Three new nodes for IfcSverchok. By ID, By Guid, and By Type

src/ifcsverchok/__init__.py

@@ -26,6 +26,9 @@ def nodes_index():
         ("ifc.read_file", "SvIfcReadFile"),
         ("ifc.write_file", "SvIfcWriteFile"),
         ("ifc.create_entity", "SvIfcCreateEntity"),
+        ("ifc.by_id", "SvIfcById"),
+        ("ifc.by_guid", "SvIfcByGuid"),
+        ("ifc.by_type", "SvIfcByType"),
     ])]
 
 def make_node_list():

src/ifcsverchok/nodes/ifc/by_guid.py

@@ -0,0 +1,31 @@
+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 SvIfcByGuid(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
+    bl_idname = 'SvIfcByGuid'
+    bl_label = 'IFC By Guid'
+    file: StringProperty(name='file', update=updateNode)
+    guid: StringProperty(name='guid', update=updateNode)
+
+    def sv_init(self, context):
+        self.inputs.new('SvStringsSocket', 'file').prop_name = 'file'
+        self.inputs.new('SvStringsSocket', 'guid').prop_name = 'guid'
+        self.outputs.new('SvStringsSocket', 'entity')
+
+    def process(self):
+        self.sv_input_names = ['file', 'guid']
+        super().process()
+
+    def process_ifc(self, file, guid):
+        self.outputs['entity'].sv_set([[file.by_guid(guid)]])
+
+def register():
+    bpy.utils.register_class(SvIfcByGuid)
+
+def unregister():
+    bpy.utils.unregister_class(SvIfcByGuid)

src/ifcsverchok/nodes/ifc/by_id.py

@@ -0,0 +1,31 @@
+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 SvIfcById(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
+    bl_idname = 'SvIfcById'
+    bl_label = 'IFC By Id'
+    file: StringProperty(name='file', update=updateNode)
+    id: StringProperty(name='id', update=updateNode)
+
+    def sv_init(self, context):
+        self.inputs.new('SvStringsSocket', 'file').prop_name = 'file'
+        self.inputs.new('SvStringsSocket', 'id').prop_name = 'id'
+        self.outputs.new('SvStringsSocket', 'entity')
+
+    def process(self):
+        self.sv_input_names = ['file', 'id']
+        super().process()
+
+    def process_ifc(self, file, id):
+        self.outputs['entity'].sv_set([[file.by_id(int(id))]])
+
+def register():
+    bpy.utils.register_class(SvIfcById)
+
+def unregister():
+    bpy.utils.unregister_class(SvIfcById)

src/ifcsverchok/nodes/ifc/by_type.py

@@ -0,0 +1,31 @@
+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 SvIfcByType(bpy.types.Node, SverchCustomTreeNode, ifcsverchok.helper.SvIfcCore):
+    bl_idname = 'SvIfcByType'
+    bl_label = 'IFC By Type'
+    file: StringProperty(name='file', update=updateNode)
+    type: StringProperty(name='type', update=updateNode)
+
+    def sv_init(self, context):
+        self.inputs.new('SvStringsSocket', 'file').prop_name = 'file'
+        self.inputs.new('SvStringsSocket', 'type').prop_name = 'type'
+        self.outputs.new('SvStringsSocket', 'entity')
+
+    def process(self):
+        self.sv_input_names = ['file', 'type']
+        super().process()
+
+    def process_ifc(self, file, type):
+        self.outputs['entity'].sv_set([file.by_type(type)])
+
+def register():
+    bpy.utils.register_class(SvIfcByType)
+
+def unregister():
+    bpy.utils.unregister_class(SvIfcByType)