Experimental create entity node created

src/ifcsverchok/nodes/ifc/create_file.py

@@ -0,0 +1,50 @@
+import bpy
+import ifcopenshell
+import ifcsverchok.helper
+from bpy.props import StringProperty
+from sverchok.node_tree import SverchCustomTreeNode
+from sverchok.data_structure import updateNode
+
+
+class SvIfcCreateFileRefresh(bpy.types.Operator):
+    bl_idname = "node.sv_ifc_create_file_refresh"
+    bl_label = "LB Out"
+
+    idtree: StringProperty(default='')
+    idname: StringProperty(default='')
+    has_baked: bpy.props.BoolProperty(name='Has Baked', default=False)
+
+    def execute(self, context):
+        node = bpy.data.node_groups[self.idtree].nodes[self.idname]
+        node.process()
+        return {'FINISHED'}
+
+
+class SvIfcCreateFile(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
+    bl_idname = 'SvIfcCreateFile'
+    bl_label = 'IFC Create File'
+    schema: StringProperty(name='schema', update=updateNode, default='IFC4')
+
+    def sv_init(self, context):
+        self.inputs.new('SvStringsSocket', 'schema').prop_name = 'schema'
+        self.outputs.new('SvVerticesSocket', 'file')
+
+    def draw_buttons(self, context, layout):
+        self.wrapper_tracked_ui_draw_op(layout, 'node.sv_ifc_create_file_refresh', icon='FILE_REFRESH', text='Refresh')
+
+    def process(self):
+        self.sv_input_names = ['schema']
+        super().process()
+
+    def process_ifc(self, schema):
+        guid = ifcopenshell.guid.new()
+        ifcsverchok.helper.ifc_files[guid] = ifcopenshell.file(schema=schema)
+        self.outputs['file'].sv_set([[ifcsverchok.helper.ifc_files[guid]]])
+
+def register():
+    bpy.utils.register_class(SvIfcCreateFile)
+    bpy.utils.register_class(SvIfcCreateFileRefresh)
+
+def unregister():
+    bpy.utils.unregister_class(SvIfcCreateFile)
+    bpy.utils.unregister_class(SvIfcCreateFileRefresh)