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 +1,82 @@
+#  Copyright (c) 2022-2024, Manfred Moitzi
+#  License: MIT License
+from __future__ import annotations
+from typing import cast, Sequence
+from ezdxf.entities import DXFEntity, Body as DXFBody
+from ezdxf.lldxf import const
+from .entities import Body, export_sat, export_sab, load
+
+
+def export_dxf(entity: DXFEntity, bodies: Sequence[Body]):
+    """Store the :term:`ACIS` bodies in the given DXF entity. This is the
+    recommended way to set ACIS data of DXF entities.
+
+    The DXF entity has to be an ACIS based entity and inherit from
+    :class:`ezdxf.entities.Body`. The entity has to be bound to a valid DXF
+    document and the DXF version of the document has to be DXF R2000 or newer.
+
+    Raises:
+        DXFTypeError: invalid DXF entity type
+        DXFValueError: invalid DXF document
+        DXFVersionError: invalid DXF version
+
+    """
+    if not isinstance(entity, DXFBody):
+        raise const.DXFTypeError(f"invalid DXF entity {entity.dxftype()}")
+    body = cast(DXFBody, entity)
+    doc = entity.doc
+    if doc is None:
+        raise const.DXFValueError("a valid DXF document is required")
+    dxfversion = doc.dxfversion
+    if dxfversion < const.DXF2000:
+        raise const.DXFVersionError(f"invalid DXF version {dxfversion}")
+
+    if dxfversion < const.DXF2013:
+        body.sat = export_sat(bodies)
+    else:
+        body.sab = export_sab(bodies)
+
+
+def load_dxf(entity: DXFEntity) -> list[Body]:
+    """Load the :term:`ACIS` bodies from the given DXF entity. This is the
+    recommended way to load ACIS data.
+
+    The DXF entity has to be an ACIS based entity and inherit from
+    :class:`ezdxf.entities.Body`. The entity has to be bound to a valid DXF
+    document and the DXF version of the document has to be DXF R2000 or newer.
+
+    Raises:
+        DXFTypeError: invalid DXF entity type
+        DXFValueError: invalid DXF document
+        DXFVersionError: invalid DXF version
+
+    .. warning::
+
+        Only a limited count of :term:`ACIS` entities is supported, all
+        unsupported entities are loaded as ``NONE_ENTITY`` and their data is
+        lost. Exporting such ``NONE_ENTITIES`` will raise an :class:`ExportError`
+        exception.
+
+        To emphasize that again: **It is not possible to load and re-export
+        arbitrary ACIS data!**
+
+    """
+
+    if not isinstance(entity, DXFBody):
+        raise const.DXFTypeError(f"invalid DXF entity {entity.dxftype()}")
+    body = cast(DXFBody, entity)
+    doc = entity.doc
+    if doc is None:
+        raise const.DXFValueError("a valid DXF document is required")
+    dxfversion = doc.dxfversion
+    if dxfversion < const.DXF2000:
+        raise const.DXFVersionError(f"invalid DXF version {dxfversion}")
+    if body.has_binary_data:
+        binary_data = body.sab
+        if binary_data:
+            return load(binary_data)
+    else:
+        text = body.sat
+        if text:
+            return load(text)
+    return []