From: Philipp Gesang <philipp.gesang@intra2net.com>
Date: Tue, 15 Aug 2017 12:42:35 +0000 (+0200)
Subject: use symbolic constant for errno
X-Git-Tag: v2.2~7^2~65
X-Git-Url: http://developer.intra2net.com/git/?a=commitdiff_plain;h=b09a99eb7215a375f3109810995008c68df1ae37;p=python-delta-tar

use symbolic constant for errno
---

diff --git a/deltatar/crypto.py b/deltatar/crypto.py
index 16c50d1..25cf8d9 100755
--- a/deltatar/crypto.py
+++ b/deltatar/crypto.py
@@ -1377,11 +1377,11 @@ def depdtcrypt (mode, secret, ins, outs):
 
 
     def tell (s):
-        """ESPIPE is normal on stdio stream."""
+        """ESPIPE is normal on non-seekable stdio stream."""
         try:
             return s.tell ()
         except OSError as exn:
-            if exn.errno == 29:
+            if exn.errno == os.errno.ESPIPE:
                 return -1
 
     def out (pt, outfile):