps.engine.utils import av_scan_paths
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from cvat.apps.engine.models import StorageChoice, StorageMethodChoice, DataChoice
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from cvat.apps.engine.models import StorageChoice, StorageMethodChoice, DataChoice, Task, Project
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from cvat.apps.engine.task import _create_thread
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from cvat.apps.dataset_manager.views import TASK_CACHE_TTL, PROJECT_CACHE_TTL, get_export_cache_dir, clear_export_cache, log_exception
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from cvat.apps.dataset_manager.bindings import CvatImportError
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class Version(Enum):
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V1 = '1.0'
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class _TaskBackupBase():
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MANIFEST_FILENAME = 'task.json'
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ANNOTATIONS_FILENAME = 'annotations.json'
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DATA_DIRNAME = 'data'
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TASK_DIRNAME = 'task'
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def _get_label_mapping(db_labels):
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label_mapping = {db_label.id: db_label.name for db_label in db_labels}
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for db_label in db_labels:
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label_mapping[db_label.id] = {
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'value': db_label.name,
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'attributes': {},
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}
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for db_attribute in db_label.attributespec_set.all():
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label_mapping[db_label.id]['attributes'][db_attribute.id] = db_attribute.name
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return label_mapping
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class _BackupBase():
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def __init__(self, *args, logger=None, **kwargs):
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super().__init__(*args, **kwargs)
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self._logger = logger
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def _prepare_meta(self, allowed_keys, meta):
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keys_to_drop = set(meta.keys()) - allowed_keys
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if keys_to_drop:
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logger = slogger.task[self._db_task.id] if hasattr(self, '_db_task') else slogger.glob
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logger.warning('the following keys are dropped {}'.format(keys_to_drop))
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if self._logger:
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self._logger.warning('the following keys are dropped {}'.format(keys_to_drop))
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for key in keys_to_drop:
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del meta[key]
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return meta
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def _prepare_label_meta(self, labels):
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allowed_fields = {
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'name',
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'color',
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'attributes',
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}
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return self._prepare_meta(allowed_fields, labels)
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def _prepare_attribute_meta(self, attribute):
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allowed_fields = {
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'name',
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'mutable',
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'input_type',
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'default_value',
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'values',
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}
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return self._prepare_meta(allowed_fields, attribute)
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class _TaskBackupBase(_BackupBase):
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MANIFEST_FILENAME = 'task.json'
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ANNOTATIONS_FILENAME = 'annotations.json'
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DATA_DIRNAME = 'data'
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TASK_DIRNAME = 'task'
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def _prepare_task_meta(self, task):
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allowed_fields = {
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'name',
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@ -80,24 +128,6 @@ class _TaskBackupBase():
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}
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return self._prepare_meta(allowed_fields, job)
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def _prepare_attribute_meta(self, attribute):
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allowed_fields = {
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'name',
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'mutable',
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'input_type',
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'default_value',
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'values',
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}
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return self._prepare_meta(allowed_fields, attribute)
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def _prepare_label_meta(self, labels):
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allowed_fields = {
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'name',
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'color',
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'attributes',
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}
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return self._prepare_meta(allowed_fields, labels)
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def _prepare_annotations(self, annotations, label_mapping):
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allowed_fields = {
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'label',
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@ -190,27 +220,12 @@ class _TaskBackupBase():
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return db_jobs
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return ()
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class TaskExporter(_TaskBackupBase):
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def __init__(self, pk, version=Version.V1):
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self._db_task = models.Task.objects.prefetch_related('data__images').select_related('data__video').get(pk=pk)
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self._db_data = self._db_task.data
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self._version = version
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db_labels = (self._db_task.project if self._db_task.project_id else self._db_task).label_set.all().prefetch_related(
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'attributespec_set')
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self._label_mapping = {}
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self._label_mapping = {db_label.id: db_label.name for db_label in db_labels}
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self._attribute_mapping = {}
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for db_label in db_labels:
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self._label_mapping[db_label.id] = {
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'value': db_label.name,
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'attributes': {},
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}
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for db_attribute in db_label.attributespec_set.all():
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self._label_mapping[db_label.id]['attributes'][db_attribute.id] = db_attribute.name
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class _ExporterBase():
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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def _write_files(self, source_dir, zip_object, files, target_dir):
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@staticmethod
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def _write_files(source_dir, zip_object, files, target_dir):
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for filename in files:
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arcname = os.path.normpath(
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os.path.join(
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@ -233,12 +248,24 @@ class TaskExporter(_TaskBackupBase):
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target_dir=target_dir,
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)
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def _write_data(self, zip_object):
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class TaskExporter(_ExporterBase, _TaskBackupBase):
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def __init__(self, pk, version=Version.V1):
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super().__init__(logger=slogger.task[pk])
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self._db_task = models.Task.objects.prefetch_related('data__images').select_related('data__video').get(pk=pk)
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self._db_data = self._db_task.data
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self._version = version
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db_labels = (self._db_task.project if self._db_task.project_id else self._db_task).label_set.all().prefetch_related(
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'attributespec_set')
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self._label_mapping = _get_label_mapping(db_labels)
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def _write_data(self, zip_object, target_dir=None):
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target_data_dir = os.path.join(target_dir, self.DATA_DIRNAME) if target_dir else self.DATA_DIRNAME
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if self._db_data.storage == StorageChoice.LOCAL:
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self._write_directory(
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source_dir=self._db_data.get_upload_dirname(),
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zip_object=zip_object,
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target_dir=self.DATA_DIRNAME,
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target_dir=target_data_dir,
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)
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elif self._db_data.storage == StorageChoice.SHARE:
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data_dir = settings.SHARE_ROOT
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@ -251,7 +278,7 @@ class TaskExporter(_TaskBackupBase):
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source_dir=data_dir,
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zip_object=zip_object,
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files=media_files,
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target_dir=self.DATA_DIRNAME
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target_dir=target_data_dir,
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)
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upload_dir = self._db_data.get_upload_dirname()
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@ -259,27 +286,26 @@ class TaskExporter(_TaskBackupBase):
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source_dir=upload_dir,
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zip_object=zip_object,
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files=(os.path.join(upload_dir, f) for f in ('manifest.jsonl',)),
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target_dir=self.DATA_DIRNAME
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target_dir=target_data_dir,
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)
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else:
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raise NotImplementedError()
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def _write_task(self, zip_object):
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def _write_task(self, zip_object, target_dir=None):
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task_dir = self._db_task.get_task_dirname()
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target_task_dir = os.path.join(target_dir, self.TASK_DIRNAME) if target_dir else self.TASK_DIRNAME
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self._write_directory(
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source_dir=task_dir,
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zip_object=zip_object,
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target_dir=self.TASK_DIRNAME,
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target_dir=target_task_dir,
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recursive=False,
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)
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def _write_manifest(self, zip_object):
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def _write_manifest(self, zip_object, target_dir=None):
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def serialize_task():
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task_serializer = TaskSerializer(self._db_task)
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task_serializer.fields.pop('url')
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task_serializer.fields.pop('owner')
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task_serializer.fields.pop('assignee')
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task_serializer.fields.pop('segments')
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for field in ('url', 'owner', 'assignee', 'segments'):
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task_serializer.fields.pop(field)
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task = self._prepare_task_meta(task_serializer.data)
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task['labels'] = [self._prepare_label_meta(l) for l in task['labels']]
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@ -317,9 +343,8 @@ class TaskExporter(_TaskBackupBase):
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def serialize_segment(db_segment):
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db_job = db_segment.job_set.first()
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job_serializer = SimpleJobSerializer(db_job)
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job_serializer.fields.pop('url')
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job_serializer.fields.pop('assignee')
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job_serializer.fields.pop('reviewer')
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for field in ('url', 'assignee', 'reviewer'):
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job_serializer.fields.pop(field)
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job_data = self._prepare_job_meta(job_serializer.data)
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segment_serailizer = SegmentSerializer(db_segment)
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@ -348,9 +373,10 @@ class TaskExporter(_TaskBackupBase):
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task['data'] = serialize_data()
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task['jobs'] = serialize_jobs()
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zip_object.writestr(self.MANIFEST_FILENAME, data=JSONRenderer().render(task))
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target_manifest_file = os.path.join(target_dir, self.MANIFEST_FILENAME) if target_dir else self.MANIFEST_FILENAME
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zip_object.writestr(target_manifest_file, data=JSONRenderer().render(task))
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def _write_annotations(self, zip_object):
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def _write_annotations(self, zip_object, target_dir=None):
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def serialize_annotations():
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job_annotations = []
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db_jobs = self._get_db_jobs()
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@ -364,36 +390,35 @@ class TaskExporter(_TaskBackupBase):
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return job_annotations
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annotations = serialize_annotations()
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zip_object.writestr(self.ANNOTATIONS_FILENAME, data=JSONRenderer().render(annotations))
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target_annotations_file = os.path.join(target_dir, self.ANNOTATIONS_FILENAME) if target_dir else self.ANNOTATIONS_FILENAME
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zip_object.writestr(target_annotations_file, data=JSONRenderer().render(annotations))
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def export_to(self, filename):
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def _export_task(self, zip_obj, target_dir=None):
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self._write_data(zip_obj, target_dir)
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self._write_task(zip_obj, target_dir)
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self._write_manifest(zip_obj, target_dir)
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self._write_annotations(zip_obj, target_dir)
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def export_to(self, file, target_dir=None):
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if self._db_task.data.storage_method == StorageMethodChoice.FILE_SYSTEM and \
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self._db_task.data.storage == StorageChoice.SHARE:
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raise Exception('The task cannot be exported because it does not contain any raw data')
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with ZipFile(filename, 'w') as output_file:
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self._write_data(output_file)
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self._write_task(output_file)
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self._write_manifest(output_file)
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self._write_annotations(output_file)
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class TaskImporter(_TaskBackupBase):
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def __init__(self, filename, user_id):
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self._filename = filename
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self._user_id = user_id
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self._manifest, self._annotations = self._read_meta()
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self._version = self._read_version()
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self._labels_mapping = {}
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self._db_task = None
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def _read_meta(self):
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with ZipFile(self._filename, 'r') as input_file:
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manifest = JSONParser().parse(io.BytesIO(input_file.read(self.MANIFEST_FILENAME)))
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annotations = JSONParser().parse(io.BytesIO(input_file.read(self.ANNOTATIONS_FILENAME)))
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if isinstance(file, str):
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with ZipFile(file, 'w') as zf:
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self._export_task(zip_obj=zf, target_dir=target_dir)
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elif isinstance(file, ZipFile):
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self._export_task(zip_obj=file, target_dir=target_dir)
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else:
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raise ValueError('Unsuported type of file argument')
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return manifest, annotations
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class _ImporterBase():
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|
|
|
def __init__(self, *args, **kwargs):
|
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|
|
|
super().__init__(*args, **kwargs)
|
|
|
|
|
|
|
|
|
|
def _read_version(self):
|
|
|
|
|
version = self._manifest.pop('version')
|
|
|
|
|
@staticmethod
|
|
|
|
|
def _read_version(manifest):
|
|
|
|
|
version = manifest.pop('version')
|
|
|
|
|
try:
|
|
|
|
|
return Version(version)
|
|
|
|
|
except ValueError:
|
|
|
|
|
@ -405,13 +430,23 @@ class TaskImporter(_TaskBackupBase):
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if not os.path.exists(target_dir):
|
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|
os.makedirs(target_dir)
|
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|
|
|
|
|
|
def _create_labels(self, db_task, labels):
|
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|
|
|
@staticmethod
|
|
|
|
|
def _create_labels(labels, db_task=None, db_project=None):
|
|
|
|
|
label_mapping = {}
|
|
|
|
|
if db_task:
|
|
|
|
|
label_relation = {
|
|
|
|
|
'task': db_task
|
|
|
|
|
}
|
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|
|
|
else:
|
|
|
|
|
label_relation = {
|
|
|
|
|
'project': db_project
|
|
|
|
|
}
|
|
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|
|
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|
|
|
|
|
|
|
|
|
for label in labels:
|
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|
|
|
label_name = label['name']
|
|
|
|
|
attributes = label.pop('attributes', [])
|
|
|
|
|
db_label = models.Label.objects.create(task=db_task, **label)
|
|
|
|
|
db_label = models.Label.objects.create(**label_relation, **label)
|
|
|
|
|
label_mapping[label_name] = {
|
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|
|
'value': db_label.id,
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|
|
'attributes': {},
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|
@ -426,6 +461,34 @@ class TaskImporter(_TaskBackupBase):
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|
return label_mapping
|
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|
|
|
class TaskImporter(_ImporterBase, _TaskBackupBase):
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|
|
|
|
def __init__(self, file, user_id, project_id=None, subdir=None, label_mapping=None):
|
|
|
|
|
super().__init__(logger=slogger.glob)
|
|
|
|
|
self._file = file
|
|
|
|
|
self._subdir = subdir
|
|
|
|
|
self._user_id = user_id
|
|
|
|
|
self._manifest, self._annotations = self._read_meta()
|
|
|
|
|
self._version = self._read_version(self._manifest)
|
|
|
|
|
self._labels_mapping = label_mapping
|
|
|
|
|
self._db_task = None
|
|
|
|
|
self._project_id=project_id
|
|
|
|
|
|
|
|
|
|
def _read_meta(self):
|
|
|
|
|
def read(zip_object):
|
|
|
|
|
manifest_filename = os.path.join(self._subdir, self.MANIFEST_FILENAME) if self._subdir else self.MANIFEST_FILENAME
|
|
|
|
|
annotations_filename = os.path.join(self._subdir, self.ANNOTATIONS_FILENAME) if self._subdir else self.ANNOTATIONS_FILENAME
|
|
|
|
|
manifest = JSONParser().parse(io.BytesIO(zip_object.read(manifest_filename)))
|
|
|
|
|
annotations = JSONParser().parse(io.BytesIO(zip_object.read(annotations_filename)))
|
|
|
|
|
return manifest, annotations
|
|
|
|
|
|
|
|
|
|
if isinstance(self._file, str):
|
|
|
|
|
with ZipFile(self._file, 'r') as input_file:
|
|
|
|
|
return read(input_file)
|
|
|
|
|
elif isinstance(self._file, ZipFile):
|
|
|
|
|
return read(self._file)
|
|
|
|
|
|
|
|
|
|
raise ValueError('Unsuported type of file argument')
|
|
|
|
|
|
|
|
|
|
def _create_annotations(self, db_job, annotations):
|
|
|
|
|
self._prepare_annotations(annotations, self._labels_mapping)
|
|
|
|
|
|
|
|
|
|
@ -441,7 +504,6 @@ class TaskImporter(_TaskBackupBase):
|
|
|
|
|
return segment_size, overlap
|
|
|
|
|
|
|
|
|
|
def _import_task(self):
|
|
|
|
|
|
|
|
|
|
def _create_comment(comment, db_issue):
|
|
|
|
|
comment['issue'] = db_issue.id
|
|
|
|
|
comment_serializer = CommentSerializer(data=comment)
|
|
|
|
|
@ -476,13 +538,36 @@ class TaskImporter(_TaskBackupBase):
|
|
|
|
|
|
|
|
|
|
return db_review
|
|
|
|
|
|
|
|
|
|
def _write_data(zip_object):
|
|
|
|
|
data_path = self._db_task.data.get_upload_dirname()
|
|
|
|
|
task_dirname = os.path.join(self._subdir, self.TASK_DIRNAME) if self._subdir else self.TASK_DIRNAME
|
|
|
|
|
data_dirname = os.path.join(self._subdir, self.DATA_DIRNAME) if self._subdir else self.DATA_DIRNAME
|
|
|
|
|
uploaded_files = []
|
|
|
|
|
for f in zip_object.namelist():
|
|
|
|
|
if f.endswith(os.path.sep):
|
|
|
|
|
continue
|
|
|
|
|
if f.startswith(data_dirname + os.path.sep):
|
|
|
|
|
target_file = os.path.join(data_path, os.path.relpath(f, data_dirname))
|
|
|
|
|
self._prepare_dirs(target_file)
|
|
|
|
|
with open(target_file, "wb") as out:
|
|
|
|
|
out.write(zip_object.read(f))
|
|
|
|
|
uploaded_files.append(os.path.relpath(f, data_dirname))
|
|
|
|
|
elif f.startswith(task_dirname + os.path.sep):
|
|
|
|
|
target_file = os.path.join(task_path, os.path.relpath(f, task_dirname))
|
|
|
|
|
self._prepare_dirs(target_file)
|
|
|
|
|
with open(target_file, "wb") as out:
|
|
|
|
|
out.write(zip_object.read(f))
|
|
|
|
|
|
|
|
|
|
return uploaded_files
|
|
|
|
|
|
|
|
|
|
data = self._manifest.pop('data')
|
|
|
|
|
labels = self._manifest.pop('labels')
|
|
|
|
|
jobs = self._manifest.pop('jobs')
|
|
|
|
|
|
|
|
|
|
self._prepare_task_meta(self._manifest)
|
|
|
|
|
self._manifest['segment_size'], self._manifest['overlap'] = self._calculate_segment_size(jobs)
|
|
|
|
|
self._manifest["owner_id"] = self._user_id
|
|
|
|
|
self._manifest['owner_id'] = self._user_id
|
|
|
|
|
self._manifest['project_id'] = self._project_id
|
|
|
|
|
|
|
|
|
|
self._db_task = models.Task.objects.create(**self._manifest)
|
|
|
|
|
task_path = self._db_task.get_task_dirname()
|
|
|
|
|
@ -492,7 +577,8 @@ class TaskImporter(_TaskBackupBase):
|
|
|
|
|
os.makedirs(self._db_task.get_task_logs_dirname())
|
|
|
|
|
os.makedirs(self._db_task.get_task_artifacts_dirname())
|
|
|
|
|
|
|
|
|
|
self._labels_mapping = self._create_labels(self._db_task, labels)
|
|
|
|
|
if not self._labels_mapping:
|
|
|
|
|
self._labels_mapping = self._create_labels(db_task=self._db_task, labels=labels)
|
|
|
|
|
|
|
|
|
|
self._prepare_data_meta(data)
|
|
|
|
|
data_serializer = DataSerializer(data=data)
|
|
|
|
|
@ -501,21 +587,11 @@ class TaskImporter(_TaskBackupBase):
|
|
|
|
|
self._db_task.data = db_data
|
|
|
|
|
self._db_task.save()
|
|
|
|
|
|
|
|
|
|
data_path = self._db_task.data.get_upload_dirname()
|
|
|
|
|
uploaded_files = []
|
|
|
|
|
with ZipFile(self._filename, 'r') as input_file:
|
|
|
|
|
for f in input_file.namelist():
|
|
|
|
|
if f.startswith(self.DATA_DIRNAME + os.path.sep):
|
|
|
|
|
target_file = os.path.join(data_path, os.path.relpath(f, self.DATA_DIRNAME))
|
|
|
|
|
self._prepare_dirs(target_file)
|
|
|
|
|
with open(target_file, "wb") as out:
|
|
|
|
|
out.write(input_file.read(f))
|
|
|
|
|
uploaded_files.append(os.path.relpath(f, self.DATA_DIRNAME))
|
|
|
|
|
elif f.startswith(self.TASK_DIRNAME + os.path.sep):
|
|
|
|
|
target_file = os.path.join(task_path, os.path.relpath(f, self.TASK_DIRNAME))
|
|
|
|
|
self._prepare_dirs(target_file)
|
|
|
|
|
with open(target_file, "wb") as out:
|
|
|
|
|
out.write(input_file.read(f))
|
|
|
|
|
if isinstance(self._file, str):
|
|
|
|
|
with ZipFile(self._file, 'r') as zf:
|
|
|
|
|
uploaded_files = _write_data(zf)
|
|
|
|
|
else:
|
|
|
|
|
uploaded_files = _write_data(self._file)
|
|
|
|
|
|
|
|
|
|
data['use_zip_chunks'] = data.pop('chunk_type') == DataChoice.IMAGESET
|
|
|
|
|
data = data_serializer.data
|
|
|
|
|
@ -545,8 +621,301 @@ class TaskImporter(_TaskBackupBase):
|
|
|
|
|
return self._db_task
|
|
|
|
|
|
|
|
|
|
@transaction.atomic
|
|
|
|
|
def import_task(filename, user):
|
|
|
|
|
def _import_task(filename, user):
|
|
|
|
|
av_scan_paths(filename)
|
|
|
|
|
task_importer = TaskImporter(filename, user)
|
|
|
|
|
db_task = task_importer.import_task()
|
|
|
|
|
return db_task.id
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class _ProjectBackupBase(_BackupBase):
|
|
|
|
|
MANIFEST_FILENAME = 'project.json'
|
|
|
|
|
TASKNAME_TEMPLATE = 'task_{}'
|
|
|
|
|
|
|
|
|
|
def _prepare_project_meta(self, project):
|
|
|
|
|
allowed_fields = {
|
|
|
|
|
'bug_tracker',
|
|
|
|
|
'deimension',
|
|
|
|
|
'labels',
|
|
|
|
|
'name',
|
|
|
|
|
'status',
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return self._prepare_meta(allowed_fields, project)
|
|
|
|
|
|
|
|
|
|
class ProjectExporter(_ExporterBase, _ProjectBackupBase):
|
|
|
|
|
def __init__(self, pk, version=Version.V1):
|
|
|
|
|
super().__init__(logger=slogger.project[pk])
|
|
|
|
|
self._db_project = models.Project.objects.prefetch_related('tasks').get(pk=pk)
|
|
|
|
|
self._version = version
|
|
|
|
|
|
|
|
|
|
db_labels = self._db_project.label_set.all().prefetch_related('attributespec_set')
|
|
|
|
|
self._label_mapping = _get_label_mapping(db_labels)
|
|
|
|
|
|
|
|
|
|
def _write_tasks(self, zip_object):
|
|
|
|
|
for idx, db_task in enumerate(self._db_project.tasks.all().order_by('id')):
|
|
|
|
|
TaskExporter(db_task.id, self._version).export_to(zip_object, self.TASKNAME_TEMPLATE.format(idx))
|
|
|
|
|
|
|
|
|
|
def _write_manifest(self, zip_object):
|
|
|
|
|
def serialize_project():
|
|
|
|
|
project_serializer = ProjectSerializer(self._db_project)
|
|
|
|
|
for field in ('assignee', 'owner', 'tasks', 'training_project', 'url'):
|
|
|
|
|
project_serializer.fields.pop(field)
|
|
|
|
|
|
|
|
|
|
project = self._prepare_project_meta(project_serializer.data)
|
|
|
|
|
project['labels'] = [self._prepare_label_meta(l) for l in project['labels']]
|
|
|
|
|
for label in project['labels']:
|
|
|
|
|
label['attributes'] = [self._prepare_attribute_meta(a) for a in label['attributes']]
|
|
|
|
|
|
|
|
|
|
return project
|
|
|
|
|
|
|
|
|
|
project = serialize_project()
|
|
|
|
|
project['version'] = self._version.value
|
|
|
|
|
|
|
|
|
|
zip_object.writestr(self.MANIFEST_FILENAME, data=JSONRenderer().render(project))
|
|
|
|
|
|
|
|
|
|
def export_to(self, filename):
|
|
|
|
|
with ZipFile(filename, 'w') as output_file:
|
|
|
|
|
self._write_tasks(output_file)
|
|
|
|
|
self._write_manifest(output_file)
|
|
|
|
|
|
|
|
|
|
class ProjectImporter(_ImporterBase, _ProjectBackupBase):
|
|
|
|
|
TASKNAME_RE = 'task_(\d+)/'
|
|
|
|
|
|
|
|
|
|
def __init__(self, filename, user_id):
|
|
|
|
|
super().__init__(logger=slogger.glob)
|
|
|
|
|
self._filename = filename
|
|
|
|
|
self._user_id = user_id
|
|
|
|
|
self._manifest = self._read_meta()
|
|
|
|
|
self._version = self._read_version(self._manifest)
|
|
|
|
|
self._db_project = None
|
|
|
|
|
self._labels_mapping = {}
|
|
|
|
|
|
|
|
|
|
def _read_meta(self):
|
|
|
|
|
with ZipFile(self._filename, 'r') as input_file:
|
|
|
|
|
manifest = JSONParser().parse(io.BytesIO(input_file.read(self.MANIFEST_FILENAME)))
|
|
|
|
|
|
|
|
|
|
return manifest
|
|
|
|
|
|
|
|
|
|
def _import_project(self):
|
|
|
|
|
labels = self._manifest.pop('labels')
|
|
|
|
|
|
|
|
|
|
self._prepare_project_meta(self._manifest)
|
|
|
|
|
self._manifest["owner_id"] = self._user_id
|
|
|
|
|
|
|
|
|
|
self._db_project = models.Project.objects.create(**self._manifest)
|
|
|
|
|
project_path = self._db_project.get_project_dirname()
|
|
|
|
|
if os.path.isdir(project_path):
|
|
|
|
|
shutil.rmtree(project_path)
|
|
|
|
|
os.makedirs(self._db_project.get_project_logs_dirname())
|
|
|
|
|
|
|
|
|
|
self._labels_mapping = self._create_labels(db_project=self._db_project, labels=labels)
|
|
|
|
|
|
|
|
|
|
def _import_tasks(self):
|
|
|
|
|
def get_tasks(zip_object):
|
|
|
|
|
tasks = {}
|
|
|
|
|
for fname in zip_object.namelist():
|
|
|
|
|
m = re.match(self.TASKNAME_RE, fname)
|
|
|
|
|
if m:
|
|
|
|
|
tasks[int(m.group(1))] = m.group(0)
|
|
|
|
|
return [v for _, v in sorted(tasks.items())]
|
|
|
|
|
|
|
|
|
|
with ZipFile(self._filename, 'r') as zf:
|
|
|
|
|
task_dirs = get_tasks(zf)
|
|
|
|
|
for task_dir in task_dirs:
|
|
|
|
|
TaskImporter(
|
|
|
|
|
file=zf,
|
|
|
|
|
user_id=self._user_id,
|
|
|
|
|
project_id=self._db_project.id,
|
|
|
|
|
subdir=task_dir,
|
|
|
|
|
label_mapping=self._labels_mapping).import_task()
|
|
|
|
|
|
|
|
|
|
def import_project(self):
|
|
|
|
|
self._import_project()
|
|
|
|
|
self._import_tasks()
|
|
|
|
|
|
|
|
|
|
return self._db_project
|
|
|
|
|
|
|
|
|
|
@transaction.atomic
|
|
|
|
|
def _import_project(filename, user):
|
|
|
|
|
av_scan_paths(filename)
|
|
|
|
|
project_importer = ProjectImporter(filename, user)
|
|
|
|
|
db_project = project_importer.import_project()
|
|
|
|
|
return db_project.id
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def _create_backup(db_instance, Exporter, output_path, logger, cache_ttl):
|
|
|
|
|
try:
|
|
|
|
|
cache_dir = get_export_cache_dir(db_instance)
|
|
|
|
|
output_path = os.path.join(cache_dir, output_path)
|
|
|
|
|
|
|
|
|
|
instance_time = timezone.localtime(db_instance.updated_date).timestamp()
|
|
|
|
|
if not (os.path.exists(output_path) and \
|
|
|
|
|
instance_time <= os.path.getmtime(output_path)):
|
|
|
|
|
os.makedirs(cache_dir, exist_ok=True)
|
|
|
|
|
with tempfile.TemporaryDirectory(dir=cache_dir) as temp_dir:
|
|
|
|
|
temp_file = os.path.join(temp_dir, 'dump')
|
|
|
|
|
exporter = Exporter(db_instance.id)
|
|
|
|
|
exporter.export_to(temp_file)
|
|
|
|
|
os.replace(temp_file, output_path)
|
|
|
|
|
|
|
|
|
|
archive_ctime = os.path.getctime(output_path)
|
|
|
|
|
scheduler = django_rq.get_scheduler()
|
|
|
|
|
cleaning_job = scheduler.enqueue_in(time_delta=cache_ttl,
|
|
|
|
|
func=clear_export_cache,
|
|
|
|
|
file_path=output_path,
|
|
|
|
|
file_ctime=archive_ctime,
|
|
|
|
|
logger=logger)
|
|
|
|
|
logger.info(
|
|
|
|
|
"The {} '{}' is backuped at '{}' "
|
|
|
|
|
"and available for downloading for the next {}. "
|
|
|
|
|
"Export cache cleaning job is enqueued, id '{}'".format(
|
|
|
|
|
"project" if isinstance(db_instance, Project) else 'task',
|
|
|
|
|
db_instance.name, output_path, cache_ttl,
|
|
|
|
|
cleaning_job.id))
|
|
|
|
|
|
|
|
|
|
return output_path
|
|
|
|
|
except Exception:
|
|
|
|
|
log_exception(logger)
|
|
|
|
|
raise
|
|
|
|
|
|
|
|
|
|
def export(db_instance, request):
|
|
|
|
|
action = request.query_params.get('action', None)
|
|
|
|
|
if action not in (None, 'download'):
|
|
|
|
|
raise serializers.ValidationError(
|
|
|
|
|
"Unexpected action specified for the request")
|
|
|
|
|
|
|
|
|
|
if isinstance(db_instance, Task):
|
|
|
|
|
filename_prefix = 'task'
|
|
|
|
|
logger = slogger.task[db_instance.pk]
|
|
|
|
|
Exporter = TaskExporter
|
|
|
|
|
cache_ttl = TASK_CACHE_TTL
|
|
|
|
|
elif isinstance(db_instance, Project):
|
|
|
|
|
filename_prefix = 'project'
|
|
|
|
|
logger = slogger.project[db_instance.pk]
|
|
|
|
|
Exporter = ProjectExporter
|
|
|
|
|
cache_ttl = PROJECT_CACHE_TTL
|
|
|
|
|
else:
|
|
|
|
|
raise Exception(
|
|
|
|
|
"Unexpected type of db_isntance: {}".format(type(db_instance)))
|
|
|
|
|
|
|
|
|
|
queue = django_rq.get_queue("default")
|
|
|
|
|
rq_id = "/api/v1/{}s/{}/backup".format(filename_prefix, db_instance.pk)
|
|
|
|
|
rq_job = queue.fetch_job(rq_id)
|
|
|
|
|
if rq_job:
|
|
|
|
|
last_project_update_time = timezone.localtime(db_instance.updated_date)
|
|
|
|
|
request_time = rq_job.meta.get('request_time', None)
|
|
|
|
|
if request_time is None or request_time < last_project_update_time:
|
|
|
|
|
rq_job.cancel()
|
|
|
|
|
rq_job.delete()
|
|
|
|
|
else:
|
|
|
|
|
if rq_job.is_finished:
|
|
|
|
|
file_path = rq_job.return_value
|
|
|
|
|
if action == "download" and os.path.exists(file_path):
|
|
|
|
|
rq_job.delete()
|
|
|
|
|
|
|
|
|
|
timestamp = datetime.strftime(last_project_update_time,
|
|
|
|
|
"%Y_%m_%d_%H_%M_%S")
|
|
|
|
|
filename = "{}_{}_backup_{}{}".format(
|
|
|
|
|
filename_prefix, db_instance.name, timestamp,
|
|
|
|
|
os.path.splitext(file_path)[1])
|
|
|
|
|
return sendfile(request, file_path, attachment=True,
|
|
|
|
|
attachment_filename=filename.lower())
|
|
|
|
|
else:
|
|
|
|
|
if os.path.exists(file_path):
|
|
|
|
|
return Response(status=status.HTTP_201_CREATED)
|
|
|
|
|
elif rq_job.is_failed:
|
|
|
|
|
exc_info = str(rq_job.exc_info)
|
|
|
|
|
rq_job.delete()
|
|
|
|
|
return Response(exc_info,
|
|
|
|
|
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
|
|
|
|
|
else:
|
|
|
|
|
return Response(status=status.HTTP_202_ACCEPTED)
|
|
|
|
|
|
|
|
|
|
ttl = dm.views.PROJECT_CACHE_TTL.total_seconds()
|
|
|
|
|
queue.enqueue_call(
|
|
|
|
|
func=_create_backup,
|
|
|
|
|
args=(db_instance, Exporter, '{}_backup.zip'.format(filename_prefix), logger, cache_ttl),
|
|
|
|
|
job_id=rq_id,
|
|
|
|
|
meta={ 'request_time': timezone.localtime() },
|
|
|
|
|
result_ttl=ttl, failure_ttl=ttl)
|
|
|
|
|
return Response(status=status.HTTP_202_ACCEPTED)
|
|
|
|
|
|
|
|
|
|
def _import(importer, request, rq_id, Serializer, file_field_name):
|
|
|
|
|
queue = django_rq.get_queue("default")
|
|
|
|
|
rq_job = queue.fetch_job(rq_id)
|
|
|
|
|
|
|
|
|
|
if not rq_job:
|
|
|
|
|
serializer = Serializer(data=request.data)
|
|
|
|
|
serializer.is_valid(raise_exception=True)
|
|
|
|
|
payload_file = serializer.validated_data[file_field_name]
|
|
|
|
|
fd, filename = mkstemp(prefix='cvat_')
|
|
|
|
|
with open(filename, 'wb+') as f:
|
|
|
|
|
for chunk in payload_file.chunks():
|
|
|
|
|
f.write(chunk)
|
|
|
|
|
rq_job = queue.enqueue_call(
|
|
|
|
|
func=importer,
|
|
|
|
|
args=(filename, request.user.id),
|
|
|
|
|
job_id=rq_id,
|
|
|
|
|
meta={
|
|
|
|
|
'tmp_file': filename,
|
|
|
|
|
'tmp_file_descriptor': fd,
|
|
|
|
|
},
|
|
|
|
|
)
|
|
|
|
|
else:
|
|
|
|
|
if rq_job.is_finished:
|
|
|
|
|
project_id = rq_job.return_value
|
|
|
|
|
os.close(rq_job.meta['tmp_file_descriptor'])
|
|
|
|
|
os.remove(rq_job.meta['tmp_file'])
|
|
|
|
|
rq_job.delete()
|
|
|
|
|
return Response({'id': project_id}, status=status.HTTP_201_CREATED)
|
|
|
|
|
elif rq_job.is_failed:
|
|
|
|
|
os.close(rq_job.meta['tmp_file_descriptor'])
|
|
|
|
|
os.remove(rq_job.meta['tmp_file'])
|
|
|
|
|
exc_info = str(rq_job.exc_info)
|
|
|
|
|
rq_job.delete()
|
|
|
|
|
|
|
|
|
|
# RQ adds a prefix with exception class name
|
|
|
|
|
import_error_prefix = '{}.{}'.format(
|
|
|
|
|
CvatImportError.__module__, CvatImportError.__name__)
|
|
|
|
|
if exc_info.startswith(import_error_prefix):
|
|
|
|
|
exc_info = exc_info.replace(import_error_prefix + ': ', '')
|
|
|
|
|
return Response(data=exc_info,
|
|
|
|
|
status=status.HTTP_400_BAD_REQUEST)
|
|
|
|
|
else:
|
|
|
|
|
return Response(data=exc_info,
|
|
|
|
|
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
|
|
|
|
|
|
|
|
|
|
return Response({'rq_id': rq_id}, status=status.HTTP_202_ACCEPTED)
|
|
|
|
|
|
|
|
|
|
def import_project(request):
|
|
|
|
|
if 'rq_id' in request.data:
|
|
|
|
|
rq_id = request.data['rq_id']
|
|
|
|
|
else:
|
|
|
|
|
rq_id = "{}@/api/v1/projects/{}/import".format(request.user, uuid.uuid4())
|
|
|
|
|
Serializer = ProjectFileSerializer
|
|
|
|
|
file_field_name = 'project_file'
|
|
|
|
|
|
|
|
|
|
return _import(
|
|
|
|
|
importer=_import_project,
|
|
|
|
|
request=request,
|
|
|
|
|
rq_id=rq_id,
|
|
|
|
|
Serializer=Serializer,
|
|
|
|
|
file_field_name=file_field_name,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
def import_task(request):
|
|
|
|
|
if 'rq_id' in request.data:
|
|
|
|
|
rq_id = request.data['rq_id']
|
|
|
|
|
else:
|
|
|
|
|
rq_id = "{}@/api/v1/tasks/{}/import".format(request.user, uuid.uuid4())
|
|
|
|
|
Serializer = TaskFileSerializer
|
|
|
|
|
file_field_name = 'task_file'
|
|
|
|
|
|
|
|
|
|
return _import(
|
|
|
|
|
importer=_import_task,
|
|
|
|
|
request=request,
|
|
|
|
|
rq_id=rq_id,
|
|
|
|
|
Serializer=Serializer,
|
|
|
|
|
file_field_name=file_field_name,
|
|
|
|
|
)
|
|
|
|
|
|
Andrey Zhavoronkov
4 years ago
committed by
GitHub