def write_database(self, instance, version, representations):
        """Write version and representations to database

        Should write version documents until files collecting passed
        without error.

        """
        # Write version
        #
        self.log.info("Registering version {} to database ..."
                      "".format(version["name"]))

        if "pregeneratedVersionId" in instance.data:
            version["_id"] = instance.data["pregeneratedVersionId"]

        version_id = io.insert_one(version).inserted_id

        # Write representations
        #
        self.log.info("Registering {} representations ..."
                      "".format(len(representations)))
        for representation in representations:
            representation["parent"] = version_id

        io.insert_many(representations)

        return version_id
    def register(self, instance):
        # Required environment variables
        anatomy_data = instance.data["anatomyData"]

        io.install()

        context = instance.context

        project_entity = instance.data["projectEntity"]

        context_asset_name = context.data["assetEntity"]["name"]

        asset_name = instance.data["asset"]
        asset_entity = instance.data.get("assetEntity")
        if not asset_entity or asset_entity["name"] != context_asset_name:
            asset_entity = io.find_one({
                "type": "asset",
                "name": asset_name,
                "parent": project_entity["_id"]
            })
            assert asset_entity, (
                "No asset found by the name \"{0}\" in project \"{1}\""
            ).format(asset_name, project_entity["name"])

            instance.data["assetEntity"] = asset_entity

            # update anatomy data with asset specific keys
            # - name should already been set
            hierarchy = ""
            parents = asset_entity["data"]["parents"]
            if parents:
                hierarchy = "/".join(parents)
            anatomy_data["hierarchy"] = hierarchy

        task_name = instance.data.get("task")
        if task_name:
            anatomy_data["task"] = task_name

        anatomy_data["family"] = instance.data.get("family")

        stagingdir = instance.data.get("stagingDir")
        if not stagingdir:
            self.log.info(
                ("{0} is missing reference to staging directory."
                 " Will try to get it from representation.").format(instance))

        else:
            self.log.debug(
                "Establishing staging directory @ {0}".format(stagingdir))

        # Ensure at least one file is set up for transfer in staging dir.
        repres = instance.data.get("representations")
        assert repres, "Instance has no files to transfer"
        assert isinstance(
            repres,
            (list,
             tuple)), ("Instance 'files' must be a list, got: {0} {1}".format(
                 str(type(repres)), str(repres)))

        subset = self.get_subset(asset_entity, instance)
        instance.data["subsetEntity"] = subset

        version_number = instance.data["version"]
        self.log.debug("Next version: v{}".format(version_number))

        version_data = self.create_version_data(context, instance)

        version_data_instance = instance.data.get('versionData')
        if version_data_instance:
            version_data.update(version_data_instance)

        # TODO rename method from `create_version` to
        # `prepare_version` or similar...
        version = self.create_version(subset=subset,
                                      version_number=version_number,
                                      data=version_data)

        self.log.debug("Creating version ...")

        new_repre_names_low = [_repre["name"].lower() for _repre in repres]

        existing_version = io.find_one({
            'type': 'version',
            'parent': subset["_id"],
            'name': version_number
        })

        if existing_version is None:
            version_id = io.insert_one(version).inserted_id
        else:
            # Check if instance have set `append` mode which cause that
            # only replicated representations are set to archive
            append_repres = instance.data.get("append", False)

            # Update version data
            # TODO query by _id and
            io.update_many(
                {
                    'type': 'version',
                    'parent': subset["_id"],
                    'name': version_number
                }, {'$set': version})
            version_id = existing_version['_id']

            # Find representations of existing version and archive them
            current_repres = list(
                io.find({
                    "type": "representation",
                    "parent": version_id
                }))
            bulk_writes = []
            for repre in current_repres:
                if append_repres:
                    # archive only duplicated representations
                    if repre["name"].lower() not in new_repre_names_low:
                        continue
                # Representation must change type,
                # `_id` must be stored to other key and replaced with new
                # - that is because new representations should have same ID
                repre_id = repre["_id"]
                bulk_writes.append(DeleteOne({"_id": repre_id}))

                repre["orig_id"] = repre_id
                repre["_id"] = io.ObjectId()
                repre["type"] = "archived_representation"
                bulk_writes.append(InsertOne(repre))

            # bulk updates
            if bulk_writes:
                io._database[io.Session["AVALON_PROJECT"]].bulk_write(
                    bulk_writes)

        version = io.find_one({"_id": version_id})
        instance.data["versionEntity"] = version

        existing_repres = list(
            io.find({
                "parent": version_id,
                "type": "archived_representation"
            }))

        instance.data['version'] = version['name']

        intent_value = instance.context.data.get("intent")
        if intent_value and isinstance(intent_value, dict):
            intent_value = intent_value.get("value")

        if intent_value:
            anatomy_data["intent"] = intent_value

        anatomy = instance.context.data['anatomy']

        # Find the representations to transfer amongst the files
        # Each should be a single representation (as such, a single extension)
        representations = []
        destination_list = []

        if 'transfers' not in instance.data:
            instance.data['transfers'] = []

        template_name = self.template_name_from_instance(instance)

        published_representations = {}
        for idx, repre in enumerate(instance.data["representations"]):
            published_files = []

            # create template data for Anatomy
            template_data = copy.deepcopy(anatomy_data)
            if intent_value is not None:
                template_data["intent"] = intent_value

            resolution_width = repre.get("resolutionWidth")
            resolution_height = repre.get("resolutionHeight")
            fps = instance.data.get("fps")

            if resolution_width:
                template_data["resolution_width"] = resolution_width
            if resolution_width:
                template_data["resolution_height"] = resolution_height
            if resolution_width:
                template_data["fps"] = fps

            files = repre['files']
            if repre.get('stagingDir'):
                stagingdir = repre['stagingDir']

            if repre.get("outputName"):
                template_data["output"] = repre['outputName']

            template = os.path.normpath(
                anatomy.templates[template_name]["path"])

            sequence_repre = isinstance(files, list)
            repre_context = None
            if sequence_repre:
                self.log.debug("files: {}".format(files))
                src_collections, remainder = clique.assemble(files)
                self.log.debug("src_tail_collections: {}".format(
                    str(src_collections)))
                src_collection = src_collections[0]

                # Assert that each member has identical suffix
                src_head = src_collection.format("{head}")
                src_tail = src_collection.format("{tail}")

                # fix dst_padding
                valid_files = [x for x in files if src_collection.match(x)]
                padd_len = len(valid_files[0].replace(src_head, "").replace(
                    src_tail, ""))
                src_padding_exp = "%0{}d".format(padd_len)

                test_dest_files = list()
                for i in [1, 2]:
                    template_data["representation"] = repre['ext']
                    template_data["frame"] = src_padding_exp % i
                    anatomy_filled = anatomy.format(template_data)
                    template_filled = anatomy_filled[template_name]["path"]
                    if repre_context is None:
                        repre_context = template_filled.used_values
                    test_dest_files.append(os.path.normpath(template_filled))
                template_data["frame"] = repre_context["frame"]

                self.log.debug("test_dest_files: {}".format(
                    str(test_dest_files)))

                dst_collections, remainder = clique.assemble(test_dest_files)
                dst_collection = dst_collections[0]
                dst_head = dst_collection.format("{head}")
                dst_tail = dst_collection.format("{tail}")

                index_frame_start = None

                if repre.get("frameStart"):
                    frame_start_padding = int(anatomy.templates["render"].get(
                        "frame_padding",
                        anatomy.templates["render"].get("padding")))

                    index_frame_start = int(repre.get("frameStart"))

                # exception for slate workflow
                if index_frame_start and "slate" in instance.data["families"]:
                    index_frame_start -= 1

                dst_padding_exp = src_padding_exp
                dst_start_frame = None
                for i in src_collection.indexes:
                    # TODO 1.) do not count padding in each index iteration
                    # 2.) do not count dst_padding from src_padding before
                    #   index_frame_start check
                    src_padding = src_padding_exp % i

                    src_file_name = "{0}{1}{2}".format(src_head, src_padding,
                                                       src_tail)

                    dst_padding = src_padding_exp % i

                    if index_frame_start:
                        dst_padding_exp = "%0{}d".format(frame_start_padding)
                        dst_padding = dst_padding_exp % index_frame_start
                        index_frame_start += 1

                    dst = "{0}{1}{2}".format(dst_head, dst_padding,
                                             dst_tail).replace("..", ".")

                    self.log.debug("destination: `{}`".format(dst))
                    src = os.path.join(stagingdir, src_file_name)

                    self.log.debug("source: {}".format(src))
                    instance.data["transfers"].append([src, dst])

                    published_files.append(dst)

                    # for adding first frame into db
                    if not dst_start_frame:
                        dst_start_frame = dst_padding

                # Store used frame value to template data
                template_data["frame"] = dst_start_frame
                dst = "{0}{1}{2}".format(dst_head, dst_start_frame,
                                         dst_tail).replace("..", ".")
                repre['published_path'] = dst

            else:
                # Single file
                #  _______
                # |      |\
                # |       |
                # |       |
                # |       |
                # |_______|
                #
                template_data.pop("frame", None)
                fname = files
                assert not os.path.isabs(fname), (
                    "Given file name is a full path")

                template_data["representation"] = repre['ext']

                src = os.path.join(stagingdir, fname)
                anatomy_filled = anatomy.format(template_data)
                template_filled = anatomy_filled[template_name]["path"]
                repre_context = template_filled.used_values
                dst = os.path.normpath(template_filled).replace("..", ".")

                instance.data["transfers"].append([src, dst])

                published_files.append(dst)
                repre['published_path'] = dst
                self.log.debug("__ dst: {}".format(dst))

            repre["publishedFiles"] = published_files

            for key in self.db_representation_context_keys:
                value = template_data.get(key)
                if not value:
                    continue
                repre_context[key] = template_data[key]

            # Use previous representation's id if there are any
            repre_id = None
            repre_name_low = repre["name"].lower()
            for _repre in existing_repres:
                # NOTE should we check lowered names?
                if repre_name_low == _repre["name"]:
                    repre_id = _repre["orig_id"]
                    break

            # Create new id if existing representations does not match
            if repre_id is None:
                repre_id = io.ObjectId()

            representation = {
                "_id": repre_id,
                "schema": "pype:representation-2.0",
                "type": "representation",
                "parent": version_id,
                "name": repre['name'],
                "data": {
                    'path': dst,
                    'template': template
                },
                "dependencies": instance.data.get("dependencies", "").split(),

                # Imprint shortcut to context
                # for performance reasons.
                "context": repre_context
            }

            if repre.get("outputName"):
                representation["context"]["output"] = repre['outputName']

            if sequence_repre and repre.get("frameStart"):
                representation['context']['frame'] = (
                    dst_padding_exp % int(repre.get("frameStart")))

            self.log.debug("__ representation: {}".format(representation))
            destination_list.append(dst)
            self.log.debug("__ destination_list: {}".format(destination_list))
            instance.data['destination_list'] = destination_list
            representations.append(representation)
            published_representations[repre_id] = {
                "representation": representation,
                "anatomy_data": template_data,
                "published_files": published_files
            }
            self.log.debug("__ representations: {}".format(representations))

        # Remove old representations if there are any (before insertion of new)
        if existing_repres:
            repre_ids_to_remove = []
            for repre in existing_repres:
                repre_ids_to_remove.append(repre["_id"])
            io.delete_many({"_id": {"$in": repre_ids_to_remove}})

        self.log.debug("__ representations: {}".format(representations))
        for rep in instance.data["representations"]:
            self.log.debug("__ represNAME: {}".format(rep['name']))
            self.log.debug("__ represPATH: {}".format(rep['published_path']))
        io.insert_many(representations)
        instance.data["published_representations"] = (
            published_representations)
        # self.log.debug("Representation: {}".format(representations))
        self.log.info("Registered {} items".format(len(representations)))
    def register(self, instance):

        # Required environment variables
        PROJECT = api.Session["AVALON_PROJECT"]
        ASSET = instance.data.get("asset") or api.Session["AVALON_ASSET"]
        LOCATION = api.Session["AVALON_LOCATION"]

        context = instance.context
        # Atomicity
        #
        # Guarantee atomic publishes - each asset contains
        # an identical set of members.
        #     __
        #    /     o
        #   /       \
        #  |    o    |
        #   \       /
        #    o   __/
        #
        assert all(result["success"] for result in context.data["results"]), (
            "Atomicity not held, aborting.")

        # Assemble
        #
        #       |
        #       v
        #  --->   <----
        #       ^
        #       |
        #
        stagingdir = instance.data.get("stagingDir")
        assert stagingdir, ("Incomplete instance \"%s\": "
                            "Missing reference to staging area." % instance)

        # extra check if stagingDir actually exists and is available

        self.log.debug("Establishing staging directory @ %s" % stagingdir)

        project = io.find_one({"type": "project"})

        asset = io.find_one({
            "type": "asset",
            "name": ASSET,
            "parent": project["_id"]
        })

        assert all([project, asset]), ("Could not find current project or "
                                       "asset '%s'" % ASSET)

        subset = self.get_subset(asset, instance)

        # get next version
        latest_version = io.find_one(
            {
                "type": "version",
                "parent": subset["_id"]
            }, {"name": True},
            sort=[("name", -1)])

        next_version = 1
        if latest_version is not None:
            next_version += latest_version["name"]

        self.log.info("Verifying version from assumed destination")

        assumed_data = instance.data["assumedTemplateData"]
        assumed_version = assumed_data["version"]
        if assumed_version != next_version:
            raise AttributeError("Assumed version 'v{0:03d}' does not match"
                                 "next version in database "
                                 "('v{1:03d}')".format(assumed_version,
                                                       next_version))

        if instance.data.get('version'):
            next_version = int(instance.data.get('version'))

        self.log.debug("Next version: v{0:03d}".format(next_version))

        version_data = self.create_version_data(context, instance)
        version = self.create_version(subset=subset,
                                      version_number=next_version,
                                      locations=[LOCATION],
                                      data=version_data)

        self.log.debug("Creating version ...")
        version_id = io.insert_one(version).inserted_id

        # Write to disk
        #          _
        #         | |
        #        _| |_
        #    ____\   /
        #   |\    \ / \
        #   \ \    v   \
        #    \ \________.
        #     \|________|
        #
        root = api.registered_root()
        hierarchy = ""
        parents = io.find_one({
            "type": 'asset',
            "name": ASSET
        })['data']['parents']
        if parents and len(parents) > 0:
            # hierarchy = os.path.sep.join(hierarchy)
            hierarchy = os.path.join(*parents)

        template_data = {
            "root": root,
            "project": {
                "name": PROJECT,
                "code": project['data']['code']
            },
            "silo": asset['silo'],
            "task": api.Session["AVALON_TASK"],
            "asset": ASSET,
            "family": instance.data['family'],
            "subset": subset["name"],
            "version": int(version["name"]),
            "hierarchy": hierarchy
        }

        # template_publish = project["config"]["template"]["publish"]
        anatomy = instance.context.data['anatomy']

        # Find the representations to transfer amongst the files
        # Each should be a single representation (as such, a single extension)
        representations = []
        destination_list = []

        for files in instance.data["files"]:
            # Collection
            #   _______
            #  |______|\
            # |      |\|
            # |       ||
            # |       ||
            # |       ||
            # |_______|
            #
            if isinstance(files, list):

                src_collections, remainder = clique.assemble(files)
                src_collection = src_collections[0]
                # Assert that each member has identical suffix
                src_head = src_collection.format("{head}")
                src_tail = ext = src_collection.format("{tail}")

                test_dest_files = list()
                for i in [1, 2]:
                    template_data["representation"] = src_tail[1:]
                    template_data["frame"] = src_collection.format(
                        "{padding}") % i
                    anatomy_filled = anatomy.format(template_data)
                    test_dest_files.append(anatomy_filled.render.path)

                dst_collections, remainder = clique.assemble(test_dest_files)
                dst_collection = dst_collections[0]
                dst_head = dst_collection.format("{head}")
                dst_tail = dst_collection.format("{tail}")

                for i in src_collection.indexes:
                    src_padding = src_collection.format("{padding}") % i
                    src_file_name = "{0}{1}{2}".format(src_head, src_padding,
                                                       src_tail)
                    dst_padding = dst_collection.format("{padding}") % i
                    dst = "{0}{1}{2}".format(dst_head, dst_padding, dst_tail)

                    src = os.path.join(stagingdir, src_file_name)
                    instance.data["transfers"].append([src, dst])

            else:
                # Single file
                #  _______
                # |      |\
                # |       |
                # |       |
                # |       |
                # |_______|
                #

                template_data.pop("frame", None)
                anatomy.pop("frame", None)

                fname = files

                self.log.info("fname: {}".format(fname))

                assert not os.path.isabs(fname), (
                    "Given file name is a full path")
                _, ext = os.path.splitext(fname)

                template_data["representation"] = ext[1:]

                src = os.path.join(stagingdir, fname)

                anatomy_filled = anatomy.format(template_data)
                dst = anatomy_filled.render.path

                instance.data["transfers"].append([src, dst])

            template_data["frame"] = "#####"
            anatomy_filled = anatomy.format(template_data)
            path_to_save = anatomy_filled.render.path
            template = anatomy.render.fullpath
            self.log.debug('ext[1:]: {}'.format(ext[1:]))

            representation = {
                "schema": "pype:representation-2.0",
                "type": "representation",
                "parent": version_id,
                "name": ext[1:],
                "data": {
                    'path': path_to_save,
                    'template': template
                },
                "dependencies": instance.data.get("dependencies", "").split(),

                # Imprint shortcut to context
                # for performance reasons.
                "context": {
                    "root": root,
                    "project": {
                        "name": PROJECT,
                        "code": project['data']['code']
                    },
                    "task": api.Session["AVALON_TASK"],
                    "silo": asset['silo'],
                    "asset": ASSET,
                    "family": instance.data['family'],
                    "subset": subset["name"],
                    "version": int(version["name"]),
                    "hierarchy": hierarchy,
                    "representation": ext[1:]
                }
            }

            destination_list.append(dst)
            instance.data['destination_list'] = destination_list
            representations.append(representation)

        self.log.info("Registering {} items".format(len(representations)))
        io.insert_many(representations)
    def register(self, instance):

        # Required environment variables
        PROJECT = api.Session["AVALON_PROJECT"]
        ASSET = instance.data.get("asset") or api.Session["AVALON_ASSET"]
        LOCATION = api.Session["AVALON_LOCATION"]

        context = instance.context
        # Atomicity
        #
        # Guarantee atomic publishes - each asset contains
        # an identical set of members.
        #     __
        #    /     o
        #   /       \
        #  |    o    |
        #   \       /
        #    o   __/
        #
        assert all(result["success"] for result in context.data["results"]), (
            "Atomicity not held, aborting.")

        # Assemble
        #
        #       |
        #       v
        #  --->   <----
        #       ^
        #       |
        #
        stagingdir = instance.data.get("stagingDir")
        assert stagingdir, ("Incomplete instance \"%s\": "
                            "Missing reference to staging area." % instance)

        # extra check if stagingDir actually exists and is available

        self.log.debug("Establishing staging directory @ %s" % stagingdir)

        project = io.find_one({"type": "project"},
                              projection={"config.template.publish": True})

        asset = io.find_one({
            "type": "asset",
            "name": ASSET,
            "parent": project["_id"]
        })

        assert all([project, asset]), ("Could not find current project or "
                                       "asset '%s'" % ASSET)

        subset = self.get_subset(asset, instance)

        # get next version
        latest_version = io.find_one(
            {
                "type": "version",
                "parent": subset["_id"]
            }, {"name": True},
            sort=[("name", -1)])

        next_version = 1
        if latest_version is not None:
            next_version += latest_version["name"]

        self.log.info("Verifying version from assumed destination")

        assumed_data = instance.data["assumedTemplateData"]
        assumed_version = assumed_data["version"]
        if assumed_version != next_version:
            raise AttributeError("Assumed version 'v{0:03d}' does not match"
                                 "next version in database "
                                 "('v{1:03d}')".format(assumed_version,
                                                       next_version))

        self.log.debug("Next version: v{0:03d}".format(next_version))

        version_data = self.create_version_data(context, instance)
        version = self.create_version(subset=subset,
                                      version_number=next_version,
                                      locations=[LOCATION],
                                      data=version_data)

        self.log.debug("Creating version ...")
        version_id = io.insert_one(version).inserted_id

        # Write to disk
        #          _
        #         | |
        #        _| |_
        #    ____\   /
        #   |\    \ / \
        #   \ \    v   \
        #    \ \________.
        #     \|________|
        #
        root = api.registered_root()
        template_data = {
            "root": root,
            "project": PROJECT,
            "silo": asset['silo'],
            "asset": ASSET,
            "subset": subset["name"],
            "version": version["name"]
        }

        template_publish = project["config"]["template"]["publish"]

        # Find the representations to transfer amongst the files
        # Each should be a single representation (as such, a single extension)
        representations = []

        for files in instance.data["files"]:

            # Collection
            #   _______
            #  |______|\
            # |      |\|
            # |       ||
            # |       ||
            # |       ||
            # |_______|
            #
            if isinstance(files, list):
                collection = files
                # Assert that each member has identical suffix
                _, ext = os.path.splitext(collection[0])
                assert all(ext == os.path.splitext(name)[1]
                           for name in collection), (
                               "Files had varying suffixes, this is a bug")

                assert not any(os.path.isabs(name) for name in collection)

                template_data["representation"] = ext[1:]

                for fname in collection:

                    src = os.path.join(stagingdir, fname)
                    dst = os.path.join(
                        template_publish.format(**template_data), fname)

                    instance.data["transfers"].append([src, dst])

            else:
                # Single file
                #  _______
                # |      |\
                # |       |
                # |       |
                # |       |
                # |_______|
                #
                fname = files
                assert not os.path.isabs(fname), (
                    "Given file name is a full path")
                _, ext = os.path.splitext(fname)

                template_data["representation"] = ext[1:]

                src = os.path.join(stagingdir, fname)
                dst = template_publish.format(**template_data)

                instance.data["transfers"].append([src, dst])

            representation = {
                "schema": "avalon-core:representation-2.0",
                "type": "representation",
                "parent": version_id,
                "name": ext[1:],
                "data": {},
                "dependencies": instance.data.get("dependencies", "").split(),

                # Imprint shortcut to context
                # for performance reasons.
                "context": {
                    "project": PROJECT,
                    "asset": ASSET,
                    "silo": asset['silo'],
                    "subset": subset["name"],
                    "version": version["name"],
                    "representation": ext[1:]
                }
            }
            representations.append(representation)

        self.log.info("Registering {} items".format(len(representations)))

        io.insert_many(representations)
Exemple #5
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    def register(self, instance):
        # Required environment variables
        PROJECT = api.Session["AVALON_PROJECT"]
        ASSET = instance.data.get("asset") or api.Session["AVALON_ASSET"]
        TASK = instance.data.get("task") or api.Session["AVALON_TASK"]
        LOCATION = api.Session["AVALON_LOCATION"]

        context = instance.context
        # Atomicity
        #
        # Guarantee atomic publishes - each asset contains
        # an identical set of members.
        #     __
        #    /     o
        #   /       \
        #  |    o    |
        #   \       /
        #    o   __/
        #
        # for result in context.data["results"]:
        #     if not result["success"]:
        #         self.log.debug(result)
        #         exc_type, exc_value, exc_traceback = result["error_info"]
        #         extracted_traceback = traceback.extract_tb(exc_traceback)[-1]
        #         self.log.debug(
        #             "Error at line {}: \"{}\"".format(
        #                 extracted_traceback[1], result["error"]
        #             )
        #         )
        # assert all(result["success"] for result in context.data["results"]),(
        #     "Atomicity not held, aborting.")

        # Assemble
        #
        #       |
        #       v
        #  --->   <----
        #       ^
        #       |
        #
        stagingdir = instance.data.get("stagingDir")
        if not stagingdir:
            self.log.info('''{} is missing reference to staging
                            directory Will try to get it from
                            representation'''.format(instance))

        # extra check if stagingDir actually exists and is available

        self.log.debug("Establishing staging directory @ %s" % stagingdir)

        # Ensure at least one file is set up for transfer in staging dir.
        repres = instance.data.get("representations", None)
        assert repres, "Instance has no files to transfer"
        assert isinstance(repres, (list, tuple)), (
            "Instance 'files' must be a list, got: {0}".format(repres))

        # FIXME: io is not initialized at this point for shell host
        io.install()
        project = io.find_one({"type": "project"})

        asset = io.find_one({
            "type": "asset",
            "name": ASSET,
            "parent": project["_id"]
        })

        assert all([project, asset]), ("Could not find current project or "
                                       "asset '%s'" % ASSET)

        subset = self.get_subset(asset, instance)

        # get next version
        latest_version = io.find_one(
            {
                "type": "version",
                "parent": subset["_id"]
            }, {"name": True},
            sort=[("name", -1)])

        next_version = 1
        if latest_version is not None:
            next_version += latest_version["name"]

        if instance.data.get('version'):
            next_version = int(instance.data.get('version'))

        # self.log.info("Verifying version from assumed destination")

        # assumed_data = instance.data["assumedTemplateData"]
        # assumed_version = assumed_data["version"]
        # if assumed_version != next_version:
        #     raise AttributeError("Assumed version 'v{0:03d}' does not match"
        #                          "next version in database "
        #                          "('v{1:03d}')".format(assumed_version,
        #                                                next_version))

        self.log.debug("Next version: v{0:03d}".format(next_version))

        version_data = self.create_version_data(context, instance)

        version_data_instance = instance.data.get('versionData')

        if version_data_instance:
            version_data.update(version_data_instance)

        version = self.create_version(subset=subset,
                                      version_number=next_version,
                                      locations=[LOCATION],
                                      data=version_data)

        self.log.debug("Creating version ...")
        existing_version = io.find_one({
            'type': 'version',
            'parent': subset["_id"],
            'name': next_version
        })
        if existing_version is None:
            version_id = io.insert_one(version).inserted_id
        else:
            io.update_many(
                {
                    'type': 'version',
                    'parent': subset["_id"],
                    'name': next_version
                }, {'$set': version})
            version_id = existing_version['_id']
        instance.data['version'] = version['name']

        # Write to disk
        #          _
        #         | |
        #        _| |_
        #    ____\   /
        #   |\    \ / \
        #   \ \    v   \
        #    \ \________.
        #     \|________|
        #
        root = api.registered_root()
        hierarchy = ""
        parents = io.find_one({
            "type": 'asset',
            "name": ASSET
        })['data']['parents']
        if parents and len(parents) > 0:
            # hierarchy = os.path.sep.join(hierarchy)
            hierarchy = os.path.join(*parents)

        anatomy = instance.context.data['anatomy']

        # Find the representations to transfer amongst the files
        # Each should be a single representation (as such, a single extension)
        representations = []
        destination_list = []
        template_name = 'publish'
        if 'transfers' not in instance.data:
            instance.data['transfers'] = []

        for idx, repre in enumerate(instance.data["representations"]):

            # Collection
            #   _______
            #  |______|\
            # |      |\|
            # |       ||
            # |       ||
            # |       ||
            # |_______|
            #
            # create template data for Anatomy
            template_data = {
                "root": root,
                "project": {
                    "name": PROJECT,
                    "code": project['data']['code']
                },
                "silo": asset.get('silo'),
                "task": TASK,
                "asset": ASSET,
                "family": instance.data['family'],
                "subset": subset["name"],
                "version": int(version["name"]),
                "hierarchy": hierarchy
            }

            files = repre['files']
            if repre.get('stagingDir'):
                stagingdir = repre['stagingDir']
            if repre.get('anatomy_template'):
                template_name = repre['anatomy_template']
            template = os.path.normpath(
                anatomy.templates[template_name]["path"])

            sequence_repre = isinstance(files, list)

            if sequence_repre:
                src_collections, remainder = clique.assemble(files)
                self.log.debug("src_tail_collections: {}".format(
                    str(src_collections)))
                src_collection = src_collections[0]

                # Assert that each member has identical suffix
                src_head = src_collection.format("{head}")
                src_tail = src_collection.format("{tail}")

                # fix dst_padding
                valid_files = [x for x in files if src_collection.match(x)]
                padd_len = len(valid_files[0].replace(src_head, "").replace(
                    src_tail, ""))
                src_padding_exp = "%0{}d".format(padd_len)

                test_dest_files = list()
                for i in [1, 2]:
                    template_data["representation"] = repre['ext']
                    template_data["frame"] = src_padding_exp % i
                    anatomy_filled = anatomy.format(template_data)

                    test_dest_files.append(
                        os.path.normpath(
                            anatomy_filled[template_name]["path"]))

                self.log.debug("test_dest_files: {}".format(
                    str(test_dest_files)))

                dst_collections, remainder = clique.assemble(test_dest_files)
                dst_collection = dst_collections[0]
                dst_head = dst_collection.format("{head}")
                dst_tail = dst_collection.format("{tail}")

                index_frame_start = None

                if repre.get("frameStart"):
                    frame_start_padding = len(str(repre.get("frameEnd")))
                    index_frame_start = int(repre.get("frameStart"))

                dst_padding_exp = src_padding_exp
                dst_start_frame = None
                for i in src_collection.indexes:
                    src_padding = src_padding_exp % i

                    # for adding first frame into db
                    if not dst_start_frame:
                        dst_start_frame = src_padding

                    src_file_name = "{0}{1}{2}".format(src_head, src_padding,
                                                       src_tail)

                    dst_padding = src_padding_exp % i

                    if index_frame_start:
                        dst_padding_exp = "%0{}d".format(frame_start_padding)
                        dst_padding = dst_padding_exp % index_frame_start
                        index_frame_start += 1

                    dst = "{0}{1}{2}".format(dst_head, dst_padding,
                                             dst_tail).replace("..", ".")

                    self.log.debug("destination: `{}`".format(dst))
                    src = os.path.join(stagingdir, src_file_name)

                    self.log.debug("source: {}".format(src))
                    instance.data["transfers"].append([src, dst])

                dst = "{0}{1}{2}".format(dst_head, dst_start_frame,
                                         dst_tail).replace("..", ".")
                repre['published_path'] = dst

            else:
                # Single file
                #  _______
                # |      |\
                # |       |
                # |       |
                # |       |
                # |_______|
                #
                template_data.pop("frame", None)
                fname = files
                assert not os.path.isabs(fname), (
                    "Given file name is a full path")

                template_data["representation"] = repre['ext']

                if repre.get("outputName"):
                    template_data["output"] = repre['outputName']

                src = os.path.join(stagingdir, fname)
                anatomy_filled = anatomy.format(template_data)
                dst = os.path.normpath(
                    anatomy_filled[template_name]["path"]).replace("..", ".")

                instance.data["transfers"].append([src, dst])

                repre['published_path'] = dst
                self.log.debug("__ dst: {}".format(dst))

            representation = {
                "schema": "pype:representation-2.0",
                "type": "representation",
                "parent": version_id,
                "name": repre['name'],
                "data": {
                    'path': dst,
                    'template': template
                },
                "dependencies": instance.data.get("dependencies", "").split(),

                # Imprint shortcut to context
                # for performance reasons.
                "context": {
                    "root": root,
                    "project": {
                        "name": PROJECT,
                        "code": project['data']['code']
                    },
                    'task': TASK,
                    "silo": asset.get('silo'),
                    "asset": ASSET,
                    "family": instance.data['family'],
                    "subset": subset["name"],
                    "version": version["name"],
                    "hierarchy": hierarchy,
                    "representation": repre['ext']
                }
            }

            if sequence_repre and repre.get("frameStart"):
                representation['context']['frame'] = repre.get("frameStart")

            self.log.debug("__ representation: {}".format(representation))
            destination_list.append(dst)
            self.log.debug("__ destination_list: {}".format(destination_list))
            instance.data['destination_list'] = destination_list
            representations.append(representation)
            self.log.debug("__ representations: {}".format(representations))

        self.log.debug("__ representations: {}".format(representations))
        for rep in instance.data["representations"]:
            self.log.debug("__ represNAME: {}".format(rep['name']))
            self.log.debug("__ represPATH: {}".format(rep['published_path']))
        io.insert_many(representations)
        # self.log.debug("Representation: {}".format(representations))
        self.log.info("Registered {} items".format(len(representations)))