Make dataclasses args optional to support Python 3.9 #6725

src/bcf/bcf/v2/model/extensions.py

@@ -14,11 +14,15 @@
 # Currently extensions support for v2 is only read-only.
 
 
+import sys
 from dataclasses import dataclass, field, fields
 from typing import List, NamedTuple, Optional
 
 
-@dataclass(slots=True, kw_only=True)
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
+
+
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsPriorities:
     class Meta:
         global_type = False
@@ -35,7 +39,7 @@ class ExtensionsPriorities:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsSnippetTypes:
     class Meta:
         global_type = False
@@ -52,7 +56,7 @@ class ExtensionsSnippetTypes:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsStages:
     class Meta:
         global_type = False
@@ -69,7 +73,7 @@ class ExtensionsStages:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsTopicLabels:
     class Meta:
         global_type = False
@@ -86,7 +90,7 @@ class ExtensionsTopicLabels:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsTopicStatuses:
     class Meta:
         global_type = False
@@ -103,7 +107,7 @@ class ExtensionsTopicStatuses:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsTopicTypes:
     class Meta:
         global_type = False
@@ -120,7 +124,7 @@ class ExtensionsTopicTypes:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsUsers:
     class Meta:
         global_type = False
@@ -137,7 +141,7 @@ class ExtensionsUsers:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Extensions:
     topic_types: Optional[ExtensionsTopicTypes] = field(
         default=None,

src/bcf/bcf/v2/model/markup.py

@@ -1,10 +1,13 @@
+import sys
 from dataclasses import dataclass, field
 from typing import List, Optional
 
 from xsdata.models.datatype import XmlDateTime
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class BimSnippet:
     reference: str = field(
         metadata={
@@ -38,7 +41,7 @@ class BimSnippet:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class CommentViewpoint:
     class Meta:
         global_type = False
@@ -53,7 +56,7 @@ class CommentViewpoint:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class HeaderFile:
     class Meta:
         global_type = False
@@ -109,7 +112,7 @@ class HeaderFile:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicDocumentReference:
     class Meta:
         global_type = False
@@ -147,7 +150,7 @@ class TopicDocumentReference:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicRelatedTopic:
     class Meta:
         global_type = False
@@ -162,7 +165,7 @@ class TopicRelatedTopic:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ViewPoint:
     viewpoint: Optional[str] = field(
         default=None,
@@ -198,7 +201,7 @@ class ViewPoint:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Comment:
     date: XmlDateTime = field(
         metadata={
@@ -258,7 +261,7 @@ class Comment:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Header:
     file: List[HeaderFile] = field(
         default_factory=list,
@@ -271,7 +274,7 @@ class Header:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Topic:
     reference_link: List[str] = field(
         default_factory=list,
@@ -425,7 +428,7 @@ class Topic:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Markup:
     header: Optional[Header] = field(
         default=None,

src/bcf/bcf/v2/model/project.py

@@ -1,8 +1,11 @@
+import sys
 from dataclasses import dataclass, field
 from typing import Optional
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class Project:
     name: Optional[str] = field(
         default=None,
@@ -21,7 +24,7 @@ class Project:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ProjectExtension:
     project: Optional[Project] = field(
         default=None,

src/bcf/bcf/v2/model/version.py

@@ -1,8 +1,11 @@
+import sys
 from dataclasses import dataclass, field
 from typing import Optional
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class Version:
     detailed_version: Optional[str] = field(
         default=None,

src/bcf/bcf/v2/model/visinfo.py

@@ -1,14 +1,17 @@
+import sys
 from dataclasses import dataclass, field
 from enum import Enum
 from typing import List, Optional
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
+
 
 class BitmapFormat(Enum):
     PNG = "PNG"
     JPG = "JPG"
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Component:
     originating_system: Optional[str] = field(
         default=None,
@@ -35,7 +38,7 @@ class Component:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Direction:
     x: float = field(
         metadata={
@@ -60,7 +63,7 @@ class Direction:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Point:
     x: float = field(
         metadata={
@@ -85,7 +88,7 @@ class Point:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ViewSetupHints:
     spaces_visible: Optional[bool] = field(
         default=None,
@@ -110,7 +113,7 @@ class ViewSetupHints:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ClippingPlane:
     location: Point = field(
         metadata={
@@ -128,7 +131,7 @@ class ClippingPlane:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentColoringColor:
     class Meta:
         global_type = False
@@ -151,7 +154,7 @@ class ComponentColoringColor:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentSelection:
     component: List[Component] = field(
         default_factory=list,
@@ -163,7 +166,7 @@ class ComponentSelection:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentVisibilityExceptions:
     class Meta:
         global_type = False
@@ -178,7 +181,7 @@ class ComponentVisibilityExceptions:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Line:
     start_point: Point = field(
         metadata={
@@ -196,7 +199,7 @@ class Line:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class OrthogonalCamera:
     """
     Attributes
@@ -236,7 +239,7 @@ class OrthogonalCamera:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class PerspectiveCamera:
     """
     Attributes
@@ -281,7 +284,7 @@ class PerspectiveCamera:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfoBitmap:
     class Meta:
         global_type = False
@@ -330,7 +333,7 @@ class VisualizationInfoBitmap:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentColoring:
     color: List[ComponentColoringColor] = field(
         default_factory=list,
@@ -342,7 +345,7 @@ class ComponentColoring:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentVisibility:
     exceptions: Optional[ComponentVisibilityExceptions] = field(
         default=None,
@@ -360,7 +363,7 @@ class ComponentVisibility:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfoClippingPlanes:
     class Meta:
         global_type = False
@@ -374,7 +377,7 @@ class VisualizationInfoClippingPlanes:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfoLines:
     class Meta:
         global_type = False
@@ -389,7 +392,7 @@ class VisualizationInfoLines:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Components:
     view_setup_hints: Optional[ViewSetupHints] = field(
         default=None,
@@ -421,7 +424,7 @@ class Components:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfo:
     """
     VisualizationInfo documentation.

src/bcf/bcf/v3/model/documents.py

@@ -1,8 +1,11 @@
+import sys
 from dataclasses import dataclass, field
 from typing import List, Optional
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class Document:
     filename: str = field(
         metadata={
@@ -34,7 +37,7 @@ class Document:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class DocumentInfoDocuments:
     class Meta:
         global_type = False
@@ -49,7 +52,7 @@ class DocumentInfoDocuments:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class DocumentInfo:
     documents: Optional[DocumentInfoDocuments] = field(
         default=None,

src/bcf/bcf/v3/model/extensions.py

@@ -1,8 +1,11 @@
+import sys
 from dataclasses import dataclass, field
 from typing import List, Optional
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsPriorities:
     class Meta:
         global_type = False
@@ -19,7 +22,7 @@ class ExtensionsPriorities:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsSnippetTypes:
     class Meta:
         global_type = False
@@ -36,7 +39,7 @@ class ExtensionsSnippetTypes:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsStages:
     class Meta:
         global_type = False
@@ -53,7 +56,7 @@ class ExtensionsStages:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsTopicLabels:
     class Meta:
         global_type = False
@@ -70,7 +73,7 @@ class ExtensionsTopicLabels:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsTopicStatuses:
     class Meta:
         global_type = False
@@ -87,7 +90,7 @@ class ExtensionsTopicStatuses:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsTopicTypes:
     class Meta:
         global_type = False
@@ -104,7 +107,7 @@ class ExtensionsTopicTypes:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ExtensionsUsers:
     class Meta:
         global_type = False
@@ -121,7 +124,7 @@ class ExtensionsUsers:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Extensions:
     topic_types: Optional[ExtensionsTopicTypes] = field(
         default=None,

src/bcf/bcf/v3/model/markup.py

@@ -1,10 +1,13 @@
+import sys
 from dataclasses import dataclass, field
 from typing import List, Optional
 
 from xsdata.models.datatype import XmlDateTime
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class BimSnippet:
     reference: str = field(
         metadata={
@@ -44,7 +47,7 @@ class BimSnippet:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class CommentViewpoint:
     class Meta:
         global_type = False
@@ -59,7 +62,7 @@ class CommentViewpoint:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class DocumentReference:
     document_guid: Optional[str] = field(
         default=None,
@@ -100,7 +103,7 @@ class DocumentReference:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class File:
     filename: Optional[str] = field(
         default=None,
@@ -157,7 +160,7 @@ class File:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicLabels:
     class Meta:
         global_type = False
@@ -174,7 +177,7 @@ class TopicLabels:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicReferenceLinks:
     class Meta:
         global_type = False
@@ -191,7 +194,7 @@ class TopicReferenceLinks:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicRelatedTopicsRelatedTopic:
     class Meta:
         global_type = False
@@ -206,7 +209,7 @@ class TopicRelatedTopicsRelatedTopic:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ViewPoint:
     viewpoint: Optional[str] = field(
         default=None,
@@ -246,7 +249,7 @@ class ViewPoint:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Comment:
     date: XmlDateTime = field(
         metadata={
@@ -312,7 +315,7 @@ class Comment:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class HeaderFiles:
     class Meta:
         global_type = False
@@ -327,7 +330,7 @@ class HeaderFiles:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicDocumentReferences:
     class Meta:
         global_type = False
@@ -342,7 +345,7 @@ class TopicDocumentReferences:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicRelatedTopics:
     class Meta:
         global_type = False
@@ -357,7 +360,7 @@ class TopicRelatedTopics:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicViewpoints:
     class Meta:
         global_type = False
@@ -372,7 +375,7 @@ class TopicViewpoints:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Header:
     files: Optional[HeaderFiles] = field(
         default=None,
@@ -384,7 +387,7 @@ class Header:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class TopicComments:
     class Meta:
         global_type = False
@@ -399,7 +402,7 @@ class TopicComments:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Topic:
     reference_links: Optional[TopicReferenceLinks] = field(
         default=None,
@@ -596,7 +599,7 @@ class Topic:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Markup:
     header: Optional[Header] = field(
         default=None,

src/bcf/bcf/v3/model/project.py

@@ -1,8 +1,11 @@
+import sys
 from dataclasses import dataclass, field
 from typing import Optional
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class Project:
     name: Optional[str] = field(
         default=None,
@@ -25,7 +28,7 @@ class Project:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ProjectInfo:
     project: Project = field(
         metadata={

src/bcf/bcf/v3/model/version.py

@@ -1,7 +1,10 @@
+import sys
 from dataclasses import dataclass, field
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
 
-@dataclass(slots=True, kw_only=True)
+
+@dataclass(**DATACLASS_KWARGS)
 class Version:
     version_id: str = field(
         metadata={

src/bcf/bcf/v3/model/visinfo.py

@@ -1,14 +1,18 @@
+import sys
 from dataclasses import dataclass, field
 from enum import Enum
 from typing import List, Optional
 
 
+DATACLASS_KWARGS = {} if sys.version_info < (3, 10) else {"slots": True, "kw_only": True}
+
+
 class BitmapFormat(Enum):
     PNG = "png"
     JPG = "jpg"
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Component:
     originating_system: Optional[str] = field(
         default=None,
@@ -39,7 +43,7 @@ class Component:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Direction:
     x: float = field(
         metadata={
@@ -64,7 +68,7 @@ class Direction:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Point:
     x: float = field(
         metadata={
@@ -89,7 +93,7 @@ class Point:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ViewSetupHints:
     spaces_visible: bool = field(
         default=False,
@@ -114,7 +118,7 @@ class ViewSetupHints:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Bitmap:
     format: BitmapFormat = field(
         metadata={
@@ -162,7 +166,7 @@ class Bitmap:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ClippingPlane:
     location: Point = field(
         metadata={
@@ -180,7 +184,7 @@ class ClippingPlane:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentColoringColorComponents:
     class Meta:
         global_type = False
@@ -195,7 +199,7 @@ class ComponentColoringColorComponents:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentSelection:
     component: List[Component] = field(
         default_factory=list,
@@ -206,7 +210,7 @@ class ComponentSelection:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentVisibilityExceptions:
     class Meta:
         global_type = False
@@ -220,7 +224,7 @@ class ComponentVisibilityExceptions:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Line:
     start_point: Point = field(
         metadata={
@@ -238,7 +242,7 @@ class Line:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class OrthogonalCamera:
     """
     Attributes
@@ -288,7 +292,7 @@ class OrthogonalCamera:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class PerspectiveCamera:
     """
     Attributes
@@ -344,7 +348,7 @@ class PerspectiveCamera:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentColoringColor:
     class Meta:
         global_type = False
@@ -366,7 +370,7 @@ class ComponentColoringColor:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentVisibility:
     view_setup_hints: Optional[ViewSetupHints] = field(
         default=None,
@@ -391,7 +395,7 @@ class ComponentVisibility:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfoBitmaps:
     class Meta:
         global_type = False
@@ -405,7 +409,7 @@ class VisualizationInfoBitmaps:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfoClippingPlanes:
     class Meta:
         global_type = False
@@ -419,7 +423,7 @@ class VisualizationInfoClippingPlanes:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfoLines:
     class Meta:
         global_type = False
@@ -433,7 +437,7 @@ class VisualizationInfoLines:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class ComponentColoring:
     color: List[ComponentColoringColor] = field(
         default_factory=list,
@@ -444,7 +448,7 @@ class ComponentColoring:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class Components:
     selection: Optional[ComponentSelection] = field(
         default=None,
@@ -469,7 +473,7 @@ class Components:
     )
 
 
-@dataclass(slots=True, kw_only=True)
+@dataclass(**DATACLASS_KWARGS)
 class VisualizationInfo:
     """
     VisualizationInfo documentation.

src/ifcopenshell-python/ifcopenshell/api/geometry/add_door_representation.py

@@ -17,6 +17,7 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 from __future__ import annotations
+import sys
 import ifcopenshell.util.unit
 import ifcopenshell.api.geometry
 import dataclasses
@@ -26,6 +27,8 @@ from ifcopenshell.api.geometry.add_window_representation import create_ifc_windo
 from math import cos, radians
 from typing import Any, Optional, Literal, Union, get_args, overload
 
+DATACLASS_SLOTS = {} if sys.version_info < (3, 10) else {"slots": True}
+
 
 DOOR_TYPE = Literal[
     "SINGLE_SWING_LEFT",
@@ -96,7 +99,7 @@ def create_ifc_box(
 
 # we use dataclass as we need default values for arguments
 # it's okay to use slots since we don't need dynamic attributes
-@dataclasses.dataclass(slots=True)
+@dataclasses.dataclass(**DATACLASS_SLOTS)
 class DoorLiningProperties:
     LiningDepth: Optional[float] = None
     """Optional, defaults to 50mm."""
@@ -170,7 +173,7 @@ class DoorLiningProperties:
             setattr(self, attr, default_value * si_conversion)
 
 
-@dataclasses.dataclass(slots=True)
+@dataclasses.dataclass(**DATACLASS_SLOTS)
 class DoorPanelProperties:
     PanelDepth: Optional[float] = None
     """Frame thickness by Y axis. Optional, defaults to 35 mm."""

src/ifcopenshell-python/ifcopenshell/api/geometry/add_window_representation.py

@@ -17,6 +17,7 @@
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
 from __future__ import annotations
+import sys
 import numpy as np
 import dataclasses
 import ifcopenshell.api.geometry
@@ -25,6 +26,7 @@ from itertools import chain
 from ifcopenshell.util.shape_builder import ShapeBuilder, V
 from typing import Any, Optional, Literal, Union, overload
 
+DATACLASS_SLOTS = {} if sys.version_info < (3, 10) else {"slots": True}
 
 # SCHEMAS describe panels setup
 # where:
@@ -238,7 +240,7 @@ def create_ifc_window(
 
 # we use dataclass as we need default values for arguments
 # it's okay to use slots since we don't need dynamic attributes
-@dataclasses.dataclass(slots=True)
+@dataclasses.dataclass(**DATACLASS_SLOTS)
 class WindowLiningProperties:
     LiningDepth: Optional[float] = None
     """Optional, defaults to 50mm."""
@@ -321,7 +323,7 @@ class WindowLiningProperties:
             setattr(self, attr, default_value * si_conversion)
 
 
-@dataclasses.dataclass(slots=True)
+@dataclasses.dataclass(**DATACLASS_SLOTS)
 class WindowPanelProperties:
     FrameDepth: Optional[float] = None
     """Frame thickness by Y axis. Optional, defaults to 35 mm."""