Purge all data classes from API.

src/ifcopenshell-python/ifcopenshell/api/layer/data.py

@@ -1,53 +0,0 @@
-# IfcOpenShell - IFC toolkit and geometry engine
-# Copyright (C) 2021 Dion Moult <dion@thinkmoult.com>
-#
-# This file is part of IfcOpenShell.
-#
-# IfcOpenShell is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# IfcOpenShell is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
-
-import ifcopenshell
-import ifcopenshell.util.date
-from datetime import datetime
-
-
-class Data:
-    is_loaded = False
-    items = {}
-    layers = {}
-
-    @classmethod
-    def purge(cls):
-        cls.is_loaded = False
-        cls.items = {}
-        cls.layers = {}
-
-    @classmethod
-    def load(cls, file):
-        cls._file = file
-        if not cls._file:
-            return
-        cls.load_layers()
-        cls.is_loaded = True
-
-    @classmethod
-    def load_layers(cls):
-        cls.layers = {}
-        cls.items = {}
-        for layer in cls._file.by_type("IfcPresentationLayerAssignment"):
-            data = layer.get_info()
-            if layer.AssignedItems:
-                for item in layer.AssignedItems:
-                    cls.items.setdefault(item.id(), []).append(layer.id())
-            del data["AssignedItems"]
-            cls.layers[layer.id()] = data