Use binary mode for all gzip files we open.

gvanrossum · gvanrossum · commit 052364b20b78 · 1999-04-07T19:00:58.000Z
diff --git a/Lib/test/test_gzip.py b/Lib/test/test_gzip.py
@@ -16,15 +16,15 @@
 /* See http://www.winimage.com/zLibDll for Windows */
 """
 
-f = gzip.GzipFile(filename, 'w') ; f.write(data1) ; f.close()
+f = gzip.GzipFile(filename, 'wb') ; f.write(data1) ; f.close()
 
-f = gzip.GzipFile(filename, 'r') ; d = f.read() ; f.close()
+f = gzip.GzipFile(filename, 'rb') ; d = f.read() ; f.close()
 assert d == data1
 
 # Append to the previous file
-f = gzip.GzipFile(filename, 'a') ; f.write(data2) ; f.close()
+f = gzip.GzipFile(filename, 'ab') ; f.write(data2) ; f.close()
 
-f = gzip.GzipFile(filename, 'r') ; d = f.read() ; f.close()
+f = gzip.GzipFile(filename, 'rb') ; d = f.read() ; f.close()
 assert d == data1+data2
 
 os.unlink( filename )
