From 9a985f034bf2d819608ce7e0c52af059f65b82d4 Mon Sep 17 00:00:00 2001
From: Lubomír Sedlář <lsedlar@redhat.com>
Date: Jun 23 2016 07:05:00 +0000
Subject: Don't print download/upload progress outside of TTY


When the output is redirected to a file, it does not make sense to print
the nice progress output.

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>

---

diff --git a/src/pyrpkg/lookaside.py b/src/pyrpkg/lookaside.py
index b48dbdd..f46da65 100644
--- a/src/pyrpkg/lookaside.py
+++ b/src/pyrpkg/lookaside.py
@@ -55,6 +55,11 @@ class CGILookasideCache(object):
         self.download_path = '%(name)s/%(filename)s/%(hash)s/%(filename)s'
 
     def print_progress(self, to_download, downloaded, to_upload, uploaded):
+        if not sys.stdout.isatty():
+            # Don't print progress if not outputting into TTY. The progress
+            # output is not useful in logs.
+            return
+
         if to_download > 0:
             done = downloaded / to_download