# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1644404427 -3600
# Node ID c9f9401abc0c478b15f80856eec94ce75938c7ec
# Parent  21d2589c96b9c1de12f15a360eb7f88c861ceae8
Use getattr when trying to get mmap.madvise()

diff -r 21d2589c96b9 -r c9f9401abc0c shasum.py
--- a/shasum.py	Tue Feb 08 21:45:14 2022 +0100
+++ b/shasum.py	Wed Feb 09 12:00:27 2022 +0100
@@ -481,10 +481,7 @@
             # NOTE: On Windows mmapped files with length 0 are not supported.
             #       So ensure to not call mmap.mmap() if the file size is 0.
             #
-            try:
-                madvise = mmap.mmap.madvise
-            except AttributeError:
-                madvise = None
+            madvise = getattr(mmap.mmap, "madvise", None)
             if filesize < MAP_CHUNK_SIZE:
                 mapsize = filesize
             else: