do not write "None" handles #1240

mozman · Feb 11, 2025 · 0457e09 · 0457e09
1 parent 70143c4
commit 0457e09
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diff --git a/notes/pages/CHANGELOG.md b/notes/pages/CHANGELOG.md
@@ -16,6 +16,7 @@
 		- {{issue 1231}}
 	- BUGFIX: fix font name resolution in `ezdxf.tools.text_size()` function
 		- {{issue 1236}}
+	- BUGFIX: do not write `None` handles
 - ## Version 1.3.5 - 2024-12-15
 	- ((65ed4f6c-edc8-4390-880c-c604a3fa5ec0))
 	- NEW: `ezdxf.blkrefs.find_unreferenced_blocks()` function returns the names of unused block definitions

diff --git a/src/ezdxf/entities/dxfentity.py b/src/ezdxf/entities/dxfentity.py
@@ -674,7 +674,7 @@ def export_base_class(self, tagwriter: AbstractTagWriter) -> None:
                 self.extension_dict.export_dxf(tagwriter)  # type: ignore
             if self.reactors:
                 self.reactors.export_dxf(tagwriter)
-            tagwriter.write_tag2(const.OWNER_CODE, self.dxf.owner)
+            tagwriter.write_tag2(const.OWNER_CODE, self.dxf.get("owner", "0"))
         else:  # DXF R12
             if tagwriter.write_handles:
                 tagwriter.write_tag2(_handle_code, self.dxf.handle)