Exemple #1
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    def do_provider(self, loc):
        provider = loc.provider
        base_url = loc.url
        datafile, replica = generate_datafile("1/1/3", self.dataset, "Hi mum")
        self.assertEquals(replica.verify(allowEmptyChecksums=True), True)
        target_replica = Replica()
        target_replica.datafile = datafile
        target_replica.location = loc
        url = provider.generate_url(target_replica)
        self.assertEquals(url, base_url + '1/1/3')
        target_replica.url = url
        provider.put_file(replica, target_replica)

        self.assertEqual(replica.location.provider.get_file(replica).read(), 
                         "Hi mum")
        self.assertEqual(provider.get_file(target_replica).read(), "Hi mum")

        self.assertEqual(provider.get_length(target_replica), 6)

        try:
            self.maxDiff = None
            self.assertEqual(provider.get_metadata(target_replica),
                             {'sha512sum' : '2274cc8c16503e3d182ffaa835c543b' +
                              'ce278bc8fc971f3bf38b94b4d9db44cd89c8f36d4006e' +
                              '5abea29bc05f7f0ea662cb4b0e805e56bbce97f00f94e' +
                              'a6e6498', 
                              'md5sum' : '3b6b51114c3d0ad347e20b8e79765951',
                              'length' : '6'})
        except NotImplementedError:
            pass
            
        provider.remove_file(target_replica)
        with self.assertRaises(TransferError):
            provider.get_length(target_replica)
Exemple #2
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def create_staging_datafile(filepath, username, dataset_id):
    dataset = Dataset.objects.get(id=dataset_id)

    url, size = get_staging_url_and_size(username, filepath)
    datafile = Dataset_File(dataset=dataset,
                            filename=path.basename(filepath),
                            size=size)
    replica = Replica(datafile=datafile,
                      protocol='staging',
                      url=url,
                      location=Location.get_location('staging'))
    replica.verify(allowEmptyChecksums=True)
    datafile.save()
    replica.datafile = datafile
    replica.save()
    def testMirror(self):
        dest = Location.get_location('test')
        datafile, replica = generate_datafile(None, self.dataset, "Hi granny")
        path = datafile.get_absolute_filepath()
        self.assertTrue(os.path.exists(path))
        dummy_replica = Replica()
        dummy_replica.datafile = datafile
        dummy_replica.location = Location.objects.get(name='test')
        dummy_replica.url = dummy_replica.generate_default_url()

        with self.assertRaises(TransferError):
            dest.provider.get_length(dummy_replica)

        self.assertTrue(migrate_replica(replica, dest, mirror=True))
        datafile = Dataset_File.objects.get(id=datafile.id)
        self.assertTrue(datafile.is_local())
        self.assertEquals(dest.provider.get_length(dummy_replica), 9)
Exemple #4
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    def testMirror(self):
        dest = Location.get_location('test')
        datafile, replica = generate_datafile(None, self.dataset, "Hi granny")
        path = datafile.get_absolute_filepath()
        self.assertTrue(os.path.exists(path))
        dummy_replica = Replica()
        dummy_replica.datafile = datafile
        dummy_replica.location = Location.objects.get(name='test')
        dummy_replica.url = dummy_replica.generate_default_url()

        with self.assertRaises(TransferError):
            dest.provider.get_length(dummy_replica)

        self.assertTrue(migrate_replica(replica, dest, mirror=True))
        datafile = Dataset_File.objects.get(id=datafile.id)
        self.assertTrue(datafile.is_local())
        self.assertEquals(dest.provider.get_length(dummy_replica), 9)
Exemple #5
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def create_staging_datafile(filepath, username, dataset_id):
    from tardis.tardis_portal.models import Dataset_File, Dataset, Replica, \
        Location
    dataset = Dataset.objects.get(id=dataset_id)

    url, size = get_staging_url_and_size(username, filepath)
    datafile = Dataset_File(dataset=dataset,
                            filename=path.basename(filepath),
                            size=size)
    replica = Replica(datafile=datafile,
                      protocol='staging',
                      url=url,
                      location=Location.get_location('staging'))
    replica.verify(allowEmptyChecksums=True)
    datafile.save()
    replica.datafile = datafile
    replica.save()
Exemple #6
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def _create_datafile():
    user = User.objects.create_user("testuser", "*****@*****.**", "pwd")
    user.save()
    UserProfile(user=user).save()

    Location.force_initialize()

    full_access = Experiment.PUBLIC_ACCESS_FULL
    experiment = Experiment.objects.create(title="IIIF Test", created_by=user, public_access=full_access)
    experiment.save()
    ObjectACL(
        content_object=experiment,
        pluginId="django_user",
        entityId=str(user.id),
        isOwner=True,
        canRead=True,
        canWrite=True,
        canDelete=True,
        aclOwnershipType=ObjectACL.OWNER_OWNED,
    ).save()
    dataset = Dataset()
    dataset.save()
    dataset.experiments.add(experiment)
    dataset.save()

    # Create new Datafile
    tempfile = TemporaryUploadedFile("iiif_stored_file", None, None, None)
    with Image(filename="magick:rose") as img:
        img.format = "tiff"
        img.save(file=tempfile.file)
        tempfile.file.flush()
    datafile = Dataset_File(dataset=dataset, size=os.path.getsize(tempfile.file.name), filename="iiif_named_file")
    replica = Replica(
        datafile=datafile,
        url=write_uploaded_file_to_dataset(dataset, tempfile),
        location=Location.get_default_location(),
    )
    replica.verify(allowEmptyChecksums=True)
    datafile.save()
    replica.datafile = datafile
    replica.save()
    return datafile
Exemple #7
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def _create_datafile():
    user = User.objects.create_user('testuser', '*****@*****.**', 'pwd')
    user.save()
    UserProfile(user=user).save()

    Location.force_initialize()

    full_access = Experiment.PUBLIC_ACCESS_FULL
    experiment = Experiment.objects.create(title="IIIF Test",
                                           created_by=user,
                                           public_access=full_access)
    experiment.save()
    ObjectACL(content_object=experiment,
              pluginId='django_user',
              entityId=str(user.id),
              isOwner=True,
              canRead=True,
              canWrite=True,
              canDelete=True,
              aclOwnershipType=ObjectACL.OWNER_OWNED).save()
    dataset = Dataset()
    dataset.save()
    dataset.experiments.add(experiment)
    dataset.save()

    # Create new Datafile
    tempfile = TemporaryUploadedFile('iiif_stored_file', None, None, None)
    with Image(filename='magick:rose') as img:
        img.format = 'tiff'
        img.save(file=tempfile.file)
        tempfile.file.flush()
    datafile = Dataset_File(dataset=dataset,
                            size=os.path.getsize(tempfile.file.name),
                            filename='iiif_named_file')
    replica = Replica(datafile=datafile,
                      url=write_uploaded_file_to_dataset(dataset, tempfile),
                      location=Location.get_default_location())
    replica.verify(allowEmptyChecksums=True)
    datafile.save()
    replica.datafile = datafile
    replica.save()
    return datafile
Exemple #8
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def fpupload(request, dataset_id):
    """
    Uploads all files picked by filepicker to the dataset

    :param request: a HTTP Request instance
    :type request: :class:`django.http.HttpRequest`
    :param dataset_id: the dataset_id
    :type dataset_id: integer
    :returns: boolean true if successful
    :rtype: bool
    """

    dataset = Dataset.objects.get(id=dataset_id)
    logger.debug('called fpupload')

    if request.method == 'POST':
        logger.debug('got POST')
        for key, val in request.POST.items():
            splits = val.split(",")
            for url in splits:
                try:
                    fp = FilepickerFile(url)
                except ValueError:
                    pass
                else:
                    picked_file = fp.get_file()
                    filepath = write_uploaded_file_to_dataset(dataset,
                                                              picked_file)
                    datafile = Dataset_File(dataset=dataset,
                                            filename=picked_file.name,
                                            size=picked_file.size)
                    replica = Replica(datafile=datafile,
                                      url=filepath,
                                      protocol='',
                                      location=Location.get_default_location())
                    replica.verify(allowEmptyChecksums=True)
                    datafile.save()
                    replica.datafile = datafile
                    replica.save()

    return HttpResponse(json.dumps({"result": True}))
Exemple #9
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def fpupload(request, dataset_id):
    """
    Uploads all files picked by filepicker to the dataset

    :param request: a HTTP Request instance
    :type request: :class:`django.http.HttpRequest`
    :param dataset_id: the dataset_id
    :type dataset_id: integer
    :returns: boolean true if successful
    :rtype: bool
    """

    dataset = Dataset.objects.get(id=dataset_id)
    logger.debug('called fpupload')

    if request.method == 'POST':
        logger.debug('got POST')
        for key, val in request.POST.items():
            splits = val.split(",")
            for url in splits:
                try:
                    fp = FilepickerFile(url)
                except ValueError:
                    pass
                else:
                    picked_file = fp.get_file()
                    filepath = write_uploaded_file_to_dataset(
                        dataset, picked_file)
                    datafile = Dataset_File(dataset=dataset,
                                            filename=picked_file.name,
                                            size=picked_file.size)
                    replica = Replica(datafile=datafile,
                                      url=filepath,
                                      protocol='',
                                      location=Location.get_default_location())
                    replica.verify(allowEmptyChecksums=True)
                    datafile.save()
                    replica.datafile = datafile
                    replica.save()

    return HttpResponse(json.dumps({"result": True}))
Exemple #10
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    def do_provider(self, loc):
        provider = loc.provider
        base_url = loc.url
        datafile, replica = generate_datafile("1/1/3", self.dataset, "Hi mum")
        self.assertEquals(replica.verify(allowEmptyChecksums=True), True)
        target_replica = Replica()
        target_replica.datafile = datafile
        target_replica.location = loc
        url = provider.generate_url(target_replica)
        self.assertEquals(url, base_url + '1/1/3')
        target_replica.url = url
        provider.put_file(replica, target_replica)

        self.assertEqual(
            replica.location.provider.get_file(replica).read(), "Hi mum")
        self.assertEqual(provider.get_file(target_replica).read(), "Hi mum")

        self.assertEqual(provider.get_length(target_replica), 6)

        try:
            self.maxDiff = None
            self.assertEqual(
                provider.get_metadata(target_replica), {
                    'sha512sum':
                    '2274cc8c16503e3d182ffaa835c543b' +
                    'ce278bc8fc971f3bf38b94b4d9db44cd89c8f36d4006e' +
                    '5abea29bc05f7f0ea662cb4b0e805e56bbce97f00f94e' +
                    'a6e6498',
                    'md5sum':
                    '3b6b51114c3d0ad347e20b8e79765951',
                    'length':
                    '6'
                })
        except NotImplementedError:
            pass

        provider.remove_file(target_replica)
        with self.assertRaises(TransferError):
            provider.get_length(target_replica)
Exemple #11
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def migrate_replica(replica, location, noRemove=False, mirror=False):
    """
    Migrate the replica to a different storage location.  The overall
    effect will be that the datafile will be stored at the new location and 
    removed from the current location, and the datafile metadata will be
    updated to reflect this.
    """

    from tardis.tardis_portal.models import Replica, Location

    with transaction.commit_on_success():
        replica = Replica.objects.select_for_update().get(pk=replica.pk)
        source = Location.get_location(replica.location.name)
        
        if not replica.verified or location.provider.trust_length:
            raise MigrationError('Only verified datafiles can be migrated' \
                                     ' to this destination')
        
        filename = replica.get_absolute_filepath()
        try:
            newreplica = Replica.objects.get(datafile=replica.datafile,
                                             location=location)
            created_replica = False
            # We've most likely mirrored this file previously.  But if
            # we are about to delete the source Replica, we need to check
            # that the target Replica still verifies.
            if not mirror and not check_file_transferred(newreplica, location):
                raise MigrationError('Previously mirrored / migrated Replica' \
                                         ' no longer verifies locally!')
        except Replica.DoesNotExist:
            newreplica = Replica()
            newreplica.location = location
            newreplica.datafile = replica.datafile
            newreplica.protocol = ''
            newreplica.stay_remote = location != Location.get_default_location()
            newreplica.verified = False
            url = location.provider.generate_url(newreplica)
            
            if newreplica.url == url:
                # We should get here ...
                raise MigrationError('Cannot migrate a replica to its' \
                                         ' current location')
            newreplica.url = url
            location.provider.put_file(replica, newreplica) 
            verified = False
            try:
                verified = check_file_transferred(newreplica, location)
            except:
                # FIXME - should we always do this?
                location.provider.remove_file(newreplica)
                raise
            
            newreplica.verified = verified
            newreplica.save()
            logger.info('Transferred file %s for replica %s' %
                        (filename, replica.id))
            created_replica = True
        
        if mirror:
            return created_replica

        # FIXME - do this more reliably ...
        replica.delete()
        if not noRemove:
            source.provider.remove_file(replica)
            logger.info('Removed local file %s for replica %s' %
                        (filename, replica.id))
        return True
Exemple #12
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def migrate_replica(replica, location, noRemove=False, mirror=False):
    """
    Migrate the replica to a different storage location.  The overall
    effect will be that the datafile will be stored at the new location and
    removed from the current location, and the datafile metadata will be
    updated to reflect this.
    """

    from tardis.tardis_portal.models import Replica, Location

    with transaction.commit_on_success():
        replica = Replica.objects.select_for_update().get(pk=replica.pk)
        source = Location.get_location(replica.location.name)

        if not replica.verified or location.provider.trust_length:
            raise MigrationError('Only verified datafiles can be migrated' \
                                     ' to this destination')

        filename = replica.get_absolute_filepath()
        try:
            newreplica = Replica.objects.get(datafile=replica.datafile,
                                             location=location)
            created_replica = False
            # We've most likely mirrored this file previously.  But if
            # we are about to delete the source Replica, we need to check
            # that the target Replica still verifies.
            if not mirror and not check_file_transferred(newreplica, location):
                raise MigrationError('Previously mirrored / migrated Replica' \
                                         ' no longer verifies locally!')
        except Replica.DoesNotExist:
            newreplica = Replica()
            newreplica.location = location
            newreplica.datafile = replica.datafile
            newreplica.protocol = ''
            newreplica.stay_remote = location != Location.get_default_location(
            )
            newreplica.verified = False
            url = location.provider.generate_url(newreplica)

            if newreplica.url == url:
                # We should get here ...
                raise MigrationError('Cannot migrate a replica to its' \
                                         ' current location')
            newreplica.url = url
            location.provider.put_file(replica, newreplica)
            verified = False
            try:
                verified = check_file_transferred(newreplica, location)
            except:
                # FIXME - should we always do this?
                location.provider.remove_file(newreplica)
                raise

            newreplica.verified = verified
            newreplica.save()
            logger.info('Transferred file %s for replica %s' %
                        (filename, replica.id))
            created_replica = True

        if mirror:
            return created_replica

        # FIXME - do this more reliably ...
        replica.delete()
        if not noRemove:
            source.provider.remove_file(replica)
            logger.info('Removed local file %s for replica %s' %
                        (filename, replica.id))
        return True