From f576c0f594b016efd34e89d792257d56988ca7b7 Mon Sep 17 00:00:00 2001
From: Michał Górny <mgorny@gentoo.org>
Date: Sat, 5 Sep 2020 12:50:47 +0200
Subject: compression: Fix compatibility with py<3.8 exceptions
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
---
 gemato/compression.py | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/gemato/compression.py b/gemato/compression.py
index 489d032..e3d86fe 100644
--- a/gemato/compression.py
+++ b/gemato/compression.py
@@ -8,15 +8,21 @@ import gzip
 import io
 import lzma
 import os.path
+import sys
 
 from gemato.exceptions import UnsupportedCompression
 
 
-# NB: bz2 is not covered here since it uses generic OSError
-InvalidCompressedFileExceptions = (
-    gzip.BadGzipFile,
-    lzma.LZMAError,
-)
+# NB: bz2 (and gzip in py<3.8) uses generic OSError
+if sys.hexversion >= 0x03080000:
+    InvalidCompressedFileExceptions = (
+        gzip.BadGzipFile,
+        lzma.LZMAError,
+    )
+else:
+    InvalidCompressedFileExceptions = (
+        lzma.LZMAError,
+    )
 
 
 def open_compressed_file(suffix, f, mode='rb'):
-- 
cgit v1.2.3