refactor: excel parse

2026-04-16 10:01:11 +08:00
parent 680ecc320f
commit f62f95ec02
7941 changed files with 2899112 additions and 0 deletions
@@ -0,0 +1,48 @@
+#  Copyright (c) 2021-2023, Manfred Moitzi
+#  License: MIT License
+from __future__ import annotations
+from typing import Iterable, Iterator
+from ezdxf.entities import DXFGraphic, DXFEntity
+from ezdxf.lldxf import const
+from ezdxf.lldxf.tagwriter import AbstractTagWriter
+from ezdxf.protocols import SupportsVirtualEntities
+from ezdxf.entities.copy import default_copy, CopyNotSupported
+
+
+class DXFGraphicProxy(DXFGraphic):
+    """DO NOT USE THIS WRAPPER AS REAL DXF ENTITY OUTSIDE THE DRAWING ADD-ON!"""
+
+    def __init__(self, entity: DXFEntity):
+        super().__init__()
+        self.entity = entity
+        self.dxf = self._setup_dxf_namespace(entity)
+
+    def _setup_dxf_namespace(self, entity):
+        # copy DXF namespace - modifications do not effect the wrapped entity
+        dxf = entity.dxf.copy(self)
+        # setup mandatory DXF attributes without default values like layer:
+        for k, v in self.DEFAULT_ATTRIBS.items():
+            if not dxf.hasattr(k):
+                dxf.set(k, v)
+        return dxf
+
+    def dxftype(self) -> str:
+        return self.entity.dxftype()
+
+    def __virtual_entities__(self) -> Iterator[DXFGraphic]:
+        """Implements the SupportsVirtualEntities protocol."""
+        if isinstance(self.entity, SupportsVirtualEntities):
+            return self.entity.__virtual_entities__()
+        if hasattr(self.entity, "virtual_entities"):
+            return self.entity.virtual_entities()
+        return iter([])
+
+    def virtual_entities(self) -> Iterable[DXFGraphic]:
+        return self.__virtual_entities__()
+
+    def copy(self, copy_strategy=default_copy) -> DXFGraphicProxy:
+        raise CopyNotSupported(f"Copying of DXFGraphicProxy() not supported.")
+
+    def preprocess_export(self, tagwriter: AbstractTagWriter) -> bool:
+        # prevent dxf export
+        return False