Package IFCCSV with BlenderBIM, with UI to import export CSV IFC data

src/ifcblenderexport/Makefile

@@ -157,7 +157,14 @@ endif
 	cp -r dist/working/*.xsd dist/blenderbim/libs/site/packages/bcfplugin/schemas/
 	rm -rf dist/working
 
+	mkdir dist/working
+	cd dist/working && wget https://files.pythonhosted.org/packages/18/4d/8d522136c37d9e1ea74062b41b8d5e1318ebf45063ae46ce72ed60af223b/lark-parser-0.8.5.tar.gz
+	cd dist/working && tar -xzvf lark-parser*
+	cp -r dist/working/lark-parser-0.8.5/lark dist/blenderbim/libs/site/packages/
+	rm -rf dist/working
+
 	cd dist/blenderbim/libs/site/packages/ && wget https://raw.githubusercontent.com/IfcOpenShell/IfcOpenShell/v0.6.0/src/ifcdiff/ifcdiff.py
+	cd dist/blenderbim/libs/site/packages/ && wget https://raw.githubusercontent.com/IfcOpenShell/IfcOpenShell/v0.6.0/src/ifccsv/ifccsv.py
 
 	cd dist/blenderbim && sed -i "s/999999/$(VERSION)/" __init__.py
 	cd dist && zip -r blender28-bim-$(VERSION)-$(PLATFORM).zip ./*

src/ifcblenderexport/blenderbim/bim/__init__.py

@@ -103,6 +103,10 @@ if bpy is not None:
         operator.RemovePropertyTemplate,
         operator.AddSectionPlane,
         operator.RemoveSectionPlane,
+        operator.AddCsvAttribute,
+        operator.RemoveCsvAttribute,
+        operator.ExportIfcCsv,
+        operator.ImportIfcCsv,
         prop.StrProperty,
         prop.Classification,
         prop.ClassificationReference,
@@ -138,6 +142,7 @@ if bpy is not None:
         ui.BIM_PT_psets,
         ui.BIM_PT_classifications,
         ui.BIM_PT_search,
+        ui.BIM_PT_ifccsv,
         ui.BIM_PT_bcf,
         ui.BIM_PT_owner,
         ui.BIM_PT_context,

src/ifcblenderexport/blenderbim/bim/operator.py

@@ -2010,3 +2010,68 @@ class RemoveSectionPlane(bpy.types.Operator):
         bpy.data.node_groups.remove(bpy.data.node_groups.get('Section Override'))
         bpy.data.node_groups.remove(bpy.data.node_groups.get('Section Compare'))
         bpy.ops.object.delete({"selected_objects": [bpy.context.active_object]})
+
+
+class AddCsvAttribute(bpy.types.Operator):
+    bl_idname = 'bim.add_csv_attribute'
+    bl_label = 'Add CSV Attribute'
+
+    def execute(self, context):
+        attribute = bpy.context.scene.BIMProperties.csv_attributes.add()
+        return {'FINISHED'}
+
+
+class RemoveCsvAttribute(bpy.types.Operator):
+    bl_idname = 'bim.remove_csv_attribute'
+    bl_label = 'Remove CSV Attribute'
+    index: bpy.props.IntProperty()
+
+    def execute(self, context):
+        bpy.context.scene.BIMProperties.csv_attributes.remove(self.index)
+        return {'FINISHED'}
+
+
+class ExportIfcCsv(bpy.types.Operator):
+    bl_idname = 'bim.export_ifccsv'
+    bl_label = 'Export IFC to CSV'
+    filename_ext = '.csv'
+    filepath: bpy.props.StringProperty(subtype='FILE_PATH')
+
+    def invoke(self, context, event):
+        self.filepath = bpy.path.ensure_ext(bpy.data.filepath, '.csv')
+        WindowManager = context.window_manager
+        WindowManager.fileselect_add(self)
+        return {'RUNNING_MODAL'}
+
+    def execute(self, context):
+        import ifccsv
+        self.filepath = bpy.path.ensure_ext(self.filepath, '.csv')
+        ifc_selector_parser = ifccsv.IfcSelectorParser()
+        ifc_selector_parser.ifc = bpy.context.scene.BIMProperties.ifc_file
+        ifc_selector_parser.query = bpy.context.scene.BIMProperties.ifc_selector
+        ifc_selector_parser.parse()
+        ifc_csv = ifccsv.IfcCsv()
+        ifc_csv.output = self.filepath
+        ifc_csv.attributes = [a.name for a in bpy.context.scene.BIMProperties.csv_attributes]
+        ifc_csv.export(ifc_selector_parser.results)
+        return {'FINISHED'}
+
+
+class ImportIfcCsv(bpy.types.Operator):
+    bl_idname = 'bim.import_ifccsv'
+    bl_label = 'Import CSV to IFC'
+    filename_ext = '.csv'
+    filepath: bpy.props.StringProperty(subtype='FILE_PATH')
+
+    def invoke(self, context, event):
+        self.filepath = bpy.path.ensure_ext(bpy.data.filepath, '.csv')
+        WindowManager = context.window_manager
+        WindowManager.fileselect_add(self)
+        return {'RUNNING_MODAL'}
+
+    def execute(self, context):
+        import ifccsv
+        ifc_csv = ifccsv.IfcCsv()
+        ifc_csv.output = self.filepath
+        ifc_csv.Import(bpy.context.scene.BIMProperties.ifc_file)
+        return {'FINISHED'}

src/ifcblenderexport/blenderbim/bim/prop.py

@@ -850,6 +850,8 @@ class BIMProperties(PropertyGroup):
     active_property_set_template: PointerProperty(type=PropertySetTemplate)
     property_templates: CollectionProperty(name='Property Templates', type=PropertyTemplate)
     should_section_selected_objects: BoolProperty(name="Section Selected Objects", default=False)
+    ifc_selector: StringProperty(default='', name='IFC Selector')
+    csv_attributes: CollectionProperty(name='CSV Attributes', type=StrProperty)
 
 
 class BCFProperties(PropertyGroup):

src/ifcblenderexport/blenderbim/bim/ui.py

@@ -648,6 +648,36 @@ class BIM_PT_search(Panel):
         row.operator('bim.colour_by_pset', text='', icon='BRUSH_DATA')
 
 
+class BIM_PT_ifccsv(Panel):
+    bl_label = "IFC CSV"
+    bl_idname = "BIM_PT_ifccsv"
+    bl_options = {'DEFAULT_CLOSED'}
+    bl_space_type = 'PROPERTIES'
+    bl_region_type = 'WINDOW'
+    bl_context = "scene"
+
+    def draw(self, context):
+        layout = self.layout
+
+        scene = context.scene
+        props = scene.BIMProperties
+
+        row = layout.row()
+        row.prop(props, 'ifc_selector')
+
+        row = layout.row()
+        row.operator('bim.add_csv_attribute')
+
+        for index, attribute in enumerate(props.csv_attributes):
+            row = layout.row(align=True)
+            row.prop(attribute, 'name', text='')
+            row.operator('bim.remove_csv_attribute', icon='X', text='').index = index
+
+        row = layout.row(align=True)
+        row.operator('bim.export_ifccsv', icon='EXPORT')
+        row.operator('bim.import_ifccsv', icon='IMPORT')
+
+
 class BIM_PT_bcf(Panel):
     bl_label = "BIM Collaboration Format"
     bl_idname = "BIM_PT_bcf"