Important rework of handling multiple/nested items in bmesh_to_ifc, create_entity and sverchok_to_ifc nodes. Formatting and other minor fixes.

src/ifcsverchok/nodes/ifc/by_id.py

@@ -1,6 +1,5 @@
-
 # IfcSverchok - IFC Sverchok extension
-# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
+# Copyright (C) 2022 Martina Jakubowska <martina@jakubowska.dk>
 #
 # This file is part of IfcSverchok.
 #
@@ -17,8 +16,8 @@
 # You should have received a copy of the GNU General Public License
 # along with IfcSverchok.  If not, see <http://www.gnu.org/licenses/>.
 
+
 import bpy
-import ifcopenshell
 import ifcsverchok.helper
 from ifcsverchok.ifcstore import SvIfcStore
 from bpy.props import StringProperty
@@ -29,24 +28,29 @@ from sverchok.data_structure import updateNode, flatten_data
 class SvIfcById(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
     bl_idname = "SvIfcById"
     bl_label = "IFC By Id"
-    id: StringProperty(name="Id(s)", update=updateNode, )
+    id: StringProperty(
+        name="Id(s)",
+        update=updateNode,
+    )
 
     def sv_init(self, context):
         self.inputs.new("SvStringsSocket", "id").prop_name = "id"
         self.outputs.new("SvStringsSocket", "Entities")
 
     def draw_buttons(self, context, layout):
-        layout.operator("node.sv_ifc_tooltip", text="", icon="QUESTION", emboss=False).tooltip = "Get IFC element by step id. Takes one or multiple step ids."
+        layout.operator(
+            "node.sv_ifc_tooltip", text="", icon="QUESTION", emboss=False
+        ).tooltip = "Get IFC element by step id. Takes one or multiple step ids."
 
     def process(self):
         self.ids = flatten_data(self.inputs["id"].sv_get(), target_level=1)
-        print(self.ids)
         if not self.ids[0]:
             return
         self.file = SvIfcStore.get_file()
         self.entities = [self.file.by_id(int(step_id)) for step_id in self.ids]
         self.outputs["Entities"].sv_set(self.entities)
 
+
 def register():
     bpy.utils.register_class(SvIfcById)