Speed up SAS7BDAT parser

Author: jonashaag

.pre-commit-config.yaml

@@ -43,7 +43,7 @@ repos:
         # from Cython files nor do we want to lint C files that we didn't modify for
         # this particular codebase (e.g. src/headers, src/klib). However,
         # we can lint all header files since they aren't "generated" like C files are.
-        exclude: ^pandas/_libs/src/(klib|headers)/
+        exclude: ^pandas/((_libs/src/(klib|headers)/)|(io/sas/portable_endian.h$))
         args: [--quiet, '--extensions=c,h', '--headers=h', --recursive, '--filter=-readability/casting,-runtime/int,-build/include_subdir']
 -   repo: https://github.com/PyCQA/flake8
     rev: 4.0.1

asv_bench/benchmarks/io/excel.py

@@ -1,13 +1,19 @@
 from io import BytesIO
 
 import numpy as np
-from odf.opendocument import OpenDocumentSpreadsheet
-from odf.table import (
-    Table,
-    TableCell,
-    TableRow,
-)
-from odf.text import P
+
+try:
+    from odf.opendocument import OpenDocumentSpreadsheet
+    from odf.table import (
+        Table,
+        TableCell,
+        TableRow,
+    )
+    from odf.text import P
+
+    have_odf = True
+except ModuleNotFoundError:
+    have_odf = False
 
 from pandas import (
     DataFrame,