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 +1,45 @@
+# Copyright (c) 2020-2021, Manfred Moitzi
+# License: MIT License
+from typing import Union
+
+ACAD_13 = "AC1012"
+ACAD_14 = "AC1014"
+ACAD_2000 = "AC1015"
+ACAD_2004 = "AC1018"
+ACAD_2007 = "AC1021"
+ACAD_2010 = "AC1024"
+ACAD_2013 = "AC1027"
+ACAD_2018 = "AC1032"
+ACAD_LATEST = ACAD_2018
+
+SUPPORTED_VERSIONS = [ACAD_13, ACAD_14, ACAD_2000]
+HEADER_ID = 0
+CLASSES_ID = 1
+OBJECTS_ID = 2
+SENTINEL_SIZE = 16
+
+Bytes = Union[bytes, bytearray, memoryview]
+
+
+class DwgError(Exception):
+    pass
+
+
+class DwgVersionError(DwgError):
+    pass
+
+
+class DwgCorruptedFileHeader(DwgError):
+    pass
+
+
+class DwgCorruptedClassesSection(DwgError):
+    pass
+
+
+class DwgCorruptedHeaderSection(DwgError):
+    pass
+
+
+class CRCError(DwgError):
+    pass