typing

src/blenderbim/blenderbim/bim/module/csv/operator.py

@@ -23,6 +23,7 @@ import ifccsv
 import logging
 import tempfile
 import ifcopenshell
+import ifcopenshell.util.selector
 import blenderbim.tool as tool
 import blenderbim.bim.module.drawing.scheduler as scheduler
 from blenderbim.bim.ifc import IfcStore

src/blenderbim/blenderbim/bim/module/resource/data.py

@@ -19,6 +19,7 @@
 import bpy
 import blenderbim.tool as tool
 import ifcopenshell
+import ifcopenshell.util.resource
 
 
 def refresh():
@@ -139,7 +140,7 @@ class ResourceData:
         return results
 
     @classmethod
-    def active_resource_ids(cls):
+    def active_resource_ids(cls) -> list[int]:
         obj = bpy.context.active_object
         element = tool.Ifc.get_entity(obj)
         if not element:

src/blenderbim/blenderbim/core/resource.py

@@ -18,42 +18,57 @@
 
 # ############################################################################ #
 
+from __future__ import annotations
+from typing import TYPE_CHECKING, Optional, Union, Iterable
 
-def load_resources(resource):
+if TYPE_CHECKING:
+    import bpy
+    import ifcopenshell
+    import blenderbim.tool as tool
+
+
+def load_resources(resource: tool.Resource) -> None:
     resource.load_resources()
 
 
-def add_resource(tool_ifc, resource_tool, ifc_class, parent_resource=None):
+def add_resource(
+    tool_ifc: tool.Ifc,
+    resource_tool: tool.Resource,
+    ifc_class,
+    parent_resource: Optional[ifcopenshell.entity_instance] = None,
+) -> None:
     tool_ifc.run("resource.add_resource", ifc_class=ifc_class, parent_resource=parent_resource)
     resource_tool.load_resources()
 
 
-def disable_editing_resource(resource_tool):
+def disable_editing_resource(resource_tool: tool.Resource) -> None:
     resource_tool.disable_editing_resource()
 
 
-def disable_resource_editing_ui(resource_tool):
+def disable_resource_editing_ui(resource_tool: tool.Resource) -> None:
     resource_tool.disable_resource_editing_ui()
 
 
-def enable_editing_resource(resource_tool, resource):
+def enable_editing_resource(resource_tool: tool.Resource, resource) -> None:
     resource_tool.enable_editing_resource(resource)
     resource_tool.load_resource_attributes(resource)
 
 
-def edit_resource(ifc, resource_tool, resource):
+def edit_resource(ifc: tool.Ifc, resource_tool: tool.Resource, resource: ifcopenshell.entity_instance) -> None:
     attributes = resource_tool.get_resource_attributes()
     ifc.run("resource.edit_resource", resource=resource, attributes=attributes)
     resource_tool.load_resource_properties()
     resource_tool.disable_editing_resource()
 
 
-def remove_resource(ifc, resource_tool, resource=None):
+def remove_resource(ifc: tool.Ifc, resource_tool: tool.Resource, resource: ifcopenshell.entity_instance) -> None:
     ifc.run("resource.remove_resource", resource=resource)
     resource_tool.load_resources()
 
 
-def enable_editing_resource_time(ifc_tool, resource_tool, resource):
+def enable_editing_resource_time(
+    ifc_tool, resource_tool: tool.Resource, resource: ifcopenshell.entity_instance
+) -> None:
     resource_time = resource_tool.get_resource_time(resource)
     if resource_time is None:
         resource_time = ifc_tool.run("resource.add_resource_time", resource=resource)
@@ -61,17 +76,21 @@ def enable_editing_resource_time(ifc_tool, resource_tool, resource):
     resource_tool.load_resource_time_attributes(resource_time)
 
 
-def edit_resource_time(ifc, resource_tool, resource_time):
+def edit_resource_time(
+    ifc: tool.Ifc, resource_tool: tool.Resource, resource_time: ifcopenshell.entity_instance
+) -> None:
     attributes = resource_tool.get_resource_time_attributes()
     ifc.run("resource.edit_resource_time", resource_time=resource_time, attributes=attributes)
     resource_tool.disable_editing_resource()
 
 
-def disable_editing_resource_time(resource_tool):
+def disable_editing_resource_time(resource_tool: tool.Resource) -> None:
     resource_tool.disable_editing_resource()
 
 
-def calculate_resource_work(ifc, resource_tool, resource):
+def calculate_resource_work(
+    ifc: tool.Ifc, resource_tool: tool.Resource, resource: ifcopenshell.entity_instance
+) -> None:
     if resource_tool.get_task_assignments(resource):
         ifc.run("resource.calculate_resource_work", resource=resource)
     else:
@@ -81,92 +100,112 @@ def calculate_resource_work(ifc, resource_tool, resource):
     resource_tool.load_resources()
 
 
-def enable_editing_resource_costs(resource_tool, resource):
+def enable_editing_resource_costs(resource_tool: tool.Resource, resource: ifcopenshell.entity_instance) -> None:
     resource_tool.enable_editing_resource_costs(resource)
     resource_tool.disable_editing_resource_cost_value()
 
 
-def disable_editing_resource_cost_value(resource_tool):
+def disable_editing_resource_cost_value(resource_tool: tool.Resource) -> None:
     resource_tool.disable_editing_resource_cost_value()
 
 
-def enable_editing_resource_cost_value(resource_tool, cost_value):
+def enable_editing_resource_cost_value(resource_tool: tool.Resource, cost_value: ifcopenshell.entity_instance) -> None:
     resource_tool.enable_editing_cost_value_attributes(cost_value)
     resource_tool.load_cost_value_attributes(cost_value)
 
 
-def enable_editing_resource_cost_value_formula(resource_tool, cost_value):
+def enable_editing_resource_cost_value_formula(
+    resource_tool: tool.Resource, cost_value: ifcopenshell.entity_instance
+) -> None:
     resource_tool.enable_editing_resource_cost_value_formula(cost_value)
 
 
-def edit_resource_cost_value_formula(ifc, resource_tool, cost_value):
+def edit_resource_cost_value_formula(
+    ifc: tool.Ifc, resource_tool: tool.Resource, cost_value: ifcopenshell.entity_instance
+) -> None:
     formula = resource_tool.get_resource_cost_value_formula()
     ifc.run("cost.edit_cost_value_formula", cost_value=cost_value, formula=formula)
     resource_tool.disable_editing_resource_cost_value()
 
 
-def edit_resource_cost_value(ifc, resource_tool, cost_value):
+def edit_resource_cost_value(
+    ifc: tool.Ifc, resource_tool: tool.Resource, cost_value: ifcopenshell.entity_instance
+) -> None:
     attributes = resource_tool.get_resource_cost_value_attributes()
     ifc.run("cost.edit_cost_value", cost_value=cost_value, attributes=attributes)
     resource_tool.disable_editing_resource_cost_value()
 
 
-def enable_editing_resource_base_quantity(resource_tool, resource):
+def enable_editing_resource_base_quantity(resource_tool: tool.Resource, resource: ifcopenshell.entity_instance) -> None:
     resource_tool.enable_editing_resource_base_quantity(resource)
 
 
-def add_resource_quantity(ifc, ifc_class, resource):
+def add_resource_quantity(ifc: tool.Ifc, ifc_class: str, resource: ifcopenshell.entity_instance) -> None:
     ifc.run("resource.add_resource_quantity", resource=resource, ifc_class=ifc_class)
 
 
-def remove_resource_quantity(ifc, resource):
+def remove_resource_quantity(ifc: tool.Ifc, resource: ifcopenshell.entity_instance) -> None:
     ifc.run("resource.remove_resource_quantity", resource=resource)
 
 
-def enable_editing_resource_quantity(resource_tool, resource_quantity=None):
+def enable_editing_resource_quantity(
+    resource_tool: tool.Resource, resource_quantity: ifcopenshell.entity_instance
+) -> None:
     resource_tool.enable_editing_resource_quantity(resource_quantity)
 
 
-def disable_editing_resource_quantity(resource_tool):
+def disable_editing_resource_quantity(resource_tool: tool.Resource) -> None:
     resource_tool.disable_editing_resource_quantity()
 
 
-def edit_resource_quantity(resource_tool, ifc, physical_quantity=None):
+def edit_resource_quantity(
+    resource_tool: tool.Resource, ifc: tool.Ifc, physical_quantity: ifcopenshell.entity_instance
+) -> None:
     attributes = resource_tool.get_resource_quantity_attributes()
     ifc.run("resource.edit_resource_quantity", physical_quantity=physical_quantity, attributes=attributes)
     resource_tool.disable_editing_resource_quantity()
 
 
-def import_resources(resource_tool, file_path):
+def import_resources(resource_tool: tool.Resource, file_path: str) -> None:
     resource_tool.import_resources(file_path)
     resource_tool.load_resources()
 
 
-def expand_resource(resource_tool, resource):
+def expand_resource(resource_tool: tool.Resource, resource: ifcopenshell.entity_instance) -> None:
     resource_tool.expand_resource(resource)
     resource_tool.load_resources()
 
 
-def contract_resource(resource_tool, resource):
+def contract_resource(resource_tool: tool.Resource, resource: ifcopenshell.entity_instance) -> None:
     resource_tool.contract_resource(resource)
     resource_tool.load_resources()
 
 
-def assign_resource(ifc, spatial, resource=None, products=None):
+def assign_resource(
+    ifc: tool.Ifc,
+    spatial: tool.Spatial,
+    resource: ifcopenshell.entity_instance,
+    products: Optional[Iterable[ifcopenshell.entity_instance]] = None,
+) -> None:
     if not products:
         products = spatial.get_selected_products()
     for product in products:
         rel = ifc.run("resource.assign_resource", relating_resource=resource, related_object=product)
 
 
-def unassign_resource(ifc, spatial, resource=None, products=None):
+def unassign_resource(
+    ifc: tool.Ifc,
+    spatial: tool.Spatial,
+    resource: ifcopenshell.entity_instance,
+    products: Optional[Iterable[ifcopenshell.entity_instance]] = None,
+) -> None:
     if not products:
         products = spatial.get_selected_products()
     for product in products:
         ifc.run("resource.unassign_resource", relating_resource=resource, related_object=product)
 
 
-def edit_productivity_pset(ifc, resource_tool):
+def edit_productivity_pset(ifc: tool.Ifc, resource_tool: tool.Resource) -> None:
     resource = resource_tool.get_highlighted_resource()
     if resource is None:
         return
@@ -178,7 +217,9 @@ def edit_productivity_pset(ifc, resource_tool):
     ifc.run("pset.edit_pset", pset=pset, properties=resource_tool.get_productivity_attributes())
 
 
-def add_usage_constraint(ifc, resource_tool, resource=None, reference_path=None):
+def add_usage_constraint(
+    ifc: tool.Ifc, resource_tool: tool.Resource, resource: ifcopenshell.entity_instance, reference_path: str
+) -> None:
     metric = resource_tool.has_metric_constraint(resource, "Usage")
     if metric:
         return print("Must remove existing metric first")
@@ -198,7 +239,9 @@ def add_usage_constraint(ifc, resource_tool, resource=None, reference_path=None)
     ifc.run("constraint.assign_constraint", products=[resource], constraint=objective)
 
 
-def remove_usage_constraint(ifc, resource_tool, resource, reference_path):
+def remove_usage_constraint(
+    ifc: tool.Ifc, resource_tool: tool.Resource, resource: ifcopenshell.entity_instance, reference_path: str
+) -> None:
     constraints = resource_tool.get_constraints(resource)
     for constraint in constraints:
         metrics = resource_tool.get_metrics(constraint)
@@ -210,10 +253,12 @@ def remove_usage_constraint(ifc, resource_tool, resource, reference_path):
                 ifc.run("constraint.remove_constraint", constraint=constraint)
 
 
-def go_to_resource(resource_tool, resource):
+def go_to_resource(resource_tool: tool.Resource, resource: ifcopenshell.entity_instance) -> None:
     resource_tool.go_to_resource(resource)
 
 
-def calculate_resource_usage(ifc, resource_tool, resource):
+def calculate_resource_usage(
+    ifc: tool.Resource, resource_tool: tool.Resource, resource: ifcopenshell.entity_instance
+) -> None:
     ifc.run("resource.calculate_resource_usage", resource=resource)
     resource_tool.load_resources()

src/blenderbim/blenderbim/tool/cost.py

@@ -7,7 +7,7 @@ import ifcopenshell.util.cost
 import ifcopenshell.util.unit
 import blenderbim.bim.helper
 import json
-from typing import Optional, Any, Generator
+from typing import Optional, Any, Generator, Union
 
 
 class Cost(blenderbim.core.tool.Cost):
@@ -149,7 +149,7 @@ class Cost(blenderbim.core.tool.Cost):
         return blenderbim.bim.helper.export_attributes(props.cost_item_attributes)
 
     @classmethod
-    def get_active_cost_item(cls):
+    def get_active_cost_item(cls) -> Union[ifcopenshell.entity_instance, None]:
         props = bpy.context.scene.BIMCostProperties
         if not props.active_cost_item_id:
             return None

src/blenderbim/blenderbim/tool/resource.py

@@ -33,10 +33,12 @@ import ifcopenshell.util.cost
 import ifcopenshell.util.resource
 import blenderbim.bim.schema
 import ifcopenshell.util.constraint
+from typing import Any, Union
+
 
 class Resource(blenderbim.core.tool.Resource):
     @classmethod
-    def load_resources(cls):
+    def load_resources(cls) -> None:
         def create_new_resource_li(resource, level_index):
             new = bpy.context.scene.BIMResourceTreeProperties.resources.add()
             new.ifc_definition_id = resource.id()
@@ -66,42 +68,44 @@ class Resource(blenderbim.core.tool.Resource):
         props.is_editing = True
 
     @classmethod
-    def load_resource_properties(cls):
+    def load_resource_properties(cls) -> None:
         props = bpy.context.scene.BIMResourceProperties
         tprops = bpy.context.scene.BIMResourceTreeProperties
         props.is_resource_update_enabled = False
         for item in tprops.resources:
             resource = tool.Ifc.get().by_id(item.ifc_definition_id)
             item.name = resource.Name if resource.Name else "Unnamed"
-            item.schedule_usage = resource.Usage.ScheduleUsage if (resource.Usage and resource.Usage.ScheduleUsage) else 0
+            item.schedule_usage = (
+                resource.Usage.ScheduleUsage if (resource.Usage and resource.Usage.ScheduleUsage) else 0
+            )
         props.is_resource_update_enabled = True
 
     @classmethod
-    def disable_editing_resource(cls):
+    def disable_editing_resource(cls) -> None:
         bpy.context.scene.BIMResourceProperties.active_resource_id = 0
         bpy.context.scene.BIMResourceProperties.active_resource_time_id = 0
 
     @classmethod
-    def disable_resource_editing_ui(cls):
+    def disable_resource_editing_ui(cls) -> None:
         bpy.context.scene.BIMResourceProperties.is_editing = False
 
     @classmethod
-    def load_resource_attributes(cls, resource):
+    def load_resource_attributes(cls, resource: ifcopenshell.entity_instance) -> None:
         blenderbim.bim.helper.import_attributes2(resource, bpy.context.scene.BIMResourceProperties.resource_attributes)
 
     @classmethod
-    def enable_editing_resource(cls, resource):
+    def enable_editing_resource(cls, resource: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.active_resource_id = resource.id()
         props.resource_attributes.clear()
         props.editing_resource_type = "ATTRIBUTES"
 
     @classmethod
-    def get_resource_attributes(cls):
+    def get_resource_attributes(cls) -> dict[str, Any]:
         return blenderbim.bim.helper.export_attributes(bpy.context.scene.BIMResourceProperties.resource_attributes)
 
     @classmethod
-    def enable_editing_resource_time(cls, resource):
+    def enable_editing_resource_time(cls, resource: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.resource_time_attributes.clear()
         props.active_resource_time_id = resource.Usage.id()
@@ -109,11 +113,11 @@ class Resource(blenderbim.core.tool.Resource):
         props.editing_resource_type = "USAGE"
 
     @classmethod
-    def get_resource_time(cls, resource):
+    def get_resource_time(cls, resource: ifcopenshell.entity_instance) -> Union[ifcopenshell.entity_instance, None]:
-        return resource.Usage if resource.Usage else None
+        return resource.Usage or None
 
     @classmethod
-    def load_resource_time_attributes(cls, resource_time):
+    def load_resource_time_attributes(cls, resource_time: ifcopenshell.entity_instance) -> None:
         def callback(name, prop, data):
             if prop.data_type == "string":
                 if isinstance(data[name], datetime):
@@ -128,7 +132,7 @@ class Resource(blenderbim.core.tool.Resource):
         )
 
     @classmethod
-    def get_resource_time_attributes(cls):
+    def get_resource_time_attributes(cls) -> dict[str, Any]:
         def callback(attributes, prop):
             if "Start" in prop.name or "Finish" in prop.name or prop.name == "StatusTime":
                 if prop.is_null:
@@ -147,20 +151,19 @@ class Resource(blenderbim.core.tool.Resource):
         return blenderbim.bim.helper.export_attributes(props.resource_time_attributes, callback)
 
     @classmethod
-    def enable_editing_resource_costs(cls, resource):
+    def enable_editing_resource_costs(cls, resource: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.active_resource_id = resource.id()
         props.editing_resource_type = "COSTS"
-        resource
 
     @classmethod
-    def disable_editing_resource_cost_value(cls):
+    def disable_editing_resource_cost_value(cls) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.active_cost_value_id = 0
         props.cost_value_editing_type = ""
 
     @classmethod
-    def enable_editing_resource_cost_value_formula(cls, cost_value):
+    def enable_editing_resource_cost_value_formula(cls, cost_value: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.cost_value_attributes.clear()
         props.active_cost_value_id = cost_value.id()
@@ -168,7 +171,7 @@ class Resource(blenderbim.core.tool.Resource):
         props.cost_value_formula = ifcopenshell.util.cost.serialise_cost_value(cost_value) if cost_value else ""
 
     @classmethod
-    def load_cost_value_attributes(cls, cost_value):
+    def load_cost_value_attributes(cls, cost_value: ifcopenshell.entity_instance):
         def callback(name, prop, data):
             if name == "AppliedValue":
                 # TODO: for now, only support simple IfcValues (which are effectively IfcMonetaryMeasure)
@@ -221,7 +224,7 @@ class Resource(blenderbim.core.tool.Resource):
         blenderbim.bim.helper.import_attributes2(cost_value, props.cost_value_attributes, callback)
 
     @classmethod
-    def enable_editing_cost_value_attributes(cls, cost_value):
+    def enable_editing_cost_value_attributes(cls, cost_value: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.cost_value_attributes.clear()
         props.active_cost_value_id = cost_value.id()
@@ -232,7 +235,7 @@ class Resource(blenderbim.core.tool.Resource):
         return bpy.context.scene.BIMResourceProperties.cost_value_formula
 
     @classmethod
-    def get_resource_cost_value_attributes(cls):
+    def get_resource_cost_value_attributes(cls) -> dict[str, Any]:
         def callback(attributes, prop):
             if prop.name == "UnitBasisValue":
                 if prop.is_null:
@@ -257,28 +260,28 @@ class Resource(blenderbim.core.tool.Resource):
         )
 
     @classmethod
-    def enable_editing_resource_base_quantity(cls, resource):
+    def enable_editing_resource_base_quantity(cls, resource: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.active_resource_id = resource.id()
         props.editing_resource_type = "QUANTITY"
 
     @classmethod
-    def enable_editing_resource_quantity(cls, resource_quantity):
+    def enable_editing_resource_quantity(cls, resource_quantity: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         props.quantity_attributes.clear()
         props.is_editing_quantity = True
         blenderbim.bim.helper.import_attributes2(resource_quantity, props.quantity_attributes)
 
     @classmethod
-    def disable_editing_resource_quantity(cls):
+    def disable_editing_resource_quantity(cls) -> None:
         bpy.context.scene.BIMResourceProperties.is_editing_quantity = False
 
     @classmethod
-    def get_resource_quantity_attributes(cls):
+    def get_resource_quantity_attributes(cls) -> dict[str, Any]:
         return blenderbim.bim.helper.export_attributes(bpy.context.scene.BIMResourceProperties.quantity_attributes)
 
     @classmethod
-    def expand_resource(cls, resource):
+    def expand_resource(cls, resource: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         contracted_resources = json.loads(props.contracted_resources)
         if not resource.id() in contracted_resources:
@@ -287,14 +290,14 @@ class Resource(blenderbim.core.tool.Resource):
         props.contracted_resources = json.dumps(contracted_resources)
 
     @classmethod
-    def contract_resource(cls, resource):
+    def contract_resource(cls, resource: ifcopenshell.entity_instance) -> None:
         props = bpy.context.scene.BIMResourceProperties
         contracted_resources = json.loads(props.contracted_resources)
         contracted_resources.append(resource.id())
         props.contracted_resources = json.dumps(contracted_resources)
 
     @classmethod
-    def import_resources(cls, file_path):
+    def import_resources(cls, file_path: str) -> None:
         from ifc4d.csv2ifc import Csv2Ifc
 
         start = time.time()
@@ -305,7 +308,7 @@ class Resource(blenderbim.core.tool.Resource):
         print("Importing Resources CSV finished in {:.2f} seconds".format(time.time() - start))
 
     @classmethod
-    def get_highlighted_resource(cls):
+    def get_highlighted_resource(cls) -> Union[ifcopenshell.entity_instance, None]:
         resources = len(bpy.context.scene.BIMResourceTreeProperties.resources)
         if resources and resources > bpy.context.scene.BIMResourceProperties.active_resource_index:
             return tool.Ifc.get().by_id(
@@ -315,7 +318,7 @@ class Resource(blenderbim.core.tool.Resource):
             )
 
     @classmethod
-    def clear_productivity_data(cls, props):
+    def clear_productivity_data(cls, props: bpy.types.PropertyGroup) -> None:
         for duration_prop in props.quantity_consumed or []:
             if duration_prop.name == "BaseQuantityConsumed":
                 duration_prop.years = 0
@@ -328,7 +331,7 @@ class Resource(blenderbim.core.tool.Resource):
         props.quantity_produced_name = ""
 
     @classmethod
-    def load_productivity_data(cls):
+    def load_productivity_data(cls) -> None:
         duration_props = None
         for collection_prop in bpy.context.scene.BIMResourceProductivity.quantity_consumed:
             duration_props = collection_prop if collection_prop.name == "BaseQuantityConsumed" else None
@@ -358,7 +361,7 @@ class Resource(blenderbim.core.tool.Resource):
                     duration_props.seconds = durations_attributes["seconds"]
 
     @classmethod
-    def get_productivity_attributes(cls):
+    def get_productivity_attributes(cls) -> dict[str, Any]:
         props = bpy.context.scene.BIMResourceProductivity
         productivity = {}
         if props.quantity_consumed:
@@ -370,7 +373,9 @@ class Resource(blenderbim.core.tool.Resource):
         return productivity
 
     @classmethod
-    def get_productivity(cls, resource, should_inherit=False):
+    def get_productivity(
+        cls, resource: ifcopenshell.entity_instance, should_inherit: bool = False
+    ) -> ifcopenshell.util.resource.PRODUCTIVITY_PSET_DATA:
         return ifcopenshell.util.resource.get_productivity(resource, should_inherit=should_inherit)
 
     @classmethod
@@ -380,29 +385,29 @@ class Resource(blenderbim.core.tool.Resource):
             return
         return tool.Ifc.run(
             "pset.edit_pset",
-            pset= tool.Ifc.get().by_id(productivity["id"]),
+            pset=tool.Ifc.get().by_id(productivity["id"]),
             properties=attributes,
         )
 
     @classmethod
-    def get_constraints(cls, resource):
+    def get_constraints(cls, resource: ifcopenshell.entity_instance) -> list[ifcopenshell.entity_instance]:
         return ifcopenshell.util.constraint.get_constraints(product=resource)
 
     @classmethod
-    def get_metrics(cls, constraint):
+    def get_metrics(cls, constraint: ifcopenshell.entity_instance) -> list[ifcopenshell.entity_instance]:
         return ifcopenshell.util.constraint.get_metrics(constraint)
 
     @classmethod
-    def get_metric_reference(cls, metric, is_deep=True):
+    def get_metric_reference(cls, metric: ifcopenshell.entity_instance, is_deep: bool = True):
         return ifcopenshell.util.constraint.get_metric_reference(metric, is_deep=is_deep)
 
     @classmethod
-    def has_metric_constraint(cls, resource, attribute):
+    def has_metric_constraint(cls, resource: ifcopenshell.entity_instance, attribute):
         metrics = ifcopenshell.util.constraint.get_metric_constraints(resource, attribute)
         return True if metrics else False
 
     @classmethod
-    def run_edit_resource_time(cls, resource, attributes):
+    def run_edit_resource_time(cls, resource: ifcopenshell.entity_instance, attributes: dict[str, Any]) -> None:
         if not resource.Usage:
             tool.Ifc.run(
                 "resource.add_resource_time",
@@ -411,7 +416,7 @@ class Resource(blenderbim.core.tool.Resource):
         tool.Ifc.run("resource.edit_resource_time", resource_time=resource.Usage, attributes=attributes)
 
     @classmethod
-    def go_to_resource(cls, resource):
+    def go_to_resource(cls, resource: ifcopenshell.entity_instance) -> None:
         def get_ancestors_ids(resource):
             ids = []
             for rel in resource.Nests or []:
@@ -427,24 +432,22 @@ class Resource(blenderbim.core.tool.Resource):
         bpy.context.scene.BIMResourceProperties.contracted_resources = json.dumps(contracted_resources)
         cls.load_resources()
 
-
         resource_props = bpy.context.scene.BIMResourceTreeProperties
         expanded_resources = [item.ifc_definition_id for item in resource_props.resources]
         bpy.context.scene.BIMResourceProperties.active_resource_index = expanded_resources.index(resource.id())
 
-
     @classmethod
-    def run_calculate_resource_usage(cls, resource):
+    def run_calculate_resource_usage(cls, resource: ifcopenshell.entity_instance) -> None:
         tool.Ifc.run("resource.calculate_resource_usage", resource=resource)
 
     @classmethod
-    def get_task_assignments(cls, resource):
+    def get_task_assignments(cls, resource: ifcopenshell.entity_instance) -> Union[ifcopenshell.entity_instance, None]:
         return ifcopenshell.util.resource.get_task_assignments(resource)
 
     @classmethod
-    def get_nested_resources(cls, resource):
+    def get_nested_resources(cls, resource: ifcopenshell.entity_instance) -> list[ifcopenshell.entity_instance]:
         return ifcopenshell.util.resource.get_nested_resources(resource)
 
     @classmethod
-    def is_attribute_locked(cls, resource, attribute):
+    def is_attribute_locked(cls, resource: ifcopenshell.entity_instance, attribute) -> bool:
         return ifcopenshell.util.constraint.is_attribute_locked(resource, attribute)

src/ifccsv/ifccsv.py

@@ -29,7 +29,7 @@ import ifcopenshell.util.selector
 import ifcopenshell.util.element
 import ifcopenshell.util.schema
 from statistics import mean
-from typing import Optional, Union
+from typing import Optional, Union, Literal
 
 try:
     from odf.namespaces import OFFICENS
@@ -53,6 +53,14 @@ except:
     pass  # No Pandas support
 
 
+FILE_FORMAT = Literal[
+    "csv",
+    "ods",
+    "xlsx",
+    "pd",
+]
+
+
 class IfcCsv:
     def __init__(self):
         self.headers = []
@@ -66,7 +74,7 @@ class IfcCsv:
         attributes,
         headers=None,
         output=None,
-        format=None,
+        format: FILE_FORMAT = None,
         should_preserve_existing: bool = False,
         include_global_id: bool = True,
         delimiter: str = ",",
@@ -392,7 +400,11 @@ class IfcCsv:
         bool_true: str = "YES",
         bool_false: str = "NO",
     ) -> None:
-        ext = table.split(".")[-1].lower()
+        """
+        Args:
+            table: filepath to the table.
+        """
+        ext: FILE_FORMAT = table.split(".")[-1].lower()
 
         if ext == "csv":
             self.import_csv(ifc_file, table, attributes, delimiter, null, empty, bool_true, bool_false)

src/ifcopenshell-python/ifcopenshell/api/cost/edit_cost_value_formula.py

@@ -17,6 +17,7 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.util.cost
 import ifcopenshell.util.unit
 import ifcopenshell.util.element

src/ifcopenshell-python/ifcopenshell/util/resource.py

@@ -16,18 +16,24 @@
 # 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.util.cost
 import ifcopenshell.util.element
 import ifcopenshell.util.date
+from typing import Union, Any
 
 
-def get_productivity(resource, should_inherit=True):
+PRODUCTIVITY_PSET_DATA = Union[dict[str, Any], None]
+
+
+def get_productivity(resource: ifcopenshell.entity_instance, should_inherit: bool = True) -> PRODUCTIVITY_PSET_DATA:
     productivity = ifcopenshell.util.element.get_psets(resource).get("EPset_Productivity", None)
     if should_inherit and not productivity:
-        #Note: This is not part of the Schema - but it makes sense to inherit from parent
+        # Note: This is not part of the Schema - but it makes sense to inherit from parent
         productivity = get_parent_productivity(resource)
     return productivity
 
-def get_parent_productivity(resource):
+
+def get_parent_productivity(resource: ifcopenshell.entity_instance) -> PRODUCTIVITY_PSET_DATA:
     if not resource.Nests:
         return
     else:
@@ -36,34 +42,34 @@ def get_parent_productivity(resource):
         return productivity
 
 
-def get_unit_consumed(productivity):
+def get_unit_consumed(productivity: PRODUCTIVITY_PSET_DATA) -> Union[Any, None]:
     duration = productivity.get("BaseQuantityConsumed", None)
     if not duration:
         return
     return ifcopenshell.util.date.ifc2datetime(duration)
 
 
-def get_quantity_produced(productivity):
+def get_quantity_produced(productivity: PRODUCTIVITY_PSET_DATA) -> float:
     if not productivity:
-        return 0
+        return 0.0
-    return productivity.get("BaseQuantityProducedValue", 0)
+    return productivity.get("BaseQuantityProducedValue", 0.0)
 
 
-def get_quantity_produced_name(productivity):
+def get_quantity_produced_name(productivity: PRODUCTIVITY_PSET_DATA):
     if not productivity:
         return ""
     return productivity.get("BaseQuantityProducedName", "")
 
 
-def get_total_quantity_produced(resource, quantity_name_in_process):
+def get_total_quantity_produced(resource: ifcopenshell.entity_instance, quantity_name_in_process: str) -> float:
-    def get_product_quantity(product, quantity_name):
+    def get_product_quantity(product: ifcopenshell.entity_instance, quantity_name: str):
         psets = ifcopenshell.util.element.get_psets(product)
         for pset in psets.values():
             for name, value in pset.items():
                 if name == quantity_name:
                     return float(value)
 
-    total = 0
+    total = 0.0
     products = get_parametric_resource_products(resource)
     if quantity_name_in_process == "Count":
         total = len(products)
@@ -73,7 +79,7 @@ def get_total_quantity_produced(resource, quantity_name_in_process):
     return total
 
 
-def get_parametric_resource_products(resource):
+def get_parametric_resource_products(resource: ifcopenshell.entity_instance) -> list[ifcopenshell.entity_instance]:
     products = []
     for rel in resource.HasAssignments or []:
         if not rel.is_a("IfcRelAssignsToProcess"):
@@ -84,14 +90,15 @@ def get_parametric_resource_products(resource):
             products.append(rel2.RelatingProduct)
     return products
 
-def get_task_assignments(resource):
+
+def get_task_assignments(resource: ifcopenshell.entity_instance) -> Union[ifcopenshell.entity_instance, None]:
     for rel in resource.HasAssignments or []:
         if not rel.is_a("IfcRelAssignsToProcess"):
             continue
         return rel.RelatingProcess
 
 
-def get_resource_required_work(resource):
+def get_resource_required_work(resource: ifcopenshell.entity_instance) -> Union[str, None]:
     productivity = get_productivity(resource)
     if productivity:
         quantity_produced = get_quantity_produced(productivity)
@@ -114,33 +121,38 @@ def get_resource_required_work(resource):
         return iso_string
 
 
-def get_nested_resources(resource):
+def get_nested_resources(resource: ifcopenshell.entity_instance) -> list[ifcopenshell.entity_instance]:
     return [object for rel in resource.IsNestedBy or [] for object in rel.RelatedObjects]
 
 
-def get_cost(resource):
+def get_cost(resource: ifcopenshell.entity_instance) -> tuple[float, Union[str, None]]:
     base_costs = getattr(resource, "BaseCosts", [])
-    costs = [
+    costs = (
-        ifcopenshell.util.cost.calculate_applied_value(resource, cost_value)
+        [ifcopenshell.util.cost.calculate_applied_value(resource, cost_value) for cost_value in base_costs]
-        for cost_value in base_costs
+        if base_costs
-    ] if base_costs else []
+        else []
+    )
     cost = sum(costs)
-    unit_basis = next(
+    unit_basis = (
-        (cost_value.UnitBasis for cost_value in base_costs if cost_value.UnitBasis),
+        next((cost_value.UnitBasis for cost_value in base_costs if cost_value.UnitBasis), None) if base_costs else None
-        None
+    )
-    ) if base_costs else None
+    unit = (
-    unit = unit_basis.UnitComponent.Name if unit_basis and unit_basis.UnitComponent.is_a("IfcConversionBasedUnit") else None
+        unit_basis.UnitComponent.Name
+        if unit_basis and unit_basis.UnitComponent.is_a("IfcConversionBasedUnit")
+        else None
+    )
     return cost, unit
 
-def get_quantity(resource):
+
-    total = 0
+def get_quantity(resource: ifcopenshell.entity_instance) -> float:
     if resource.BaseQuantity:
         return resource.BaseQuantity[3]
     if resource.Usage and resource.Usage.ScheduleWork:
         duration = ifcopenshell.util.date.ifc2datetime(resource.Usage.ScheduleWork)
         return duration.total_seconds() / 3600
 
-def get_parent_cost(resource):
+
+def get_parent_cost(resource: ifcopenshell.entity_instance) -> Union[None, tuple[float, Union[str, None]]]:
     if not resource.Nests:
         return
     else: